Analysis

  • max time kernel
    144s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-02-2024 16:06

General

  • Target

    89f2e626923b9fca12e544d8d955b617.exe

  • Size

    69KB

  • MD5

    89f2e626923b9fca12e544d8d955b617

  • SHA1

    ef1dc352ba18d0e428c0aca96cd10ef0f1767a55

  • SHA256

    5cb0ceae6defeec61d21753f19b534173952b0e2fd39c28f4fda86d5a782a71b

  • SHA512

    4ff271b82774cd602f3cd0957c0aa345cc2a36cf66acd2427dda90d2b6841064ee48bb3d7538f4ac02472d6690017bab1bf34b4d867bd2e451dd8160e38df219

  • SSDEEP

    1536:tGwVFdsU2yUwVXx/z3fK/Lt4lyVnegqJ0ZjmGhFueN3J3z:Uwt2sV3fKTtE3sjukJj

Malware Config

Extracted

Family

xtremerat

C2

hck-hck.no-ip.org

Signatures

  • Detect XtremeRAT payload 7 IoCs
  • XtremeRAT

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

  • UPX packed file 2 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 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe
    "C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1096
    • C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1160
      • C:\Windows\SysWOW64\svchost.exe
        svchost.exe
        3⤵
          PID:1636
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 1636 -s 480
            4⤵
            • Program crash
            PID:3860
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 1636 -s 504
            4⤵
            • Program crash
            PID:3380
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
          3⤵
            PID:2716
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 1636 -ip 1636
        1⤵
          PID:1980
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 1636 -ip 1636
          1⤵
            PID:632

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/1096-0-0x0000000000400000-0x000000000044F000-memory.dmp

            Filesize

            316KB

          • memory/1096-5-0x0000000000400000-0x000000000044F000-memory.dmp

            Filesize

            316KB

          • memory/1160-3-0x0000000010000000-0x000000001004A000-memory.dmp

            Filesize

            296KB

          • memory/1160-4-0x0000000010000000-0x000000001004A000-memory.dmp

            Filesize

            296KB

          • memory/1160-6-0x0000000010000000-0x000000001004A000-memory.dmp

            Filesize

            296KB

          • memory/1160-7-0x0000000010000000-0x000000001004A000-memory.dmp

            Filesize

            296KB

          • memory/1160-9-0x0000000010000000-0x000000001004A000-memory.dmp

            Filesize

            296KB

          • memory/1636-8-0x0000000010000000-0x000000001004A000-memory.dmp

            Filesize

            296KB

          • memory/1636-10-0x0000000010000000-0x000000001004A000-memory.dmp

            Filesize

            296KB