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Analysis

  • max time kernel
    169s
  • max time network
    34s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    05/12/2022, 12:28

General

  • Target

    919b080c6200fbf05a741ec572f077b116d87849fa595d90daa6537e3f9cbaf3.exe

  • Size

    537KB

  • MD5

    8c9baa45fb37a6c89cb9861dcc8d2f1f

  • SHA1

    65342cfdd656011df268269cfa07f93d351bca00

  • SHA256

    919b080c6200fbf05a741ec572f077b116d87849fa595d90daa6537e3f9cbaf3

  • SHA512

    f76cfa6dab53abc804285780d52c4608a11b90461930ea03d11e2b3a58c89d67254f2b1e4f25adabc38156dab9aaaecc8298f8b2f9b4dddfa15fb5d8a0039f0b

  • SSDEEP

    12288:UoS493ACIl7vI1kiqHNnyVek/a4QmHNX467p9KMSL8vbfcF3baixe/:UoIjIbgyLC495467zKMRzcVei4/

Malware Config

Extracted

Family

xtremerat

C2

maradona.no-ip.org

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.

  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\919b080c6200fbf05a741ec572f077b116d87849fa595d90daa6537e3f9cbaf3.exe
    "C:\Users\Admin\AppData\Local\Temp\919b080c6200fbf05a741ec572f077b116d87849fa595d90daa6537e3f9cbaf3.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1396
    • C:\Users\Admin\AppData\Local\Temp\919b080c6200fbf05a741ec572f077b116d87849fa595d90daa6537e3f9cbaf3.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:832
      • C:\Windows\SysWOW64\svchost.exe
        svchost.exe
        3⤵
          PID:468
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe"
          3⤵
            PID:1348

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/468-66-0x0000000010000000-0x000000001004E000-memory.dmp

        Filesize

        312KB

      • memory/468-72-0x0000000010000000-0x000000001004E000-memory.dmp

        Filesize

        312KB

      • memory/468-71-0x0000000010000000-0x000000001004E000-memory.dmp

        Filesize

        312KB

      • memory/832-61-0x0000000010000000-0x000000001004E000-memory.dmp

        Filesize

        312KB

      • memory/832-63-0x0000000010000000-0x000000001004E000-memory.dmp

        Filesize

        312KB

      • memory/832-64-0x0000000000400000-0x0000000000541000-memory.dmp

        Filesize

        1.3MB

      • memory/832-65-0x0000000010000000-0x000000001004E000-memory.dmp

        Filesize

        312KB

      • memory/832-70-0x0000000010000000-0x000000001004E000-memory.dmp

        Filesize

        312KB

      • memory/832-57-0x0000000010000000-0x000000001004E000-memory.dmp

        Filesize

        312KB

      • memory/1396-62-0x0000000000400000-0x0000000000541000-memory.dmp

        Filesize

        1.3MB

      • memory/1396-54-0x0000000075BE1000-0x0000000075BE3000-memory.dmp

        Filesize

        8KB