Analysis

  • max time kernel
    142s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-05-2024 23:44

General

  • Target

    c71683e7f85432fb6c94f942d0328a644a85316dc220d99aa77ae38a8654bda2.exe

  • Size

    266KB

  • MD5

    a72c8d581d1fe26a7ea2d4065b20da5a

  • SHA1

    cf4b1b9d90e83c39ff1e39255efd90e1621a2493

  • SHA256

    c71683e7f85432fb6c94f942d0328a644a85316dc220d99aa77ae38a8654bda2

  • SHA512

    3084645583724d9a882500283c73d71fd3c985860506fbefb289e2ccaca209c828d8bcaeda7b293af36d17e3e85f2a36d19ef9e3995448ce533153281a0ccda2

  • SSDEEP

    6144:0XzKdNY49u8rVWuHwT/TRPkTMekK/01net:ba4Agg/tPCNkm01

Score
7/10
upx

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 2 IoCs
  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c71683e7f85432fb6c94f942d0328a644a85316dc220d99aa77ae38a8654bda2.exe
    "C:\Users\Admin\AppData\Local\Temp\c71683e7f85432fb6c94f942d0328a644a85316dc220d99aa77ae38a8654bda2.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2548
    • C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe
      "C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe"
      2⤵
      • Executes dropped EXE
      PID:5072
    • C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe
      "C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe"
      2⤵
      • Executes dropped EXE
      PID:1896
  • 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=3488 --field-trial-handle=3088,i,14310325015283915034,7660943942870463106,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:3156

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe

      Filesize

      87KB

      MD5

      368332fca74f48697d842c5f4698ae1d

      SHA1

      0275153a1e62bd0eca0b02168895517ed66aac56

      SHA256

      3a4a5b128c3a042010824fd33b719466b0d9320aa051ca3d5f1690124766ad59

      SHA512

      fd9f1d1a4337e00fef5e9ea10a7fdf553e98df2cf2fdf818b68689a89de3c1d324de389e0c9ef863fef08a3dff8150db173b2203e9e92efaea67865e8d2805b5

    • memory/2548-0-0x0000000000220000-0x00000000002C0000-memory.dmp

      Filesize

      640KB

    • memory/2548-10-0x0000000000220000-0x00000000002C0000-memory.dmp

      Filesize

      640KB

    • memory/2548-12-0x0000000000220000-0x00000000002C0000-memory.dmp

      Filesize

      640KB