Windows 7 deprecation

Windows 7 will be removed from tria.ge on 2025-03-31

Analysis

  • max time kernel
    114s
  • max time network
    114s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/11/2024, 17:10

General

  • Target

    7212825fd674cedb58ad3e6f72b312158c491386cc36b745cc04ad2617427e12N.exe

  • Size

    66KB

  • MD5

    2b494d570e8555cd6dbca8dadae59840

  • SHA1

    c59544f6f3a027887f0e4b0cccce87515ba3950f

  • SHA256

    7212825fd674cedb58ad3e6f72b312158c491386cc36b745cc04ad2617427e12

  • SHA512

    fe8ca241a512b55758e47e8962bfa1d3d1017559e199d21cbf07afc830d3460a9b6d0f868bfa7ea59979d254c6a29e4d18cf9ae25a6e5b7726a7eb514eb6ea5a

  • SSDEEP

    1536:iKQYa5VddJ8rYtvAq9dAfkb15LU3v2D4oD0l8laOEeVHN:iKQYa5DdyEAq9d6kb15LU3A4ovaOEe5N

Malware Config

Extracted

Family

xworm

Attributes
  • Install_directory

    %AppData%

  • install_file

    XClient.exe

  • pastebin_url

    https://pastebin.com/raw/H3wFXmEi

Signatures

  • Detect Xworm Payload 2 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Xworm family
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 2 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\7212825fd674cedb58ad3e6f72b312158c491386cc36b745cc04ad2617427e12N.exe
    "C:\Users\Admin\AppData\Local\Temp\7212825fd674cedb58ad3e6f72b312158c491386cc36b745cc04ad2617427e12N.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2740
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "XClient" /tr "C:\Users\Admin\AppData\Roaming\XClient.exe"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:1176
  • C:\Users\Admin\AppData\Roaming\XClient.exe
    C:\Users\Admin\AppData\Roaming\XClient.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:4252
  • C:\Users\Admin\AppData\Roaming\XClient.exe
    C:\Users\Admin\AppData\Roaming\XClient.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:4020

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\XClient.exe.log

    Filesize

    654B

    MD5

    2ff39f6c7249774be85fd60a8f9a245e

    SHA1

    684ff36b31aedc1e587c8496c02722c6698c1c4e

    SHA256

    e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced

    SHA512

    1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1

  • C:\Users\Admin\AppData\Roaming\XClient.exe

    Filesize

    66KB

    MD5

    2b494d570e8555cd6dbca8dadae59840

    SHA1

    c59544f6f3a027887f0e4b0cccce87515ba3950f

    SHA256

    7212825fd674cedb58ad3e6f72b312158c491386cc36b745cc04ad2617427e12

    SHA512

    fe8ca241a512b55758e47e8962bfa1d3d1017559e199d21cbf07afc830d3460a9b6d0f868bfa7ea59979d254c6a29e4d18cf9ae25a6e5b7726a7eb514eb6ea5a

  • memory/2740-0-0x00007FFEBA843000-0x00007FFEBA845000-memory.dmp

    Filesize

    8KB

  • memory/2740-1-0x0000000000020000-0x0000000000036000-memory.dmp

    Filesize

    88KB

  • memory/2740-6-0x00007FFEBA840000-0x00007FFEBB301000-memory.dmp

    Filesize

    10.8MB

  • memory/2740-7-0x00007FFEBA840000-0x00007FFEBB301000-memory.dmp

    Filesize

    10.8MB

  • memory/4252-10-0x00007FFEBA840000-0x00007FFEBB301000-memory.dmp

    Filesize

    10.8MB

  • memory/4252-12-0x00007FFEBA840000-0x00007FFEBB301000-memory.dmp

    Filesize

    10.8MB