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Analysis

  • max time kernel
    180s
  • max time network
    32s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    25/11/2022, 19:53

General

  • Target

    a259696d00cced401546ad7a5853888225b5eb39697984241b5a9f9c52367cd5.exe

  • Size

    898KB

  • MD5

    c6063f1ebf76cb261d34cc179842a3d1

  • SHA1

    0cd817f26d148deb12148254b7814e83ba90cd56

  • SHA256

    a259696d00cced401546ad7a5853888225b5eb39697984241b5a9f9c52367cd5

  • SHA512

    ca13fb6dc08d94cc8a7be2a0b88a449495447eb3fdf2efd0b26811304effeae876df8481aa653e4f8a9addf8afc6748ead50d596d23d6bfebfb10957624175e3

  • SSDEEP

    12288:Itb20Qc3lT7af41ePBRYuQLKpqeUhbTv5OFgNuPPpHSgaBTYWex6A:Itb20pkaCqT5TBWgNQ7aVSx6A

Malware Config

Extracted

Family

xtremerat

C2

ellol.publicvm.com

Signatures

  • Detect XtremeRAT payload 5 IoCs
  • XtremeRAT

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

  • UPX packed file 6 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.

  • Suspicious use of FindShellTrayWindow 8 IoCs
  • Suspicious use of SendNotifyMessage 8 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a259696d00cced401546ad7a5853888225b5eb39697984241b5a9f9c52367cd5.exe
    "C:\Users\Admin\AppData\Local\Temp\a259696d00cced401546ad7a5853888225b5eb39697984241b5a9f9c52367cd5.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1776
    • C:\Users\Admin\AppData\Local\Temp\a259696d00cced401546ad7a5853888225b5eb39697984241b5a9f9c52367cd5.exe
      "C:\Users\Admin\AppData\Local\Temp\a259696d00cced401546ad7a5853888225b5eb39697984241b5a9f9c52367cd5.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1248
      • C:\Windows\SysWOW64\svchost.exe
        svchost.exe
        3⤵
          PID:1492
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe"
          3⤵
            PID:580

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1248-55-0x0000000010000000-0x000000001004D000-memory.dmp

        Filesize

        308KB

      • memory/1248-57-0x0000000010000000-0x000000001004D000-memory.dmp

        Filesize

        308KB

      • memory/1248-61-0x0000000010000000-0x000000001004D000-memory.dmp

        Filesize

        308KB

      • memory/1248-62-0x0000000010000000-0x000000001004D000-memory.dmp

        Filesize

        308KB

      • memory/1248-63-0x0000000010000000-0x000000001004D000-memory.dmp

        Filesize

        308KB

      • memory/1248-68-0x0000000010000000-0x000000001004D000-memory.dmp

        Filesize

        308KB

      • memory/1492-69-0x0000000010000000-0x000000001004D000-memory.dmp

        Filesize

        308KB

      • memory/1776-54-0x0000000075C31000-0x0000000075C33000-memory.dmp

        Filesize

        8KB