Analysis

  • max time kernel
    147s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-02-2024 13:22

General

  • Target

    abfaec448463602043f960db23960e56.exe

  • Size

    67KB

  • MD5

    abfaec448463602043f960db23960e56

  • SHA1

    213d64f9600838ec8f24d0f5a59ccc0c4dd836f3

  • SHA256

    b7da54fc653b6a932e7dcd386b553d2014c56be60f8e367b34afc750c1c68af9

  • SHA512

    bd8de3f2b968891f20c53287a75e6d0cf798300834bf2666252aa272c7c2dec8ca54c2fd93baea29648f32338792b64750d289a8850b23aedfa899ff820ffe0b

  • SSDEEP

    1536:Kthmxm0wZy9s0BdutSHj5afwIYa/n5FRubqTQ9TvT:KuxxLBgtKNk4O5Fv8T7

Malware Config

Extracted

Family

xtremerat

C2

conhecidos.dyndns.org

Signatures

  • Detect XtremeRAT payload 4 IoCs
  • XtremeRAT

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

  • UPX packed file 8 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 WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\abfaec448463602043f960db23960e56.exe
    "C:\Users\Admin\AppData\Local\Temp\abfaec448463602043f960db23960e56.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4800
    • C:\Users\Admin\AppData\Local\Temp\abfaec448463602043f960db23960e56.exe
      C:\Users\Admin\AppData\Local\Temp\abfaec448463602043f960db23960e56.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3956
      • C:\Windows\SysWOW64\svchost.exe
        svchost.exe
        3⤵
          PID:1680
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 1680 -s 480
            4⤵
            • Program crash
            PID:2592
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 1680 -s 488
            4⤵
            • Program crash
            PID:1516
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
          3⤵
            PID:4868
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1680 -ip 1680
        1⤵
          PID:1920
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 1680 -ip 1680
          1⤵
            PID:2020

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/1680-8-0x0000000010000000-0x000000001004D000-memory.dmp

            Filesize

            308KB

          • memory/1680-9-0x0000000010000000-0x000000001004D000-memory.dmp

            Filesize

            308KB

          • memory/3956-0-0x0000000010000000-0x000000001004D000-memory.dmp

            Filesize

            308KB

          • memory/3956-1-0x0000000010000000-0x000000001004D000-memory.dmp

            Filesize

            308KB

          • memory/3956-2-0x0000000010000000-0x000000001004D000-memory.dmp

            Filesize

            308KB

          • memory/3956-4-0x0000000010000000-0x000000001004D000-memory.dmp

            Filesize

            308KB

          • memory/3956-7-0x0000000010000000-0x000000001004D000-memory.dmp

            Filesize

            308KB

          • memory/3956-6-0x0000000010000000-0x000000001004D000-memory.dmp

            Filesize

            308KB

          • memory/4800-5-0x0000000000010000-0x000000000001D000-memory.dmp

            Filesize

            52KB