General
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Target
JaffaCakes118_b4fe986f603c8689f0e3be5b60cc856e
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Size
524KB
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Sample
250413-sjp17sytdx
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MD5
b4fe986f603c8689f0e3be5b60cc856e
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SHA1
4989bebdf2b66cec09efe777715577b21e5fec5e
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SHA256
ce16cfb716ea2a3ebb272428883f5b7375f2b38c5eeff3c4e455baa9a9fb0168
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SHA512
b5b057b7d9a79abd6d857c50767075e480bd3bb3d6dee512c9d517c851e242e42d0e05263010c719b870308bc728908345310280c2b3431a72b8ffc50533b94e
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SSDEEP
12288:fg5pBHxXptbN5ZRgOiBjw/C0AWzFjbWOeEEs:qH7tbrbIBjwuWRmLEn
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_b4fe986f603c8689f0e3be5b60cc856e.exe
Resource
win10v2004-20250410-en
Malware Config
Targets
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Target
JaffaCakes118_b4fe986f603c8689f0e3be5b60cc856e
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Size
524KB
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MD5
b4fe986f603c8689f0e3be5b60cc856e
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SHA1
4989bebdf2b66cec09efe777715577b21e5fec5e
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SHA256
ce16cfb716ea2a3ebb272428883f5b7375f2b38c5eeff3c4e455baa9a9fb0168
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SHA512
b5b057b7d9a79abd6d857c50767075e480bd3bb3d6dee512c9d517c851e242e42d0e05263010c719b870308bc728908345310280c2b3431a72b8ffc50533b94e
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SSDEEP
12288:fg5pBHxXptbN5ZRgOiBjw/C0AWzFjbWOeEEs:qH7tbrbIBjwuWRmLEn
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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