General

  • Target

    1cfa59cf9fe17fbacc47910d45236945_JaffaCakes118

  • Size

    4.0MB

  • Sample

    241007-mpm6xa1arm

  • MD5

    1cfa59cf9fe17fbacc47910d45236945

  • SHA1

    fbb6312e00a341bf35f9f5e4c4ac6ba317532d91

  • SHA256

    3412cec072f1a9b403fcc7d2e8de28d0bde2d3a5a2e39089c519c2d12646b644

  • SHA512

    60dba5def860fd88f614a001f1e374b060671636eeba7ea24a482f288bf2648f62e0d8b1ff12081cd5bb81fa49852391296d71ee52c0f07231a0d343ee51d724

  • SSDEEP

    98304:lwfMbhvRDp0/EbYb1Ts7AEA6Ri5np/FOCM3YhHT2JQ3gYUGXd:lwAhlu/EbylsMV6M/NPMIhz+BiXd

Malware Config

Targets

    • Target

      1cfa59cf9fe17fbacc47910d45236945_JaffaCakes118

    • Size

      4.0MB

    • MD5

      1cfa59cf9fe17fbacc47910d45236945

    • SHA1

      fbb6312e00a341bf35f9f5e4c4ac6ba317532d91

    • SHA256

      3412cec072f1a9b403fcc7d2e8de28d0bde2d3a5a2e39089c519c2d12646b644

    • SHA512

      60dba5def860fd88f614a001f1e374b060671636eeba7ea24a482f288bf2648f62e0d8b1ff12081cd5bb81fa49852391296d71ee52c0f07231a0d343ee51d724

    • SSDEEP

      98304:lwfMbhvRDp0/EbYb1Ts7AEA6Ri5np/FOCM3YhHT2JQ3gYUGXd:lwAhlu/EbylsMV6M/NPMIhz+BiXd

    • Modifies Windows Defender notification settings

    • Modifies security service

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Detected Nirsoft tools

      Free utilities often used by attackers which can steal passwords, product keys, etc.

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Blocks application from running via registry modification

      Adds application to list of disallowed applications.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Possible privilege escalation attempt

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Indicator Removal: Clear Windows Event Logs

      Clear Windows Event Logs to hide the activity of an intrusion.

    • Loads dropped DLL

    • Modifies file permissions

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • File and Directory Permissions Modification: Windows File and Directory Permissions Modification

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v15

Tasks