Analysis

  • max time kernel
    134s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-10-2024 07:32

General

  • Target

    309047c3b6edcf4488e17663e61f11c7a399dbd462e1315c0f1891ff80b2514dN.exe

  • Size

    376KB

  • MD5

    3d84e7f15f1562ecca7d53ad3434b7b0

  • SHA1

    4b80e73a0913dfb5834d0c8c5a3dec13c83402ea

  • SHA256

    309047c3b6edcf4488e17663e61f11c7a399dbd462e1315c0f1891ff80b2514d

  • SHA512

    45391d8fd3e1d4374118832371191928fd3d704512df7c0fb88fca5d471329f1f5b33c3205369c0c81f3f58ffbefffbb93d2b18aa6eb56f307973513b4ff5f24

  • SSDEEP

    768:NMuijtHfPN8m1Sq4NQErBsH1tzoisBKQI6dObAG/dq8uW29Ifnca/yyR+P2ujfGS:mNPpsq+QV4rObAdXWpf/y+4oJuMc

Malware Config

Extracted

Family

xtremerat

C2

ammaralsaeed.servepics.com

Signatures

  • Detect XtremeRAT payload 9 IoCs
  • XtremeRAT

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

  • Xtremerat family
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 2 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

  • Adds Run key to start application 2 TTPs 3 IoCs
  • UPX packed file 9 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\309047c3b6edcf4488e17663e61f11c7a399dbd462e1315c0f1891ff80b2514dN.exe
    "C:\Users\Admin\AppData\Local\Temp\309047c3b6edcf4488e17663e61f11c7a399dbd462e1315c0f1891ff80b2514dN.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4268
    • C:\Windows\SysWOW64\svchost.exe
      svchost.exe
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3648
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3648 -s 472
        3⤵
        • Program crash
        PID:4868
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3648 -s 488
        3⤵
        • Program crash
        PID:2444
    • C:\Windows\SysWOW64\notepad.exe
      notepad.exe
      2⤵
      • Boot or Logon Autostart Execution: Active Setup
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:3408
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3408 -s 996
        3⤵
        • Program crash
        PID:808
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3408 -s 992
        3⤵
        • Program crash
        PID:2044
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3648 -ip 3648
    1⤵
      PID:1876
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 3408 -ip 3408
      1⤵
        PID:3108
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 3648 -ip 3648
        1⤵
          PID:2152
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 3408 -ip 3408
          1⤵
            PID:2028

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/3408-2-0x0000000010000000-0x000000001005E000-memory.dmp

            Filesize

            376KB

          • memory/3408-5-0x0000000010000000-0x000000001005E000-memory.dmp

            Filesize

            376KB

          • memory/3408-6-0x0000000010000000-0x000000001005E000-memory.dmp

            Filesize

            376KB

          • memory/3408-4-0x0000000010000000-0x000000001005E000-memory.dmp

            Filesize

            376KB

          • memory/3408-8-0x0000000010000000-0x000000001005E000-memory.dmp

            Filesize

            376KB

          • memory/3648-1-0x0000000010000000-0x000000001005E000-memory.dmp

            Filesize

            376KB

          • memory/3648-7-0x0000000010000000-0x000000001005E000-memory.dmp

            Filesize

            376KB

          • memory/4268-0-0x0000000010000000-0x000000001005E000-memory.dmp

            Filesize

            376KB

          • memory/4268-3-0x0000000010000000-0x000000001005E000-memory.dmp

            Filesize

            376KB