Analysis

  • max time kernel
    39s
  • max time network
    91s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    20-02-2022 01:10

General

  • Target

    e1c85bc8a605ec9f81f45d5ff343b7283bcee0a4ee954539dd70e3cba1ae51e8.exe

  • Size

    152KB

  • MD5

    de6969e4d9745875d1a7052210e87e71

  • SHA1

    6916a4b85b34517b2966c63140c2b782783bbed0

  • SHA256

    e1c85bc8a605ec9f81f45d5ff343b7283bcee0a4ee954539dd70e3cba1ae51e8

  • SHA512

    c9df738232cd55f8ecd867e9216e799254faa29b2ebd27def1b18721b4cc71f63b374fe5336894a7483569ef0139947cb54cfb712f95bced07991f6449197307

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 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 9 IoCs

Processes

  • C:\Windows\system32\DllHost.exe
    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
    1⤵
      PID:3256
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
      1⤵
        PID:2764
      • C:\Windows\system32\taskhostw.exe
        taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
        1⤵
          PID:2556
        • C:\Windows\system32\svchost.exe
          C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
          1⤵
            PID:2364
          • C:\Windows\system32\sihost.exe
            sihost.exe
            1⤵
              PID:2356
            • C:\Users\Admin\AppData\Local\Temp\e1c85bc8a605ec9f81f45d5ff343b7283bcee0a4ee954539dd70e3cba1ae51e8.exe
              "C:\Users\Admin\AppData\Local\Temp\e1c85bc8a605ec9f81f45d5ff343b7283bcee0a4ee954539dd70e3cba1ae51e8.exe"
              1⤵
              • Checks computer location settings
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of WriteProcessMemory
              PID:2440
              • 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\e1c85bc8a605ec9f81f45d5ff343b7283bcee0a4ee954539dd70e3cba1ae51e8.exe" /f
                2⤵
                • Suspicious use of WriteProcessMemory
                PID:5004
                • 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\e1c85bc8a605ec9f81f45d5ff343b7283bcee0a4ee954539dd70e3cba1ae51e8.exe" /f
                  3⤵
                  • Adds Run key to start application
                  PID:3640

            Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

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            Downloads

            • memory/2356-130-0x00007FF686060000-0x00007FF6863E9000-memory.dmp

              Filesize

              3.5MB