General
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Target
a858a1aaf362560495896071be71252afebda07158e3d85217c045eeda122a4a
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Size
804KB
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Sample
220430-n4drfsdfdq
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MD5
27112b3ee06ad3afbf979a9f4698863f
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SHA1
328153a8f84bb7d06eca165342edbf4aa3f1a5b3
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SHA256
a858a1aaf362560495896071be71252afebda07158e3d85217c045eeda122a4a
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SHA512
7ba0894d510175cb1156490f4860bfd4b1cbb5f2453f2999ab3ec603caa609eea0a80b649dbaa2186a5f18f5daef9746b3b63ed499db66124daa3a315ac6ffae
Static task
static1
Behavioral task
behavioral1
Sample
a858a1aaf362560495896071be71252afebda07158e3d85217c045eeda122a4a.exe
Resource
win10v2004-20220414-en
Malware Config
Extracted
djvu
http://fuyt.org/test1/get.php
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extension
.jhbg
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offline_id
u8l8S1WNPrtypqzE5TnCErdyo7HLDDCUTJi8Vbt1
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payload_url
http://zerit.top/dl/build2.exe
http://fuyt.org/files/1/build3.exe
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ransomnote
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Extracted
vidar
51.8
517
https://t.me/mm20220428
https://koyu.space/@ronxik123
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profile_id
517
Targets
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Target
a858a1aaf362560495896071be71252afebda07158e3d85217c045eeda122a4a
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Size
804KB
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MD5
27112b3ee06ad3afbf979a9f4698863f
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SHA1
328153a8f84bb7d06eca165342edbf4aa3f1a5b3
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SHA256
a858a1aaf362560495896071be71252afebda07158e3d85217c045eeda122a4a
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SHA512
7ba0894d510175cb1156490f4860bfd4b1cbb5f2453f2999ab3ec603caa609eea0a80b649dbaa2186a5f18f5daef9746b3b63ed499db66124daa3a315ac6ffae
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Detected Djvu ransomware
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suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
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suricata: ET MALWARE W32/Agent.OGR!tr.pws Stealer
suricata: ET MALWARE W32/Agent.OGR!tr.pws Stealer
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suricata: ET MALWARE Win32/Filecoder.STOP Variant Public Key Download
suricata: ET MALWARE Win32/Filecoder.STOP Variant Public Key Download
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suricata: ET MALWARE Win32/Filecoder.STOP Variant Request for Public Key
suricata: ET MALWARE Win32/Filecoder.STOP Variant Request for Public Key
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suricata: ET MALWARE Win32/Vodkagats Loader Requesting Payload
suricata: ET MALWARE Win32/Vodkagats Loader Requesting Payload
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Vidar Stealer
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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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