General
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Target
JaffaCakes118_de201b27f393d06240b3c14dc7d43e3d
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Size
464KB
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Sample
250428-mpj49aswfz
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MD5
de201b27f393d06240b3c14dc7d43e3d
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SHA1
661d249c6f46a85958c3af13458c3f42666d7621
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SHA256
332a36217af84582eb0f36d841976508c1ccb7fcd638e90684d50b5763b9f617
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SHA512
5bbf39ea2136054ae3d817d5d3b1a86a9a3481b4a8ebee5a347be0ff36e1f86b825ba15369e92c2771e6190aa230d9ce78bfcb75282e5466208d08f2c3aa24ee
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SSDEEP
6144:Bj6/wndfF/gl0LQIk8DR3dEuAI7pEfxsZozAm9TMdGQLUg1nYmefPImdriong:x6onxOp8FySpE5zvIdtU+Ymefs
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_de201b27f393d06240b3c14dc7d43e3d.exe
Resource
win10v2004-20250410-en
Behavioral task
behavioral2
Sample
JaffaCakes118_de201b27f393d06240b3c14dc7d43e3d.exe
Resource
win11-20250410-en
Malware Config
Targets
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Target
JaffaCakes118_de201b27f393d06240b3c14dc7d43e3d
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Size
464KB
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MD5
de201b27f393d06240b3c14dc7d43e3d
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SHA1
661d249c6f46a85958c3af13458c3f42666d7621
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SHA256
332a36217af84582eb0f36d841976508c1ccb7fcd638e90684d50b5763b9f617
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SHA512
5bbf39ea2136054ae3d817d5d3b1a86a9a3481b4a8ebee5a347be0ff36e1f86b825ba15369e92c2771e6190aa230d9ce78bfcb75282e5466208d08f2c3aa24ee
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SSDEEP
6144:Bj6/wndfF/gl0LQIk8DR3dEuAI7pEfxsZozAm9TMdGQLUg1nYmefPImdriong:x6onxOp8FySpE5zvIdtU+Ymefs
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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