General
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Target
cc9f95a4bb127cda832c37ba53dc86b8d21b67b0793d3d4039e2f2459fd36658
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Size
834KB
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Sample
240201-fmfkqadgbm
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MD5
393ff21e0c8d0a8b32e005d2fdbc97db
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SHA1
771cab72d0be3164a6be638b515af36481e70cf4
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SHA256
cc9f95a4bb127cda832c37ba53dc86b8d21b67b0793d3d4039e2f2459fd36658
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SHA512
09f80c7615faa84418b01a6b78c800e66c917999c366ba26dd28ff61735b9bb23c61024b1b3107cabfdd46aa8ce8973123536b79cf3e47ab9a554db4a14b2844
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SSDEEP
12288:0MhDTx3xk7WtKS2wnWRnSgB6kOyw8I6E7f0CbWdso0hS5yX7woTXIzSXG4:04Nl2LSZk1kQCbWdwS5yXJXeSv
Static task
static1
Behavioral task
behavioral1
Sample
cc9f95a4bb127cda832c37ba53dc86b8d21b67b0793d3d4039e2f2459fd36658.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
cc9f95a4bb127cda832c37ba53dc86b8d21b67b0793d3d4039e2f2459fd36658.exe
Resource
win10-20231215-en
Malware Config
Extracted
djvu
http://habrafa.com/test1/get.php
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extension
.cdcc
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offline_id
LBxKKiegnAy53rpqH3Pj2j46vwldiEt9kqHSuMt1
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payload_url
http://brusuax.com/dl/build2.exe
http://habrafa.com/files/1/build3.exe
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ransomnote
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Extracted
vidar
7.6
1b9d7ec5a25ab9d78c31777a0016a097
https://t.me/tvrugrats
https://steamcommunity.com/profiles/76561199627279110
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profile_id_v2
1b9d7ec5a25ab9d78c31777a0016a097
Targets
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Target
cc9f95a4bb127cda832c37ba53dc86b8d21b67b0793d3d4039e2f2459fd36658
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Size
834KB
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MD5
393ff21e0c8d0a8b32e005d2fdbc97db
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SHA1
771cab72d0be3164a6be638b515af36481e70cf4
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SHA256
cc9f95a4bb127cda832c37ba53dc86b8d21b67b0793d3d4039e2f2459fd36658
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SHA512
09f80c7615faa84418b01a6b78c800e66c917999c366ba26dd28ff61735b9bb23c61024b1b3107cabfdd46aa8ce8973123536b79cf3e47ab9a554db4a14b2844
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SSDEEP
12288:0MhDTx3xk7WtKS2wnWRnSgB6kOyw8I6E7f0CbWdso0hS5yX7woTXIzSXG4:04Nl2LSZk1kQCbWdwS5yXJXeSv
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Detect Vidar Stealer
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Detected Djvu ransomware
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Downloads MZ/PE file
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Executes dropped EXE
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Loads dropped DLL
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Modifies file permissions
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Adds Run key to start application
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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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Suspicious use of SetThreadContext
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MITRE ATT&CK Matrix ATT&CK v13
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1