General
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Target
JaffaCakes118_8dff3b4a70e2f731ac76b54a2cae9976
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Size
760KB
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Sample
250329-v6bhfaysgx
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MD5
8dff3b4a70e2f731ac76b54a2cae9976
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SHA1
918d5bb23fd717a572443e4cbde6b5a5aff5382f
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SHA256
fef766aad31029b9fa7a34197dac3e35e0526d9b18e68e02579961117b42cf8f
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SHA512
d1bdcd9501ce5ce10989fce29276c587f537817bdb11299bf3a9c1cb0777842372a2c083f860f858eb479926b9f00ae1fecca85b075245a4d5cfe2400897d0c5
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SSDEEP
12288:R6onxOp8FySpE5zvIdtU+YmefF88FoTTlkCzGsj:nwp8DozAdO9F2lLz5
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_8dff3b4a70e2f731ac76b54a2cae9976.exe
Resource
win7-20250207-en
Behavioral task
behavioral2
Sample
JaffaCakes118_8dff3b4a70e2f731ac76b54a2cae9976.exe
Resource
win10v2004-20250314-en
Malware Config
Targets
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Target
JaffaCakes118_8dff3b4a70e2f731ac76b54a2cae9976
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Size
760KB
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MD5
8dff3b4a70e2f731ac76b54a2cae9976
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SHA1
918d5bb23fd717a572443e4cbde6b5a5aff5382f
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SHA256
fef766aad31029b9fa7a34197dac3e35e0526d9b18e68e02579961117b42cf8f
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SHA512
d1bdcd9501ce5ce10989fce29276c587f537817bdb11299bf3a9c1cb0777842372a2c083f860f858eb479926b9f00ae1fecca85b075245a4d5cfe2400897d0c5
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SSDEEP
12288:R6onxOp8FySpE5zvIdtU+YmefF88FoTTlkCzGsj:nwp8DozAdO9F2lLz5
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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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Blocklisted process makes network request
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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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Loads dropped DLL
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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 v15
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