Analysis

  • max time kernel
    140s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/08/2024, 16:57

General

  • Target

    b868f2b3f0ba31837059454b6e708d59_JaffaCakes118.exe

  • Size

    734KB

  • MD5

    b868f2b3f0ba31837059454b6e708d59

  • SHA1

    b89d1e1d51c2a6b9fd27cccdd4db7bebb4c044f5

  • SHA256

    2bfed9c27f587ecc4206f4adb7eaaa830fe7ebf617cf0257825c49be66a34ef2

  • SHA512

    92cdbe51f0bb27257e07a5e0c888c745722d2c1caab6dae30f382c899724dede49a18e02a7799e52d3caf76039a999eeb53a564d48ee09d733f27f6fc46aaf69

  • SSDEEP

    12288:bkZMrKuT9eES2EGfKMlAvDuicrvXRKmtKDgGeIttwoPR5pWZhAIRXHYnrmN:bkZCXTqjMWvVcLXRxKlFttwYQRXHYrmN

Malware Config

Signatures

  • Modifies Windows Firewall 2 TTPs 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 6 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b868f2b3f0ba31837059454b6e708d59_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\b868f2b3f0ba31837059454b6e708d59_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1056
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir "C:\Users\Admin\AppData\Local\DirectDownloader"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4648
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C echo ifms > "C:\Users\Admin\AppData\Local\DirectDownloader\directdownloader.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1332
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C netsh firewall delete allowedprogram "C:\Users\Admin\AppData\Local\DirectDownloader\directdownloader.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2900
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall delete allowedprogram "C:\Users\Admin\AppData\Local\DirectDownloader\directdownloader.exe"
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:3756
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\DirectDownloader\directdownloader.exe" "DirectDownloader" ENABLE
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1112
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\DirectDownloader\directdownloader.exe" "DirectDownloader" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:2620

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\DirectDownloader\directdownloader.exe

          Filesize

          7B

          MD5

          824ab679eea19c5b43b186800c2c625f

          SHA1

          f8b90bc89117ac4f1a272e7acef952a79a64b617

          SHA256

          f6d4a23bd6b412e4d4906cbd1c56dcbcf5ddd96b6a9098ceba96be94e52f7ab3

          SHA512

          e13bb9c005c2acb412916bf0f4a37b39c2800298042d5344b877143d1b767342903c9bb3e8d4eda75f37cc323b5f623d6bf34629d2c999c7df316de4ffd3caf4

        • C:\Users\Admin\AppData\Local\Temp\stub_ddlr.exe

          Filesize

          155KB

          MD5

          e1098470152dc10fb29b3ad7b4e5f5cf

          SHA1

          ae5a796340be8f0912d6c85f81dce21211aaaf15

          SHA256

          3832d19f80a84069c5010266fa3cf11eee5bb1c3d1b2ba278e49519519561b8a

          SHA512

          0ba3a53a3021be99aaf5cf8af54f214feea0f80f112a7ffb209b4c2c0539f8b8b6cd087ba7ed6501c9b79e0a9496494e471ac43f9b7f0aacf58866c01e90e7c6

        • memory/1056-21-0x0000000000400000-0x00000000004C4000-memory.dmp

          Filesize

          784KB

        • memory/1056-24-0x0000000000400000-0x00000000004C4000-memory.dmp

          Filesize

          784KB