Analysis

  • max time kernel
    74s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/04/2023, 02:21

General

  • Target

    9f7e5893562aee4dcd9713ac8c8002240c47e17d4287ebbe288094e7a0bcbff0.exe

  • Size

    277KB

  • MD5

    4c43ccc05e51d68307c1f6acc9affa98

  • SHA1

    ea192e09c9a5a5ccc3bcf711ca2ccb9f3463ddfd

  • SHA256

    9f7e5893562aee4dcd9713ac8c8002240c47e17d4287ebbe288094e7a0bcbff0

  • SHA512

    3a1f4d06a28f3d8f2dd567fd266744e9ce127bbeac0b11c480aa27d7bba9cfff6013c1d61a0954b3ade1aaad143645a639eaeb372552d9fdd9450632efab3a2b

  • SSDEEP

    6144:FXzKdNY49u8rVxp4cj3VUKIpBdY01netE:2a4AK4cxfI2013

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\9f7e5893562aee4dcd9713ac8c8002240c47e17d4287ebbe288094e7a0bcbff0.exe
    "C:\Users\Admin\AppData\Local\Temp\9f7e5893562aee4dcd9713ac8c8002240c47e17d4287ebbe288094e7a0bcbff0.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4280
    • 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:4772
    • 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:2004

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

        • 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/4280-134-0x00000000000F0000-0x0000000000190000-memory.dmp

          Filesize

          640KB

        • memory/4280-147-0x00000000000F0000-0x0000000000190000-memory.dmp

          Filesize

          640KB