Analysis

  • max time kernel
    92s
  • max time network
    115s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/02/2024, 17:58

General

  • Target
    a264e27d62ebe7928bf39ce92d6a9293.exe
  • Size 93KB
  • Sample240224-wkcdaaah9w
  • SHA256 068f005d603e86227683dc2489c26aaa898232d6c76b75f221f3815fc7fa508d
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • xtremerat

C2
  • franco1.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 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).

  • Program crash 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a264e27d62ebe7928bf39ce92d6a9293.exe
    "C:\Users\Admin\AppData\Local\Temp\a264e27d62ebe7928bf39ce92d6a9293.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2912
    • C:\Users\Admin\AppData\Local\Temp\a264e27d62ebe7928bf39ce92d6a9293.exe
      C:\Users\Admin\AppData\Local\Temp\a264e27d62ebe7928bf39ce92d6a9293.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3472
      • C:\Windows\SysWOW64\svchost.exe
        svchost.exe
        3⤵
          PID:3916
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 3916 -s 480
            4⤵
            • Program crash
            PID:4532
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 3916 -s 488
            4⤵
            • Program crash
            PID:2896
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
          3⤵
            PID:2412
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 3916 -ip 3916
        1⤵
          PID:2660
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 3916 -ip 3916
          1⤵
            PID:3924

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                memory/3472-2-0x0000000010000000-0x000000001004D000-memory.dmp

                memory/3472-4-0x0000000010000000-0x000000001004D000-memory.dmp

                memory/3472-5-0x0000000010000000-0x000000001004D000-memory.dmp

                memory/3472-6-0x0000000010000000-0x000000001004D000-memory.dmp

                memory/3472-8-0x0000000010000000-0x000000001004D000-memory.dmp

                memory/3916-7-0x0000000010000000-0x000000001004D000-memory.dmp

                memory/3916-9-0x0000000010000000-0x000000001004D000-memory.dmp