General
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Target
JaffaCakes118_b00543b6e9ead74528eb07622f2f5c94
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Size
1020KB
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Sample
250411-1p8z9szzg1
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MD5
b00543b6e9ead74528eb07622f2f5c94
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SHA1
36310f1caec808d700c5f8147ebb1b6f60aee09a
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SHA256
075f8ff04a2ce29d55c82f2fabfa76187e0933b6b154614b45d5c5fdd41ed2a3
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SHA512
7f2937a25b363b139839cf491e7e9e2097ab5d469b3d8486aa23782b816fc63a7bd43f522c0fab1780dd80db32a0d5c84df635851ceb1f7d64bffc84e294bd4b
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SSDEEP
6144:YKEGlVcJboOtGY8q75yKC2qJDrNRlpwPBYgZ9fVU93eJwN6QFbSpO4XcA2n4aA8O:YKr3QboC9qLGKgZKe4HYpHvcbTV
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_b00543b6e9ead74528eb07622f2f5c94.exe
Resource
win10v2004-20250410-en
Malware Config
Targets
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Target
JaffaCakes118_b00543b6e9ead74528eb07622f2f5c94
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Size
1020KB
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MD5
b00543b6e9ead74528eb07622f2f5c94
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SHA1
36310f1caec808d700c5f8147ebb1b6f60aee09a
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SHA256
075f8ff04a2ce29d55c82f2fabfa76187e0933b6b154614b45d5c5fdd41ed2a3
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SHA512
7f2937a25b363b139839cf491e7e9e2097ab5d469b3d8486aa23782b816fc63a7bd43f522c0fab1780dd80db32a0d5c84df635851ceb1f7d64bffc84e294bd4b
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SSDEEP
6144:YKEGlVcJboOtGY8q75yKC2qJDrNRlpwPBYgZ9fVU93eJwN6QFbSpO4XcA2n4aA8O:YKr3QboC9qLGKgZKe4HYpHvcbTV
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Modifies WinLogon for persistence
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Pykspa family
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UAC bypass
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Detect Pykspa worm
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Adds policy Run key to start application
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Disables RegEdit via registry modification
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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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Impair Defenses: Safe Mode Boot
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Adds Run key to start application
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Checks whether UAC is enabled
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Hijack Execution Flow: Executable Installer File Permissions Weakness
Possible Turn off User Account Control's privilege elevation for standard users.
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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 autorun.inf file
Malware can abuse Windows Autorun to spread further via attached volumes.
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Drops file in System32 directory
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MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
3Registry Run Keys / Startup Folder
2Winlogon Helper DLL
1Hijack Execution Flow
1Executable Installer File Permissions Weakness
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
3Registry Run Keys / Startup Folder
2Winlogon Helper DLL
1Hijack Execution Flow
1Executable Installer File Permissions Weakness
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Hijack Execution Flow
1Executable Installer File Permissions Weakness
1Impair Defenses
2Disable or Modify Tools
1Safe Mode Boot
1Modify Registry
5