General
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Target
JaffaCakes118_a8a6afa326f55f4aa211c165806a8edd
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Size
540KB
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Sample
250410-ggnvkssps3
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MD5
a8a6afa326f55f4aa211c165806a8edd
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SHA1
caf867e23c1ddd04a52e1b935fdafccdaa223439
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SHA256
0ca8dc9d9d8469d78ea8045f74e52243759e52e09f480116f54289672d23b99a
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SHA512
2b57c4dfea7d1965a31fb22285d77165ae46502b38566c25c4a101f27af9b32801846c2d03313a4c87ba8049d7362a19a061a9be9b19b502767c58e078bbe39d
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SSDEEP
6144:pj6/wndfF/gl0LQIk8DR3dEuAI7pEfxsZozAm9TMdGQLUg1nYmefPImdrion:Z6onxOp8FySpE5zvIdtU+Ymef
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_a8a6afa326f55f4aa211c165806a8edd.exe
Resource
win10v2004-20250313-en
Malware Config
Targets
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Target
JaffaCakes118_a8a6afa326f55f4aa211c165806a8edd
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Size
540KB
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MD5
a8a6afa326f55f4aa211c165806a8edd
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SHA1
caf867e23c1ddd04a52e1b935fdafccdaa223439
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SHA256
0ca8dc9d9d8469d78ea8045f74e52243759e52e09f480116f54289672d23b99a
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SHA512
2b57c4dfea7d1965a31fb22285d77165ae46502b38566c25c4a101f27af9b32801846c2d03313a4c87ba8049d7362a19a061a9be9b19b502767c58e078bbe39d
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SSDEEP
6144:pj6/wndfF/gl0LQIk8DR3dEuAI7pEfxsZozAm9TMdGQLUg1nYmefPImdrion:Z6onxOp8FySpE5zvIdtU+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 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