General
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Target
JaffaCakes118_a7f97249fa2b28f61a661d6fdf7279bc
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Size
896KB
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Sample
250410-c6gqcaynz4
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MD5
a7f97249fa2b28f61a661d6fdf7279bc
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SHA1
a5dd2dd2616bc20679ef902f7f45cdbcb990aa06
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SHA256
253777944557b0e9330b3ff2cf2de4fa51a0bc549e81e8ab3cd57c8f97fb51b5
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SHA512
0c82b444939bf7bc1c40dfaf445c0a2c13d2b05faa3f4a0ead9a9c7c2cf4223dd15b3d579471510ae7f57c933df46dad3fa0de6eac27a1c9c0afc19d4e62e94b
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SSDEEP
12288:M6onxOp8FySpE5zvIdtU+Ymefwj09jApWCmnkw5Q9hBTfX/GpaJZ:wwp8DozAdO9hNApyQhO0L
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_a7f97249fa2b28f61a661d6fdf7279bc.exe
Resource
win10v2004-20250314-en
Malware Config
Targets
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Target
JaffaCakes118_a7f97249fa2b28f61a661d6fdf7279bc
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Size
896KB
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MD5
a7f97249fa2b28f61a661d6fdf7279bc
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SHA1
a5dd2dd2616bc20679ef902f7f45cdbcb990aa06
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SHA256
253777944557b0e9330b3ff2cf2de4fa51a0bc549e81e8ab3cd57c8f97fb51b5
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SHA512
0c82b444939bf7bc1c40dfaf445c0a2c13d2b05faa3f4a0ead9a9c7c2cf4223dd15b3d579471510ae7f57c933df46dad3fa0de6eac27a1c9c0afc19d4e62e94b
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SSDEEP
12288:M6onxOp8FySpE5zvIdtU+Ymefwj09jApWCmnkw5Q9hBTfX/GpaJZ:wwp8DozAdO9hNApyQhO0L
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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