General
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Target
JaffaCakes118_ac18028c305cd56e3120e32a8964ad0d
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Size
808KB
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Sample
250410-3vz1navmx3
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MD5
ac18028c305cd56e3120e32a8964ad0d
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SHA1
79e012db4e4c849db0a8cd7dfe9b57a4ef0ef8f5
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SHA256
2a68112962920e1a64313e1dd8519f80c400636e68451c55e99729b166617e5b
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SHA512
7ff46425c72b28a2046f20bbf1fd146451423e081ceead8934416ac1c4fb9b08e86eed769768968836309df204d42b99a67fdb447fb0cbc45ce2b5cf255f00a3
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SSDEEP
6144:wmXqNhOPOUFLccF/nHkcPLRFB/fhLeiNruEnOldMrhJ11PUM1nF1WPz:wmaNhOPnxBnHkapLjTn/rhlUy1W7
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_ac18028c305cd56e3120e32a8964ad0d.exe
Resource
win10v2004-20250314-en
Malware Config
Targets
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Target
JaffaCakes118_ac18028c305cd56e3120e32a8964ad0d
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Size
808KB
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MD5
ac18028c305cd56e3120e32a8964ad0d
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SHA1
79e012db4e4c849db0a8cd7dfe9b57a4ef0ef8f5
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SHA256
2a68112962920e1a64313e1dd8519f80c400636e68451c55e99729b166617e5b
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SHA512
7ff46425c72b28a2046f20bbf1fd146451423e081ceead8934416ac1c4fb9b08e86eed769768968836309df204d42b99a67fdb447fb0cbc45ce2b5cf255f00a3
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SSDEEP
6144:wmXqNhOPOUFLccF/nHkcPLRFB/fhLeiNruEnOldMrhJ11PUM1nF1WPz:wmaNhOPnxBnHkapLjTn/rhlUy1W7
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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