Analysis

  • max time kernel
    170s
  • max time network
    187s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/11/2022, 14:46

General

  • Target

    21da712949a7504d994c45e8b9c30ad4a3e5667ed9c430216ce41117c99380a5.exe

  • Size

    601KB

  • MD5

    548baa67000cd77c45f116df94330501

  • SHA1

    6600802b5953201ad77f87ffec8c0e455808f632

  • SHA256

    21da712949a7504d994c45e8b9c30ad4a3e5667ed9c430216ce41117c99380a5

  • SHA512

    12906be7da856b9bd60aa2c767b0ceed2d4d58462275b59041445afb8e3de5c938b67cf9cbf613aa96be75a76a9a444573b18c6624ea002b79703e1c5cacfc4e

  • SSDEEP

    12288:xORNsuj7LM2e2Bl4St2AxKeAN+GKnvLof/9WraN0bfs3kZwD+ZAdj:xsNsmM2lBmSt2A+yTof/YrdfqkZwD4AJ

Score
9/10

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops desktop.ini file(s) 2 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies system certificate store 2 TTPs 8 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\21da712949a7504d994c45e8b9c30ad4a3e5667ed9c430216ce41117c99380a5.exe
    "C:\Users\Admin\AppData\Local\Temp\21da712949a7504d994c45e8b9c30ad4a3e5667ed9c430216ce41117c99380a5.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks computer location settings
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1716
    • C:\Users\Admin\AppData\Local\Temp\n7246\s7246.exe
      "C:\Users\Admin\AppData\Local\Temp\n7246\s7246.exe" 5b4a68acd14167fd961bce301Vw+Bdkbc10dAseA/nP15zAZ3D0xHGhylYPH/d/YUUvDL+O2cwQfcuSZx4Iaix4Ipg06YnuL98IHQtLpOsQWiNOGX6KnbF7hIRd/V9s7hOoUW2vCxZpWnEQOFxrP8PYR7ATla2bqda7jv3/n6xrnlTAqRz1PElagZacRHxM= /v "C:\Users\Admin\AppData\Local\Temp\21da712949a7504d994c45e8b9c30ad4a3e5667ed9c430216ce41117c99380a5.exe"
      2⤵
      • Executes dropped EXE
      • Drops desktop.ini file(s)
      • Drops file in Windows directory
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1384

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\n7246\s7246.exe

          Filesize

          349KB

          MD5

          f42490846128abad3a6504a02c9ef12c

          SHA1

          017da52f785d1385ee7fd9a5bcb2550096166385

          SHA256

          19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

          SHA512

          983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

        • C:\Users\Admin\AppData\Local\Temp\n7246\s7246.exe

          Filesize

          349KB

          MD5

          f42490846128abad3a6504a02c9ef12c

          SHA1

          017da52f785d1385ee7fd9a5bcb2550096166385

          SHA256

          19f929c13687b2af00ee10f0658333a1636002b185dac113a7a8182c29369951

          SHA512

          983e99e6cdbd86042a3b323bb4c4d0033614a0efd4997327e0fa942e4b56c76b8337ccb692b5a6879acc01fc7d1a7c0ed4b0195bfaff81e526587b0b1a638321

        • memory/1384-135-0x00007FF8B2550000-0x00007FF8B2F86000-memory.dmp

          Filesize

          10.2MB

        • memory/1384-136-0x00000000013BA000-0x00000000013BF000-memory.dmp

          Filesize

          20KB

        • memory/1384-137-0x00000000013BA000-0x00000000013BF000-memory.dmp

          Filesize

          20KB

        • memory/1384-138-0x00000000013BA000-0x00000000013BF000-memory.dmp

          Filesize

          20KB