General
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Target
JaffaCakes118_e16a91a44c53b6910928c112179d4298
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Size
824KB
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Sample
250429-wrfpaawm19
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MD5
e16a91a44c53b6910928c112179d4298
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SHA1
1ea3f82f655090230b49808d555bf9a4168bdff7
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SHA256
8ca08a779bd20e55136bdb46d4791d0d5ada02d473fbe005a31b1aba3a021f3b
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SHA512
75b77b8adb832b46cf6f2d1d881babe13b102de9671e16d541750466f885b717ed8b7cfaf51a2bc96ec89aad69c1a23898387b71d12098705ee3032a96658585
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SSDEEP
12288:XpUJ3r6YkVwJgNnSykgb9cqWnw4q6ZmFhqsG6E1x:XpUNr6YkVRFkgbeqeo68FhqX1x
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_e16a91a44c53b6910928c112179d4298.exe
Resource
win10v2004-20250314-en
Behavioral task
behavioral2
Sample
JaffaCakes118_e16a91a44c53b6910928c112179d4298.exe
Resource
win11-20250410-en
Malware Config
Targets
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Target
JaffaCakes118_e16a91a44c53b6910928c112179d4298
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Size
824KB
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MD5
e16a91a44c53b6910928c112179d4298
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SHA1
1ea3f82f655090230b49808d555bf9a4168bdff7
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SHA256
8ca08a779bd20e55136bdb46d4791d0d5ada02d473fbe005a31b1aba3a021f3b
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SHA512
75b77b8adb832b46cf6f2d1d881babe13b102de9671e16d541750466f885b717ed8b7cfaf51a2bc96ec89aad69c1a23898387b71d12098705ee3032a96658585
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SSDEEP
12288:XpUJ3r6YkVwJgNnSykgb9cqWnw4q6ZmFhqsG6E1x:XpUNr6YkVRFkgbeqeo68FhqX1x
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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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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