Analysis

  • max time kernel
    141s
  • max time network
    173s
  • 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, 16:35

General

  • Target

    c2fa7d3935293e8950ab402f0142d8ad7e07f396ac71efb989015c455f61490c.exe

  • Size

    277KB

  • MD5

    bb23b9dce0c956455e030811b9fbee5b

  • SHA1

    9c6d21d7c445e69797a94f62cd57402838edaecc

  • SHA256

    c2fa7d3935293e8950ab402f0142d8ad7e07f396ac71efb989015c455f61490c

  • SHA512

    886ea794f32c1a00066d4d15e63abf5d853134de90d5a8909941f7810f6b4be41c6a29a04fba3e1d2303f0ebaa1d838e9eef8e0f24ec7b1e976bfacb3affd046

  • SSDEEP

    6144:oXzKdNY49u8rVwTipkX/TRPkTMeH+01nety:Xa4AZTwK/tPCNH+01N

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\c2fa7d3935293e8950ab402f0142d8ad7e07f396ac71efb989015c455f61490c.exe
    "C:\Users\Admin\AppData\Local\Temp\c2fa7d3935293e8950ab402f0142d8ad7e07f396ac71efb989015c455f61490c.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:5056
    • 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:1100
    • 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:1144

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/5056-132-0x0000000000110000-0x00000000001B0000-memory.dmp

          Filesize

          640KB

        • memory/5056-137-0x0000000000110000-0x00000000001B0000-memory.dmp

          Filesize

          640KB

        • memory/5056-138-0x0000000000110000-0x00000000001B0000-memory.dmp

          Filesize

          640KB