General
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Target
JaffaCakes118_9f09c9ceb28bbf292681b6987df891f7
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Size
284KB
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Sample
250407-pav93s1nw4
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MD5
9f09c9ceb28bbf292681b6987df891f7
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SHA1
8cf55dafe7c66e103014f743aef9fdf301a7860a
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SHA256
968e84a5581220ed0fc6ba70b02644cf8ea39a2755c3afb05d4ee3dc2144f682
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SHA512
c18a711d3bf9add842fccc4aad7cf83c5870dffe5b022f57cab5548472048ff259741390fcc37f79998434ff3cfc339c23edddef43851c6b7fcf667a4301da9c
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SSDEEP
6144:12iIJ4W9Z/o7p0RhGfFHyy3u9vLrr586JQPDHDdx/Qtq8:wVrhGdHyy3Czr1PJQPDHvd
Behavioral task
behavioral1
Sample
JaffaCakes118_9f09c9ceb28bbf292681b6987df891f7.exe
Resource
win10v2004-20250314-en
Malware Config
Targets
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Target
JaffaCakes118_9f09c9ceb28bbf292681b6987df891f7
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Size
284KB
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MD5
9f09c9ceb28bbf292681b6987df891f7
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SHA1
8cf55dafe7c66e103014f743aef9fdf301a7860a
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SHA256
968e84a5581220ed0fc6ba70b02644cf8ea39a2755c3afb05d4ee3dc2144f682
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SHA512
c18a711d3bf9add842fccc4aad7cf83c5870dffe5b022f57cab5548472048ff259741390fcc37f79998434ff3cfc339c23edddef43851c6b7fcf667a4301da9c
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SSDEEP
6144:12iIJ4W9Z/o7p0RhGfFHyy3u9vLrr586JQPDHDdx/Qtq8:wVrhGdHyy3Czr1PJQPDHvd
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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 v15
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