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LBIOC-20260071 - The Gentlemens Leak

0
Medium
Published: Wed May 13 2026 (05/13/2026, 09:08:56 UTC)
Source: AlienVault OTX General

Description

The Gentlemen is a ransomware and extortion operation that became publicly known in the second half of 2025. It is believed to be a continuation or reorganization of previous ransomware affiliate activity linked to the Qilin ecosystem and the Russian-speaking actor 'hastalamuerte. ' The group uses SystemBC for command and control and deploys ransomware variants targeting both Windows and Linux systems. Underground sources report attempts to sell data allegedly connected to this group, but victim-specific or technical confirmation is lacking. The threat is assessed as medium severity based on available information.

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 05/13/2026, 10:06:22 UTC

Technical Analysis

The Gentlemen ransomware operation emerged publicly in late 2025 and rapidly escalated into a high-volume threat actor. It appears to be a reorganization of prior ransomware affiliates with connections to the Qilin ecosystem and the Russian-speaking actor 'hastalamuerte.' The operation uses SystemBC for command and control communications and deploys ransomware variants targeting both Windows and Linux platforms. While underground sources claim data sales linked to this group, there is insufficient victim-specific or technical detail to verify these claims. No known exploits in the wild or patches are associated with this threat, and it is not a cloud service.

Potential Impact

The threat involves ransomware and extortion activities that can impact both Windows and Linux systems. The operation's use of SystemBC for command and control suggests a sophisticated infrastructure. However, no specific victim impact details or confirmed data breaches are available. The medium severity rating reflects the potential for significant disruption and data compromise typical of ransomware operations, though concrete impact details remain limited.

Mitigation Recommendations

No official patches or fixes are available as this is an active ransomware operation rather than a software vulnerability. Organizations should follow standard ransomware defense best practices tailored to their environments. Since no vendor advisory or specific remediation guidance is provided, patch status is not applicable. Monitoring for indicators of compromise related to The Gentlemen and SystemBC, and applying relevant detection and response measures, is recommended.

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Technical Details

Author
AlienVault
Tlp
white
References
[]
Adversary
The Gentlemen
Pulse Id
6a043fa88d6fd92063164a04
Threat Score
null

