Analysis

  • max time kernel
    151s
  • max time network
    161s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 09:44

General

  • Target

    8423a04ca4fc3f10134ca4082ce292fba423b714071013147c12f93a4d379ecf.exe

  • Size

    138KB

  • MD5

    b2e04c471211884fc800c91ab506abfd

  • SHA1

    3d210a8dcc5a2446ad7c991df47c07189af19998

  • SHA256

    8423a04ca4fc3f10134ca4082ce292fba423b714071013147c12f93a4d379ecf

  • SHA512

    5952a5a266f3f523eac4722c2c4e79abbf8a37c192d93474bbb1dc5f1d5432773c77888fabb4207b7dab61ba0c5e4670b6f7c5edd390ea878e29f4462982e474

  • SSDEEP

    3072:KT+x50VJqtHGbu5XCniylWrtGA1GHvGXaCH1Fukp1dZ3wQGN:KT+oGtmiYlW4A1QvGXjBduQGN

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • NTFS ADS 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 21 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 53 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1376
      • C:\Users\Admin\AppData\Local\Temp\8423a04ca4fc3f10134ca4082ce292fba423b714071013147c12f93a4d379ecf.exe
        "C:\Users\Admin\AppData\Local\Temp\8423a04ca4fc3f10134ca4082ce292fba423b714071013147c12f93a4d379ecf.exe"
        2⤵
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • Modifies Internet Explorer settings
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:864
        • C:\Users\Admin\AppData\Roaming\Goemit\vouda.exe
          "C:\Users\Admin\AppData\Roaming\Goemit\vouda.exe"
          3⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:1600
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\tmp687f4800.bat"
          3⤵
          • Deletes itself
          • Suspicious use of AdjustPrivilegeToken
          PID:1956
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1296
      • C:\Windows\system32\taskhost.exe
        "taskhost.exe"
        1⤵
          PID:1216
        • C:\Windows\system32\conhost.exe
          \??\C:\Windows\system32\conhost.exe "-1501962695182194761788215754314713125137567788301581250091257845821-1936345366"
          1⤵
            PID:364
          • C:\Program Files\Windows Mail\WinMail.exe
            "C:\Program Files\Windows Mail\WinMail.exe" -Embedding
            1⤵
            • NTFS ADS
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of SendNotifyMessage
            • Suspicious use of SetWindowsHookEx
            PID:664
          • C:\Windows\system32\DllHost.exe
            C:\Windows\system32\DllHost.exe /Processid:{F9717507-6651-4EDB-BFF7-AE615179BCCF}
            1⤵
              PID:680
            • C:\Windows\system32\DllHost.exe
              C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
              1⤵
                PID:1396

              Network

              MITRE ATT&CK Matrix ATT&CK v6

              Persistence

              Registry Run Keys / Startup Folder

              1
              T1060

              Defense Evasion

              Modify Registry

              2
              T1112

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              • C:\Users\Admin\AppData\Local\Temp\tmp687f4800.bat
                Filesize

                307B

                MD5

                2a15b786a1250400007ca60faadd3858

                SHA1

                e54c548fde6f322fe449bb123cd8b224fe094c25

                SHA256

                0a3b20a9f3bd4074ab54e6be58015734795241ed618baa6826f3e74326a4aef5

                SHA512

                f4db2f7d012c4a86459dc32e958ae41a43155b5a599b0d325f12b19bc2e203c249b1cdf6c810a22519eaae95613f03cfb4b6fd9160d3f5cccbcbed4524f878b6

              • C:\Users\Admin\AppData\Roaming\Goemit\vouda.exe
                Filesize

                138KB

                MD5

                22c4f3a20c28cb248d23cb10acfeb9b1

                SHA1

                8fad185137b43aaabcc7c6a5561ddb9a970498d0

                SHA256

                913f928aa72f6c4a409f9ad43790c88503953d62d939813e539a5da515ac1b3b

                SHA512

                24b2803ddd531aa5a99d121ae2ff947a77c80dd666fb57b5b364b82ae2d105c58f78cbadc3abd3f6dbf9f550f30ca2a3033be0e287c622ea359ad4246c21db3b

              • C:\Users\Admin\AppData\Roaming\Goemit\vouda.exe
                Filesize

                138KB

                MD5

                22c4f3a20c28cb248d23cb10acfeb9b1

                SHA1

                8fad185137b43aaabcc7c6a5561ddb9a970498d0

                SHA256

                913f928aa72f6c4a409f9ad43790c88503953d62d939813e539a5da515ac1b3b

                SHA512

                24b2803ddd531aa5a99d121ae2ff947a77c80dd666fb57b5b364b82ae2d105c58f78cbadc3abd3f6dbf9f550f30ca2a3033be0e287c622ea359ad4246c21db3b

              • C:\Users\Admin\AppData\Roaming\Ygxa\omav.ebr
                Filesize

                398B

                MD5

                faf0e62fd8f170560a7eeed7fca16bc8

                SHA1

                c446c089eb99ce43d27a3602de227c8286e4a631

                SHA256

                c2458323f93df838e37bc63e3a060d8a9ab4887c0385f12c8949df26ec218b95

                SHA512

                277a6eef2602e752963c96ca6af5d28776ee6114757821c2bd9f19f1b829fb05c30009478f98f1484ac2576aed8ad3011e4924b8401a1a258353b3dbf2ad5df8

              • \Users\Admin\AppData\Roaming\Goemit\vouda.exe
                Filesize

                138KB

                MD5

                22c4f3a20c28cb248d23cb10acfeb9b1

                SHA1

                8fad185137b43aaabcc7c6a5561ddb9a970498d0

                SHA256

                913f928aa72f6c4a409f9ad43790c88503953d62d939813e539a5da515ac1b3b

                SHA512

                24b2803ddd531aa5a99d121ae2ff947a77c80dd666fb57b5b364b82ae2d105c58f78cbadc3abd3f6dbf9f550f30ca2a3033be0e287c622ea359ad4246c21db3b

