Overview

overview

10

Static

static

10

XClien2t.exe

windows7-x64

10

XClien2t.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    150s
  • 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 14:43

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General

  • Target

    XClien2t.exe

  • Size

    39KB

  • MD5

    cb66c0aecefa400bd702fdfce6768867

  • SHA1

    86eff3a8079fac5ba6bee0c7305dcfb02bf11dff

  • SHA256

    e984d24a32bfbd3da67c941e130e6cc73efb0dbd343f549b49626fd059a84c7e

  • SHA512

    f9436c34ebfe6ea6db97eaef00d0e5c8b5196fe7e01f6c4cb3ea811c98a80b6e735de8e74bb5a2b0404f69001f1aeae160386a9bb402f4ba3da65bb7d5458831

  • SSDEEP

    768:Inp2iB3sNvzK2Awjzef/YEW7KbiCqEoFN9UeGOphFjtYGK:RiB8V6f/WlCq9FN9UvOplBK

Score
10/10
xwormpersistencerattrojan

Malware Config

Extracted

Family

xworm

Version

5.0

C2

https://pastebin.com/raw/s98jTNJs:1

Mutex

skS6kMhEKAoBazrr

Attributes
  • Install_directory

    %Userprofile%

  • install_file

    msconfig.exe

  • pastebin_url

    https://pastebin.com/raw/s98jTNJs

aes.plain

Signatures

  • Detect Xworm Payload 2 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
  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 46 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 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.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\XClien2t.exe
    "C:\Users\Admin\AppData\Local\Temp\XClien2t.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:736
    • 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:3668
  • C:\Users\Admin\msconfig.exe
    C:\Users\Admin\msconfig.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:4936
  • C:\Users\Admin\msconfig.exe
    C:\Users\Admin\msconfig.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:4468

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

    2ff39f6c7249774be85fd60a8f9a245e

    SHA1

    684ff36b31aedc1e587c8496c02722c6698c1c4e

    SHA256

    e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced

    SHA512

    1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1

    Download Submit

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

    39KB

    MD5

    cb66c0aecefa400bd702fdfce6768867

    SHA1

    86eff3a8079fac5ba6bee0c7305dcfb02bf11dff

    SHA256

    e984d24a32bfbd3da67c941e130e6cc73efb0dbd343f549b49626fd059a84c7e

    SHA512

    f9436c34ebfe6ea6db97eaef00d0e5c8b5196fe7e01f6c4cb3ea811c98a80b6e735de8e74bb5a2b0404f69001f1aeae160386a9bb402f4ba3da65bb7d5458831

    Download Submit

  • memory/736-0-0x00007FFB82543000-0x00007FFB82545000-memory.dmp

    Filesize

    8KB

    Download

  • memory/736-1-0x0000000000A70000-0x0000000000A80000-memory.dmp

    Filesize

    64KB

    Download

  • memory/736-6-0x00007FFB82540000-0x00007FFB83001000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/736-7-0x00007FFB82543000-0x00007FFB82545000-memory.dmp

    Filesize

    8KB

    Download

  • memory/736-8-0x00007FFB82540000-0x00007FFB83001000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/4936-11-0x00007FFB82540000-0x00007FFB83001000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/4936-13-0x00007FFB82540000-0x00007FFB83001000-memory.dmp

    Filesize

    10.8MB

    Download