Indicators of Compromise

Ip

ValueDescriptionCopy
ip91.107.247.163
ip45.86.230.112

Hash

ValueDescriptionCopy
hasha88daa62751c212b7579a57f1f4ae8f8
hashc0979ec20b87084317d1bfa50405f7149c3b5c5f
hash7a311b584497e8133cd85950fec6132904dd5b02388a9feed3f5e057fb891d09
hash408dd6ade80f2ebbc2e5470a1fb506f1
hashe00293ce0eb534874efd615ae590cf6aa3858ba4
hash4c82fbafef9bab484a2fbe23e4ec8aac06e8e296d6c9e496f4a589f97fd4ab71
hash3ab9575225e00a83a4ac2b534da5a710bdcf6eb72884944c437b5fbe5c5c9235
hash4200b46a93c6ab059e2b34ce200c4a5b
hash42bcc743c71a9ea083c1c750a398110582796762
hashde1a114a2c5552387a1bbb61501bf129
hashd6aaed67606d6dab0f652c755d3d363025f60adb
hash62c2c24937d67fdeb43f2c9690ab10e8bb90713af46945048db9a94a465ffcb8
hash0b33a1a23b044beb5c9a63aafd35595c
hash00ff099e3cf7b548a7a0260cde8ac2f24a746da2
hash860a6177b055a2f5aa61470d17ec3c69da24f1cdf0a782237055cba431158923
hashf4ae5b89db5a6a36dbd98287ab7c860a
hash36d968425629b10f38be17787f8afe4b8afa131e
hash992c951f4af57ca7cd8396f5ed69c2199fd6fd4ae5e93726da3e198e78bec0a5
hash30b49ae2f685d4403d3013410f80c2e2
hash5f5bf7fc7a9ac89ce0bbb07bd1160078
hash6ae7c9a7ea0b8c40a64225734f6bd01d
hash5264a94271d875675336a503c94ece0baceb58c5
hash68225c5613afe2174ed46e074147676b0f9a3915
hash8468cb5888fb383d25f9144c2b2f61c414cea3f8
hash025fc0976c548fb5a880c83ea3eb21a5f23c5d53c4e51e862bb893c11adf712a
hash2ed9494e9b7b68415b4eb151c922c82c0191294d0aa443dd2cb5133e6bfe3d5d
hash48d9b2ce4fcd6854a3164ce395d7140014e0b58b77680623f3e4ca22d3a6e7fd
hash5dc607c8990841139768884b1b43e1403496d5a458788a1937be139594f01dca
hash87d25d0e5880b3b5cd30106853cbfc6ef1ad38966b30d9bd5b99df46098e546c
hash8c87134c1b45e990e9568f0a3899b0076f94be16d3c40fa824ac1e6c6ee892db
hash91415e0b9fe4e7cbe43ec0558a7adf89423de30d22b00b985c2e4b97e75076b1
hash994d6d1edb57f945f4284cc0163ec998861c7496d85f6d45c08657c9727186e3
hash9f61ff4deb8afced8b1ecdc8787a134c63bde632b18293fbfc94a91749e3e454
hasha7a19cab7aab606f833fa8225bc94ec9570a6666660b02cc41a63fe39ea8b0ad
hashb67958afc982cafbe1c3f114b444d7f4c91a88a3e7a86f89ab8795ac2110d1e6
hashc46b5a18ab3fb5fd1c5c8288a41c75bf0170c10b5e829af89370a12c86dd10f8
hashc7f7b5a6e7d93221344e6368c7ab4abf93e162f7567e1a7bcb8786cb8a183a73
hashec368ae0b4369b6ef0da244774995c819c63cffb7fd2132379963b9c1640ccd2
hashefaf8e7422ffd09c7f03f1a5b4e5c2cc32b05334c18d1ccb9673667f8f43108f
hashf736be55193c77af346dbe905e25f6a1dee3ec1aedca8989ad2088e4f6576b12
hashfc75ed2159e0c8274076e46a37671cfb8d677af9f586224da1713df89490a958
hashfe1033335a045c696c900d435119d210361966e2fb5cd1ba3382608cfa2c8e68
hash05e9d6d239ea29f0427b02a9bc903be7
hash0a454a07e071971832985701bc6e9164
hash0f9cd505df07e4ebfff3fe61b689e527
hash1cc9ae55b1856e4e9796c73f94c2e683
hash1e0f4cd09aa4464179933769b5009251
hash3b46a729db7ae6af8b19711c9452194d
hash4609cbac6772a6c61fcf2745cd3b4362
hash7a89b347beb55f63dbcbcfc0beedbe43
hash7b885b446bbd9b450146c88f84c64f30
hash7f11809925adc6657e84165fdf780816
hasha2a13b8da7370f5f4753d81c7958dfcb
hashed18c524e930cd1c34614f7cc3051dfc
hashffb6011e7c82355046988166dd896930
hash124b943f6e82135b4d680df111ce121a200606dc
hash143cb70aede3ba09ae54e1da55c69f0129991f48
hash23a468d7277902384875d4167a81164bc2bf6e72
hash54a207ed34d83d1f71d34d4ad538e8221ffba259
hash5aea74bf3e70f38eb596f8002b3c02514daee4f0
hash5d4ae46c14371e20d99b42cc0a683f8d5ec326ad
hash716e39bbc93fd4b394d9e6ef7c29aef1adc7dcb5
hash83c6c1bb37c9071e569aa4b247e54ab763bbf5da
hashaf4066ca0ae65ac63de6af60f46a9b23bb6dbfee
hashbd79aec521aa9f0cec374d57692b540b7b5a6ea8
hashd875d7e99f45c87e667dbebb8d8596182bdb94df
hashebddc99a00bd7a5dcaf7b73349309d970e5c69b8
hashef4b60f8162dfe20cb96dcae865a912e52459bb5

Threat ID: 6a0449a6cbff5d8610a9807f

Added to database: 5/13/2026, 9:51:34 AM

Last enriched: 5/13/2026, 10:06:22 AM

Last updated: 5/13/2026, 10:11:29 PM

Views: 25

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