Analysis

  • max time kernel
    151s
  • max time network
    192s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-02-2023 07:49

General

  • Target

    00be91dc73d996e1e20d1309b0c5efa7e8b93555021fddfebcfc7ebc740e07da.exe

  • Size

    277KB

  • MD5

    9b4d4bcb6174b75e7df92e551e87ad6c

  • SHA1

    6ecf1bfd4b01fb2429b8cac9f856c5e5886d2c29

  • SHA256

    00be91dc73d996e1e20d1309b0c5efa7e8b93555021fddfebcfc7ebc740e07da

  • SHA512

    a384808b3bd5e65add0c0921b4503437842cf00d7753f11f54526a7c63e0e5bd4b19a496dc7bc5682f353c608d34b338e3a39bc06d994c93e1a5a7d2860e4014

  • SSDEEP

    3072:fNXEGZJWhfNFC4S60+XoLczrVmXd7taW2Hqs0BVH0XNn2qcyFniZH01ne4PKxxz:lXzKdNY49u8rVA7tFBSXNn2qNu01netH

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\00be91dc73d996e1e20d1309b0c5efa7e8b93555021fddfebcfc7ebc740e07da.exe
    "C:\Users\Admin\AppData\Local\Temp\00be91dc73d996e1e20d1309b0c5efa7e8b93555021fddfebcfc7ebc740e07da.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4588
    • 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:2132
    • 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:1176

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/1176-135-0x0000000000000000-mapping.dmp

  • memory/2132-133-0x0000000000000000-mapping.dmp

  • memory/4588-132-0x0000000000A70000-0x0000000000B10000-memory.dmp

    Filesize

    640KB

  • memory/4588-137-0x0000000000A70000-0x0000000000B10000-memory.dmp

    Filesize

    640KB

  • memory/4588-138-0x0000000000A70000-0x0000000000B10000-memory.dmp

    Filesize

    640KB