              • \Users\Admin\AppData\Roaming\Goemit\vouda.exe
                Filesize

                138KB

                MD5

                22c4f3a20c28cb248d23cb10acfeb9b1

                SHA1

                8fad185137b43aaabcc7c6a5561ddb9a970498d0

                SHA256

                913f928aa72f6c4a409f9ad43790c88503953d62d939813e539a5da515ac1b3b

                SHA512

                24b2803ddd531aa5a99d121ae2ff947a77c80dd666fb57b5b364b82ae2d105c58f78cbadc3abd3f6dbf9f550f30ca2a3033be0e287c622ea359ad4246c21db3b

              • memory/364-99-0x00000000001C0000-0x00000000001E7000-memory.dmp
                Filesize

                156KB

              • memory/364-100-0x00000000001C0000-0x00000000001E7000-memory.dmp
                Filesize

                156KB

              • memory/364-101-0x00000000001C0000-0x00000000001E7000-memory.dmp
                Filesize

                156KB

              • memory/364-102-0x00000000001C0000-0x00000000001E7000-memory.dmp
                Filesize

                156KB

              • memory/664-120-0x0000000003BC0000-0x0000000003BE7000-memory.dmp
                Filesize

                156KB

              • memory/664-119-0x0000000003BC0000-0x0000000003BE7000-memory.dmp
                Filesize

                156KB

              • memory/664-111-0x0000000002170000-0x0000000002180000-memory.dmp
                Filesize

                64KB

              • memory/664-105-0x0000000002110000-0x0000000002120000-memory.dmp
                Filesize

                64KB

              • memory/664-104-0x000007FEF6701000-0x000007FEF6703000-memory.dmp
                Filesize

                8KB

              • memory/664-103-0x000007FEFBCE1000-0x000007FEFBCE3000-memory.dmp
                Filesize

                8KB

              • memory/664-121-0x0000000003BC0000-0x0000000003BE7000-memory.dmp
                Filesize

                156KB

              • memory/664-122-0x0000000003BC0000-0x0000000003BE7000-memory.dmp
                Filesize

                156KB

              • memory/680-125-0x0000000001C20000-0x0000000001C47000-memory.dmp
                Filesize

                156KB

              • memory/680-126-0x0000000001C20000-0x0000000001C47000-memory.dmp
                Filesize

                156KB

              • memory/864-84-0x00000000024D0000-0x00000000024F7000-memory.dmp
                Filesize

                156KB

              • memory/864-82-0x00000000024D0000-0x00000000024F7000-memory.dmp
                Filesize

                156KB

              • memory/864-54-0x0000000075FB1000-0x0000000075FB3000-memory.dmp
                Filesize

                8KB

              • memory/864-85-0x00000000024D0000-0x00000000024F7000-memory.dmp
                Filesize

                156KB

              • memory/864-83-0x00000000024D0000-0x00000000024F7000-memory.dmp
                Filesize

                156KB

              • memory/864-81-0x00000000024D0000-0x00000000024F7000-memory.dmp
                Filesize

                156KB

              • memory/1216-65-0x00000000002B0000-0x00000000002D7000-memory.dmp
                Filesize

                156KB

              • memory/1216-64-0x00000000002B0000-0x00000000002D7000-memory.dmp
                Filesize

                156KB

              • memory/1216-66-0x00000000002B0000-0x00000000002D7000-memory.dmp
                Filesize

                156KB

              • memory/1216-63-0x00000000002B0000-0x00000000002D7000-memory.dmp
                Filesize

                156KB

              • memory/1216-61-0x00000000002B0000-0x00000000002D7000-memory.dmp
                Filesize

                156KB

              • memory/1296-72-0x0000000001BD0000-0x0000000001BF7000-memory.dmp
                Filesize

                156KB

              • memory/1296-69-0x0000000001BD0000-0x0000000001BF7000-memory.dmp
                Filesize

                156KB

              • memory/1296-70-0x0000000001BD0000-0x0000000001BF7000-memory.dmp
                Filesize

                156KB

              • memory/1296-71-0x0000000001BD0000-0x0000000001BF7000-memory.dmp
                Filesize

                156KB

              • memory/1376-78-0x0000000002760000-0x0000000002787000-memory.dmp
                Filesize

                156KB

              • memory/1376-75-0x0000000002760000-0x0000000002787000-memory.dmp
                Filesize

                156KB

              • memory/1376-77-0x0000000002760000-0x0000000002787000-memory.dmp
                Filesize

                156KB

              • memory/1376-76-0x0000000002760000-0x0000000002787000-memory.dmp
                Filesize

                156KB

              • memory/1600-57-0x0000000000000000-mapping.dmp
              • memory/1956-96-0x0000000000050000-0x0000000000077000-memory.dmp
                Filesize

                156KB

              • memory/1956-94-0x0000000000062CBA-mapping.dmp
              • memory/1956-93-0x0000000000050000-0x0000000000077000-memory.dmp
                Filesize

                156KB

              • memory/1956-92-0x0000000000050000-0x0000000000077000-memory.dmp
                Filesize

                156KB

              • memory/1956-91-0x0000000000050000-0x0000000000077000-memory.dmp
                Filesize

                156KB

              • memory/1956-88-0x0000000000050000-0x0000000000077000-memory.dmp
                Filesize

                156KB

              • memory/1956-135-0x0000000000050000-0x0000000000077000-memory.dmp
                Filesize

                156KB