General
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Target
JaffaCakes118_e3bf592451146cacc44ce4b3288e7ed6
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Size
964KB
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Sample
250503-ma3m2sgp6w
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MD5
e3bf592451146cacc44ce4b3288e7ed6
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SHA1
70e5c489ac437b80953f1a4095b89e845ccc24a6
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SHA256
ec3581c4cfad9aef9754dbf3e30156d6b557b3eadacbd8ba40b70db129396470
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SHA512
3b628dab009747de2db49212f337cd775b747946c0928d2e304cda9c0a55a51d18a62027e966d4205aa13671a5aaf30c8db70cc0b51e3de4fcf60efee50719f9
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SSDEEP
12288:VYBX/tQDwmHtOwu/ctCKaCDnEQvPg5I2R3:VY2w+tOwuMCeEOPp83
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_e3bf592451146cacc44ce4b3288e7ed6.exe
Resource
win10v2004-20250314-en
Malware Config
Targets
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Target
JaffaCakes118_e3bf592451146cacc44ce4b3288e7ed6
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Size
964KB
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MD5
e3bf592451146cacc44ce4b3288e7ed6
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SHA1
70e5c489ac437b80953f1a4095b89e845ccc24a6
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SHA256
ec3581c4cfad9aef9754dbf3e30156d6b557b3eadacbd8ba40b70db129396470
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SHA512
3b628dab009747de2db49212f337cd775b747946c0928d2e304cda9c0a55a51d18a62027e966d4205aa13671a5aaf30c8db70cc0b51e3de4fcf60efee50719f9
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SSDEEP
12288:VYBX/tQDwmHtOwu/ctCKaCDnEQvPg5I2R3:VY2w+tOwuMCeEOPp83
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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 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