General
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Target
launcher.exe.bin.exe
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Size
7.2MB
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Sample
250110-rn14laynhn
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MD5
ff391ed9e21485241544944ec6f4a3f0
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SHA1
bd7b5ce885c4684e05c1e937e46e9ef4ad06548c
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SHA256
619ce969d1ec179adf72a87b08468986fa2cb537229a5e8fd03d00856f502200
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SHA512
b9e9beffde62433911ac96fa3461f5c453dc10c6c760d2a7aa6df04573d1661d064cdcbe49507cecd59238410a671e1aeebf2858235ec9a31b91b5891203d5eb
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SSDEEP
98304:MHAnOWlogrB1cyZ/KHH3+nnE6ohJMWLXfdYzOn5BNNARHjdSC8BHeqz:MHADlogrBayZ/K02hJuc4RZV8FeM
Static task
static1
Behavioral task
behavioral1
Sample
launcher.exe.bin.exe
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
launcher.exe.bin.exe
Resource
win10v2004-20241007-en
Malware Config
Targets
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Target
launcher.exe.bin.exe
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Size
7.2MB
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MD5
ff391ed9e21485241544944ec6f4a3f0
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SHA1
bd7b5ce885c4684e05c1e937e46e9ef4ad06548c
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SHA256
619ce969d1ec179adf72a87b08468986fa2cb537229a5e8fd03d00856f502200
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SHA512
b9e9beffde62433911ac96fa3461f5c453dc10c6c760d2a7aa6df04573d1661d064cdcbe49507cecd59238410a671e1aeebf2858235ec9a31b91b5891203d5eb
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SSDEEP
98304:MHAnOWlogrB1cyZ/KHH3+nnE6ohJMWLXfdYzOn5BNNARHjdSC8BHeqz:MHADlogrBayZ/K02hJuc4RZV8FeM
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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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Suspicious use of NtCreateUserProcessOtherParentProcess
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Disables Task Manager via registry modification
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Sets service image path in registry
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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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Loads dropped DLL
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Adds Run key to start application
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Legitimate hosting services abused for malware hosting/C2
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Power Settings
powercfg controls all configurable power system settings on a Windows system and can be abused to prevent an infected host from locking or shutting down.
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Drops file in System32 directory
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Suspicious use of SetThreadContext
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MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1System Services
1Service Execution
1Persistence
Boot or Logon Autostart Execution
3Registry Run Keys / Startup Folder
2Winlogon Helper DLL
1Create or Modify System Process
1Windows Service
1Power Settings
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
3Registry Run Keys / Startup Folder
2Winlogon Helper DLL
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Scheduled Task
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1