Analysis

  • max time kernel
    93s
  • max time network
    213s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    20-02-2022 07:55

General

  • Target

    4517460c769903a54b14a2673a89bbb8d857be18837d0015733f2445ba17b2f3.exe

  • Size

    396KB

  • MD5

    79e52b0a6a08e5213f6c48fd70c037f4

  • SHA1

    81150445f316941f08180e99d379bab5b47ffecf

  • SHA256

    4517460c769903a54b14a2673a89bbb8d857be18837d0015733f2445ba17b2f3

  • SHA512

    c2570e299d7809a3b1b5a1f9e7aa85fcad40ef781ccd2ed2ecb10a1381753cf98cbc6ae025109a6da12561349f07a8b5327d2f6808581eb40dbdd03474019533

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.

  • 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 11 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\4517460c769903a54b14a2673a89bbb8d857be18837d0015733f2445ba17b2f3.exe
              "C:\Users\Admin\AppData\Local\Temp\4517460c769903a54b14a2673a89bbb8d857be18837d0015733f2445ba17b2f3.exe"
              1⤵
              • Checks computer location settings
              • Suspicious use of WriteProcessMemory
              PID:4668
              • C:\users\Public\coHgl.exe
                "C:\users\Public\coHgl.exe" C:\Users\Admin\AppData\Local\Temp\4517460c769903a54b14a2673a89bbb8d857be18837d0015733f2445ba17b2f3.exe
                2⤵
                • Executes dropped EXE
                • Checks computer location settings
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                PID:3088
                • 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\coHgl.exe" /f
                  3⤵
                  • Suspicious use of WriteProcessMemory
                  PID:3792
                  • C:\Windows\system32\reg.exe
                    REG ADD "HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "svchos" /t REG_SZ /d "C:\users\Public\coHgl.exe" /f
                    4⤵
                      PID:4980

              Network

              MITRE ATT&CK Enterprise v6

              Replay Monitor

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              Downloads

              • C:\Users\Public\coHgl.exe

                MD5

                31bd0f224e7e74eee2847f43aae23974

                SHA1

                92e331e1e8ad30538f38dd7ba31386afafa14a58

                SHA256

                8b0a5fb13309623c3518473551cb1f55d38d8450129d4a3c16b476f7b2867d7d

                SHA512

                a13f05a12b084ef425f542ff4be824bbccb5dbdfe085af8b7e19d81a6bcba4b8c1debcc38f6b57bc9265a4db21eed70852ece8cc62b3ef14c47fca3035a55249

              • C:\users\Public\coHgl.exe

                MD5

                31bd0f224e7e74eee2847f43aae23974

                SHA1

                92e331e1e8ad30538f38dd7ba31386afafa14a58

                SHA256

                8b0a5fb13309623c3518473551cb1f55d38d8450129d4a3c16b476f7b2867d7d

                SHA512

                a13f05a12b084ef425f542ff4be824bbccb5dbdfe085af8b7e19d81a6bcba4b8c1debcc38f6b57bc9265a4db21eed70852ece8cc62b3ef14c47fca3035a55249

              • memory/2356-132-0x00007FF7CFDE0000-0x00007FF7D016E000-memory.dmp

                Filesize

                3.6MB

              • memory/3172-133-0x00007FF7CFDE0000-0x00007FF7D016E000-memory.dmp

                Filesize

                3.6MB