General
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Target
2cecd998dd0dda41ee0aefbd0c6a490fb42cb506fcfb2e1dafc0a89b781af9ab
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Size
9.5MB
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Sample
240721-y6s92avgqn
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MD5
4050f2027e946d524e3a1078a6cd5419
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SHA1
698f02a2826e7d6ecfebf37b04f0231c904133eb
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SHA256
2cecd998dd0dda41ee0aefbd0c6a490fb42cb506fcfb2e1dafc0a89b781af9ab
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SHA512
fed614ebd8197c8809d32e0437dd49fd87640d3fbe0ae806479e79f2480975e404306821c43e726b55d17c02298bb088175ee079bc88d8a8fe942f3d4cd9afab
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SSDEEP
196608:HE7JB0tYrXLW+d7UcIxptvyUQymRDSI1WCOK5nQ:HE9B0OjrdLK4J/FQ
Behavioral task
behavioral1
Sample
2cecd998dd0dda41ee0aefbd0c6a490fb42cb506fcfb2e1dafc0a89b781af9ab.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
2cecd998dd0dda41ee0aefbd0c6a490fb42cb506fcfb2e1dafc0a89b781af9ab.exe
Resource
win10v2004-20240709-en
Malware Config
Targets
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Target
2cecd998dd0dda41ee0aefbd0c6a490fb42cb506fcfb2e1dafc0a89b781af9ab
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Size
9.5MB
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MD5
4050f2027e946d524e3a1078a6cd5419
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SHA1
698f02a2826e7d6ecfebf37b04f0231c904133eb
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SHA256
2cecd998dd0dda41ee0aefbd0c6a490fb42cb506fcfb2e1dafc0a89b781af9ab
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SHA512
fed614ebd8197c8809d32e0437dd49fd87640d3fbe0ae806479e79f2480975e404306821c43e726b55d17c02298bb088175ee079bc88d8a8fe942f3d4cd9afab
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SSDEEP
196608:HE7JB0tYrXLW+d7UcIxptvyUQymRDSI1WCOK5nQ:HE9B0OjrdLK4J/FQ
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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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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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XMRig Miner payload
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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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Event Triggered Execution: AppInit DLLs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
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.NET Reactor proctector
Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.
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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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Accesses cryptocurrency files/wallets, possible credential harvesting
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Adds Run key to start application
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Blocklisted process makes network request
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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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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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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
1Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Event Triggered Execution
1AppInit DLLs
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Event Triggered Execution
1AppInit DLLs
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Modify Registry
3Subvert Trust Controls
1Install Root Certificate
1