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Analysis

  • max time kernel
    144s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/04/2024, 12:03

General

  • Target

    436c3eb5ae6e73ba4eb5c5d91a8cc600196ec8d25f1621fafb6d15c404cbde3f.exe

  • Size

    266KB

  • MD5

    7f9fc15ab59444aee83158eac1d2a6fa

  • SHA1

    f7be47c24b9f5fe19dc14cc685f79ead375ec888

  • SHA256

    436c3eb5ae6e73ba4eb5c5d91a8cc600196ec8d25f1621fafb6d15c404cbde3f

  • SHA512

    6b6074616ae30bd5a9d527c7b1ca2d97f47f585e6b157d198cf7422376f4ab7d62802dba693c628d7aba68730317edb2803ae7cab0fbf44f13824bf003c1466e

  • SSDEEP

    6144:gXzKdNY49u8rVRJm4PzJTeB6IxACs2m01net:fa4AEJm4PzU0IpLm01

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 4 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\436c3eb5ae6e73ba4eb5c5d91a8cc600196ec8d25f1621fafb6d15c404cbde3f.exe
    "C:\Users\Admin\AppData\Local\Temp\436c3eb5ae6e73ba4eb5c5d91a8cc600196ec8d25f1621fafb6d15c404cbde3f.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2436
    • 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:3548
    • 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:1016
  • 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=1520 --field-trial-handle=2256,i,6670388345726423024,18382795228658886258,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:4564

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    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/2436-0-0x0000000000450000-0x00000000004F0000-memory.dmp

      Filesize

      640KB

    • memory/2436-1-0x0000000000450000-0x00000000004F0000-memory.dmp

      Filesize

      640KB

    • memory/2436-11-0x0000000000450000-0x00000000004F0000-memory.dmp

      Filesize

      640KB

    • memory/2436-12-0x0000000000450000-0x00000000004F0000-memory.dmp

      Filesize

      640KB