Analysis

  • max time kernel
    1794s
  • max time network
    1799s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240508-en
  • resource tags

    arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    30-05-2024 20:08

General

  • Target

    XClient.exe

  • Size

    59KB

  • MD5

    d172c0a4ae3e8cef6a0a910bde62e195

  • SHA1

    51139fc633fe81a66c8ed55081f92ec5256bd0bd

  • SHA256

    94b65da2b5cc3728547f892a46e9c48c5d54477d10ea8e210304593acd3568e7

  • SHA512

    d82c930a42fd623aeee51007453d201e96110b546f1fb34080fc6d4c1488d71b3828f5f1833d347993444e4d332aa00fbb7b8922fce676d220375470ad0fa467

  • SSDEEP

    1536:9vv68xQQodoW8YTK6uDkbrfSVxwXSOqQ+k:1vjWQoGJYTK6CkbrfHSOqQ+k

Malware Config

Extracted

Family

xworm

C2

length-desert.gl.at.ply.gg:58023

%AppData%:9

Attributes
  • Install_directory

    %AppData%

  • install_file

    USB.exe

Signatures

  • Detect Xworm Payload 2 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Drops startup file 2 IoCs
  • Executes dropped EXE 30 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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.

  • Suspicious use of AdjustPrivilegeToken 32 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.

Processes

  • C:\Users\Admin\AppData\Local\Temp\XClient.exe
    "C:\Users\Admin\AppData\Local\Temp\XClient.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3256
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "9" /tr "C:\Users\Admin\AppData\Roaming\9"
      2⤵
      • Creates scheduled task(s)
      PID:788
  • C:\Users\Admin\AppData\Roaming\9
    C:\Users\Admin\AppData\Roaming\9
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:4372
  • C:\Users\Admin\AppData\Roaming\9
    C:\Users\Admin\AppData\Roaming\9
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3476
  • C:\Users\Admin\AppData\Roaming\9
    C:\Users\Admin\AppData\Roaming\9
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:4688
  • C:\Users\Admin\AppData\Roaming\9
    C:\Users\Admin\AppData\Roaming\9
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3936
  • C:\Users\Admin\AppData\Roaming\9
    C:\Users\Admin\AppData\Roaming\9
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2472
  • C:\Users\Admin\AppData\Roaming\9
    C:\Users\Admin\AppData\Roaming\9
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1584
  • C:\Users\Admin\AppData\Roaming\9
    C:\Users\Admin\AppData\Roaming\9
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:4160
  • C:\Users\Admin\AppData\Roaming\9
    C:\Users\Admin\AppData\Roaming\9
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2860
  • C:\Users\Admin\AppData\Roaming\9
    C:\Users\Admin\AppData\Roaming\9
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:948
  • C:\Users\Admin\AppData\Roaming\9
    C:\Users\Admin\AppData\Roaming\9
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1456
  • C:\Users\Admin\AppData\Roaming\9
    C:\Users\Admin\AppData\Roaming\9
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:5036
  • C:\Users\Admin\AppData\Roaming\9
    C:\Users\Admin\AppData\Roaming\9
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1744
  • C:\Users\Admin\AppData\Roaming\9
    C:\Users\Admin\AppData\Roaming\9
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1680
  • C:\Users\Admin\AppData\Roaming\9
    C:\Users\Admin\AppData\Roaming\9
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3508
  • C:\Users\Admin\AppData\Roaming\9
    C:\Users\Admin\AppData\Roaming\9
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3864
  • C:\Users\Admin\AppData\Roaming\9
    C:\Users\Admin\AppData\Roaming\9
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:712
  • C:\Users\Admin\AppData\Roaming\9
    C:\Users\Admin\AppData\Roaming\9
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1340
  • C:\Users\Admin\AppData\Roaming\9
    C:\Users\Admin\AppData\Roaming\9
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1872
  • C:\Users\Admin\AppData\Roaming\9
    C:\Users\Admin\AppData\Roaming\9
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3204
  • C:\Users\Admin\AppData\Roaming\9
    C:\Users\Admin\AppData\Roaming\9
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2140
  • C:\Users\Admin\AppData\Roaming\9
    C:\Users\Admin\AppData\Roaming\9
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3796
  • C:\Users\Admin\AppData\Roaming\9
    C:\Users\Admin\AppData\Roaming\9
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1580
  • C:\Users\Admin\AppData\Roaming\9
    C:\Users\Admin\AppData\Roaming\9
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:5020
  • C:\Users\Admin\AppData\Roaming\9
    C:\Users\Admin\AppData\Roaming\9
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:632
  • C:\Users\Admin\AppData\Roaming\9
    C:\Users\Admin\AppData\Roaming\9
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2224
  • C:\Users\Admin\AppData\Roaming\9
    C:\Users\Admin\AppData\Roaming\9
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2864
  • C:\Users\Admin\AppData\Roaming\9
    C:\Users\Admin\AppData\Roaming\9
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1832
  • C:\Users\Admin\AppData\Roaming\9
    C:\Users\Admin\AppData\Roaming\9
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:688
  • C:\Users\Admin\AppData\Roaming\9
    C:\Users\Admin\AppData\Roaming\9
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2720
  • C:\Users\Admin\AppData\Roaming\9
    C:\Users\Admin\AppData\Roaming\9
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2740

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\9.log

    Filesize

    654B

    MD5

    2cbbb74b7da1f720b48ed31085cbd5b8

    SHA1

    79caa9a3ea8abe1b9c4326c3633da64a5f724964

    SHA256

    e31b18f21621d9983bfdf1ea3e53884a9d58b8ffd79e0e5790da6f3a81a8b9d3

    SHA512

    ecf02d5240e0c1c005d3ab393aa7eff62bd498c2db5905157e2bf6d29e1b663228a9583950842629d1a4caef404c8941a0c7799b1a3bd1eb890a09fdb7efcff9

  • C:\Users\Admin\AppData\Roaming\9

    Filesize

    59KB

    MD5

    d172c0a4ae3e8cef6a0a910bde62e195

    SHA1

    51139fc633fe81a66c8ed55081f92ec5256bd0bd

    SHA256

    94b65da2b5cc3728547f892a46e9c48c5d54477d10ea8e210304593acd3568e7

    SHA512

    d82c930a42fd623aeee51007453d201e96110b546f1fb34080fc6d4c1488d71b3828f5f1833d347993444e4d332aa00fbb7b8922fce676d220375470ad0fa467

  • memory/3256-0-0x00007FFB728F3000-0x00007FFB728F5000-memory.dmp

    Filesize

    8KB

  • memory/3256-1-0x0000000000EF0000-0x0000000000F06000-memory.dmp

    Filesize

    88KB

  • memory/3256-5-0x00007FFB728F0000-0x00007FFB733B2000-memory.dmp

    Filesize

    10.8MB

  • memory/3256-6-0x00007FFB728F3000-0x00007FFB728F5000-memory.dmp

    Filesize

    8KB

  • memory/3256-7-0x00007FFB728F0000-0x00007FFB733B2000-memory.dmp

    Filesize

    10.8MB

  • memory/4372-10-0x00007FFB728F0000-0x00007FFB733B2000-memory.dmp

    Filesize

    10.8MB

  • memory/4372-12-0x00007FFB728F0000-0x00007FFB733B2000-memory.dmp

    Filesize

    10.8MB