Analysis

  • max time kernel
    138s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-02-2024 05:23

General

  • Target

    8b8118ac760f94dbffd9dabc1f95e016.exe

  • Size

    675KB

  • MD5

    8b8118ac760f94dbffd9dabc1f95e016

  • SHA1

    2271c00c46709a3b6ae3c2c158ea81baf1a568ff

  • SHA256

    a05dc0396c88fd09e2efd9e6ed22c5f2359b4ab8b79dd41a15325929a3dc132c

  • SHA512

    81367157fac0be832dedb043b88ce629dd2d81ee669df3838c53fdc30fd1c873fa43172657f32dfdce92855ea04fd35f92111f3f7d86ccc0e98d350cf9f2fa1f

  • SSDEEP

    12288:KOwQHo7YNQ8LPxez8dFlZqB5UG8HUxjRydmKcF+YM2WJePxMdy/:KOwDwQfz+8MHUxym1+RAPxMs/

Malware Config

Extracted

Family

xtremerat

C2

nana10.no-ip.biz

Signatures

  • Detect XtremeRAT payload 7 IoCs
  • XtremeRAT

    The XtremeRAT was developed by xtremecoder and has been available since at least 2010, and written in Delphi.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8b8118ac760f94dbffd9dabc1f95e016.exe
    "C:\Users\Admin\AppData\Local\Temp\8b8118ac760f94dbffd9dabc1f95e016.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3336
    • C:\Users\Admin\AppData\Local\Temp\8b8118ac760f94dbffd9dabc1f95e016.exe
      C:\Users\Admin\AppData\Local\Temp\8b8118ac760f94dbffd9dabc1f95e016.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1020
      • C:\Windows\SysWOW64\svchost.exe
        svchost.exe
        3⤵
          PID:4492
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 4492 -s 484
            4⤵
            • Program crash
            PID:3268
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 4492 -s 492
            4⤵
            • Program crash
            PID:4376
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
          3⤵
            PID:4088
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 4492 -ip 4492
        1⤵
          PID:1480
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 4492 -ip 4492
          1⤵
            PID:4476

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/1020-4-0x0000000010000000-0x0000000010046000-memory.dmp

            Filesize

            280KB

          • memory/1020-5-0x0000000010000000-0x0000000010046000-memory.dmp

            Filesize

            280KB

          • memory/1020-6-0x0000000010000000-0x0000000010046000-memory.dmp

            Filesize

            280KB

          • memory/1020-8-0x0000000010000000-0x0000000010046000-memory.dmp

            Filesize

            280KB

          • memory/1020-10-0x0000000010000000-0x0000000010046000-memory.dmp

            Filesize

            280KB

          • memory/3336-0-0x0000000000400000-0x00000000007AA000-memory.dmp

            Filesize

            3.7MB

          • memory/3336-7-0x0000000000400000-0x00000000007AA000-memory.dmp

            Filesize

            3.7MB

          • memory/4492-9-0x0000000010000000-0x0000000010046000-memory.dmp

            Filesize

            280KB

          • memory/4492-11-0x0000000010000000-0x0000000010046000-memory.dmp

            Filesize

            280KB