Analysis

  • max time kernel
    27s
  • max time network
    56s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    19-02-2022 08:30

General

  • Target

    094e91e2ae1cdd89fe7aaf9053e042cabcdb6eaf27789dd331802c08ae29fd1c.exe

  • Size

    170KB

  • MD5

    00f926cd4948652e3a80c3994e4ec8be

  • SHA1

    61bf4f8d8f9826b70bf730d4f84a584ee199325f

  • SHA256

    094e91e2ae1cdd89fe7aaf9053e042cabcdb6eaf27789dd331802c08ae29fd1c

  • SHA512

    d53edde17520f1512aa84dc1bf9d93c456c9cd037edb69c7f34dbbb4d9cad6a952b3a883c518ae70959b7285c930bd7b96b4939156e3e996ce2fad1a8d3fb51b

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:2460
    • C:\Windows\system32\DllHost.exe
      C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
      1⤵
        PID:3272
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
        1⤵
          PID:508
        • C:\Windows\system32\svchost.exe
          C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
          1⤵
            PID:2336
          • C:\Windows\system32\sihost.exe
            sihost.exe
            1⤵
              PID:2280
            • C:\Users\Admin\AppData\Local\Temp\094e91e2ae1cdd89fe7aaf9053e042cabcdb6eaf27789dd331802c08ae29fd1c.exe
              "C:\Users\Admin\AppData\Local\Temp\094e91e2ae1cdd89fe7aaf9053e042cabcdb6eaf27789dd331802c08ae29fd1c.exe"
              1⤵
              • Checks computer location settings
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of WriteProcessMemory
              PID:1840
              • 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\094e91e2ae1cdd89fe7aaf9053e042cabcdb6eaf27789dd331802c08ae29fd1c.exe" /f
                2⤵
                • Suspicious use of WriteProcessMemory
                PID:2740
                • 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\094e91e2ae1cdd89fe7aaf9053e042cabcdb6eaf27789dd331802c08ae29fd1c.exe" /f
                  3⤵
                  • Adds Run key to start application
                  PID:3336

            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/2280-130-0x00007FF727470000-0x00007FF7277FE000-memory.dmp
              Filesize

              3.6MB