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Analysis

  • max time kernel
    137s
  • max time network
    161s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/10/2023, 16:51

General

  • Target

    XClient.exe

  • Size

    31KB

  • MD5

    84afc004f218a31313fd717d06a75bb8

  • SHA1

    7a248fed7fcbf4bf750bb705ba33c70d152a67f4

  • SHA256

    02ab2ec0690885256c90e55f8ed3cce050cdb0bf0ad86859a9d75520130e226e

  • SHA512

    dfab537903db2352e0a3d0294e2ac0d0f64bce2b026e04c590dae4d2666037582a10ba61bf17401ea21a81e47e4e476de7b1e69bd05991fdec40329519e1b584

  • SSDEEP

    384:TWrVqCDweO/ace/VgFpLJPXwDs2ETIiqqR+gtFqBLTiZw/WNCvK9IkVuE0xOjhQi:bzT5gePqqZFr9RL2OjhQ/7vW

Score
10/10

Malware Config

Extracted

Family

xworm

Version

3.1

C2

6.tcp.eu.ngrok.io:4545

Mutex

zgJ5izy4K73qDOdL

Attributes
  • Install_directory

    %AppData%

  • install_file

    USB.exe

aes.plain

Signatures

  • Detect Xworm Payload 1 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Drops startup file 2 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\XClient.exe
    "C:\Users\Admin\AppData\Local\Temp\XClient.exe"
    1⤵
    • Drops startup file
    • Suspicious use of AdjustPrivilegeToken
    PID:1980

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1980-0-0x0000000000950000-0x000000000095E000-memory.dmp

    Filesize

    56KB

  • memory/1980-1-0x00007FFD22F30000-0x00007FFD239F1000-memory.dmp

    Filesize

    10.8MB

  • memory/1980-3-0x00007FFD22F30000-0x00007FFD239F1000-memory.dmp

    Filesize

    10.8MB

  • memory/1980-7-0x000000001B710000-0x000000001B720000-memory.dmp

    Filesize

    64KB

  • memory/1980-8-0x000000001B710000-0x000000001B720000-memory.dmp

    Filesize

    64KB