General
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Target
JaffaCakes118_d144c0efbc23a3f0909539318e69e0e3
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Size
624KB
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Sample
250423-f8axcsxzgv
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MD5
d144c0efbc23a3f0909539318e69e0e3
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SHA1
24cf753a5c0d0e120cf5c5d27d989898e084cf9c
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SHA256
cd95261ea21f20e835255a2beeabd6c67672c2e77fb23c2a2e9be78663d4fc8a
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SHA512
f20451437f9888a6bb8a786105f022bff0647b59e468acdbed352a22259e3fb2cc9e1f94784ac982106078576a5ef028b5b507750cd184faed3c87ada969da96
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SSDEEP
12288:3pUJ3r6YkVwJgNnSykgb9cqWnw4q6ZmFhqsYI:3pUNr6YkVRFkgbeqeo68Fhq5I
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_d144c0efbc23a3f0909539318e69e0e3.exe
Resource
win10v2004-20250314-en
Behavioral task
behavioral2
Sample
JaffaCakes118_d144c0efbc23a3f0909539318e69e0e3.exe
Resource
win11-20250410-en
Malware Config
Targets
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Target
JaffaCakes118_d144c0efbc23a3f0909539318e69e0e3
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Size
624KB
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MD5
d144c0efbc23a3f0909539318e69e0e3
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SHA1
24cf753a5c0d0e120cf5c5d27d989898e084cf9c
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SHA256
cd95261ea21f20e835255a2beeabd6c67672c2e77fb23c2a2e9be78663d4fc8a
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SHA512
f20451437f9888a6bb8a786105f022bff0647b59e468acdbed352a22259e3fb2cc9e1f94784ac982106078576a5ef028b5b507750cd184faed3c87ada969da96
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SSDEEP
12288:3pUJ3r6YkVwJgNnSykgb9cqWnw4q6ZmFhqsYI:3pUNr6YkVRFkgbeqeo68Fhq5I
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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 autorun.inf file
Malware can abuse Windows Autorun to spread further via attached volumes.
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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