Analysis

  • max time kernel
    245s
  • max time network
    299s
  • 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, 20:27

General

  • Target

    8e9db5a2df7bacb20ef8615c41b6ef136b9c37c169d2aed09dc879de4a589438.exe

  • Size

    27KB

  • MD5

    589b6259111cea353ece5a00fcddeb5f

  • SHA1

    dbede510bb820a26b7154e83d580dda0c3892114

  • SHA256

    8e9db5a2df7bacb20ef8615c41b6ef136b9c37c169d2aed09dc879de4a589438

  • SHA512

    a05e0acb1ed8023779fc6fb7e2ea052d9e33a5ea59fb15a6d6dbe63756fe5aea1a3e0bab0ca875cb47e502c1cea5aaabddffa37139b2fe19171366327ac9499d

  • SSDEEP

    768:3DvUGW+cwg39Sa4ee3nsCmOesTEOoANY:wGBcDB4z3VnesGh

Malware Config

Extracted

Family

xtremerat

C2

fons.no-ip.info

C:\Users\Publfons.no-ip.biz

Signatures

  • Detect XtremeRAT payload 3 IoCs
  • XtremeRAT

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

  • UPX packed file 3 IoCs

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

  • 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 WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8e9db5a2df7bacb20ef8615c41b6ef136b9c37c169d2aed09dc879de4a589438.exe
    "C:\Users\Admin\AppData\Local\Temp\8e9db5a2df7bacb20ef8615c41b6ef136b9c37c169d2aed09dc879de4a589438.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4688
    • C:\Windows\SysWOW64\svchost.exe
      svchost.exe
      2⤵
        PID:3588
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3588 -s 480
          3⤵
          • Program crash
          PID:648
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3588 -s 488
          3⤵
          • Program crash
          PID:3428
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
        2⤵
          PID:3452
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3588 -ip 3588
        1⤵
          PID:1720
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 3588 -ip 3588
          1⤵
            PID:3028

          Network

                MITRE ATT&CK Enterprise v6

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                • memory/3588-135-0x0000000010000000-0x0000000010049000-memory.dmp

                  Filesize

                  292KB

                • memory/4688-132-0x0000000010000000-0x0000000010049000-memory.dmp

                  Filesize

                  292KB

                • memory/4688-134-0x0000000010000000-0x0000000010049000-memory.dmp

                  Filesize

                  292KB