General
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Target
JaffaCakes118_bad3aa8bfd42552d828c35c8202f43f6
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Size
596KB
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Sample
250417-x5ql3s1rz4
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MD5
bad3aa8bfd42552d828c35c8202f43f6
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SHA1
8e4baedd28bfa1b0cad3643a3dee24449a0a1df9
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SHA256
395f67fccccbea1c99cb243f2ff7994bfc211a19b3e3b583be219265b060d828
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SHA512
ec58caa9b81e0f590f38b2592fab525b2f1efd3ab7fe89009dfc6bf8cf35c713d487f2ae9038175545261e3071901ec82699e302b07159de0543727c8a430421
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SSDEEP
6144:1IXsL0tvrSVz1DnemeYbpsnEf78AoXh6KkiD0OofzA+/VygHUBoIgw4aRpgv6:1IXsgtvm1De5YlOx6lzBH46UBoFS
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_bad3aa8bfd42552d828c35c8202f43f6.exe
Resource
win10v2004-20250410-en
Behavioral task
behavioral2
Sample
JaffaCakes118_bad3aa8bfd42552d828c35c8202f43f6.exe
Resource
win11-20250410-en
Malware Config
Targets
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Target
JaffaCakes118_bad3aa8bfd42552d828c35c8202f43f6
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Size
596KB
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MD5
bad3aa8bfd42552d828c35c8202f43f6
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SHA1
8e4baedd28bfa1b0cad3643a3dee24449a0a1df9
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SHA256
395f67fccccbea1c99cb243f2ff7994bfc211a19b3e3b583be219265b060d828
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SHA512
ec58caa9b81e0f590f38b2592fab525b2f1efd3ab7fe89009dfc6bf8cf35c713d487f2ae9038175545261e3071901ec82699e302b07159de0543727c8a430421
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SSDEEP
6144:1IXsL0tvrSVz1DnemeYbpsnEf78AoXh6KkiD0OofzA+/VygHUBoIgw4aRpgv6:1IXsgtvm1De5YlOx6lzBH46UBoFS
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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