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Analysis

  • max time kernel
    152s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    06/12/2022, 15:04

General

  • Target

    567500b59ed387275adcf582e0cf72385ad7d50bf76309e1970233f7910b61d1.exe

  • Size

    160KB

  • MD5

    0e31db04153b69301c0bddc6ce225b7d

  • SHA1

    2b5b28203b193c2bf12fe2674217c6490d300b9a

  • SHA256

    567500b59ed387275adcf582e0cf72385ad7d50bf76309e1970233f7910b61d1

  • SHA512

    eb7863dd9d6fb2b0d631315eeb20d07fc6e8ac50ca50cebc8a5d36d73d421cd6e05012925ce19f403c119b139b233813a0add75de37f6eebcb1d35530a0221b8

  • SSDEEP

    1536:y8bw9gC2LBsuc3+yepJW8Hf6tLzvLoxAd3WsHU6mDWTSsP27o01M:6gCOO3+zpfHgLfow3W0U6aUj01M

Malware Config

Extracted

Family

xtremerat

C2

b3efpwn.no-ip.biz

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.

  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\567500b59ed387275adcf582e0cf72385ad7d50bf76309e1970233f7910b61d1.exe
    "C:\Users\Admin\AppData\Local\Temp\567500b59ed387275adcf582e0cf72385ad7d50bf76309e1970233f7910b61d1.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1036
    • C:\Users\Admin\AppData\Local\Temp\567500b59ed387275adcf582e0cf72385ad7d50bf76309e1970233f7910b61d1.exe
      "C:\Users\Admin\AppData\Local\Temp\567500b59ed387275adcf582e0cf72385ad7d50bf76309e1970233f7910b61d1.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1676
      • C:\Windows\SysWOW64\svchost.exe
        svchost.exe
        3⤵
          PID:1756
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe"
          3⤵
            PID:2012

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1676-57-0x0000000010000000-0x0000000010047000-memory.dmp

        Filesize

        284KB

      • memory/1676-58-0x00000000753C1000-0x00000000753C3000-memory.dmp

        Filesize

        8KB

      • memory/1676-59-0x0000000010000000-0x0000000010047000-memory.dmp

        Filesize

        284KB

      • memory/1676-60-0x0000000010000000-0x0000000010047000-memory.dmp

        Filesize

        284KB

      • memory/1676-66-0x0000000010000000-0x0000000010047000-memory.dmp

        Filesize

        284KB

      • memory/1756-61-0x0000000010000000-0x0000000010047000-memory.dmp

        Filesize

        284KB

      • memory/1756-65-0x0000000010000000-0x0000000010047000-memory.dmp

        Filesize

        284KB

      • memory/1756-67-0x0000000010000000-0x0000000010047000-memory.dmp

        Filesize

        284KB