Overview

overview

10

Static

static

10

XWorm_v5.2.exe

windows7-x64

10

XWorm_v5.2.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    50s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    24/02/2024, 19:09

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General

  • Target

    XWorm_v5.2.exe

  • Size

    62KB

  • MD5

    3a5d9295a7d1dad3418d52899f4c90ea

  • SHA1

    6448c5f880e2fac4a115324b9d8908f9adeaa22b

  • SHA256

    cd7b2b4e605b3d56f3c5a09df11430caf2d659d7dbe14001fd6023fd223e3414

  • SHA512

    125b06b3aca1a7f670338e18893fcb6cd97669c1dda2479111f6072fcc9ba80df03b4857fc7d30f23893383e2dbfd22b1ef28a86e5286da230286bb9aea73f59

  • SSDEEP

    1536:ot5kWNzCRWhSv0RLd1eH86rerkb1WJX4/Ox+0lXSu:g5LzCRWbhocNrkb1T/Ox+0lXSu

Score
10/10
xwormpersistencerattrojan

Malware Config

Extracted

Family

xworm

C2

127.0.0.1:7000

Attributes
  • Install_directory

    %Temp%

  • install_file

    XWorm_v5.2.exe

Signatures

  • Detect Xworm Payload 1 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

    trojanratxworm
  • Drops startup file 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • 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.

    persistence
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 6 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.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\XWorm_v5.2.exe
    "C:\Users\Admin\AppData\Local\Temp\XWorm_v5.2.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1540
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "XWorm_v5.2" /tr "C:\Users\Admin\AppData\Local\Temp\XWorm_v5.2.exe"
      2⤵
      • Creates scheduled task(s)
      PID:1840
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {BD68411E-39B1-4459-A33B-201E696F77E1} S-1-5-21-2248906074-2862704502-246302768-1000:GHPZRGFC\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2540
    • C:\Users\Admin\AppData\Local\Temp\XWorm_v5.2.exe
      C:\Users\Admin\AppData\Local\Temp\XWorm_v5.2.exe
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2388

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/1540-0-0x0000000001270000-0x0000000001286000-memory.dmp

    Filesize

    88KB

    Download

  • memory/1540-1-0x000007FEF5B10000-0x000007FEF64FC000-memory.dmp

    Filesize

    9.9MB

    Download

  • memory/1540-3-0x000000001AEA0000-0x000000001AF20000-memory.dmp

    Filesize

    512KB

    Download

  • memory/1540-4-0x000007FEF5B10000-0x000007FEF64FC000-memory.dmp

    Filesize

    9.9MB

    Download

  • memory/1540-5-0x000000001AEA0000-0x000000001AF20000-memory.dmp

    Filesize

    512KB

    Download

  • memory/2388-6-0x000007FEF5B10000-0x000007FEF64FC000-memory.dmp

    Filesize

    9.9MB

    Download