Ringing in Chaos: How TeamPCP Weaponized the Telnyx Python SDK
TeamPCP conducted a supply chain attack by uploading malicious versions of the Telnyx Python SDK to PyPI, a package with approximately 750,000 monthly downloads. The attack uses a multi-stage approach involving a trojanized package that triggers a platform-specific loader, which then downloads a second-stage payload hidden via steganography in a WAV file. This payload deploys a credential harvester that steals, encrypts, and exfiltrates credentials to the attacker’s command and control server. The attack targets multiple major operating systems and can spread laterally through Kubernetes clusters. It is part of a broader campaign targeting multiple packages over nine days, employing advanced evasion and persistence techniques including steganography, hybrid encryption, and a full-featured RAT on Windows. No official patch or remediation guidance is provided in the available data.
AI Analysis
Technical Summary
The threat involves a supply chain compromise of the Telnyx Python SDK on PyPI by the adversary TeamPCP. The malicious package initiates a three-stage attack: first, a trojanized SDK triggers a platform-specific loader; second, a payload hidden in a WAV file via steganography is downloaded; third, a credential harvester is deployed that collects and encrypts credentials before exfiltration. The attack supports multiple operating systems and propagates through Kubernetes clusters. It features sophisticated techniques such as WAV and PNG steganography, hybrid encryption, Kubernetes lateral movement, and a Windows RAT with evasion capabilities. This campaign affected multiple packages over a nine-day period and is part of a broader supply chain attack strategy.
Potential Impact
The attack compromises a widely used Python SDK, potentially affecting a large number of users who download and use the package. It results in credential theft through a multi-stage payload delivery mechanism, enabling attackers to harvest sensitive credentials, encrypt them, and exfiltrate to their command and control infrastructure. The attack can propagate across Kubernetes clusters, increasing its potential impact in cloud-native environments. The presence of a full-featured RAT on Windows with advanced evasion techniques further increases the risk of persistent compromise and unauthorized access.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Users should verify the integrity of the Telnyx Python SDK package and avoid using versions from untrusted sources. It is recommended to monitor official Telnyx and PyPI advisories for updates or patches. Organizations should consider implementing supply chain security measures such as package signing verification and restricting installation of unverified packages. Given the complexity and sophistication of the attack, incident response should focus on identifying and removing the trojanized package and any deployed payloads.
Indicators of Compromise
- ip: 45.148.10.212
- hash: 05bacbe163ef0393c2416cbd05e45e74
- hash: 2e3a4412a7a487b32c5715167c755d08
- hash: 331ab9c032cf95c89d877ee05b46f8d8
- hash: 4467de8f6d521d6fc6a930fa8ede7017
- hash: 5870a0bf82bbdf2687d8dce89dfa668f
- hash: 7d231e938774127ba7487061ebc51e74
- hash: 97e073abd819d9cdc07705aeaa481f59
- hash: b1c6036b046bcf8c80601742ebcc61b0
- hash: d2210feb0438c0ce89b5579ef75ae4d4
- hash: d528effabbd9cd66aaa11bc8777bb110
- hash: 3fcc7360a2738ad2656e17c7d4ed3e651ff7d73a
- hash: 42f7861818214222efeadb2fc826dda1cdc90050
- hash: 4ce6ad55d8912aacc4ae4c572237131d0b7ba4b5
- hash: 512efdfc832b012677341d251670c7192c463b21
- hash: 78cd382040eda14e2f8a17ee7387cffdabe96ab5
- hash: 85e16077deeaffae3c50d45d99e9dae2c58de53e
- hash: e866b3fa9f87a084b610272580428761e28ad65a
- hash: eee517fe8da4eddf7ead1d01a32606e6beec1adc
- hash: 196b5e0e06424a02e360e28e08d7dcfab7ec8946af9477ca352c6cf6b7d4e9bd
- hash: 23b1ec58649170650110ecad96e5a9490d98146e105226a16d898fbe108139e5
- hash: 485952ba5347aa83f00537a4be0bebb274021f773a0203b65142f1b86dfda34d
- hash: 4eceb569b4330565b93058465beab0e6d5ea09cfba8e7f29d7be1b5a2abd958a
- hash: 5ce544a8db5d0b0953c966384858e4e8a017e7acba2f5f6d0ac8f529d59939d8
- hash: 6cf223aea68b0e8031ff68251e30b6017a0513fe152e235c26f248ba1e15c92a
- hash: 7290353a3bc2b18e9ea574d3294b09e28edaa6b038285bb101cf09760f187dcd
