Analysis

  • max time kernel
    125s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/06/2024, 15:59

General

  • Target

    23a50b1f3a001a461d785d76d74c28d2565a6387b9949a78e3241c43d889bdcf.exe

  • Size

    266KB

  • MD5

    a974240089b802285a0e64f43c172aa0

  • SHA1

    8ffb068712d252ab97d8cc7d8d02dd1cf3280d68

  • SHA256

    23a50b1f3a001a461d785d76d74c28d2565a6387b9949a78e3241c43d889bdcf

  • SHA512

    1fa66265e0bb6a312d025dae21176cf6d60e626814f4b0cf148f2e59facbf5d4cc8f91f2008cb3eba3a803f60f8a8e191695afc70a9c848117a74ccf760af5d6

  • SSDEEP

    6144:kXzKdNY49u8rVzmlmriGtJjcW9k01net:La4Ai3ri6J201

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 2 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\23a50b1f3a001a461d785d76d74c28d2565a6387b9949a78e3241c43d889bdcf.exe
    "C:\Users\Admin\AppData\Local\Temp\23a50b1f3a001a461d785d76d74c28d2565a6387b9949a78e3241c43d889bdcf.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4964
    • 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:4992
    • 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:5076
  • 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 --field-trial-handle=4164,i,13640054265074968359,8146127767143474550,262144 --variations-seed-version --mojo-platform-channel-handle=3832 /prefetch:8
    1⤵
      PID:4292

    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/4964-0-0x0000000000C00000-0x0000000000CA0000-memory.dmp

            Filesize

            640KB

          • memory/4964-14-0x0000000000C00000-0x0000000000CA0000-memory.dmp

            Filesize

            640KB