Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    31-05-2024 13:09

General

  • Target

    Injector2.exe

  • Size

    327KB

  • MD5

    3e1b6c00c152ecd0945df66e71caa4c1

  • SHA1

    6b4e5c1646cac905034b740205f6003a73e872dc

  • SHA256

    1bee8362e0fffaa161de96775b92a2b6be47e65798251d0bfd4b82d134cfbd89

  • SHA512

    82a8682d63cb88e74667b9a4824e8d832aa9116fd8854e9debc0912ce1a5437544db213e363a6cfbf42bd5a1b0ed6ba4f622803759ca66e6ab50c4ad34b4627b

  • SSDEEP

    1536:MDW2YGf/GEjNLTkAD5eZZerr+bhsFz08ISAkTO/2jxSZEsFGfFuAYCRAutPsAzAz:MDrYW/rka5Rr+bhsjItGOOj0j

Malware Config

Extracted

Family

xworm

C2

rat234678235481254.ddns.net:4782

<Xwormmm>:3412

Attributes
  • Install_directory

    %AppData%

  • install_file

    Runtime Broker.exe

Signatures

  • Detect Xworm Payload 1 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Drops startup file 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\Injector2.exe
    "C:\Users\Admin\AppData\Local\Temp\Injector2.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2824
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "Runtime Broker" /tr "C:\Users\Admin\AppData\Roaming\Runtime Broker.exe"
      2⤵
      • Creates scheduled task(s)
      PID:2216
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {A02FF248-53E1-4E8A-8356-C10C735F3CE8} S-1-5-21-2248906074-2862704502-246302768-1000:GHPZRGFC\Admin:Interactive:[1]
    1⤵
      PID:2980

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2824-0-0x000007FEF55E3000-0x000007FEF55E4000-memory.dmp

      Filesize

      4KB

    • memory/2824-1-0x00000000012C0000-0x0000000001316000-memory.dmp

      Filesize

      344KB

    • memory/2824-6-0x000007FEF55E0000-0x000007FEF5FCC000-memory.dmp

      Filesize

      9.9MB

    • memory/2824-7-0x000007FEF55E3000-0x000007FEF55E4000-memory.dmp

      Filesize

      4KB

    • memory/2824-8-0x000007FEF55E0000-0x000007FEF5FCC000-memory.dmp

      Filesize

      9.9MB