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Analysis

  • max time kernel
    53s
  • max time network
    55s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/09/2024, 19:19

General

  • Target

    af3982488f54fc331e04f244ed0ca403259e37a72009148471564f9237f3a7b2.exe

  • Size

    278KB

  • MD5

    82b23194fa2793c270c8297dfe95f27c

  • SHA1

    056022b0ca3904ef238287d359dad6f5bb76edd8

  • SHA256

    af3982488f54fc331e04f244ed0ca403259e37a72009148471564f9237f3a7b2

  • SHA512

    b7c4b84cdfdfd651c6c4e20229a84c379094dbd461c7bf0d6d5ccacec0f7ef6051cc9263b290ba7db59ff566a5d9699fe14242e047abc72c81c749205a9e536e

  • SSDEEP

    6144:boy5p178U0MURaGyNXYWQzHazRfXrwSRnWwhrQ66fp:boSeGUA5YZazpXUmZhZ6R

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 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 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\af3982488f54fc331e04f244ed0ca403259e37a72009148471564f9237f3a7b2.exe
    "C:\Users\Admin\AppData\Local\Temp\af3982488f54fc331e04f244ed0ca403259e37a72009148471564f9237f3a7b2.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1328
    • C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
      "C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1924
      • C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
        "C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe"
        3⤵
          PID:904
    • 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=4252,i,2727319350781907497,7925939240893079607,262144 --variations-seed-version --mojo-platform-channel-handle=3952 /prefetch:8
      1⤵
        PID:616

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe

        Filesize

        278KB

        MD5

        88b6813654b4a3cd0d8bb32784cbbd72

        SHA1

        41eb501ca5bcc41f055d6c09bcdf78e20627eb40

        SHA256

        daa5c5edbd61f346d74a73e4a11e28b71764515296fd2094c9889de810144a72

        SHA512

        4b39deb7e56c70dcd38c5a4a5be1574d0c74a442665cd5b55be7163d30b21f4a076be90f7da5783f7ad4bc792140473e4715d649354129a58d9694e317e373fc

      • memory/1328-4-0x0000000074732000-0x0000000074733000-memory.dmp

        Filesize

        4KB

      • memory/1328-22-0x0000000074730000-0x0000000074CE1000-memory.dmp

        Filesize

        5.7MB

      • memory/1328-3-0x0000000074730000-0x0000000074CE1000-memory.dmp

        Filesize

        5.7MB

      • memory/1328-0-0x0000000074732000-0x0000000074733000-memory.dmp

        Filesize

        4KB

      • memory/1328-5-0x0000000074730000-0x0000000074CE1000-memory.dmp

        Filesize

        5.7MB

      • memory/1328-6-0x0000000074730000-0x0000000074CE1000-memory.dmp

        Filesize

        5.7MB

      • memory/1328-2-0x0000000074730000-0x0000000074CE1000-memory.dmp

        Filesize

        5.7MB

      • memory/1328-7-0x0000000074730000-0x0000000074CE1000-memory.dmp

        Filesize

        5.7MB

      • memory/1328-1-0x0000000074730000-0x0000000074CE1000-memory.dmp

        Filesize

        5.7MB

      • memory/1924-21-0x0000000074730000-0x0000000074CE1000-memory.dmp

        Filesize

        5.7MB

      • memory/1924-23-0x0000000074730000-0x0000000074CE1000-memory.dmp

        Filesize

        5.7MB

      • memory/1924-24-0x0000000074730000-0x0000000074CE1000-memory.dmp

        Filesize

        5.7MB

      • memory/1924-25-0x0000000074730000-0x0000000074CE1000-memory.dmp

        Filesize

        5.7MB

      • memory/1924-26-0x0000000074730000-0x0000000074CE1000-memory.dmp

        Filesize

        5.7MB

      • memory/1924-27-0x0000000074730000-0x0000000074CE1000-memory.dmp

        Filesize

        5.7MB

      • memory/1924-29-0x0000000074730000-0x0000000074CE1000-memory.dmp

        Filesize

        5.7MB