Analysis

  • max time kernel
    136s
  • max time network
    139s
  • 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 23:31

General

  • Target

    eccb75c55a5a7e3780c9c03ad0cb85d1e089e56741e40e70f90cbca1cf57ca20.exe

  • Size

    277KB

  • MD5

    0f23e05b9809a5b737b994cea062c183

  • SHA1

    58fb433c9bfd5f35bd7296db4cdb88017d5dae63

  • SHA256

    eccb75c55a5a7e3780c9c03ad0cb85d1e089e56741e40e70f90cbca1cf57ca20

  • SHA512

    98f4fd7dc5a2fb48ecf0f52819e754513b41c66f7444288795861177c33364f48ce3ec3f8c7718fba14e3c204dc24e90693b60c0687d2cb824cc92675a1a3da1

  • SSDEEP

    3072:RNXEGZJWhfNFC4S60+XoLczrVmXb9ggyXnOBATu3rejB1MiqGwku8VH01ne4PKAV:vXzKdNY49u8rVUGJCKvMiqGfB01netk/

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\eccb75c55a5a7e3780c9c03ad0cb85d1e089e56741e40e70f90cbca1cf57ca20.exe
    "C:\Users\Admin\AppData\Local\Temp\eccb75c55a5a7e3780c9c03ad0cb85d1e089e56741e40e70f90cbca1cf57ca20.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2780
    • 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:604
    • 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:1652

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/604-133-0x0000000000000000-mapping.dmp

  • memory/1652-135-0x0000000000000000-mapping.dmp

  • memory/2780-132-0x0000000000F00000-0x0000000000FA0000-memory.dmp

    Filesize

    640KB

  • memory/2780-137-0x0000000000F00000-0x0000000000FA0000-memory.dmp

    Filesize

    640KB