General
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Target
JaffaCakes118_bb9948c3da8fee376e600f5467021131
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Size
320KB
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Sample
250417-3fnn3svzbt
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MD5
bb9948c3da8fee376e600f5467021131
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SHA1
c8fec923c44f9debbce6862b0ce24f6686d6faf5
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SHA256
3dfd0e24cf3ccb5898676f46f706ada8a30636bc3383b2406c1cee28aaf319f3
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SHA512
0351bd5fa851347900fdbe6050c6ccdb2e23b2bb587213b9d08b296fa060adcb4ea81f224877b42426074a6282fb362ce7db3f8d277462f9118fb5bc9f5b340e
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SSDEEP
6144:5Tw4o1IV3puaibGKFHi0mofhaH05kipz016580bHFMWu86JQPDHDdx/QtqR:BmgvmzFHi0mo5aH0qMzd5807FKPJQPDV
Behavioral task
behavioral1
Sample
JaffaCakes118_bb9948c3da8fee376e600f5467021131.exe
Resource
win10v2004-20250314-en
Behavioral task
behavioral2
Sample
JaffaCakes118_bb9948c3da8fee376e600f5467021131.exe
Resource
win11-20250410-en
Malware Config
Targets
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Target
JaffaCakes118_bb9948c3da8fee376e600f5467021131
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Size
320KB
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MD5
bb9948c3da8fee376e600f5467021131
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SHA1
c8fec923c44f9debbce6862b0ce24f6686d6faf5
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SHA256
3dfd0e24cf3ccb5898676f46f706ada8a30636bc3383b2406c1cee28aaf319f3
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SHA512
0351bd5fa851347900fdbe6050c6ccdb2e23b2bb587213b9d08b296fa060adcb4ea81f224877b42426074a6282fb362ce7db3f8d277462f9118fb5bc9f5b340e
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SSDEEP
6144:5Tw4o1IV3puaibGKFHi0mofhaH05kipz016580bHFMWu86JQPDHDdx/QtqR:BmgvmzFHi0mo5aH0qMzd5807FKPJQPDV
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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