General
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Target
JaffaCakes118_d149ebdd8f6cdf03b263d99bc14355ad
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Size
564KB
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Sample
250423-gcrqnsysay
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MD5
d149ebdd8f6cdf03b263d99bc14355ad
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SHA1
777820d42063126687be01f30fc279e972994c5f
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SHA256
32510832786c8c03e0f41c41e7f5de58f74e57ccfdacaae4468db0bd7a3dce15
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SHA512
2dbe97aa0e8ff49e40c5426d03f2211d7894d09ecb463341dc8ff213a7683de869f959a414fd4ae5ccf9f00d7c5dbd7a2812ab8207665da964a055f8ebf24ab9
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SSDEEP
12288:qpUJ3r6YkVwJgNnSykgb9cqWnw4q6ZmFhqsQg:qpUNr6YkVRFkgbeqeo68FhqR
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_d149ebdd8f6cdf03b263d99bc14355ad.exe
Resource
win10v2004-20250314-en
Behavioral task
behavioral2
Sample
JaffaCakes118_d149ebdd8f6cdf03b263d99bc14355ad.exe
Resource
win11-20250410-en
Malware Config
Targets
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Target
JaffaCakes118_d149ebdd8f6cdf03b263d99bc14355ad
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Size
564KB
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MD5
d149ebdd8f6cdf03b263d99bc14355ad
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SHA1
777820d42063126687be01f30fc279e972994c5f
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SHA256
32510832786c8c03e0f41c41e7f5de58f74e57ccfdacaae4468db0bd7a3dce15
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SHA512
2dbe97aa0e8ff49e40c5426d03f2211d7894d09ecb463341dc8ff213a7683de869f959a414fd4ae5ccf9f00d7c5dbd7a2812ab8207665da964a055f8ebf24ab9
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SSDEEP
12288:qpUJ3r6YkVwJgNnSykgb9cqWnw4q6ZmFhqsQg:qpUNr6YkVRFkgbeqeo68FhqR
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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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Blocklisted process makes network request
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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