General
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Target
JaffaCakes118_eaf1a52fc96dcb5fccf466c465549382
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Size
556KB
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Sample
250504-mtardabn4t
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MD5
eaf1a52fc96dcb5fccf466c465549382
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SHA1
9f9400463c02833e0d7b3c371b969690c469e57f
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SHA256
4a5dc0a8527388a5a96838556e49988c8e40a511e2f8ac3b19fd7db7fecfc92c
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SHA512
e5141958cc81002d7fa1fd55e20a9f94107068b3278d574b5c70685ed83bf02363372affd6b609acf77cd894e2258fccfc6ad95c208e3f4a7440c28a9e3afe51
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SSDEEP
6144:Yxj6/wndfF/gl0LQIk8DR3dEuAI7pEfxsZozAm9TMdGQLUg1nYmefPImdrionr:Y6onxOp8FySpE5zvIdtU+Ymef
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_eaf1a52fc96dcb5fccf466c465549382.exe
Resource
win10v2004-20250502-en
Malware Config
Targets
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Target
JaffaCakes118_eaf1a52fc96dcb5fccf466c465549382
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Size
556KB
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MD5
eaf1a52fc96dcb5fccf466c465549382
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SHA1
9f9400463c02833e0d7b3c371b969690c469e57f
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SHA256
4a5dc0a8527388a5a96838556e49988c8e40a511e2f8ac3b19fd7db7fecfc92c
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SHA512
e5141958cc81002d7fa1fd55e20a9f94107068b3278d574b5c70685ed83bf02363372affd6b609acf77cd894e2258fccfc6ad95c208e3f4a7440c28a9e3afe51
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SSDEEP
6144:Yxj6/wndfF/gl0LQIk8DR3dEuAI7pEfxsZozAm9TMdGQLUg1nYmefPImdrionr:Y6onxOp8FySpE5zvIdtU+Ymef
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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