Analysis

  • max time kernel
    146s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-02-2024 21:16

General

  • Target

    aa2cb15a973424af10b43d595fc3784a.exe

  • Size

    170KB

  • MD5

    aa2cb15a973424af10b43d595fc3784a

  • SHA1

    9ffc9fac0be1a0d4609de1a3c31f35e66fa849cc

  • SHA256

    fdab584b663b098e50b365092b53ad81d8503340c42346cdf2b5b35203001e48

  • SHA512

    381d899cfad764eb12a1edca2bfc89449e0434035904035cb4a0aae3b215868fdc9b0a49a7ccc78da6ccfe41cd772f4cfdc0631fc47492d78582e84c9c91979c

  • SSDEEP

    3072:vrDBQZKHe8fAIwgw4lAA1Bh9BhmhllVobtGiNlI/VJLEwmbqNn4diI82hJNILHEB:hQAHe8fAIwgw4lAAx9BhmroAiHI/VZE9

Malware Config

Extracted

Family

xtremerat

C2

tubass.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\aa2cb15a973424af10b43d595fc3784a.exe
    "C:\Users\Admin\AppData\Local\Temp\aa2cb15a973424af10b43d595fc3784a.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4540
    • C:\Users\Admin\AppData\Local\Temp\aa2cb15a973424af10b43d595fc3784a.exe
      C:\Users\Admin\AppData\Local\Temp\aa2cb15a973424af10b43d595fc3784a.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3476
      • C:\Windows\SysWOW64\svchost.exe
        svchost.exe
        3⤵
          PID:4460
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 4460 -s 484
            4⤵
            • Program crash
            PID:4136
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 4460 -s 492
            4⤵
            • Program crash
            PID:4936
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
          3⤵
            PID:3744
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4460 -ip 4460
        1⤵
          PID:5116
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 4460 -ip 4460
          1⤵
            PID:4356

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/3476-3-0x0000000010000000-0x000000001004B000-memory.dmp

            Filesize

            300KB

          • memory/3476-6-0x0000000010000000-0x000000001004B000-memory.dmp

            Filesize

            300KB

          • memory/3476-7-0x0000000010000000-0x000000001004B000-memory.dmp

            Filesize

            300KB

          • memory/3476-8-0x0000000010000000-0x000000001004B000-memory.dmp

            Filesize

            300KB

          • memory/3476-10-0x0000000010000000-0x000000001004B000-memory.dmp

            Filesize

            300KB

          • memory/4460-9-0x0000000010000000-0x000000001004B000-memory.dmp

            Filesize

            300KB

          • memory/4460-11-0x0000000010000000-0x000000001004B000-memory.dmp

            Filesize

            300KB

          • memory/4540-0-0x0000000000400000-0x0000000000425000-memory.dmp

            Filesize

            148KB

          • memory/4540-5-0x0000000000400000-0x0000000000425000-memory.dmp

            Filesize

            148KB