Analysis

  • max time kernel
    141s
  • max time network
    134s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/08/2024, 14:03

General

  • Target

    a6f0550cb2fbfe90563cf4f8426cda6e_JaffaCakes118.exe

  • Size

    728KB

  • MD5

    a6f0550cb2fbfe90563cf4f8426cda6e

  • SHA1

    dd15b140c78bf4854741ee9f41953f21b9f272ba

  • SHA256

    2e42d12c7196da8ec30cc6431c4dbb9e64c8b5322782038a7e7e5f6498be4169

  • SHA512

    86634c6c1b0f1230103e022e3c2a28b4e35dd7bc976e06ac8837ed3179c0b065552482f00ed47254909fc50139806b3aa52586766f570581c2461c070b1ac2e3

  • SSDEEP

    12288:lEcF8D2K53tGcAOYYsLN2Z8bbXF/meGDgGeItoEc9GspWZhASRXHYnrmOM:lEc8H5fMLN2Kb7FrGlFtov9GsqRXHYr8

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\a6f0550cb2fbfe90563cf4f8426cda6e_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a6f0550cb2fbfe90563cf4f8426cda6e_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1608
    • 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:5060
    • 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:4644
    • 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:1144
      • 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:4360
    • 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:2828
      • 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:4736
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=1012,i,3861745594156495651,17595114179815238301,262144 --variations-seed-version --mojo-platform-channel-handle=4300 /prefetch:8
    1⤵
      PID:3056

    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/1608-24-0x0000000000400000-0x00000000004C1000-memory.dmp

      Filesize

      772KB