General
- Target 84f1ccd21c1bfcbb4b19f8d04fb9e7eaf7734093e076783c17f0c92251d5f493
- Size 2.3MB
- Sample260916-qrffmabb42
- SHA256 84f1ccd21c1bfcbb4b19f8d04fb9e7eaf7734093e076783c17f0c92251d5f493
- MD5 e2b373d5daf65d8984c973bdebe22aeb
- SHA1 a73d268839d95f86b7311304a90ae5f5b026888e
- SHA512 398f6834f869c5dd273807e85d990603bf90da9f307dc6f22c0f4e984b9cd882b3f365a070ea2f86ca83dffe32db92535371a639c93d99d1522e765597e5b5c7
- SSDEEP 24576:2MNtFZj9J4rIIUMRaM/v72MPcz0jP3fE4w2QRqCcXnWMutE5+:bj/cRNdPvEcnWlI+
- TLSH T158B53E342EEA502AB173FF7D8AE47596DA5FBBA33707585D00A1038A0723A42DDD153E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
Behavioral task
behavioral1
Sample
84f1ccd21c1bfcbb4b19f8d04fb9e7eaf7734093e076783c17f0c92251d5f493.exe
Resource
win10v2004-20260911-en
17 signatures
150 seconds
Malware Config
Targets
-
- Target 84f1ccd21c1bfcbb4b19f8d04fb9e7eaf7734093e076783c17f0c92251d5f493
- Size 2.3MB
- SHA256 84f1ccd21c1bfcbb4b19f8d04fb9e7eaf7734093e076783c17f0c92251d5f493
- MD5 e2b373d5daf65d8984c973bdebe22aeb
- SHA1 a73d268839d95f86b7311304a90ae5f5b026888e
- SHA512 398f6834f869c5dd273807e85d990603bf90da9f307dc6f22c0f4e984b9cd882b3f365a070ea2f86ca83dffe32db92535371a639c93d99d1522e765597e5b5c7
- SSDEEP 24576:2MNtFZj9J4rIIUMRaM/v72MPcz0jP3fE4w2QRqCcXnWMutE5+:bj/cRNdPvEcnWlI+
- TLSH T158B53E342EEA502AB173FF7D8AE47596DA5FBBA33707585D00A1038A0723A42DDD153E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score10/10-
Family: DcRat
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
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Modifies WinLogon for persistence
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Process spawned unexpected child process
This typically indicates the parent process was compromised via an exploit or macro.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE
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Adds Run key to start application
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SmartAssembly .NET packer
Detects SmartAssembly .NET packer.
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Scheduled Task/Job
1Scheduled Task
1