Analysis

  • max time kernel
    151s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    02-10-2022 11:55

General

  • Target

    e9348cb01ad037af1b8043989cd525e47e5c271ff49aece168432eadfb69beda.exe

  • Size

    316KB

  • MD5

    6388b0c729f20b3dbd680945479d2f80

  • SHA1

    7b3d01217936f8028c7ba917cb73e15b6c51a823

  • SHA256

    e9348cb01ad037af1b8043989cd525e47e5c271ff49aece168432eadfb69beda

  • SHA512

    1c8389364c37535521700fc45d61025a4578d295b39ab5028690a2807fb22072c03ad3ac4bfb58646290a71156e71f4457a197d52d7404e6131aa81c4e9134c0

  • SSDEEP

    1536:2ntvJyGe1KmWCra7PRfV2GeJJL0Mk0PCZSAEDzzKb+4:skGe1jGPRyJ4saWD3c

Malware Config

Extracted

Family

xtremerat

C2

msg290yaho.myvnc.com

Signatures

  • Detect XtremeRAT payload 9 IoCs
  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 1 IoCs
  • XtremeRAT

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

  • Windows security modification 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • 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 AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e9348cb01ad037af1b8043989cd525e47e5c271ff49aece168432eadfb69beda.exe
    "C:\Users\Admin\AppData\Local\Temp\e9348cb01ad037af1b8043989cd525e47e5c271ff49aece168432eadfb69beda.exe"
    1⤵
    • UAC bypass
    • Windows security bypass
    • Windows security modification
    • Checks whether UAC is enabled
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:1836
    • C:\Users\Admin\AppData\Local\Temp\e9348cb01ad037af1b8043989cd525e47e5c271ff49aece168432eadfb69beda.exe
      "C:\Users\Admin\AppData\Local\Temp\e9348cb01ad037af1b8043989cd525e47e5c271ff49aece168432eadfb69beda.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1596
      • C:\Windows\SysWOW64\svchost.exe
        svchost.exe
        3⤵
          PID:1032
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe"
          3⤵
            PID:1468

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1032-62-0x0000000010000000-0x000000001004A000-memory.dmp

        Filesize

        296KB

      • memory/1032-64-0x0000000000000000-mapping.dmp

      • memory/1032-66-0x0000000010000000-0x000000001004A000-memory.dmp

        Filesize

        296KB

      • memory/1032-68-0x0000000010000000-0x000000001004A000-memory.dmp

        Filesize

        296KB

      • memory/1596-57-0x000000001000D0F4-mapping.dmp

      • memory/1596-58-0x0000000010000000-0x000000001004A000-memory.dmp

        Filesize

        296KB

      • memory/1596-56-0x0000000010000000-0x000000001004A000-memory.dmp

        Filesize

        296KB

      • memory/1596-59-0x0000000075C51000-0x0000000075C53000-memory.dmp

        Filesize

        8KB

      • memory/1596-60-0x0000000010000000-0x000000001004A000-memory.dmp

        Filesize

        296KB

      • memory/1596-61-0x0000000010000000-0x000000001004A000-memory.dmp

        Filesize

        296KB

      • memory/1596-67-0x0000000010000000-0x000000001004A000-memory.dmp

        Filesize

        296KB