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Analysis

  • max time kernel
    190s
  • max time network
    190s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/11/2022, 23:21

General

  • Target

    8e10b2dae6210565323090ff5780d7daa31da0a27336b2ebdaf8871057dfd8ea.exe

  • Size

    339KB

  • MD5

    b7ed79baa3588b376737279e74a907d6

  • SHA1

    d6bbb6e08f58cd534f0237bd248ad0df3b76bf7a

  • SHA256

    8e10b2dae6210565323090ff5780d7daa31da0a27336b2ebdaf8871057dfd8ea

  • SHA512

    6c5e9dd57ad7b311910e0c882b163f7acd169c7112674d2ffa14f4f9eb32a675e06b7b823588bf1dfaa10c532672e510d6b1ad0f2f77c6378ae8090b621b9921

  • SSDEEP

    3072:0caUw2aT5H9rxZndLRf1jJXfMGXqaQaqP7NXJj1eQac2ZzFvhbJLwsOj4PPsJWi3:DG1M6TVx

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Modifies Windows Firewall 1 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops startup file 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 36 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8e10b2dae6210565323090ff5780d7daa31da0a27336b2ebdaf8871057dfd8ea.exe
    "C:\Users\Admin\AppData\Local\Temp\8e10b2dae6210565323090ff5780d7daa31da0a27336b2ebdaf8871057dfd8ea.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2952
    • C:\Users\Admin\AppData\Roaming\SMD.exe
      "C:\Users\Admin\AppData\Roaming\SMD.exe"
      2⤵
      • Executes dropped EXE
      • Drops startup file
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:524
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\SMD.exe" "SMD.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:2492

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\SMD.exe

    Filesize

    339KB

    MD5

    b7ed79baa3588b376737279e74a907d6

    SHA1

    d6bbb6e08f58cd534f0237bd248ad0df3b76bf7a

    SHA256

    8e10b2dae6210565323090ff5780d7daa31da0a27336b2ebdaf8871057dfd8ea

    SHA512

    6c5e9dd57ad7b311910e0c882b163f7acd169c7112674d2ffa14f4f9eb32a675e06b7b823588bf1dfaa10c532672e510d6b1ad0f2f77c6378ae8090b621b9921

  • C:\Users\Admin\AppData\Roaming\SMD.exe

    Filesize

    339KB

    MD5

    b7ed79baa3588b376737279e74a907d6

    SHA1

    d6bbb6e08f58cd534f0237bd248ad0df3b76bf7a

    SHA256

    8e10b2dae6210565323090ff5780d7daa31da0a27336b2ebdaf8871057dfd8ea

    SHA512

    6c5e9dd57ad7b311910e0c882b163f7acd169c7112674d2ffa14f4f9eb32a675e06b7b823588bf1dfaa10c532672e510d6b1ad0f2f77c6378ae8090b621b9921

  • memory/524-137-0x0000000074A80000-0x0000000075031000-memory.dmp

    Filesize

    5.7MB

  • memory/524-139-0x0000000074A80000-0x0000000075031000-memory.dmp

    Filesize

    5.7MB

  • memory/2952-132-0x0000000074A80000-0x0000000075031000-memory.dmp

    Filesize

    5.7MB

  • memory/2952-136-0x0000000074A80000-0x0000000075031000-memory.dmp

    Filesize

    5.7MB