Analysis

  • max time kernel
    1777s
  • max time network
    1608s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-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:164
    • 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:4924
  • C:\Users\Admin\AppData\Roaming\9
    C:\Users\Admin\AppData\Roaming\9
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:4520
  • C:\Users\Admin\AppData\Roaming\9
    C:\Users\Admin\AppData\Roaming\9
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:4556
  • C:\Users\Admin\AppData\Roaming\9
    C:\Users\Admin\AppData\Roaming\9
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:4328
  • C:\Users\Admin\AppData\Roaming\9
    C:\Users\Admin\AppData\Roaming\9
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2192
  • C:\Users\Admin\AppData\Roaming\9
    C:\Users\Admin\AppData\Roaming\9
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:4888
  • C:\Users\Admin\AppData\Roaming\9
    C:\Users\Admin\AppData\Roaming\9
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:4824
  • C:\Users\Admin\AppData\Roaming\9
    C:\Users\Admin\AppData\Roaming\9
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:308
  • C:\Users\Admin\AppData\Roaming\9
    C:\Users\Admin\AppData\Roaming\9
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:4556
  • C:\Users\Admin\AppData\Roaming\9
    C:\Users\Admin\AppData\Roaming\9
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1748
  • C:\Users\Admin\AppData\Roaming\9
    C:\Users\Admin\AppData\Roaming\9
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:5028
  • C:\Users\Admin\AppData\Roaming\9
    C:\Users\Admin\AppData\Roaming\9
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1736
  • 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:4236
  • C:\Users\Admin\AppData\Roaming\9
    C:\Users\Admin\AppData\Roaming\9
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2528
  • C:\Users\Admin\AppData\Roaming\9
    C:\Users\Admin\AppData\Roaming\9
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2028
  • C:\Users\Admin\AppData\Roaming\9
    C:\Users\Admin\AppData\Roaming\9
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2876
  • 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:2388
  • C:\Users\Admin\AppData\Roaming\9
    C:\Users\Admin\AppData\Roaming\9
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2456
  • C:\Users\Admin\AppData\Roaming\9
    C:\Users\Admin\AppData\Roaming\9
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3408
  • C:\Users\Admin\AppData\Roaming\9
    C:\Users\Admin\AppData\Roaming\9
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:4548
  • C:\Users\Admin\AppData\Roaming\9
    C:\Users\Admin\AppData\Roaming\9
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:4036
  • C:\Users\Admin\AppData\Roaming\9
    C:\Users\Admin\AppData\Roaming\9
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:4824
  • C:\Users\Admin\AppData\Roaming\9
    C:\Users\Admin\AppData\Roaming\9
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:4988
  • C:\Users\Admin\AppData\Roaming\9
    C:\Users\Admin\AppData\Roaming\9
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3684
  • C:\Users\Admin\AppData\Roaming\9
    C:\Users\Admin\AppData\Roaming\9
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:256
  • C:\Users\Admin\AppData\Roaming\9
    C:\Users\Admin\AppData\Roaming\9
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3912
  • C:\Users\Admin\AppData\Roaming\9
    C:\Users\Admin\AppData\Roaming\9
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:780
  • C:\Users\Admin\AppData\Roaming\9
    C:\Users\Admin\AppData\Roaming\9
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3028
  • C:\Users\Admin\AppData\Roaming\9
    C:\Users\Admin\AppData\Roaming\9
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:5112

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

    16c5fce5f7230eea11598ec11ed42862

    SHA1

    75392d4824706090f5e8907eee1059349c927600

    SHA256

    87ba77c13905298acbac72be90949c4fe0755b6eff9777615aa37f252515f151

    SHA512

    153edd6da59beea6cc411ed7383c32916425d6ebb65f04c65aab7c1d6b25443d143aa8449aa92149de0ad8a975f6ecaa60f9f7574536eec6b38fe5fd3a6c6adc

  • C:\Users\Admin\AppData\Roaming\9

    Filesize

    59KB

    MD5

    d172c0a4ae3e8cef6a0a910bde62e195

    SHA1

    51139fc633fe81a66c8ed55081f92ec5256bd0bd

    SHA256

    94b65da2b5cc3728547f892a46e9c48c5d54477d10ea8e210304593acd3568e7

    SHA512

    d82c930a42fd623aeee51007453d201e96110b546f1fb34080fc6d4c1488d71b3828f5f1833d347993444e4d332aa00fbb7b8922fce676d220375470ad0fa467

  • memory/164-1-0x0000000000530000-0x0000000000546000-memory.dmp

    Filesize

    88KB

  • memory/164-0-0x00007FF8C9B73000-0x00007FF8C9B74000-memory.dmp

    Filesize

    4KB

  • memory/164-5-0x00007FF8C9B70000-0x00007FF8CA55C000-memory.dmp

    Filesize

    9.9MB

  • memory/164-6-0x00007FF8C9B70000-0x00007FF8CA55C000-memory.dmp

    Filesize

    9.9MB

  • memory/4520-9-0x00007FF8C9B70000-0x00007FF8CA55C000-memory.dmp

    Filesize

    9.9MB

  • memory/4520-11-0x00007FF8C9B70000-0x00007FF8CA55C000-memory.dmp

    Filesize

    9.9MB