General
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Target
Build.exe
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Size
11.9MB
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Sample
240302-vvtvmsfc9v
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MD5
2fbf75fbac01d42161fdeb6adbd0d979
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SHA1
3ef5530a433923276191eec8d98aa462194aa829
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SHA256
8eeda0849b8bffc5d26ee56f02162f2e75e4271c4257c309197f3645fac47c03
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SHA512
1c208f3a5202c578e6f70474566f0929954b5678215ad962f84a7febee1b9c7a0a1cc3040763192a3ed9ebdf395bd9aa113ee313bf6f951973a717fec423472d
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SSDEEP
196608:AFH/xtSYJodEawY/7HPjloM1LiUIX099RYU9ptAzvZaZoM2S5HQoFKArPWug0Vg:AFfxtjJ/an7HPZ12TE99R3zmhbShKArI
Behavioral task
behavioral1
Sample
Build.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
Build.exe
Resource
win10v2004-20240226-en
Malware Config
Targets
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Target
Build.exe
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Size
11.9MB
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MD5
2fbf75fbac01d42161fdeb6adbd0d979
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SHA1
3ef5530a433923276191eec8d98aa462194aa829
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SHA256
8eeda0849b8bffc5d26ee56f02162f2e75e4271c4257c309197f3645fac47c03
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SHA512
1c208f3a5202c578e6f70474566f0929954b5678215ad962f84a7febee1b9c7a0a1cc3040763192a3ed9ebdf395bd9aa113ee313bf6f951973a717fec423472d
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SSDEEP
196608:AFH/xtSYJodEawY/7HPjloM1LiUIX099RYU9ptAzvZaZoM2S5HQoFKArPWug0Vg:AFfxtjJ/an7HPZ12TE99R3zmhbShKArI
Score9/10-
Identifies VirtualBox via ACPI registry values (likely anti-VM)
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Creates new service(s)
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Drops file in Drivers directory
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Sets service image path in registry
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Stops running service(s)
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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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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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 NtSetInformationThreadHideFromDebugger
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Suspicious use of SetThreadContext
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2