- hash: 7321caa303fe96ded0492c747d2f353c4f7d17185656fe292ab0a59e2bd0b8d9
- hash: 8395c3268d5c5dbae1c7c6d4bb3c318c752ba4608cfcd90eb97ffb94a910eac2
- hash: 84edce66f09c55bbb44754411bde4b092288d172734df62fac20d6f794b3a2ec
- hash: 8eaf4c4d0b82620bcda29b97896e2da0a754205c035721479f7ceafb817e4466
- hash: a585277a67a176fe098edf90986670653a5039e03e4028d18dd0b607ed287caa
- hash: a9235c0eb74a8e92e5a0150e055ee9dcdc6252a07785b6677a9ca831157833a5
- hash: ab4c4aebb52027bf3d2f6b2dcef593a1a2cff415774ea4711f7d6e0aa1451d4e
- hash: bc40e5e2c438032bac4dec2ad61eedd4e7c162a8b42004774f6e4330d8137ba8
- hash: cd08115806662469bbedec4b03f8427b97c8a4b3bc1442dc18b72b4e19395fe3
- hash: cd6af6c9ba149673ff89a1f1ccc8ec40a265a3b54ad455fbef28dc2967a98e45
- hash: d29deee2e8bec85d2fcaec427f17d677f7de4f8387e00566b0b45ff81157bd31
- hash: d2a0d5f564628773b6af7b9c11f6b86531a875bd2d186d7081ab62748a800ebb
- hash: d6fc0ff06978742a2ef789304bcdbe69a731693ad066a457db0878279830d6a9
- hash: e4e3b176c1255666024d90392e09466a23bf6e8740bf589c6d1ccf2dfff451a4
- hash: e6912e3ec58120bf63edf2e4be6ff2f092c40cfbc655a12f4a463b2ef98d368e
- hash: f66c1ea3b25ec95d0c6a07be92c761551e543a7b256f9c78a2ff781c77df7093
- ip: 83.142.209.11
- ip: 83.142.209.203
- domain: aquasecurtiy.org
- domain: scan.aquasecurtiy.org
- domain: tdtqy-oyaaa-aaaae-af2dq-cai.raw.icp0.io
Ringing in Chaos: How TeamPCP Weaponized the Telnyx Python SDK
Description
TeamPCP conducted a supply chain attack by uploading malicious versions of the Telnyx Python SDK to PyPI, a package with approximately 750,000 monthly downloads. The attack uses a multi-stage approach involving a trojanized package that triggers a platform-specific loader, which then downloads a second-stage payload hidden via steganography in a WAV file. This payload deploys a credential harvester that steals, encrypts, and exfiltrates credentials to the attacker’s command and control server. The attack targets multiple major operating systems and can spread laterally through Kubernetes clusters. It is part of a broader campaign targeting multiple packages over nine days, employing advanced evasion and persistence techniques including steganography, hybrid encryption, and a full-featured RAT on Windows. No official patch or remediation guidance is provided in the available data.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The threat involves a supply chain compromise of the Telnyx Python SDK on PyPI by the adversary TeamPCP. The malicious package initiates a three-stage attack: first, a trojanized SDK triggers a platform-specific loader; second, a payload hidden in a WAV file via steganography is downloaded; third, a credential harvester is deployed that collects and encrypts credentials before exfiltration. The attack supports multiple operating systems and propagates through Kubernetes clusters. It features sophisticated techniques such as WAV and PNG steganography, hybrid encryption, Kubernetes lateral movement, and a Windows RAT with evasion capabilities. This campaign affected multiple packages over a nine-day period and is part of a broader supply chain attack strategy.
Potential Impact
The attack compromises a widely used Python SDK, potentially affecting a large number of users who download and use the package. It results in credential theft through a multi-stage payload delivery mechanism, enabling attackers to harvest sensitive credentials, encrypt them, and exfiltrate to their command and control infrastructure. The attack can propagate across Kubernetes clusters, increasing its potential impact in cloud-native environments. The presence of a full-featured RAT on Windows with advanced evasion techniques further increases the risk of persistent compromise and unauthorized access.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Users should verify the integrity of the Telnyx Python SDK package and avoid using versions from untrusted sources. It is recommended to monitor official Telnyx and PyPI advisories for updates or patches. Organizations should consider implementing supply chain security measures such as package signing verification and restricting installation of unverified packages. Given the complexity and sophistication of the attack, incident response should focus on identifying and removing the trojanized package and any deployed payloads.
