General
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Target
97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98
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Size
774KB
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Sample
240205-fsmwzsbdd2
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MD5
faf9bf89fd060a85d2fcc98e9d511a8b
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SHA1
08d256665c3aa89eafa123cfb965c8c1b4b5f5d0
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SHA256
97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98
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SHA512
318bb22a79f511421f209f0ee1a8367addfa4c7355f4000bce80b2d18beab450d927c2910eb3f4f2e6f7b5924c623f531eb9c46c80e11123298af721054c4ba1
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SSDEEP
12288:liIAA+MX6Cy84Yw54I1/MASK0k1sLYslK0ijkbHi/58P8agY56MJUG2:lpBU8nwN1/MASK0xLYHjAtP8aouUG
Static task
static1
Behavioral task
behavioral1
Sample
97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe
Resource
win10v2004-20231215-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
97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98
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Size
774KB
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MD5
faf9bf89fd060a85d2fcc98e9d511a8b
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SHA1
08d256665c3aa89eafa123cfb965c8c1b4b5f5d0
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SHA256
97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98
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SHA512
318bb22a79f511421f209f0ee1a8367addfa4c7355f4000bce80b2d18beab450d927c2910eb3f4f2e6f7b5924c623f531eb9c46c80e11123298af721054c4ba1
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SSDEEP
12288:liIAA+MX6Cy84Yw54I1/MASK0k1sLYslK0ijkbHi/58P8agY56MJUG2:lpBU8nwN1/MASK0xLYHjAtP8aouUG
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Detect Vidar Stealer
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Detected Djvu ransomware
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Detect binaries embedding considerable number of MFA browser extension IDs.
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Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs.
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Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
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Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion
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Downloads MZ/PE file
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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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