General
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Target
JaffaCakes118_a9e8533a1c40de9c36691851bb410b12
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Size
320KB
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Sample
250410-nsmvzszxex
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MD5
a9e8533a1c40de9c36691851bb410b12
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SHA1
8fdde9ed2927419667fa94bc3575dbc61207a646
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SHA256
2d58d67a6ed8f28a9cd9548f5134dae0f5a18d6faadb520715b624216fa0e404
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SHA512
f72b1ec86fee1a06597ffc7afe499437fdb3c22484c374ac22f48013455ef7cff9bf90776e394a3c347d02a798fb75bd36d7b069da17ea129230c73b212ff55e
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SSDEEP
6144:9TwEo1IV3puaibGKFHi0mofhaH05kipz016580bHFMdkhq86JQPDHDdx/QtqR:NCgvmzFHi0mo5aH0qMzd5807F7qPJQPx
Behavioral task
behavioral1
Sample
JaffaCakes118_a9e8533a1c40de9c36691851bb410b12.exe
Resource
win10v2004-20250314-en
Malware Config
Targets
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Target
JaffaCakes118_a9e8533a1c40de9c36691851bb410b12
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Size
320KB
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MD5
a9e8533a1c40de9c36691851bb410b12
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SHA1
8fdde9ed2927419667fa94bc3575dbc61207a646
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SHA256
2d58d67a6ed8f28a9cd9548f5134dae0f5a18d6faadb520715b624216fa0e404
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SHA512
f72b1ec86fee1a06597ffc7afe499437fdb3c22484c374ac22f48013455ef7cff9bf90776e394a3c347d02a798fb75bd36d7b069da17ea129230c73b212ff55e
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SSDEEP
6144:9TwEo1IV3puaibGKFHi0mofhaH05kipz016580bHFMdkhq86JQPDHDdx/QtqR:NCgvmzFHi0mo5aH0qMzd5807F7qPJQPx
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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