Analysis

  • max time kernel
    85s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    20-02-2022 04:49

General

  • Target

    8b0a5fb13309623c3518473551cb1f55d38d8450129d4a3c16b476f7b2867d7d.exe

  • Size

    170KB

  • MD5

    31bd0f224e7e74eee2847f43aae23974

  • SHA1

    92e331e1e8ad30538f38dd7ba31386afafa14a58

  • SHA256

    8b0a5fb13309623c3518473551cb1f55d38d8450129d4a3c16b476f7b2867d7d

  • SHA512

    a13f05a12b084ef425f542ff4be824bbccb5dbdfe085af8b7e19d81a6bcba4b8c1debcc38f6b57bc9265a4db21eed70852ece8cc62b3ef14c47fca3035a55249

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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 9 IoCs

Processes

  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
    1⤵
      PID:2944
    • C:\Windows\system32\DllHost.exe
      C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
      1⤵
        PID:3304
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
        1⤵
          PID:3088
        • C:\Windows\system32\taskhostw.exe
          taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
          1⤵
            PID:3004
          • C:\Windows\system32\sihost.exe
            sihost.exe
            1⤵
              PID:2912
            • C:\Users\Admin\AppData\Local\Temp\8b0a5fb13309623c3518473551cb1f55d38d8450129d4a3c16b476f7b2867d7d.exe
              "C:\Users\Admin\AppData\Local\Temp\8b0a5fb13309623c3518473551cb1f55d38d8450129d4a3c16b476f7b2867d7d.exe"
              1⤵
              • Checks computer location settings
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of WriteProcessMemory
              PID:4788
              • 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\Admin\AppData\Local\Temp\8b0a5fb13309623c3518473551cb1f55d38d8450129d4a3c16b476f7b2867d7d.exe" /f
                2⤵
                • Suspicious use of WriteProcessMemory
                PID:3856
                • C:\Windows\system32\reg.exe
                  REG ADD "HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "svchos" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\8b0a5fb13309623c3518473551cb1f55d38d8450129d4a3c16b476f7b2867d7d.exe" /f
                  3⤵
                    PID:3196

              Network

              MITRE ATT&CK Enterprise v6

              Replay Monitor

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              Downloads

              • memory/2912-133-0x00007FF79E880000-0x00007FF79EC0E000-memory.dmp

                Filesize

                3.6MB

              • memory/2944-134-0x00007FF79E880000-0x00007FF79EC0E000-memory.dmp

                Filesize

                3.6MB