General
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Target
JaffaCakes118_dbfebfcccbacf0bab0c6674b3ba8ea91
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Size
320KB
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Sample
250428-eellbs1tcx
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MD5
dbfebfcccbacf0bab0c6674b3ba8ea91
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SHA1
0265115662ff1c6cecd153525c3e88d8439708a8
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SHA256
296968043dbf6bcf99749b25fbddca245ca799d7d7f74430f0ab76097cd5b42d
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SHA512
a36c181b448ce5cc71fb8061e77bb6306a9de522814763197349527dde889c28fc4f0ad60f3aef6a8a01ab86fa0c27e90a4e50475ec015c9c40c328698feabe7
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SSDEEP
6144:hTwEo1IV3puaibGKFHi0mofhaH05kipz016580bHFMdkhq86JQPDHDdx/QtqR:5CgvmzFHi0mo5aH0qMzd5807F7qPJQPx
Behavioral task
behavioral1
Sample
JaffaCakes118_dbfebfcccbacf0bab0c6674b3ba8ea91.exe
Resource
win10v2004-20250410-en
Behavioral task
behavioral2
Sample
JaffaCakes118_dbfebfcccbacf0bab0c6674b3ba8ea91.exe
Resource
win11-20250410-en
Malware Config
Targets
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Target
JaffaCakes118_dbfebfcccbacf0bab0c6674b3ba8ea91
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Size
320KB
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MD5
dbfebfcccbacf0bab0c6674b3ba8ea91
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SHA1
0265115662ff1c6cecd153525c3e88d8439708a8
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SHA256
296968043dbf6bcf99749b25fbddca245ca799d7d7f74430f0ab76097cd5b42d
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SHA512
a36c181b448ce5cc71fb8061e77bb6306a9de522814763197349527dde889c28fc4f0ad60f3aef6a8a01ab86fa0c27e90a4e50475ec015c9c40c328698feabe7
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SSDEEP
6144:hTwEo1IV3puaibGKFHi0mofhaH05kipz016580bHFMdkhq86JQPDHDdx/QtqR:5CgvmzFHi0mo5aH0qMzd5807F7qPJQPx
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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