Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    10/03/2024, 03:33

General

  • Target
    vpn.exe
  • Size 1.0MB
  • Sample240310-d37yssbc74
  • SHA256 b317a4e36ea8c4f943d6f1d3f933bb96d29aa6ba16c48a7b5c9db07b5a17bbd2
  • MD5 SHA1 SHA512 SSDEEP
Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 6 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies system certificate store 2 TTPs 6 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of WriteProcessMemory 32 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\vpn.exe
    "C:\Users\Admin\AppData\Local\Temp\vpn.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:2992
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c LvTasfZdX
      2⤵
        PID:1972
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c cmd < Rapiva.mov
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2000
        • C:\Windows\SysWOW64\cmd.exe
          cmd
          3⤵
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:2608
          • C:\Windows\SysWOW64\findstr.exe
            findstr /V /R "^pAvofqIrkohjdrCgCTcBhWrPbuXmHqloifUaNcpwSZexQIXXPwRGojGjbGKoroclYytqolBuKxJgUJZOpqKGoDZUJIVuKqXJDRcKDXOFmLVODaaNHWZrnPwxulsAgccJvZKehgkkktubI$" Sento.mov
            4⤵
              PID:2680
            • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Arteria.exe.com
              Arteria.exe.com U
              4⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Suspicious use of WriteProcessMemory
              PID:2568
              • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Arteria.exe.com
                C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Arteria.exe.com U
                5⤵
                • Executes dropped EXE
                • Checks processor information in registry
                • Suspicious use of WriteProcessMemory
                PID:2528
                • C:\Windows\SysWOW64\WScript.exe
                  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\gojfupoq.vbs"
                  6⤵
                  • Blocklisted process makes network request
                  • Modifies system certificate store
                  PID:1668
            • C:\Windows\SysWOW64\PING.EXE
              ping localhost -n 30
              4⤵
              • Runs ping.exe
              PID:2052

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            94308059B57B3142E455B38A6EB92015

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
            • Size 67KB
            • SHA256 b42dc237e44cbc9a43400e7d3f9cbd406dbdefd62bfe87328f8663897d69df78
            • MD5 SHA1 SHA512 SSDEEP

            94308059B57B3142E455B38A6EB92015

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
            • Size 344B
            • SHA256 a67ec6f37abdf3722d9d632e875764dc1ddbb9904209a533d4b2390c25a911f3
            • MD5 SHA1 SHA512

            79F2.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\79F2.tmp
            • Size 313B
            • SHA256 b90eae4b05d321efc4519963349c1775dcea8e3b0ae53b50285545380b6539c0
            • MD5 SHA1 SHA512

            CabB5F9.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\CabB5F9.tmp
            • Size 65KB
            • SHA256 c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d
            • MD5 SHA1 SHA512 SSDEEP

            Disconosci.mov

            • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Disconosci.mov
            • Size 139KB
            • SHA256 4cae657014aa9d240dca1339626ea9ff4442695b7c758e77146803da475d31a0
            • MD5 SHA1 SHA512 SSDEEP

            Mutato.mov

            • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Mutato.mov
            • Size 713KB
            • SHA256 13cf314114608f1b8277ca7647b5210a60275469567967080a689c6c0fdf4533
            • MD5 SHA1 SHA512 SSDEEP

            Rapiva.mov

            • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Rapiva.mov
            • Size 497B
            • SHA256 e64a1cb9aa2c169c8edb5d962f9bc679f852b6ae4364cca86e7b01b1c0d4479d
            • MD5 SHA1 SHA512

            Sento.mov

            • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Sento.mov
            • Size 872KB
            • SHA256 7167e77a7461f0acb586e23ec43ad218fa5cea2ecd6dd80c62d35be452680912
            • MD5 SHA1 SHA512 SSDEEP

            TarB738.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\TarB738.tmp
            • Size 175KB
            • SHA256 a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22
            • MD5 SHA1 SHA512 SSDEEP

            gojfupoq.vbs

            • Path C:\Users\Admin\AppData\Local\Temp\gojfupoq.vbs
            • Size 141B
            • SHA256 89ff44084040dfd2a2a8d83d70994a01884989aae9bff40bce175a387a973400
            • MD5 SHA1 SHA512

            Arteria.exe.com

            • Path \Users\Admin\AppData\Local\Temp\IXP000.TMP\Arteria.exe.com
            • Size 872KB
            • SHA256 237d1bca6e056df5bb16a1216a434634109478f882d3b1d58344c801d184f95d
            • MD5 SHA1 SHA512 SSDEEP

            memory/2528-24-0x0000000000150000-0x0000000000151000-memory.dmp

            memory/2528-31-0x0000000003980000-0x00000000039A7000-memory.dmp

            memory/2528-30-0x0000000003980000-0x00000000039A7000-memory.dmp

            memory/2528-43-0x0000000003980000-0x00000000039A7000-memory.dmp

            memory/2528-29-0x0000000003980000-0x00000000039A7000-memory.dmp

            memory/2528-28-0x0000000003980000-0x00000000039A7000-memory.dmp

            memory/2528-27-0x0000000003980000-0x00000000039A7000-memory.dmp

            memory/2528-26-0x0000000003980000-0x00000000039A7000-memory.dmp

            memory/2528-25-0x0000000003980000-0x00000000039A7000-memory.dmp