General
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Target
Temp Spoofer (1).exe
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Size
80KB
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Sample
241122-sj5fwstjbs
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MD5
4bade4cf3e468836937dffc66f28833a
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SHA1
0c36e2126793f13cc9f30584feb32f637590a951
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SHA256
1a54e3dd3ee11f50480247c45562ab2d12ba0dc80863020bc44b4e9ee98cd7cc
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SHA512
160f02b8ac61047f3384ea42f40f98b4f3455aca97eae229c911c146a81941e665613ed6989724604956a9b5f4f4a948da1410f0d885a1c9f7ca454ff29497fb
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SSDEEP
1536:uOmuEFBmau8ikz/S86fzhge8YaKCuWm5SepcVf:u2Krz/S86rh9CuWm5BpcV
Static task
static1
Behavioral task
behavioral1
Sample
Temp Spoofer (1).exe
Resource
win7-20240903-en
Malware Config
Extracted
lumma
https://fumblingactor.cyou/api
Targets
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Target
Temp Spoofer (1).exe
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Size
80KB
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MD5
4bade4cf3e468836937dffc66f28833a
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SHA1
0c36e2126793f13cc9f30584feb32f637590a951
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SHA256
1a54e3dd3ee11f50480247c45562ab2d12ba0dc80863020bc44b4e9ee98cd7cc
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SHA512
160f02b8ac61047f3384ea42f40f98b4f3455aca97eae229c911c146a81941e665613ed6989724604956a9b5f4f4a948da1410f0d885a1c9f7ca454ff29497fb
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SSDEEP
1536:uOmuEFBmau8ikz/S86fzhge8YaKCuWm5SepcVf:u2Krz/S86rh9CuWm5BpcV
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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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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
1