Overview

overview

10

Static

static

10

XClivcbcbv...nt.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows11-21h2_x64
  • resource
    win11-20241007-en
  • resource tags

    arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    23-01-2025 20:07

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General

  • Target

    XClivcbcbvcbcvbent.exe

  • Size

    39KB

  • MD5

    a40bbe0710c302b751bac0ef05715269

  • SHA1

    03819c237e82daaaa0171f5e482bf66a4ce3a94b

  • SHA256

    f7b6bae6e4ddaf78db5f4908358030a58ecd2bb24687fe6d1332c6f491eb5600

  • SHA512

    b6e7dec8b7dac422c9b8ec1af50d9b38336c1e55ba156bfe171ec7db2c313c5aad54ee772611bf830580285ab87fa80622814e1f030ad0afd85b7bc1507c917f

  • SSDEEP

    768:5np2iB3sNvzK2AwjzeJYEW7KbiCqEoFN9Uv0OphcjtYGkn:eiB8V6tWlCq9FN9UsOpwBkn

Score
10/10
xwormpersistencerattrojan

Malware Config

Extracted

Family

xworm

Version

5.0

C2

https://pastebin.com/raw/p7p5uPXQ:1

Mutex

7CU7hxGor5QneXs0

Attributes
  • Install_directory

    %Userprofile%

  • install_file

    msconfig.exe

  • pastebin_url

    https://pastebin.com/raw/p7p5uPXQ

aes.plain

Signatures

  • Detect Xworm Payload 2 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

    trojanratxworm
  • Xworm family
    xworm
  • Drops startup file 2 IoCs
  • Executes dropped EXE 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 47 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 4 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\XClivcbcbvcbcvbent.exe
    "C:\Users\Admin\AppData\Local\Temp\XClivcbcbvcbcvbent.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3244
    • 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:3780
  • C:\Users\Admin\msconfig.exe
    C:\Users\Admin\msconfig.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3140
  • C:\Users\Admin\msconfig.exe
    C:\Users\Admin\msconfig.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:648
  • C:\Users\Admin\msconfig.exe
    C:\Users\Admin\msconfig.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2868

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    654B

    MD5

    2cbbb74b7da1f720b48ed31085cbd5b8

    SHA1

    79caa9a3ea8abe1b9c4326c3633da64a5f724964

    SHA256

    e31b18f21621d9983bfdf1ea3e53884a9d58b8ffd79e0e5790da6f3a81a8b9d3

    SHA512

    ecf02d5240e0c1c005d3ab393aa7eff62bd498c2db5905157e2bf6d29e1b663228a9583950842629d1a4caef404c8941a0c7799b1a3bd1eb890a09fdb7efcff9

    Download Submit

  • C:\Users\Admin\msconfig.exe
    Filesize

    39KB

    MD5

    a40bbe0710c302b751bac0ef05715269

    SHA1

    03819c237e82daaaa0171f5e482bf66a4ce3a94b

    SHA256

    f7b6bae6e4ddaf78db5f4908358030a58ecd2bb24687fe6d1332c6f491eb5600

    SHA512

    b6e7dec8b7dac422c9b8ec1af50d9b38336c1e55ba156bfe171ec7db2c313c5aad54ee772611bf830580285ab87fa80622814e1f030ad0afd85b7bc1507c917f

    Download Submit

  • memory/3140-10-0x00007FFE937C0000-0x00007FFE94282000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/3140-12-0x00007FFE937C0000-0x00007FFE94282000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/3244-0-0x00007FFE937C3000-0x00007FFE937C5000-memory.dmp

    Filesize

    8KB

    Download

  • memory/3244-1-0x0000000000CD0000-0x0000000000CE0000-memory.dmp

    Filesize

    64KB

    Download

  • memory/3244-6-0x00007FFE937C0000-0x00007FFE94282000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/3244-7-0x00007FFE937C3000-0x00007FFE937C5000-memory.dmp

    Filesize

    8KB

    Download

  • memory/3244-13-0x00007FFE937C0000-0x00007FFE94282000-memory.dmp

    Filesize

    10.8MB

    Download