General
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Target
Архив ZIP - WinRAR.zip
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Size
1.5MB
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Sample
241205-vy8szazqhr
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MD5
48cf11b5abbd762bdc90ac376cfa33f1
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SHA1
97a20a51cf4a6cc0f12c2731653a1bc55d41aaf9
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SHA256
67532096f84b99406b8d26906f43a09cccd5899e7ebfd0412b013ddd833f69d2
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SHA512
a64ded333a546b36226a67a17a81f1a4db3222b31aa8418f580ee0b9783ba95a081368915a713679f57b30be9d642f895cccdc39e37e88a395c1639441684f5a
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SSDEEP
24576:VggBCOgPdC7mSpqlyYLMB4Tr03lCZKewXS3+Y5R0iXd93LH6+1Dtv7:6gBTgo7mskydBtYF9/0Sd9bV1Dtj
Static task
static1
Behavioral task
behavioral1
Sample
Архив ZIP - WinRAR.zip
Resource
win10v2004-20241007-en
Malware Config
Targets
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Target
Архив ZIP - WinRAR.zip
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Size
1.5MB
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MD5
48cf11b5abbd762bdc90ac376cfa33f1
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SHA1
97a20a51cf4a6cc0f12c2731653a1bc55d41aaf9
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SHA256
67532096f84b99406b8d26906f43a09cccd5899e7ebfd0412b013ddd833f69d2
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SHA512
a64ded333a546b36226a67a17a81f1a4db3222b31aa8418f580ee0b9783ba95a081368915a713679f57b30be9d642f895cccdc39e37e88a395c1639441684f5a
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SSDEEP
24576:VggBCOgPdC7mSpqlyYLMB4Tr03lCZKewXS3+Y5R0iXd93LH6+1Dtv7:6gBTgo7mskydBtYF9/0Sd9bV1Dtj
Score10/10-
DcRat
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
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Dcrat family
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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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Command and Scripting Interpreter: PowerShell
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
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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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Drops file in System32 directory
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MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Scheduled Task/Job
1Scheduled Task
1