General
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Target
JaffaCakes118_a086f669930e1c79cb9a4383c0ed2868
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Size
320KB
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Sample
250407-xr3pgs1rt6
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MD5
a086f669930e1c79cb9a4383c0ed2868
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SHA1
5f11e9cb2e3d2757c8e4d8394b55f5fc033296a7
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SHA256
1a3f33d114b9d1c327289aa5b636217f58863ee81046c8e19f61e6e18d63c760
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SHA512
b1d27e6a32701cfc2b2ec1a85e17a2264682cd0390e7a1ac4177337e220660b3b886aaa8568371562cf2e5b974e054d1eee9beebf4255855ad813b5ab8e5be8f
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SSDEEP
6144:nTwuo1IV3puaibGKFHi0mofhaH05kipz016580bHFrbC86JQPDHDdx/QtqR:TsgvmzFHi0mo5aH0qMzd5807FrWPJQPx
Behavioral task
behavioral1
Sample
JaffaCakes118_a086f669930e1c79cb9a4383c0ed2868.exe
Resource
win10v2004-20250314-en
Malware Config
Targets
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Target
JaffaCakes118_a086f669930e1c79cb9a4383c0ed2868
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Size
320KB
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MD5
a086f669930e1c79cb9a4383c0ed2868
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SHA1
5f11e9cb2e3d2757c8e4d8394b55f5fc033296a7
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SHA256
1a3f33d114b9d1c327289aa5b636217f58863ee81046c8e19f61e6e18d63c760
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SHA512
b1d27e6a32701cfc2b2ec1a85e17a2264682cd0390e7a1ac4177337e220660b3b886aaa8568371562cf2e5b974e054d1eee9beebf4255855ad813b5ab8e5be8f
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SSDEEP
6144:nTwuo1IV3puaibGKFHi0mofhaH05kipz016580bHFrbC86JQPDHDdx/QtqR:TsgvmzFHi0mo5aH0qMzd5807FrWPJQPx
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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 file in System32 directory
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MITRE ATT&CK Enterprise v15
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