General
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Target
VastGen.exe
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Size
35.7MB
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Sample
240709-3mae2avbpe
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MD5
6d1270309900c388ca00051255d6151f
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SHA1
4da4921ef93549ab7ef521ee9d9711e872ef6156
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SHA256
544d16c97c7860f1ff74d830619e0805543399de3c2dd8da9c7df6f55fe6afa2
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SHA512
5bebf973273536153e8456006268f0dcac93159ce81884a84482f705b1374e240619bc27a9dd2f77a529b0e93baddce5a9afd364e4e393814d1e62e52f790d0a
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SSDEEP
786432:ZfcFuQiE/mZm2sifwU8OpHqQb9V1JmVU/F10CvRzbImy9NcO:BkNuZmBiEOTbTvmm/h8my9N
Static task
static1
Behavioral task
behavioral1
Sample
VastGen.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
VastGen.exe
Resource
win10v2004-20240704-en
Malware Config
Targets
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Target
VastGen.exe
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Size
35.7MB
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MD5
6d1270309900c388ca00051255d6151f
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SHA1
4da4921ef93549ab7ef521ee9d9711e872ef6156
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SHA256
544d16c97c7860f1ff74d830619e0805543399de3c2dd8da9c7df6f55fe6afa2
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SHA512
5bebf973273536153e8456006268f0dcac93159ce81884a84482f705b1374e240619bc27a9dd2f77a529b0e93baddce5a9afd364e4e393814d1e62e52f790d0a
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SSDEEP
786432:ZfcFuQiE/mZm2sifwU8OpHqQb9V1JmVU/F10CvRzbImy9NcO:BkNuZmBiEOTbTvmm/h8my9N
Score7/10-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Event Triggered Execution: Component Object Model Hijacking
Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.
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Executes dropped EXE
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Loads dropped DLL
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Modifies system executable filetype association
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Adds Run key to start application
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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Checks system information in the registry
System information is often read in order to detect sandboxing environments.
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
2Change Default File Association
1Component Object Model Hijacking
1