Analysis

  • max time kernel
    139s
  • max time network
    179s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/12/2023, 19:30

General

  • Target

    889bf207239c7ca72cef49435416ced5.exe

  • Size

    104KB

  • MD5

    889bf207239c7ca72cef49435416ced5

  • SHA1

    3017013682e447fee4c943854b9eba530b2bfbbf

  • SHA256

    79b36c9c7b9b61d2b709e2b9ef765d191b54b97d9fe217208c6cceed6fa1d5f1

  • SHA512

    ec25f51b34a63f4107d20f278238bb1dc70d7726cffb650063b7c3e69dbfaf43fa66dcae0d9c4e77c2d25823b7900dce2bd718fbe7c4bb3c403456fc718d113b

  • SSDEEP

    1536:nJEDcQBnD2ha1ZlKUw99Wyiyfiemb9H/OVhiJ8c0BpB54v1RATcORS1ZW:+LBnD2ha1aUQibN23tzI1qNRS

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\889bf207239c7ca72cef49435416ced5.exe
    "C:\Users\Admin\AppData\Local\Temp\889bf207239c7ca72cef49435416ced5.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2652
    • C:\Users\Admin\AppData\Local\Temp\889bf207239c7ca72cef49435416ced5.EXE
      "C:\Users\Admin\AppData\Local\Temp\889bf207239c7ca72cef49435416ced5.EXE"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2916
      • C:\Windows\SysWOW64\svchost.exe
        svchost.exe
        3⤵
          PID:3692
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 3692 -s 488
            4⤵
            • Program crash
            PID:3480
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 3692 -s 496
            4⤵
            • Program crash
            PID:5040
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
          3⤵
            PID:3992
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 3692 -ip 3692
        1⤵
          PID:1420
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 3692 -ip 3692
          1⤵
            PID:3816

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                • memory/2916-2-0x0000000010000000-0x000000001004D000-memory.dmp

                  Filesize

                  308KB

                • memory/2916-4-0x0000000010000000-0x000000001004D000-memory.dmp

                  Filesize

                  308KB

                • memory/2916-5-0x0000000010000000-0x000000001004D000-memory.dmp

                  Filesize

                  308KB

                • memory/2916-6-0x0000000010000000-0x000000001004D000-memory.dmp

                  Filesize

                  308KB

                • memory/2916-8-0x0000000010000000-0x000000001004D000-memory.dmp

                  Filesize

                  308KB

                • memory/3692-7-0x0000000010000000-0x000000001004D000-memory.dmp

                  Filesize

                  308KB

                • memory/3692-9-0x0000000010000000-0x000000001004D000-memory.dmp

                  Filesize

                  308KB