Analysis

  • max time kernel
    197s
  • max time network
    207s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 19:01

General

  • Target

    c8e89bc12e639b4d2fa69591b60224515bcff7996cb758f6025a6f8f03902c58.exe

  • Size

    317KB

  • MD5

    43005d910989d6d164915a1137baf860

  • SHA1

    6b1f3c4a8b95c632cb00c56845ec69cf0aa00b7c

  • SHA256

    c8e89bc12e639b4d2fa69591b60224515bcff7996cb758f6025a6f8f03902c58

  • SHA512

    08e1d54d9a5b719145bcd07db52691f0fd2316d88f123c1539aa699ea127a517805f278d43e9efd1ead3b9e6e2d692edccf792ff71223c0588ff82a15659499a

  • SSDEEP

    6144:rP80iFlOwIjKou2QpK44i8eE68Z2cXvp/IHeiorgVZ:rktQwIuouDK4llE6lcXhA+i3

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 24 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Windows directory 1 IoCs
  • Program crash 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 21 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 10 IoCs
  • Suspicious use of WriteProcessMemory 44 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c8e89bc12e639b4d2fa69591b60224515bcff7996cb758f6025a6f8f03902c58.exe
    "C:\Users\Admin\AppData\Local\Temp\c8e89bc12e639b4d2fa69591b60224515bcff7996cb758f6025a6f8f03902c58.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:968
    • C:\Users\Admin\AppData\Local\Temp\c8e89bc12e639b4d2fa69591b60224515bcff7996cb758f6025a6f8f03902c58mgr.exe
      C:\Users\Admin\AppData\Local\Temp\c8e89bc12e639b4d2fa69591b60224515bcff7996cb758f6025a6f8f03902c58mgr.exe
      2⤵
      • Executes dropped EXE
      PID:4712
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4712 -s 256
        3⤵
        • Program crash
        PID:320
    • C:\Users\Admin\AppData\Local\Temp\c8e89bc12e639b4d2fa69591b60224515bcff7996cb758f6025a6f8f03902c58.exe
      "C:\Users\Admin\AppData\Local\Temp\c8e89bc12e639b4d2fa69591b60224515bcff7996cb758f6025a6f8f03902c58.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:2120
      • C:\Windows\SysWOW64\svchost.exe
        "C:\Windows\system32\svchost.exe"
        3⤵
        • Enumerates connected drives
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4508
        • C:\Windows\SysWOW64\mspaint.exe
          "C:\Windows\system32\mspaint.exe"
          4⤵
          • Adds Run key to start application
          • Enumerates connected drives
          • Drops file in Windows directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:4596
      • C:\Users\Admin\AppData\Local\Temp\c8e89bc12e639b4d2fa69591b60224515bcff7996cb758f6025a6f8f03902c58.exe
        "C:\Users\Admin\AppData\Local\Temp\c8e89bc12e639b4d2fa69591b60224515bcff7996cb758f6025a6f8f03902c58.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4492
        • C:\Program Files (x86)\Internet Explorer\iexplore.exe
          "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
          4⤵
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:4988
          • C:\Program Files\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
            5⤵
            • Modifies Internet Explorer settings
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:3500
            • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
              "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3500 CREDAT:17410 /prefetch:2
              6⤵
              • Modifies Internet Explorer settings
              • Suspicious use of SetWindowsHookEx
              PID:4188
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 4712 -ip 4712
    1⤵
      PID:4364
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s DeviceAssociationService
      1⤵
        PID:2624

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\c8e89bc12e639b4d2fa69591b60224515bcff7996cb758f6025a6f8f03902c58mgr.exe

        Filesize

        143KB

        MD5

        926a51a69d4cd3b64dc0b6769dc2687c

        SHA1

        ecd8ee4160d0b78303900a31f8f365b216ac9867

        SHA256

        9361755715f0c99961824bc1201071e9a3386b27b2ed6094db911b3c48351423

        SHA512

        5bf67c92c2e5b379961b8ccde6503fc603632db34e2762d09a5997539a99d16499b6a6a9f806f9dc1d613374c1089df957b5599c442740bc32c745a7a76426e1

      • C:\Users\Admin\AppData\Local\Temp\c8e89bc12e639b4d2fa69591b60224515bcff7996cb758f6025a6f8f03902c58mgr.exe

        Filesize

        143KB

        MD5

        926a51a69d4cd3b64dc0b6769dc2687c

        SHA1

        ecd8ee4160d0b78303900a31f8f365b216ac9867

        SHA256

        9361755715f0c99961824bc1201071e9a3386b27b2ed6094db911b3c48351423

        SHA512

        5bf67c92c2e5b379961b8ccde6503fc603632db34e2762d09a5997539a99d16499b6a6a9f806f9dc1d613374c1089df957b5599c442740bc32c745a7a76426e1

      • memory/968-140-0x0000000000400000-0x0000000000456000-memory.dmp

        Filesize

        344KB

      • memory/968-132-0x0000000000400000-0x0000000000456000-memory.dmp

        Filesize

        344KB

      • memory/2120-145-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2120-137-0x0000000000000000-mapping.dmp

      • memory/2120-138-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4492-143-0x0000000000000000-mapping.dmp

      • memory/4492-148-0x0000000000400000-0x000000000044E000-memory.dmp

        Filesize

        312KB

      • memory/4492-152-0x0000000000400000-0x000000000044E000-memory.dmp

        Filesize

        312KB

      • memory/4492-150-0x0000000000400000-0x000000000044E000-memory.dmp

        Filesize

        312KB

      • memory/4492-144-0x0000000000400000-0x000000000044E000-memory.dmp

        Filesize

        312KB

      • memory/4508-147-0x0000000000E30000-0x0000000000E51000-memory.dmp

        Filesize

        132KB

      • memory/4508-151-0x0000000000E30000-0x0000000000E51000-memory.dmp

        Filesize

        132KB

      • memory/4508-142-0x0000000000000000-mapping.dmp

      • memory/4508-153-0x00000000030C0000-0x000000000310E000-memory.dmp

        Filesize

        312KB

      • memory/4596-149-0x0000000000000000-mapping.dmp

      • memory/4596-154-0x0000000003430000-0x000000000347E000-memory.dmp

        Filesize

        312KB

      • memory/4596-155-0x0000000003430000-0x000000000347E000-memory.dmp

        Filesize

        312KB

      • memory/4712-133-0x0000000000000000-mapping.dmp

      • memory/4712-141-0x0000000000400000-0x0000000000467000-memory.dmp

        Filesize

        412KB

      • memory/4712-136-0x0000000000400000-0x0000000000467000-memory.dmp

        Filesize

        412KB