Analysis

  • max time kernel
    90s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/02/2023, 16:12

General

  • Target

    04de8a31a594f3a7ec52216e937bb222cf6529c1e5800705dff6f1134091f5b9.exe

  • Size

    277KB

  • MD5

    ae5c50a6875e7bf279db9644eaed7c5f

  • SHA1

    a245a08ec921d7ed0e5ed9302b414b94f6a18419

  • SHA256

    04de8a31a594f3a7ec52216e937bb222cf6529c1e5800705dff6f1134091f5b9

  • SHA512

    c94199b4c6bb834b198e97438d027121ec3f5d7754b91e41c195b0e6b43d606bbcc867637f958e8131535c7d5064c901cc85a256e6607d66f1c252157b506037

  • SSDEEP

    3072:TNXEGZJWhfNFC4S60+XoLczrVmXYoz/lHjS+/fbC8DcGsRbBH01ne4PKmx0:5XzKdNY49u8rVYjLHu8DcGa01nett

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). Likely ransomware behaviour.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\04de8a31a594f3a7ec52216e937bb222cf6529c1e5800705dff6f1134091f5b9.exe
    "C:\Users\Admin\AppData\Local\Temp\04de8a31a594f3a7ec52216e937bb222cf6529c1e5800705dff6f1134091f5b9.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4560
    • 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:5112
    • 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:4192

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

        • memory/4560-132-0x0000000000B00000-0x0000000000BA0000-memory.dmp

          Filesize

          640KB

        • memory/4560-137-0x0000000000B00000-0x0000000000BA0000-memory.dmp

          Filesize

          640KB