Analysis

  • max time kernel
    151s
  • max time network
    154s
  • 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, 21:18

General

  • Target

    d8b170fa9c16bf1cb10f98d1340cbd6daaaa1db475b82ea1b1441aafc3b71adf.exe

  • Size

    277KB

  • MD5

    36f63b80e8a6f1ad6e89eb20a233c6e7

  • SHA1

    09b779eaad8ea60124552e58240e92fa53b9f933

  • SHA256

    d8b170fa9c16bf1cb10f98d1340cbd6daaaa1db475b82ea1b1441aafc3b71adf

  • SHA512

    21f02476e76d332d95e7e907e1b8508a8d3d7da7d2fb9b8b426a91b58b48a3a6886be7813206133e71b4de50cd814867f95b6af08f4e3c112e4296ca75bdc008

  • SSDEEP

    6144:QXzKdNY49u8rVjYcFXwriGtJjcWv01netG:Pa4A0Jwri6JD01B

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\d8b170fa9c16bf1cb10f98d1340cbd6daaaa1db475b82ea1b1441aafc3b71adf.exe
    "C:\Users\Admin\AppData\Local\Temp\d8b170fa9c16bf1cb10f98d1340cbd6daaaa1db475b82ea1b1441aafc3b71adf.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4948
    • 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:4444
    • 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:4500

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

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/4948-132-0x0000000000620000-0x00000000006C0000-memory.dmp

    Filesize

    640KB

  • memory/4948-137-0x0000000000620000-0x00000000006C0000-memory.dmp

    Filesize

    640KB