General
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Target
Temp Spoofer.exe
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Size
80KB
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Sample
241123-b6qsks1jfp
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MD5
b78426b5a12e41584e38e488cc222060
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SHA1
8785d4f2d3ed6f230a00ecfbfdba9e41005dbe93
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SHA256
1a56f55639b39aff74ad6e5199f0a43e7e286bc50e51cd0f44fc17dc58e44cbb
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SHA512
587e00c6a777c19c457691d75ffd91b0cdc0ef675e4027e4307e4e868e2a26652d6037a3867432ce9e50d45c0c4c9615b80704d43676425fd840693d4d9c0c5f
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SSDEEP
1536:t9o7JhgQHS6kEl/isGDz006OzhaK62LXlWm5SescQvgjVT2ZHW:/o1uGl/isGX06hhWm5Bscn2
Static task
static1
Behavioral task
behavioral1
Sample
Temp Spoofer.exe
Resource
win7-20240903-en
Malware Config
Extracted
lumma
https://fumblingactor.cyou/api
Targets
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Target
Temp Spoofer.exe
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Size
80KB
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MD5
b78426b5a12e41584e38e488cc222060
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SHA1
8785d4f2d3ed6f230a00ecfbfdba9e41005dbe93
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SHA256
1a56f55639b39aff74ad6e5199f0a43e7e286bc50e51cd0f44fc17dc58e44cbb
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SHA512
587e00c6a777c19c457691d75ffd91b0cdc0ef675e4027e4307e4e868e2a26652d6037a3867432ce9e50d45c0c4c9615b80704d43676425fd840693d4d9c0c5f
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SSDEEP
1536:t9o7JhgQHS6kEl/isGDz006OzhaK62LXlWm5SescQvgjVT2ZHW:/o1uGl/isGX06hhWm5Bscn2
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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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Lumma family
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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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Downloads MZ/PE file
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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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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
Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Create 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