General
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Target
JaffaCakes118_eb3f578f72df6a4234e5e4f55050c66c
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Size
644KB
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Sample
250504-nvgrravlw3
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MD5
eb3f578f72df6a4234e5e4f55050c66c
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SHA1
2e0df68ba7ac215c6ccae2af569d22c24604c50d
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SHA256
1aab93c231ce9fc4727da3e7397f9ca5faa287a0d46b733d508f5a12ea11ddfa
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SHA512
c9cc3dfbba9dd1a2749e861d356af3b5247322e786f4f478797489e527569f68c42d0b4050aa531092e92d5e905ea28d4f7bbf21f915d0862ae405dd22775cd5
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SSDEEP
12288:T6onxOp8FySpE5zvIdtU+YmefT9/mqOplf2AQNWxgqFjj:pwp8DozAdO98fplf2MJ
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_eb3f578f72df6a4234e5e4f55050c66c.exe
Resource
win10v2004-20250502-en
Behavioral task
behavioral2
Sample
JaffaCakes118_eb3f578f72df6a4234e5e4f55050c66c.exe
Resource
win11-20250502-en
Malware Config
Targets
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Target
JaffaCakes118_eb3f578f72df6a4234e5e4f55050c66c
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Size
644KB
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MD5
eb3f578f72df6a4234e5e4f55050c66c
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SHA1
2e0df68ba7ac215c6ccae2af569d22c24604c50d
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SHA256
1aab93c231ce9fc4727da3e7397f9ca5faa287a0d46b733d508f5a12ea11ddfa
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SHA512
c9cc3dfbba9dd1a2749e861d356af3b5247322e786f4f478797489e527569f68c42d0b4050aa531092e92d5e905ea28d4f7bbf21f915d0862ae405dd22775cd5
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SSDEEP
12288:T6onxOp8FySpE5zvIdtU+YmefT9/mqOplf2AQNWxgqFjj:pwp8DozAdO98fplf2MJ
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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