Analysis

  • max time kernel
    140s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/12/2022, 23:39

General

  • Target
    9d5dfb3802dbd1b278fbaa2ac64f1c14fe3e5f2bda093fa7690fb0fb7f4ae7d0.exe
  • Size 681KB
  • Sample221203-3m9vwsff59
  • SHA256 9d5dfb3802dbd1b278fbaa2ac64f1c14fe3e5f2bda093fa7690fb0fb7f4ae7d0
  • MD5 SHA1 SHA512 SSDEEP
Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Loads dropped DLL 6 IoCs
  • Drops file in Program Files directory 8 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer Automatic Crash Recovery 1 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 27 IoCs
  • Runs ping.exe 1 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9d5dfb3802dbd1b278fbaa2ac64f1c14fe3e5f2bda093fa7690fb0fb7f4ae7d0.exe
    "C:\Users\Admin\AppData\Local\Temp\9d5dfb3802dbd1b278fbaa2ac64f1c14fe3e5f2bda093fa7690fb0fb7f4ae7d0.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3368
    • C:\Xvcpcsexpre_setup.exe
      "C:\Xvcpcsexpre_setup.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4348
      • C:\Program Files (x86)\Xvcpcsexpre.exe
        "C:\Program Files (x86)\Xvcpcsexpre.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Drops file in Program Files directory
        • Modifies Internet Explorer Automatic Crash Recovery
        • Modifies Internet Explorer settings
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4544
        • C:\Program Files\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files\Internet Explorer\IEXPLORE.EXE" -nohome
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2392
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2392 CREDAT:17410 /prefetch:2
            5⤵
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:3336
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ping 127.0.0.1 -n 10 &del "C:\Xvcpcsexpre_setup.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2704
        • C:\Windows\SysWOW64\PING.EXE
          ping 127.0.0.1 -n 10
          4⤵
          • Runs ping.exe
          PID:3624
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ping 127.0.0.1 -n 10 &del "C:\C:\dp1.fne"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:664
        • C:\Windows\SysWOW64\PING.EXE
          ping 127.0.0.1 -n 10
          4⤵
          • Runs ping.exe
          PID:1976
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ping 127.0.0.1 -n 10 &del "C:\C:\Exmlrpc.fne"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2364
        • C:\Windows\SysWOW64\PING.EXE
          ping 127.0.0.1 -n 10
          4⤵
          • Runs ping.exe
          PID:3380
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ping 127.0.0.1 -n 10 &del "C:\C:\krnln.fnr"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2612
        • C:\Windows\SysWOW64\PING.EXE
          ping 127.0.0.1 -n 10
          4⤵
          • Runs ping.exe
          PID:4848

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        Exmlrpc.fne

        • Path C:\Exmlrpc.fne
        • Size 92KB
        • SHA256 3fbbb93599c220dbf6b37138f01eb64de6412e462be520eae1cf173b7d211338
        • MD5 SHA1 SHA512 SSDEEP

        Xvcpcsexpre.exe

        • Path C:\Program Files (x86)\Xvcpcsexpre.exe
        • Size 9.4MB
        • SHA256 35c17161c123b04ccc02c09625c50cae5ab85324b9b3152ec4f8a4f19ee75ec5
        • MD5 SHA1 SHA512 SSDEEP

        Xvcpcsexpre.exe

        • Path C:\Program Files (x86)\Xvcpcsexpre.exe
        • Size 9.4MB
        • SHA256 35c17161c123b04ccc02c09625c50cae5ab85324b9b3152ec4f8a4f19ee75ec5
        • MD5 SHA1 SHA512 SSDEEP

        dp1.fne

        • Path C:\Program Files (x86)\dp1.fne
        • Size 128KB
        • SHA256 abebbb0981d3d51eb63abcfa68be98da0cae4e6e3b143dd431fc845d1457dbd2
        • MD5 SHA1 SHA512 SSDEEP

        dp1.fne

        • Path C:\Program Files (x86)\dp1.fne
        • Size 128KB
        • SHA256 abebbb0981d3d51eb63abcfa68be98da0cae4e6e3b143dd431fc845d1457dbd2
        • MD5 SHA1 SHA512 SSDEEP

        dp1.fne

        • Path C:\Program Files (x86)\dp1.fne
        • Size 128KB
        • SHA256 abebbb0981d3d51eb63abcfa68be98da0cae4e6e3b143dd431fc845d1457dbd2
        • MD5 SHA1 SHA512 SSDEEP

        krnln.fnr

        • Path C:\Program Files (x86)\krnln.fnr
        • Size 1.0MB
        • SHA256 6ced19283dbbb95f264448f380592f4e98ba8228efca2f68821ab3ae61029d93
        • MD5 SHA1 SHA512 SSDEEP

        krnln.fnr

        • Path C:\Program Files (x86)\krnln.fnr
        • Size 1.0MB
        • SHA256 6ced19283dbbb95f264448f380592f4e98ba8228efca2f68821ab3ae61029d93
        • MD5 SHA1 SHA512 SSDEEP

        Xvcpcsexpre_setup.exe

        • Path C:\Xvcpcsexpre_setup.exe
        • Size 9.4MB
        • SHA256 8f4dd09c92c8d37d1a40fbdc704e7d8da24a7c801a1e3092a8bd3af3469cee88
        • MD5 SHA1 SHA512 SSDEEP

        Xvcpcsexpre_setup.exe

        • Path C:\Xvcpcsexpre_setup.exe
        • Size 9.4MB
        • SHA256 8f4dd09c92c8d37d1a40fbdc704e7d8da24a7c801a1e3092a8bd3af3469cee88
        • MD5 SHA1 SHA512 SSDEEP

        dp1.fne

        • Path C:\dp1.fne
        • Size 128KB
        • SHA256 abebbb0981d3d51eb63abcfa68be98da0cae4e6e3b143dd431fc845d1457dbd2
        • MD5 SHA1 SHA512 SSDEEP

        dp1.fne

        • Path C:\dp1.fne
        • Size 128KB
        • SHA256 abebbb0981d3d51eb63abcfa68be98da0cae4e6e3b143dd431fc845d1457dbd2
        • MD5 SHA1 SHA512 SSDEEP

        dp1.fne

        • Path C:\dp1.fne
        • Size 128KB
        • SHA256 abebbb0981d3d51eb63abcfa68be98da0cae4e6e3b143dd431fc845d1457dbd2
        • MD5 SHA1 SHA512 SSDEEP

        krnln.fnr

        • Path C:\krnln.fnr
        • Size 1.0MB
        • SHA256 6ced19283dbbb95f264448f380592f4e98ba8228efca2f68821ab3ae61029d93
        • MD5 SHA1 SHA512 SSDEEP

        krnln.fnr

        • Path C:\krnln.fnr
        • Size 1.0MB
        • SHA256 6ced19283dbbb95f264448f380592f4e98ba8228efca2f68821ab3ae61029d93
        • MD5 SHA1 SHA512 SSDEEP

        memory/4348-139-0x0000000000400000-0x0000000000D69000-memory.dmp

        memory/4348-142-0x0000000002C10000-0x0000000002C3E000-memory.dmp

        memory/4544-152-0x0000000000400000-0x0000000000D69000-memory.dmp

        memory/4544-151-0x00000000010A0000-0x00000000010CE000-memory.dmp