Technical Details
- Author
- AlienVault
- Tlp
- white
- References
- ["https://hexastrike.com/resources/blog/threat-intelligence/ringing-in-chaos-how-teampcp-weaponized-the-telnyx-python-sdk"]
- Adversary
- TeamPCP
- Pulse Id
- 69cbf2da3eb58fb6304be93b
- Threat Score
- null
Indicators of Compromise
Ip
| Value | Description | Copy |
|---|---|---|
ip45.148.10.212 | — | |
ip83.142.209.11 | — | |
ip83.142.209.203 | — |
Hash
| Value | Description | Copy |
|---|---|---|
hash05bacbe163ef0393c2416cbd05e45e74 | — | |
hash2e3a4412a7a487b32c5715167c755d08 | — | |
hash331ab9c032cf95c89d877ee05b46f8d8 | — | |
hash4467de8f6d521d6fc6a930fa8ede7017 | — | |
hash5870a0bf82bbdf2687d8dce89dfa668f | — | |
hash7d231e938774127ba7487061ebc51e74 | — | |
hash97e073abd819d9cdc07705aeaa481f59 | — | |
hashb1c6036b046bcf8c80601742ebcc61b0 | — | |
hashd2210feb0438c0ce89b5579ef75ae4d4 | — | |
hashd528effabbd9cd66aaa11bc8777bb110 | — | |
hash3fcc7360a2738ad2656e17c7d4ed3e651ff7d73a | — | |
hash42f7861818214222efeadb2fc826dda1cdc90050 | — | |
hash4ce6ad55d8912aacc4ae4c572237131d0b7ba4b5 | — | |
hash512efdfc832b012677341d251670c7192c463b21 | — | |
hash78cd382040eda14e2f8a17ee7387cffdabe96ab5 | — | |
hash85e16077deeaffae3c50d45d99e9dae2c58de53e | — | |
hashe866b3fa9f87a084b610272580428761e28ad65a | — | |
hasheee517fe8da4eddf7ead1d01a32606e6beec1adc | — | |
hash196b5e0e06424a02e360e28e08d7dcfab7ec8946af9477ca352c6cf6b7d4e9bd | — | |
hash23b1ec58649170650110ecad96e5a9490d98146e105226a16d898fbe108139e5 | — | |
hash485952ba5347aa83f00537a4be0bebb274021f773a0203b65142f1b86dfda34d | — | |
hash4eceb569b4330565b93058465beab0e6d5ea09cfba8e7f29d7be1b5a2abd958a | — | |
hash5ce544a8db5d0b0953c966384858e4e8a017e7acba2f5f6d0ac8f529d59939d8 | — | |
hash6cf223aea68b0e8031ff68251e30b6017a0513fe152e235c26f248ba1e15c92a | — | |
hash7290353a3bc2b18e9ea574d3294b09e28edaa6b038285bb101cf09760f187dcd | — | |
hash7321caa303fe96ded0492c747d2f353c4f7d17185656fe292ab0a59e2bd0b8d9 | — | |
hash8395c3268d5c5dbae1c7c6d4bb3c318c752ba4608cfcd90eb97ffb94a910eac2 | — | |
hash84edce66f09c55bbb44754411bde4b092288d172734df62fac20d6f794b3a2ec | — | |
hash8eaf4c4d0b82620bcda29b97896e2da0a754205c035721479f7ceafb817e4466 | — | |
hasha585277a67a176fe098edf90986670653a5039e03e4028d18dd0b607ed287caa | — | |
hasha9235c0eb74a8e92e5a0150e055ee9dcdc6252a07785b6677a9ca831157833a5 | — | |
hashab4c4aebb52027bf3d2f6b2dcef593a1a2cff415774ea4711f7d6e0aa1451d4e | — | |
hashbc40e5e2c438032bac4dec2ad61eedd4e7c162a8b42004774f6e4330d8137ba8 | — | |
hashcd08115806662469bbedec4b03f8427b97c8a4b3bc1442dc18b72b4e19395fe3 | — | |
hashcd6af6c9ba149673ff89a1f1ccc8ec40a265a3b54ad455fbef28dc2967a98e45 | — | |
hashd29deee2e8bec85d2fcaec427f17d677f7de4f8387e00566b0b45ff81157bd31 | — | |
hashd2a0d5f564628773b6af7b9c11f6b86531a875bd2d186d7081ab62748a800ebb | — | |
hashd6fc0ff06978742a2ef789304bcdbe69a731693ad066a457db0878279830d6a9 | — | |
hashe4e3b176c1255666024d90392e09466a23bf6e8740bf589c6d1ccf2dfff451a4 | — | |
hashe6912e3ec58120bf63edf2e4be6ff2f092c40cfbc655a12f4a463b2ef98d368e | — | |
hashf66c1ea3b25ec95d0c6a07be92c761551e543a7b256f9c78a2ff781c77df7093 | — |
Domain
| Value | Description | Copy |
|---|---|---|
domainaquasecurtiy.org | — | |
domainscan.aquasecurtiy.org | — | |
domaintdtqy-oyaaa-aaaae-af2dq-cai.raw.icp0.io | — |
Threat ID: 69d636951cc7ad14da612bca
Added to database: 4/8/2026, 11:05:57 AM
Last enriched: 4/8/2026, 11:21:17 AM
Last updated: 4/9/2026, 4:49:27 AM
Views: 15
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