Analysis

  • max time kernel
    47s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    20-02-2022 05:34

General

  • Target

    782788d736a6c603dbfb57f302e54e9050219e24dbde3c3b6f69484004d9415e.exe

  • Size

    170KB

  • MD5

    32d91009c10608aa3fb20abea38af923

  • SHA1

    c0af7c4c2acd9f76b8ff7206aed50b206a32ee26

  • SHA256

    782788d736a6c603dbfb57f302e54e9050219e24dbde3c3b6f69484004d9415e

  • SHA512

    9abe7527384cb8381b62ba4a476f28519859ed3c504183fb8cad2d0e34cd5328492864541cf3a2410daac018caf98cab92dc8f4fe6aa9435834ca9f0f8f18780

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\taskhostw.exe
    taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
    1⤵
      PID:2464
    • C:\Windows\system32\DllHost.exe
      C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
      1⤵
        PID:3380
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
        1⤵
          PID:3172
        • C:\Windows\system32\svchost.exe
          C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
          1⤵
            PID:2368
          • C:\Windows\system32\sihost.exe
            sihost.exe
            1⤵
              PID:2356
            • C:\Users\Admin\AppData\Local\Temp\782788d736a6c603dbfb57f302e54e9050219e24dbde3c3b6f69484004d9415e.exe
              "C:\Users\Admin\AppData\Local\Temp\782788d736a6c603dbfb57f302e54e9050219e24dbde3c3b6f69484004d9415e.exe"
              1⤵
              • Checks computer location settings
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of WriteProcessMemory
              PID:4888
              • 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\782788d736a6c603dbfb57f302e54e9050219e24dbde3c3b6f69484004d9415e.exe" /f
                2⤵
                • Suspicious use of WriteProcessMemory
                PID:364
                • 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\782788d736a6c603dbfb57f302e54e9050219e24dbde3c3b6f69484004d9415e.exe" /f
                  3⤵
                  • Adds Run key to start application
                  PID:2932

            Network

            MITRE ATT&CK Matrix ATT&CK v6

            Persistence

            Registry Run Keys / Startup Folder

            1
            T1060

            Defense Evasion

            Modify Registry

            1
            T1112

            Discovery

            Query Registry

            1
            T1012

            System Information Discovery

            2
            T1082

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • memory/2356-130-0x00007FF637CA0000-0x00007FF63802E000-memory.dmp
              Filesize

              3.6MB

            • memory/2368-131-0x00007FF637CA0000-0x00007FF63802E000-memory.dmp
              Filesize

              3.6MB