Analysis

  • max time kernel
    72s
  • max time network
    111s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    19-02-2022 08:50

General

  • Target

    03059f141d8a25d75bb0ec98484bb6008da5dded3899576c700c80a0cbbc1dea.exe

  • Size

    1.4MB

  • MD5

    760cbfb1910baf7a2ab4e281c5c555b3

  • SHA1

    cb77fbd21e24dd609f4f4de1cbefcb1f8f30aaf9

  • SHA256

    03059f141d8a25d75bb0ec98484bb6008da5dded3899576c700c80a0cbbc1dea

  • SHA512

    ce35e5217e5513fe96d2ae1e579d5697f5a88cf4d3085352a41eae73ae75ea259c7e497e01a1265aaaf145afd7c62db6252cfaa0d7a395b5360ac4842c895739

Score
8/10

Malware Config

Signatures

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

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

  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
      PID:2340
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
      1⤵
        PID:2356
      • C:\Users\Admin\AppData\Local\Temp\03059f141d8a25d75bb0ec98484bb6008da5dded3899576c700c80a0cbbc1dea.exe
        "C:\Users\Admin\AppData\Local\Temp\03059f141d8a25d75bb0ec98484bb6008da5dded3899576c700c80a0cbbc1dea.exe"
        1⤵
        • Checks computer location settings
        • Suspicious use of WriteProcessMemory
        PID:4560
        • C:\users\Public\mQVvD.exe
          "C:\users\Public\mQVvD.exe" C:\Users\Admin\AppData\Local\Temp\03059f141d8a25d75bb0ec98484bb6008da5dded3899576c700c80a0cbbc1dea.exe
          2⤵
          • Executes dropped EXE
          • Checks computer location settings
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1348
          • C:\Windows\System32\cmd.exe
            "C:\Windows\System32\cmd.exe" /C REG ADD "HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "svchos" /t REG_SZ /d "C:\users\Public\mQVvD.exe" /f
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:1896
            • C:\Windows\system32\reg.exe
              REG ADD "HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "svchos" /t REG_SZ /d "C:\users\Public\mQVvD.exe" /f
              4⤵
              • Adds Run key to start application
              PID:3636

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

      • memory/2340-132-0x00007FF763010000-0x00007FF76339E000-memory.dmp

        Filesize

        3.6MB

      • memory/2432-133-0x00007FF763010000-0x00007FF76339E000-memory.dmp

        Filesize

        3.6MB