Analysis

  • max time kernel
    141s
  • max time network
    154s
  • 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, 16:22

General

  • Target

    ed19890e682b425e2e793e6d50d2007fbc972d99d1a59bdf84dac85efc5b56ce.exe

  • Size

    108KB

  • MD5

    235b427faf680f993abc1942f180bbde

  • SHA1

    f376d85034e732df4c27365a514972001b0b0474

  • SHA256

    ed19890e682b425e2e793e6d50d2007fbc972d99d1a59bdf84dac85efc5b56ce

  • SHA512

    42eb7a8879e144d93269431083b405cdfed45a0cde78f59675cf8e81b2b126b12395f7ed0d9511bef33f6c13e8b50d595a6e2ddf31be58b8d7ccc686c2ba409d

  • SSDEEP

    1536:6YTx/EFizHrIksvsYEIwZGhB7H2X/QuPNPlqwAmLOqIxDh871vNNlzx:62LIFP7WX7lqw5OqCh6xp

Malware Config

Extracted

Family

xtremerat

C2

\Users\richard\AppData\Roaming\Microsoft\linep.no-ip.org

Signatures

  • Detect XtremeRAT payload 8 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). Likely ransomware behaviour.

  • Program crash 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ed19890e682b425e2e793e6d50d2007fbc972d99d1a59bdf84dac85efc5b56ce.exe
    "C:\Users\Admin\AppData\Local\Temp\ed19890e682b425e2e793e6d50d2007fbc972d99d1a59bdf84dac85efc5b56ce.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:448
    • C:\Users\Admin\AppData\Local\Temp\ed19890e682b425e2e793e6d50d2007fbc972d99d1a59bdf84dac85efc5b56ce.exe
      C:\Users\Admin\AppData\Local\Temp\ed19890e682b425e2e793e6d50d2007fbc972d99d1a59bdf84dac85efc5b56ce.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:5116
      • C:\Windows\SysWOW64\svchost.exe
        svchost.exe
        3⤵
          PID:4444
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 4444 -s 480
            4⤵
            • Program crash
            PID:3436
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 4444 -s 488
            4⤵
            • Program crash
            PID:2332
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
          3⤵
            PID:4904
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 4444 -ip 4444
        1⤵
          PID:3388
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4444 -ip 4444
          1⤵
            PID:5112

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/4444-141-0x0000000010000000-0x000000001004A000-memory.dmp

            Filesize

            296KB

          • memory/5116-135-0x0000000010000000-0x000000001004A000-memory.dmp

            Filesize

            296KB

          • memory/5116-136-0x0000000010000000-0x000000001004A000-memory.dmp

            Filesize

            296KB

          • memory/5116-137-0x0000000010000000-0x000000001004A000-memory.dmp

            Filesize

            296KB

          • memory/5116-138-0x0000000010000000-0x000000001004A000-memory.dmp

            Filesize

            296KB

          • memory/5116-140-0x0000000010000000-0x000000001004A000-memory.dmp

            Filesize

            296KB