General
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Target
JaffaCakes118_8abe43cb15a9dd8d69f77c0c833c6809
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Size
600KB
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Sample
250328-rh4brsw1f1
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MD5
8abe43cb15a9dd8d69f77c0c833c6809
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SHA1
a011f0a13161d2dac9f01e609af99a4afc39b871
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SHA256
fab208d4fde711f95e4da7fdfe3d7855f866bd2f367570aac74320952291faa1
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SHA512
e66d77f0df46f46d278a9c22f204d346cbc9a4028d433307967421c9d62f4d54d26d5c8cd23511e733941c15b086e9d92925d5d55c5402770bdd90b509df2b1a
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SSDEEP
12288:46onxOp8FySpE5zvIdtU+YmefaRfMMMMM2MMMMM:swp8DozAdO9aRfMMMMM2MMMMM
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_8abe43cb15a9dd8d69f77c0c833c6809.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
JaffaCakes118_8abe43cb15a9dd8d69f77c0c833c6809.exe
Resource
win10v2004-20250314-en
Malware Config
Targets
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Target
JaffaCakes118_8abe43cb15a9dd8d69f77c0c833c6809
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Size
600KB
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MD5
8abe43cb15a9dd8d69f77c0c833c6809
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SHA1
a011f0a13161d2dac9f01e609af99a4afc39b871
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SHA256
fab208d4fde711f95e4da7fdfe3d7855f866bd2f367570aac74320952291faa1
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SHA512
e66d77f0df46f46d278a9c22f204d346cbc9a4028d433307967421c9d62f4d54d26d5c8cd23511e733941c15b086e9d92925d5d55c5402770bdd90b509df2b1a
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SSDEEP
12288:46onxOp8FySpE5zvIdtU+YmefaRfMMMMM2MMMMM:swp8DozAdO9aRfMMMMM2MMMMM
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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