Resubmissions

08/07/2025, 08:09

250708-j16kvavwcx 10

04/07/2025, 04:30

250704-e483xsap8v 10

13/05/2024, 10:29

240513-mjfjwabd28 10

Analysis

  • max time kernel
    140s
  • max time network
    161s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/05/2024, 10:29

General

  • Target

    WORM_VOBFUS.exe

  • Size

    92KB

  • MD5

    4e15d812491ff0454f1e9393675b1c60

  • SHA1

    ec9291957872191902fb525641040b42e057acd8

  • SHA256

    e4d0b740421cfba7e7e4a30a2a69d59486e7347979af94145fb8f335960c33d5

  • SHA512

    9554e4e882a176b7b38b55dc2a80400354aae90a12e7e0c3a4f481e68032423f65f28c439621dc27fdf4c99e8ad10aaed949f140398970480c26aa574b7a5982

  • SSDEEP

    768:29QXHugT0lvlq/P1vwwrnkjBt1TJk8vK8GSdrD9wGy241ZUb/CxhYLJP30UOEGaK:i0PuBpmUbaxeLd4IfmkBwC8BD+KBq2x

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Maps connected drives based on registry 3 TTPs 2 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates processes with tasklist 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookAW 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\WORM_VOBFUS.exe
    "C:\Users\Admin\AppData\Local\Temp\WORM_VOBFUS.exe"
    1⤵
    • Checks computer location settings
    • Maps connected drives based on registry
    • Suspicious use of SetWindowsHookAW
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4268
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c tasklist&&del WORM_VOBFUS.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3360
      • C:\Windows\SysWOW64\tasklist.exe
        tasklist
        3⤵
        • Enumerates processes with tasklist
        • Suspicious use of AdjustPrivilegeToken
        PID:4816
  • 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 --no-appcompat-clear --mojo-platform-channel-handle=1028 --field-trial-handle=2272,i,4858140932023865871,5726683989663339295,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:3924

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads