General
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Target
file.exe
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Size
721KB
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Sample
220925-phrxmaefc7
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MD5
299f9a54d10dcb78969751726ed48996
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SHA1
26793f92f9b14496546aff5b3dbe0cd95ac46871
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SHA256
3130ae6e57bb34f6f6cb6c0c507ca6a44b217bf0e8d238ecb66e54ad899b776a
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SHA512
1edd56911ffcfbb194c4a68e36dec1eea04c3923fe5f47e6afae338a53ea28dcff0a0d197f3c10a7bbaa9b18e9d8510ed37186d89ad8658d94a695543c5aa947
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SSDEEP
12288:IdXQpMFX8ev+8BgQ4A65HDZ5o3m6GvnuyU5cc4pGxUAAeoOH5ZG:IpQpMN88+6gQ4A65jZ5o8vK3403JZZG
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220812-en
Malware Config
Extracted
djvu
http://winnlinne.com/test3/get.php
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extension
.ofoq
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offline_id
xkNzhkB1wvgoDI7Uo0HPNLY3qCuwoFpP7nlhlut1
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payload_url
http://rgyui.top/dl/build2.exe
http://winnlinne.com/files/1/build3.exe
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ransomnote
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Extracted
vidar
54.6
517
https://t.me/huobiinside
https://mas.to/@kyriazhs1975
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profile_id
517
Targets
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Target
file.exe
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Size
721KB
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MD5
299f9a54d10dcb78969751726ed48996
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SHA1
26793f92f9b14496546aff5b3dbe0cd95ac46871
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SHA256
3130ae6e57bb34f6f6cb6c0c507ca6a44b217bf0e8d238ecb66e54ad899b776a
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SHA512
1edd56911ffcfbb194c4a68e36dec1eea04c3923fe5f47e6afae338a53ea28dcff0a0d197f3c10a7bbaa9b18e9d8510ed37186d89ad8658d94a695543c5aa947
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SSDEEP
12288:IdXQpMFX8ev+8BgQ4A65HDZ5o3m6GvnuyU5cc4pGxUAAeoOH5ZG:IpQpMN88+6gQ4A65jZ5o8vK3403JZZG
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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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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Loads dropped DLL
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Modifies file permissions
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Accesses cryptocurrency files/wallets, possible credential harvesting
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Adds Run key to start application
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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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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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