Analysis

  • max time kernel
    149s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    15/02/2024, 04:41

General

  • Target
    9cfcaa8bcef1bfdb9462f6c132b55878.exe
  • Size 121KB
  • Sample240215-fa5dbagg4v
  • SHA256 4c0b4df17682e33ff6a2b56b595ebd4cc376ab381aa48d4f21a537b8e97f1f06
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • xtremerat

C2
  • bl00dmaster.no-ip.org

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 9 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).

  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9cfcaa8bcef1bfdb9462f6c132b55878.exe
    "C:\Users\Admin\AppData\Local\Temp\9cfcaa8bcef1bfdb9462f6c132b55878.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2112
    • C:\Users\Admin\AppData\Local\Temp\9cfcaa8bcef1bfdb9462f6c132b55878.exe
      "C:\Users\Admin\AppData\Local\Temp\9cfcaa8bcef1bfdb9462f6c132b55878.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2372
      • C:\Windows\SysWOW64\svchost.exe
        svchost.exe
        3⤵
          PID:2780
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe"
          3⤵
            PID:2900

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            memory/2112-0-0x0000000000400000-0x0000000000452000-memory.dmp

            memory/2112-11-0x0000000000400000-0x0000000000452000-memory.dmp

            memory/2372-6-0x0000000010000000-0x000000001004D000-memory.dmp

            memory/2372-5-0x0000000010000000-0x000000001004D000-memory.dmp

            memory/2372-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

            memory/2372-9-0x0000000010000000-0x000000001004D000-memory.dmp

            memory/2372-4-0x0000000010000000-0x000000001004D000-memory.dmp

            memory/2372-12-0x0000000010000000-0x000000001004D000-memory.dmp

            memory/2372-13-0x0000000010000000-0x000000001004D000-memory.dmp

            memory/2372-14-0x0000000010000000-0x000000001004D000-memory.dmp

            memory/2372-18-0x0000000010000000-0x000000001004D000-memory.dmp

            memory/2780-17-0x0000000010000000-0x000000001004D000-memory.dmp

            memory/2780-19-0x0000000010000000-0x000000001004D000-memory.dmp