Analysis

  • max time kernel
    159s
  • max time network
    178s
  • 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, 19:57

General

  • Target

    f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe

  • Size

    129KB

  • MD5

    592a5289ac3be4c662cb17e5b41295f8

  • SHA1

    b80377f433f860363666493c85892503765a07b0

  • SHA256

    f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde

  • SHA512

    689c32423b7f3e23a45012e5dcb5a88da4204362120a350d85802931b2501584b323af7b9a1ac7e51b5000194cd054146a96e08c0932f0d8a8da107eb2c2ba1f

  • SSDEEP

    3072:ixB0wn0Ber4w5IKIi2w02StvPR5FlWpCDvaV/318vObb:in4wvzfEZoQ7E/tb

Malware Config

Extracted

Family

xtremerat

C2

pestaxxlol.no-ip.org

Signatures

  • Detect XtremeRAT payload 4 IoCs
  • XtremeRAT

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

  • UPX packed file 5 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\f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe
    "C:\Users\Admin\AppData\Local\Temp\f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2576
    • C:\Users\Admin\AppData\Local\Temp\f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe
      "C:\Users\Admin\AppData\Local\Temp\f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1696
      • C:\Windows\SysWOW64\svchost.exe
        svchost.exe
        3⤵
          PID:3868
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 3868 -s 484
            4⤵
            • Program crash
            PID:2720
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 3868 -s 492
            4⤵
            • Program crash
            PID:2196
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
          3⤵
            PID:4316
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 3868 -ip 3868
        1⤵
          PID:4012
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 180 -p 3868 -ip 3868
          1⤵
            PID:2352

          Network

                MITRE ATT&CK Enterprise v6

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                • memory/1696-135-0x0000000010000000-0x000000001004D000-memory.dmp

                  Filesize

                  308KB

                • memory/1696-137-0x0000000010000000-0x000000001004D000-memory.dmp

                  Filesize

                  308KB

                • memory/1696-138-0x0000000010000000-0x000000001004D000-memory.dmp

                  Filesize

                  308KB

                • memory/1696-140-0x0000000010000000-0x000000001004D000-memory.dmp

                  Filesize

                  308KB

                • memory/3868-141-0x0000000010000000-0x000000001004D000-memory.dmp

                  Filesize

                  308KB