Overview

overview

10

Static

static

10

XClient.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    52s
  • max time network
    54s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-01-2025 14:34

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General

  • Target

    XClient.exe

  • Size

    39KB

  • MD5

    37708340719cd692b521653ed51a8998

  • SHA1

    f896256d8c8d91e9ac690b8eee55b405433497f5

  • SHA256

    beeb4bc88b6912289e6be134662c6794f21416e3a70d61ee18c0c4e1d84809ce

  • SHA512

    b28acc5f1e39b7a9eb8e1d41adb3c454e5d76587988e845aa913258efadd9158795a1761e33152d513cf8167b0d615e074ec9fe48db801c35350a5fa0ad08e67

  • SSDEEP

    768:Znp2iB3sNvzK2AwjzeN2YEW7KbiCqEoFN9UrcMUcOphmjtYGj:+iB8V6NiWlCq9FN9UrDROp+Bj

Score
10/10
xwormpersistencerattrojan

Malware Config

Extracted

Family

xworm

Version

5.0

C2

https://pastebin.com/raw/wtvveYnA:1

Mutex

cRWkyXhFU3sXnrK4

Attributes
  • Install_directory

    %Userprofile%

  • install_file

    msconfig.exe

  • pastebin_url

    https://pastebin.com/raw/wtvveYnA

aes.plain

Signatures

  • Detect Xworm Payload 1 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

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

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

  • Drops startup file 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 17 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.

    persistenceexecution
  • Suspicious use of AdjustPrivilegeToken 1 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.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\XClient.exe
    "C:\Users\Admin\AppData\Local\Temp\XClient.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:624
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "msconfig" /tr "C:\Users\Admin\msconfig.exe"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:2596

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/624-0-0x00007FFA48873000-0x00007FFA48875000-memory.dmp

    Filesize

    8KB

    Download

  • memory/624-1-0x0000000000560000-0x0000000000570000-memory.dmp

    Filesize

    64KB

    Download

  • memory/624-6-0x00007FFA48870000-0x00007FFA49331000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/624-7-0x00007FFA48873000-0x00007FFA48875000-memory.dmp

    Filesize

    8KB

    Download

  • memory/624-8-0x00007FFA48870000-0x00007FFA49331000-memory.dmp

    Filesize

    10.8MB

    Download