General
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Target
JaffaCakes118_b74f8691313be0c724b71d356c4b9b40
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Size
1016KB
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Sample
250414-lw55mawvay
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MD5
b74f8691313be0c724b71d356c4b9b40
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SHA1
a204d8d3fb87e6de59c77498fc9a0ed9bd50d214
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SHA256
084500d412b1e0afe88f92170791f9045e76c35c1bf57b9e912aaab2bcd1ff6d
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SHA512
be13201bf5c29b776c4d259166ccbbfabee4213aa698c25b77b430a66faf02c0af6cf693bf3ea585d49a3db1cad349769486ad0b7351c58bdb123faf3b33012a
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SSDEEP
6144:0IXsL0tvrSVz1DnemeYbpsnEf78AoXh6KkiD0OofzA+/VygHUzx84a2lXUW:0IXsgtvm1De5YlOx6lzBH46Uzf7lXUW
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_b74f8691313be0c724b71d356c4b9b40.exe
Resource
win10v2004-20250410-en
Malware Config
Targets
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Target
JaffaCakes118_b74f8691313be0c724b71d356c4b9b40
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Size
1016KB
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MD5
b74f8691313be0c724b71d356c4b9b40
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SHA1
a204d8d3fb87e6de59c77498fc9a0ed9bd50d214
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SHA256
084500d412b1e0afe88f92170791f9045e76c35c1bf57b9e912aaab2bcd1ff6d
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SHA512
be13201bf5c29b776c4d259166ccbbfabee4213aa698c25b77b430a66faf02c0af6cf693bf3ea585d49a3db1cad349769486ad0b7351c58bdb123faf3b33012a
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SSDEEP
6144:0IXsL0tvrSVz1DnemeYbpsnEf78AoXh6KkiD0OofzA+/VygHUzx84a2lXUW:0IXsgtvm1De5YlOx6lzBH46Uzf7lXUW
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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