Analysis

  • max time kernel
    140s
  • max time network
    47s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-06-2024 09:00

General

  • Target

    0489ae244839c04f3b730e7a3db135ef_JaffaCakes118.exe

  • Size

    200KB

  • MD5

    0489ae244839c04f3b730e7a3db135ef

  • SHA1

    66f54b5ec27a2623a3674e4391d5b3aee286db0c

  • SHA256

    b8796b91c089d9487a2969ff3675cfed0565820bfe1fd20e529c2c474e0b550d

  • SHA512

    c6a929a33dbc1909492a6e1c88b39ade1750a67da9fe5c05884788123854249e2303a2be9469d454fc2910be608e0114879a9ab881549769245e64e9e7ee3537

  • SSDEEP

    3072:hysVrUWgthnnnnnDY1GFIkgs7sH2g1Uj4q11FcffKv4iNuMSGFkpOe:/z2bosFj2fyv4nMSl

Malware Config

Extracted

Family

metasploit

Version

encoder/call4_dword_xor

Signatures

  • MetaSploit

    Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

  • Modifies firewall policy service 3 TTPs 8 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • UPX packed file 9 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Maps connected drives based on registry 3 TTPs 4 IoCs

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

  • Drops file in System32 directory 4 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3540
      • C:\Users\Admin\AppData\Local\Temp\0489ae244839c04f3b730e7a3db135ef_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\0489ae244839c04f3b730e7a3db135ef_JaffaCakes118.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:2972
        • C:\Users\Admin\AppData\Local\Temp\0489ae244839c04f3b730e7a3db135ef_JaffaCakes118.exe
          "C:\Users\Admin\AppData\Local\Temp\0489ae244839c04f3b730e7a3db135ef_JaffaCakes118.exe"
          3⤵
          • Checks computer location settings
          • Maps connected drives based on registry
          • Drops file in System32 directory
          • Modifies registry class
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:4912
          • C:\Windows\SysWOW64\igfxcn86.exe
            "C:\Windows\SysWOW64\igfxcn86.exe" C:\Users\Admin\AppData\Local\Temp\0489AE~1.EXE
            4⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:2928
            • C:\Windows\SysWOW64\igfxcn86.exe
              "C:\Windows\SysWOW64\igfxcn86.exe" C:\Users\Admin\AppData\Local\Temp\0489AE~1.EXE
              5⤵
              • Modifies firewall policy service
              • Deletes itself
              • Executes dropped EXE
              • Adds Run key to start application
              • Maps connected drives based on registry
              • Drops file in System32 directory
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of WriteProcessMemory
              PID:4996

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Persistence

    Create or Modify System Process

    1
    T1543

    Windows Service

    1
    T1543.003

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Privilege Escalation

    Create or Modify System Process

    1
    T1543

    Windows Service

    1
    T1543.003

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Defense Evasion

    Modify Registry

    2
    T1112

    Impair Defenses

    1
    T1562

    Disable or Modify System Firewall

    1
    T1562.004

    Discovery

    Query Registry

    2
    T1012

    System Information Discovery

    3
    T1082

    Peripheral Device Discovery

    1
    T1120

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Windows\SysWOW64\igfxcn86.exe
      Filesize

      200KB

      MD5

      0489ae244839c04f3b730e7a3db135ef

      SHA1

      66f54b5ec27a2623a3674e4391d5b3aee286db0c

      SHA256

      b8796b91c089d9487a2969ff3675cfed0565820bfe1fd20e529c2c474e0b550d

      SHA512

      c6a929a33dbc1909492a6e1c88b39ade1750a67da9fe5c05884788123854249e2303a2be9469d454fc2910be608e0114879a9ab881549769245e64e9e7ee3537

    • memory/4912-0-0x0000000000400000-0x000000000044B000-memory.dmp
      Filesize

      300KB

    • memory/4912-2-0x0000000000400000-0x000000000044B000-memory.dmp
      Filesize

      300KB

    • memory/4912-4-0x0000000000400000-0x000000000044B000-memory.dmp
      Filesize

      300KB

    • memory/4912-3-0x0000000000400000-0x000000000044B000-memory.dmp
      Filesize

      300KB

    • memory/4912-45-0x0000000000400000-0x000000000044B000-memory.dmp
      Filesize

      300KB

    • memory/4996-40-0x0000000000400000-0x0000000000437000-memory.dmp
      Filesize

      220KB

    • memory/4996-44-0x0000000000400000-0x0000000000437000-memory.dmp
      Filesize

      220KB

    • memory/4996-47-0x0000000000400000-0x000000000044B000-memory.dmp
      Filesize

      300KB

    • memory/4996-48-0x0000000000400000-0x000000000044B000-memory.dmp
      Filesize

      300KB