General
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Target
57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50
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Size
834KB
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Sample
240201-fgy5wadegn
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MD5
b68bbdac4ada5ab4ec6fbf6e49d70add
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SHA1
2868bc0c32ac5ea7add1e1f38ef4d4e048f77201
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SHA256
57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50
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SHA512
46873523781249c2a28d334514d9c6a8d9c1905103222596d1a9d1a09520b669a0417fe8b756850d8d14de3e0c28a0240fcba1870a4f305cc98ed54aa6102779
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SSDEEP
24576:xSvdNgkYQ5LJauttYHlf0IqyTy8wlJeue2v:kvdekYQjaUeHlXbhwS
Static task
static1
Behavioral task
behavioral1
Sample
57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50.exe
Resource
win10-20231220-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
57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50
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Size
834KB
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MD5
b68bbdac4ada5ab4ec6fbf6e49d70add
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SHA1
2868bc0c32ac5ea7add1e1f38ef4d4e048f77201
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SHA256
57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50
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SHA512
46873523781249c2a28d334514d9c6a8d9c1905103222596d1a9d1a09520b669a0417fe8b756850d8d14de3e0c28a0240fcba1870a4f305cc98ed54aa6102779
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SSDEEP
24576:xSvdNgkYQ5LJauttYHlf0IqyTy8wlJeue2v:kvdekYQjaUeHlXbhwS
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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