General
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Target
JaffaCakes118_b248fe8b370f8fcb43c669473faf2b6e
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Size
824KB
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Sample
250412-pyqz9svvdy
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MD5
b248fe8b370f8fcb43c669473faf2b6e
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SHA1
608fe88e45ea2939f616d60ac94ad1d3cf15b02b
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SHA256
99be2fccaa08c521f7eb1828d6b1620a439a9b9a9945b5dfe617a1bf07f9ef75
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SHA512
aa076579580c4a800995cb6b05a4fcce39668266a52cc31b515b64d38828c007f4a10ed018d54adad015e49cac3a26e804ed575bf07ebe7c36e8dbc3b6182eb8
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SSDEEP
12288:npUJ3r6YkVwJgNnSykgb9cqWnw4q6ZmFhqs5S73cMKmA:npUNr6YkVRFkgbeqeo68FhqaS7MMM
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_b248fe8b370f8fcb43c669473faf2b6e.exe
Resource
win10v2004-20250410-en
Malware Config
Targets
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Target
JaffaCakes118_b248fe8b370f8fcb43c669473faf2b6e
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Size
824KB
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MD5
b248fe8b370f8fcb43c669473faf2b6e
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SHA1
608fe88e45ea2939f616d60ac94ad1d3cf15b02b
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SHA256
99be2fccaa08c521f7eb1828d6b1620a439a9b9a9945b5dfe617a1bf07f9ef75
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SHA512
aa076579580c4a800995cb6b05a4fcce39668266a52cc31b515b64d38828c007f4a10ed018d54adad015e49cac3a26e804ed575bf07ebe7c36e8dbc3b6182eb8
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SSDEEP
12288:npUJ3r6YkVwJgNnSykgb9cqWnw4q6ZmFhqs5S73cMKmA:npUNr6YkVRFkgbeqeo68FhqaS7MMM
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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