General
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Target
JaffaCakes118_ea9fc811b91973a13c63b190d002ebbd
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Size
476KB
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Sample
250504-lsgmvsak7w
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MD5
ea9fc811b91973a13c63b190d002ebbd
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SHA1
aae8d78523d0d0f3cd158b8de8f6126bc1cdc1da
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SHA256
3dc60726d80012ff95948766de4616818e54734adb2651b22880344ebed20fcc
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SHA512
dc3b69a0e1572ea03fedbaf4634fd897be94d1be639d8a6cf46e6510f96873c83809c2be8135fd9290df5f107f5debac714de9a6f28f185efec77f51b40a5ade
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SSDEEP
12288:tpUJ3r6YkVwJgNnSykgb9cqWnw4q6ZmFhqsT6:tpUNr6YkVRFkgbeqeo68FhqW6
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_ea9fc811b91973a13c63b190d002ebbd.exe
Resource
win10v2004-20250502-en
Malware Config
Targets
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Target
JaffaCakes118_ea9fc811b91973a13c63b190d002ebbd
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Size
476KB
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MD5
ea9fc811b91973a13c63b190d002ebbd
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SHA1
aae8d78523d0d0f3cd158b8de8f6126bc1cdc1da
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SHA256
3dc60726d80012ff95948766de4616818e54734adb2651b22880344ebed20fcc
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SHA512
dc3b69a0e1572ea03fedbaf4634fd897be94d1be639d8a6cf46e6510f96873c83809c2be8135fd9290df5f107f5debac714de9a6f28f185efec77f51b40a5ade
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SSDEEP
12288:tpUJ3r6YkVwJgNnSykgb9cqWnw4q6ZmFhqsT6:tpUNr6YkVRFkgbeqeo68FhqW6
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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