General
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Target
file.exe
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Size
271KB
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Sample
221005-1dlqlafga2
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MD5
0b28c768b2688d0b845c6cc8fd1c0c0d
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SHA1
9c90b3b6675075e7e36199f9ece3fd4d8231b810
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SHA256
66d05cd109af6833d21e53732782d29a1b4f2f24b4431fc65c3c39da708e6c59
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SHA512
4d6d255afa82b82a903f5d40c31c286ae8f8945d01a255657e8ce00e523418138ef4c47d3a4d6e5b76812fd5d80efd1afea622972eb424972852a92c54229d11
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SSDEEP
6144:IMa2WyLuVFvsvx3mzUNRRuzbgwu+JrtjfwVfUsk:IMLqF0Z3mzUunn7B3
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/lancer/get.php
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extension
.adww
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offline_id
z8lhl4oForVEc7gy9Ra8rSqjYMl3xiFRuIW4not1
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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
54.9
517
https://t.me/larsenup
https://ioc.exchange/@zebra54
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profile_id
517
Targets
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Target
file.exe
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Size
271KB
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MD5
0b28c768b2688d0b845c6cc8fd1c0c0d
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SHA1
9c90b3b6675075e7e36199f9ece3fd4d8231b810
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SHA256
66d05cd109af6833d21e53732782d29a1b4f2f24b4431fc65c3c39da708e6c59
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SHA512
4d6d255afa82b82a903f5d40c31c286ae8f8945d01a255657e8ce00e523418138ef4c47d3a4d6e5b76812fd5d80efd1afea622972eb424972852a92c54229d11
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SSDEEP
6144:IMa2WyLuVFvsvx3mzUNRRuzbgwu+JrtjfwVfUsk:IMLqF0Z3mzUunn7B3
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Detected Djvu ransomware
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Detects Smokeloader packer
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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 Microsoft Outlook profiles
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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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Legitimate hosting services abused for malware hosting/C2
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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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