Analysis

  • max time kernel
    1751s
  • max time network
    1170s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-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#.

  • 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 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⤵
    • Checks computer location settings
    • Drops startup file
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3760
    • 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:2696
  • C:\Users\Admin\AppData\Roaming\9
    C:\Users\Admin\AppData\Roaming\9
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3836
  • C:\Users\Admin\AppData\Roaming\9
    C:\Users\Admin\AppData\Roaming\9
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:452
  • C:\Users\Admin\AppData\Roaming\9
    C:\Users\Admin\AppData\Roaming\9
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:4780
  • C:\Users\Admin\AppData\Roaming\9
    C:\Users\Admin\AppData\Roaming\9
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1840
  • C:\Users\Admin\AppData\Roaming\9
    C:\Users\Admin\AppData\Roaming\9
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3644
  • C:\Users\Admin\AppData\Roaming\9
    C:\Users\Admin\AppData\Roaming\9
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:4880
  • C:\Users\Admin\AppData\Roaming\9
    C:\Users\Admin\AppData\Roaming\9
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2716
  • C:\Users\Admin\AppData\Roaming\9
    C:\Users\Admin\AppData\Roaming\9
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:5084
  • C:\Users\Admin\AppData\Roaming\9
    C:\Users\Admin\AppData\Roaming\9
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1708
  • C:\Users\Admin\AppData\Roaming\9
    C:\Users\Admin\AppData\Roaming\9
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1384
  • C:\Users\Admin\AppData\Roaming\9
    C:\Users\Admin\AppData\Roaming\9
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3764
  • C:\Users\Admin\AppData\Roaming\9
    C:\Users\Admin\AppData\Roaming\9
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1448
  • C:\Users\Admin\AppData\Roaming\9
    C:\Users\Admin\AppData\Roaming\9
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3380
  • C:\Users\Admin\AppData\Roaming\9
    C:\Users\Admin\AppData\Roaming\9
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1412
  • C:\Users\Admin\AppData\Roaming\9
    C:\Users\Admin\AppData\Roaming\9
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1188
  • C:\Users\Admin\AppData\Roaming\9
    C:\Users\Admin\AppData\Roaming\9
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:4208
  • C:\Users\Admin\AppData\Roaming\9
    C:\Users\Admin\AppData\Roaming\9
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1288
  • C:\Users\Admin\AppData\Roaming\9
    C:\Users\Admin\AppData\Roaming\9
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:4308
  • C:\Users\Admin\AppData\Roaming\9
    C:\Users\Admin\AppData\Roaming\9
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2212
  • C:\Users\Admin\AppData\Roaming\9
    C:\Users\Admin\AppData\Roaming\9
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3472
  • C:\Users\Admin\AppData\Roaming\9
    C:\Users\Admin\AppData\Roaming\9
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2160
  • C:\Users\Admin\AppData\Roaming\9
    C:\Users\Admin\AppData\Roaming\9
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:4780
  • C:\Users\Admin\AppData\Roaming\9
    C:\Users\Admin\AppData\Roaming\9
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2668
  • C:\Users\Admin\AppData\Roaming\9
    C:\Users\Admin\AppData\Roaming\9
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:412
  • C:\Users\Admin\AppData\Roaming\9
    C:\Users\Admin\AppData\Roaming\9
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:848
  • C:\Users\Admin\AppData\Roaming\9
    C:\Users\Admin\AppData\Roaming\9
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1296
  • C:\Users\Admin\AppData\Roaming\9
    C:\Users\Admin\AppData\Roaming\9
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1080
  • C:\Users\Admin\AppData\Roaming\9
    C:\Users\Admin\AppData\Roaming\9
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1800
  • C:\Users\Admin\AppData\Roaming\9
    C:\Users\Admin\AppData\Roaming\9
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2020
  • C:\Users\Admin\AppData\Roaming\9
    C:\Users\Admin\AppData\Roaming\9
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2264

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

    2ff39f6c7249774be85fd60a8f9a245e

    SHA1

    684ff36b31aedc1e587c8496c02722c6698c1c4e

    SHA256

    e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced

    SHA512

    1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1

  • C:\Users\Admin\AppData\Roaming\9

    Filesize

    59KB

    MD5

    d172c0a4ae3e8cef6a0a910bde62e195

    SHA1

    51139fc633fe81a66c8ed55081f92ec5256bd0bd

    SHA256

    94b65da2b5cc3728547f892a46e9c48c5d54477d10ea8e210304593acd3568e7

    SHA512

    d82c930a42fd623aeee51007453d201e96110b546f1fb34080fc6d4c1488d71b3828f5f1833d347993444e4d332aa00fbb7b8922fce676d220375470ad0fa467

  • memory/3760-0-0x00007FF8010B3000-0x00007FF8010B5000-memory.dmp

    Filesize

    8KB

  • memory/3760-1-0x0000000000B10000-0x0000000000B26000-memory.dmp

    Filesize

    88KB

  • memory/3760-5-0x00007FF8010B0000-0x00007FF801B71000-memory.dmp

    Filesize

    10.8MB

  • memory/3760-11-0x00007FF8010B0000-0x00007FF801B71000-memory.dmp

    Filesize

    10.8MB

  • memory/3836-8-0x00007FF8010B0000-0x00007FF801B71000-memory.dmp

    Filesize

    10.8MB

  • memory/3836-10-0x00007FF8010B0000-0x00007FF801B71000-memory.dmp

    Filesize

    10.8MB