Analysis

  • max time kernel
    9s
  • max time network
    3s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-10-2022 14:36

General

  • Target

    3dd55aaa3bd6ff4db89ba236b3d2eb97676f402a494421269a627ecb5e20b76e.exe

  • Size

    134KB

  • MD5

    697fb9485469007d6e4c31b72265bc90

  • SHA1

    d2a37c56f97ffeaf5b34ccd43ceb53463fc21eb5

  • SHA256

    3dd55aaa3bd6ff4db89ba236b3d2eb97676f402a494421269a627ecb5e20b76e

  • SHA512

    2ba8fc34512bfbe4a879cee494f37c19b63eea6ab3e11ce51a66304d64309e33e5ee2f117783b746d731663ed1b3f6d52852eb7f0d9524c2bdfbeb29e9430cb7

  • SSDEEP

    3072:W4ofSu5F16DVWaMyKxgUEkUbQI4ng4vST:8Su5n6DVWaExfI4OT

Malware Config

Extracted

Family

xtremerat

C2

ahmed1111.no-ip.biz

Signatures

  • Detect XtremeRAT payload 6 IoCs
  • XtremeRAT

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

  • UPX packed file 7 IoCs

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

  • 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 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3dd55aaa3bd6ff4db89ba236b3d2eb97676f402a494421269a627ecb5e20b76e.exe
    "C:\Users\Admin\AppData\Local\Temp\3dd55aaa3bd6ff4db89ba236b3d2eb97676f402a494421269a627ecb5e20b76e.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2876
    • C:\Users\Admin\AppData\Local\Temp\3dd55aaa3bd6ff4db89ba236b3d2eb97676f402a494421269a627ecb5e20b76e.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1728
      • C:\Windows\SysWOW64\svchost.exe
        svchost.exe
        3⤵
          PID:4216
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 4216 -s 480
            4⤵
            • Program crash
            PID:2156
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 4216 -s 488
            4⤵
            • Program crash
            PID:4708
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
          3⤵
            PID:4848
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4216 -ip 4216
        1⤵
          PID:900
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4216 -ip 4216
          1⤵
            PID:3576

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/1728-134-0x0000000000000000-mapping.dmp

          • memory/1728-135-0x0000000010000000-0x0000000010048000-memory.dmp

            Filesize

            288KB

          • memory/1728-137-0x0000000010000000-0x0000000010048000-memory.dmp

            Filesize

            288KB

          • memory/1728-138-0x0000000010000000-0x0000000010048000-memory.dmp

            Filesize

            288KB

          • memory/1728-139-0x0000000010000000-0x0000000010048000-memory.dmp

            Filesize

            288KB

          • memory/1728-142-0x0000000010000000-0x0000000010048000-memory.dmp

            Filesize

            288KB

          • memory/4216-140-0x0000000000000000-mapping.dmp

          • memory/4216-141-0x0000000010000000-0x0000000010048000-memory.dmp

            Filesize

            288KB

          • memory/4216-143-0x0000000010000000-0x0000000010048000-memory.dmp

            Filesize

            288KB