General
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Target
66281e09139f827829da257b0976c5bca2db8150b8422da7582bc2c2db33e8ba
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Size
819KB
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Sample
240205-fh7teadagj
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MD5
aed73fb9a0ebf033d0478fa814e7b8d3
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SHA1
0058f0b7203c592edf70131b84f6cb1fe784f8a3
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SHA256
66281e09139f827829da257b0976c5bca2db8150b8422da7582bc2c2db33e8ba
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SHA512
3a264e0286234e97f5c01816adcd40a408ac66153ce81e4066c22a54f4533a3a34fcb9a3e40db41dee7227ee24a084a89f2b61da9a5cf14ee8b50669ea9ebffb
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SSDEEP
12288:q2kxn4QFNbM2vZ+UO2Hf55nnVP3xxJSpH136GcAnCPQ8FcNAE2Jr90tPT1td9eY:c/DM28uHZPnG1GAnCPQ2mad9G5tzR
Static task
static1
Behavioral task
behavioral1
Sample
66281e09139f827829da257b0976c5bca2db8150b8422da7582bc2c2db33e8ba.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
66281e09139f827829da257b0976c5bca2db8150b8422da7582bc2c2db33e8ba.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
66281e09139f827829da257b0976c5bca2db8150b8422da7582bc2c2db33e8ba
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Size
819KB
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MD5
aed73fb9a0ebf033d0478fa814e7b8d3
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SHA1
0058f0b7203c592edf70131b84f6cb1fe784f8a3
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SHA256
66281e09139f827829da257b0976c5bca2db8150b8422da7582bc2c2db33e8ba
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SHA512
3a264e0286234e97f5c01816adcd40a408ac66153ce81e4066c22a54f4533a3a34fcb9a3e40db41dee7227ee24a084a89f2b61da9a5cf14ee8b50669ea9ebffb
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SSDEEP
12288:q2kxn4QFNbM2vZ+UO2Hf55nnVP3xxJSpH136GcAnCPQ8FcNAE2Jr90tPT1td9eY:c/DM28uHZPnG1GAnCPQ2mad9G5tzR
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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