Analysis

  • max time kernel
    166s
  • max time network
    187s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-02-2023 18:31

General

  • Target

    6fe03319516122164d8151419b3cbecd5e4a8577a1e452c2036845e2454d230e.exe

  • Size

    277KB

  • MD5

    22546df845262fb3fdc47d99a9296206

  • SHA1

    cbbb3fb8a4e56a0a34c0f95668fed2e0301287d9

  • SHA256

    6fe03319516122164d8151419b3cbecd5e4a8577a1e452c2036845e2454d230e

  • SHA512

    825d9a6c0f47620c6dbbc732d97b8ff6d2579f86523b7f07eea2f5e7719ac4d3d430f371eae2542823b05b58e84d4b06d5d3ffe2fef017db055d478944416a9e

  • SSDEEP

    3072:UNXEGZJWhfNFC4S60+XoLczrVmXGpC17XHjS+/fbC8DcGsvxw2JH01ne4PKjxX3:iXzKdNY49u8rVZyjLHu8DcG0P01netR3

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). Likely ransomware behaviour.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\6fe03319516122164d8151419b3cbecd5e4a8577a1e452c2036845e2454d230e.exe
    "C:\Users\Admin\AppData\Local\Temp\6fe03319516122164d8151419b3cbecd5e4a8577a1e452c2036845e2454d230e.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4328
    • 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:3092
    • 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:4616

Network

MITRE ATT&CK Enterprise v6

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

  • 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

  • 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/4328-132-0x0000000000D20000-0x0000000000DC0000-memory.dmp

    Filesize

    640KB

  • memory/4328-138-0x0000000000D20000-0x0000000000DC0000-memory.dmp

    Filesize

    640KB

  • memory/4328-139-0x0000000000D20000-0x0000000000DC0000-memory.dmp

    Filesize

    640KB