Analysis

  • max time kernel
    121s
  • max time network
    139s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    26/12/2023, 15:08

General

  • Target

    77ef09fec41a20b67a1f2e89fb592113.exe

  • Size

    41KB

  • MD5

    77ef09fec41a20b67a1f2e89fb592113

  • SHA1

    1fe663cf9e9c91f1cb3d691074d1d9ad4defe6ea

  • SHA256

    398775636fcd308b9f1b78c3741d004a05a85831d9a8c14106462bc31d388a90

  • SHA512

    9018a6c206b57b7e937ad46cffb457c2a2a15abfdcb3518655a5c20b0bd1d40e59cbfb3d515c987986d47a27e9146babcec995706b94f2dfaf328fb73b23ba77

  • SSDEEP

    768:QIBar1ZIZYnfI9opm6AIHIjaI7g9mVmUn9oNE/W5dRV8:pW1ZIZqI9opm6AIHIjzmUWNzd

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\77ef09fec41a20b67a1f2e89fb592113.exe
    "C:\Users\Admin\AppData\Local\Temp\77ef09fec41a20b67a1f2e89fb592113.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2288
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\77EF09~1.EXE >> NUL
      2⤵
      • Deletes itself
      PID:2708
    • C:\Users\Admin\sxhost.exe
      "C:\Users\Admin\sxhost.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:2252
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c del C:\Users\Admin\sxhost.exe >> NUL
        3⤵
          PID:2736

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • \Users\Admin\sxhost.exe

            Filesize

            41KB

            MD5

            77ef09fec41a20b67a1f2e89fb592113

            SHA1

            1fe663cf9e9c91f1cb3d691074d1d9ad4defe6ea

            SHA256

            398775636fcd308b9f1b78c3741d004a05a85831d9a8c14106462bc31d388a90

            SHA512

            9018a6c206b57b7e937ad46cffb457c2a2a15abfdcb3518655a5c20b0bd1d40e59cbfb3d515c987986d47a27e9146babcec995706b94f2dfaf328fb73b23ba77

          • memory/2252-12-0x0000000000400000-0x0000000000415000-memory.dmp

            Filesize

            84KB

          • memory/2252-18-0x0000000000400000-0x0000000000415000-memory.dmp

            Filesize

            84KB

          • memory/2288-0-0x0000000000400000-0x0000000000415000-memory.dmp

            Filesize

            84KB

          • memory/2288-13-0x0000000000400000-0x0000000000415000-memory.dmp

            Filesize

            84KB

          • memory/2288-10-0x0000000001F00000-0x0000000001F15000-memory.dmp

            Filesize

            84KB

          • memory/2288-5-0x0000000001F00000-0x0000000001F15000-memory.dmp

            Filesize

            84KB