Analysis

  • max time kernel
    149s
  • max time network
    53s
  • 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 09:58

General

  • Target

    04f4f26f908356670125c191154646bc_JaffaCakes118.exe

  • Size

    214KB

  • MD5

    04f4f26f908356670125c191154646bc

  • SHA1

    31ec52a279d495ab7bd9b783d0fcc21c296f9ad8

  • SHA256

    18388fa9806280bb2adeb9bf08415c5e6b459c4b1096c8d70a8cd12e89473033

  • SHA512

    db06fa8135b1c168b53cf9cad63bc07173583f626c32ec5d0889baf9d35e2193109e602d9624540067b3a04f9b094a607f73bf2568aaf2ed202b19d406be6611

  • SSDEEP

    3072:s/Dti2aJ8rOLkMMAJJi/+hIYwydr5EYRUX5eQ/auAMXzezZkIK9IEctfqSbEUwXV:ss2xrOAbA8+uYiTCuAMjsX9EctfJYDnz

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 11 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:3528
      • C:\Users\Admin\AppData\Local\Temp\04f4f26f908356670125c191154646bc_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\04f4f26f908356670125c191154646bc_JaffaCakes118.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:2528
        • C:\Users\Admin\AppData\Local\Temp\04f4f26f908356670125c191154646bc_JaffaCakes118.exe
          "C:\Users\Admin\AppData\Local\Temp\04f4f26f908356670125c191154646bc_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:4304
          • C:\Windows\SysWOW64\igfxbt86.exe
            "C:\Windows\SysWOW64\igfxbt86.exe" C:\Users\Admin\AppData\Local\Temp\04F4F2~1.EXE
            4⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:4308
            • C:\Windows\SysWOW64\igfxbt86.exe
              "C:\Windows\SysWOW64\igfxbt86.exe" C:\Users\Admin\AppData\Local\Temp\04F4F2~1.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:2148

    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\igfxbt86.exe
      Filesize

      214KB

      MD5

      04f4f26f908356670125c191154646bc

      SHA1

      31ec52a279d495ab7bd9b783d0fcc21c296f9ad8

      SHA256

      18388fa9806280bb2adeb9bf08415c5e6b459c4b1096c8d70a8cd12e89473033

      SHA512

      db06fa8135b1c168b53cf9cad63bc07173583f626c32ec5d0889baf9d35e2193109e602d9624540067b3a04f9b094a607f73bf2568aaf2ed202b19d406be6611

    • memory/2148-44-0x0000000000400000-0x000000000044C000-memory.dmp
      Filesize

      304KB

    • memory/2148-48-0x0000000000400000-0x000000000044C000-memory.dmp
      Filesize

      304KB

    • memory/2148-49-0x0000000000400000-0x000000000044C000-memory.dmp
      Filesize

      304KB

    • memory/2148-50-0x0000000000400000-0x000000000044C000-memory.dmp
      Filesize

      304KB

    • memory/4304-0-0x0000000000400000-0x000000000044C000-memory.dmp
      Filesize

      304KB

    • memory/4304-2-0x0000000000400000-0x0000000000444000-memory.dmp
      Filesize

      272KB

    • memory/4304-3-0x0000000000400000-0x000000000044C000-memory.dmp
      Filesize

      304KB

    • memory/4304-5-0x0000000000400000-0x000000000044C000-memory.dmp
      Filesize

      304KB

    • memory/4304-4-0x0000000000400000-0x000000000044C000-memory.dmp
      Filesize

      304KB

    • memory/4304-45-0x0000000000400000-0x000000000044C000-memory.dmp
      Filesize

      304KB

    • memory/4304-47-0x0000000000400000-0x0000000000444000-memory.dmp
      Filesize

      272KB