General
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Target
b4a0b540033c1baef1cac8953ae3968ccc4257e8bfb9be01cdce942a948b2dd0
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Size
520KB
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Sample
250314-khrjmszpt7
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MD5
3f0e55ebfb98e8ca2b23339e10ba8b33
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SHA1
601feada6767ae6bc7202435ce5e9486992059e9
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SHA256
b4a0b540033c1baef1cac8953ae3968ccc4257e8bfb9be01cdce942a948b2dd0
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SHA512
31b30b4be476d3ba91b28d7eb65e0657a6161c640276dc555d9fa5a04bfa959bb166333fb8d001c3b951936455fbd01a7f9e98ef50c10dbeaa813498605b5d77
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SSDEEP
12288:zW6n3sX4yCFr2ZemYOpSPIsGWeKZl4q7sioXb:zW6ncoyqOp6IsTl/mXb
Static task
static1
Behavioral task
behavioral1
Sample
b4a0b540033c1baef1cac8953ae3968ccc4257e8bfb9be01cdce942a948b2dd0.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
b4a0b540033c1baef1cac8953ae3968ccc4257e8bfb9be01cdce942a948b2dd0.exe
Resource
win10v2004-20250313-en
Malware Config
Targets
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Target
b4a0b540033c1baef1cac8953ae3968ccc4257e8bfb9be01cdce942a948b2dd0
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Size
520KB
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MD5
3f0e55ebfb98e8ca2b23339e10ba8b33
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SHA1
601feada6767ae6bc7202435ce5e9486992059e9
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SHA256
b4a0b540033c1baef1cac8953ae3968ccc4257e8bfb9be01cdce942a948b2dd0
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SHA512
31b30b4be476d3ba91b28d7eb65e0657a6161c640276dc555d9fa5a04bfa959bb166333fb8d001c3b951936455fbd01a7f9e98ef50c10dbeaa813498605b5d77
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SSDEEP
12288:zW6n3sX4yCFr2ZemYOpSPIsGWeKZl4q7sioXb:zW6ncoyqOp6IsTl/mXb
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Blackshades family
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Blackshades payload
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Modifies firewall policy service
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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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Adds Run key to start application
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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
1Windows Service
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Defense Evasion
Impair Defenses
1Disable or Modify System Firewall
1Modify Registry
3