Overview

overview

10

Static

static

10

XClient.exe

windows10-1703-x64

10

XClient.exe

windows7-x64

10

XClient.exe

windows10-2004-x64

10

XClient.exe

windows11-21h2-x64

10

Resubmissions

21-05-2024 07:50

240521-jn78xade91 10

21-05-2024 07:45

240521-jlrs5sde3w 10

21-05-2024 07:45

240521-jlh61ade2y 10

21-05-2024 07:36

240521-jfksmsdb24 10

21-05-2024 07:23

240521-h8a88scg37 10

21-05-2024 07:17

240521-h4fcdsce85 10

Analysis

  • max time kernel
    1776s
  • max time network
    1790s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-05-2024 07:45

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General

  • Target

    XClient.exe

  • Size

    41KB

  • MD5

    0658f349a11af82050212edf3f599342

  • SHA1

    0fa5f0818a7e50fd312f5dab4b7150de7df9fa7e

  • SHA256

    5da1772e67ac37571ed70b498e237cde750647607d4fe98fd8e7fd8668e0c0e0

  • SHA512

    0c337cf6b38a2e2c7078813c61086a173c5761f4b90efdbee85fd7edb4f16731d66a9ea95bc4988340b64e37d75b4227b224a110bb0e64fc36e076511857c3f7

  • SSDEEP

    768:TKr2/FPtKX7eRvIiWqyAuIzfjFSuDatF5PG9sJOwhU3ECN:The7EI3RAuwxSuDuFI9sJOwGlN

Score
10/10
xwormpersistencerattrojan

Malware Config

Extracted

Family

xworm

Version

5.0

C2

panel-slave.gl.at.ply.gg:57059

Mutex

kdrfWObdXWjh7iBF

Attributes
  • Install_directory

    %AppData%

  • install_file

    $77client.exe

aes.plain

Signatures

  • Detect Xworm Payload 2 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

    trojanratxworm
  • 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
    persistence
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • 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.

    persistence
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 32 IoCs
  • Suspicious use of SetWindowsHookEx 1 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\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 behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4656
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "$77client" /tr "C:\Users\Admin\AppData\Roaming\$77client.exe"
      2⤵
      • Creates scheduled task(s)
      PID:1940
  • C:\Users\Admin\AppData\Roaming\$77client.exe
    C:\Users\Admin\AppData\Roaming\$77client.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:4492
  • C:\Users\Admin\AppData\Roaming\$77client.exe
    C:\Users\Admin\AppData\Roaming\$77client.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2124
  • C:\Users\Admin\AppData\Roaming\$77client.exe
    C:\Users\Admin\AppData\Roaming\$77client.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:224
  • C:\Users\Admin\AppData\Roaming\$77client.exe
    C:\Users\Admin\AppData\Roaming\$77client.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2828
  • C:\Users\Admin\AppData\Roaming\$77client.exe
    C:\Users\Admin\AppData\Roaming\$77client.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1052
  • C:\Users\Admin\AppData\Roaming\$77client.exe
    C:\Users\Admin\AppData\Roaming\$77client.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3952
  • C:\Users\Admin\AppData\Roaming\$77client.exe
    C:\Users\Admin\AppData\Roaming\$77client.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1552
  • C:\Users\Admin\AppData\Roaming\$77client.exe
    C:\Users\Admin\AppData\Roaming\$77client.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2164
  • C:\Users\Admin\AppData\Roaming\$77client.exe
    C:\Users\Admin\AppData\Roaming\$77client.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:4896
  • C:\Users\Admin\AppData\Roaming\$77client.exe
    C:\Users\Admin\AppData\Roaming\$77client.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:4124
  • C:\Users\Admin\AppData\Roaming\$77client.exe
    C:\Users\Admin\AppData\Roaming\$77client.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:4468
  • C:\Users\Admin\AppData\Roaming\$77client.exe
    C:\Users\Admin\AppData\Roaming\$77client.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2696
  • C:\Users\Admin\AppData\Roaming\$77client.exe
    C:\Users\Admin\AppData\Roaming\$77client.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3368
  • C:\Users\Admin\AppData\Roaming\$77client.exe
    C:\Users\Admin\AppData\Roaming\$77client.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:4332
  • C:\Users\Admin\AppData\Roaming\$77client.exe
    C:\Users\Admin\AppData\Roaming\$77client.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:4572
  • C:\Users\Admin\AppData\Roaming\$77client.exe
    C:\Users\Admin\AppData\Roaming\$77client.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:5060
  • C:\Users\Admin\AppData\Roaming\$77client.exe
    C:\Users\Admin\AppData\Roaming\$77client.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2640
  • C:\Users\Admin\AppData\Roaming\$77client.exe
    C:\Users\Admin\AppData\Roaming\$77client.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1872
  • C:\Users\Admin\AppData\Roaming\$77client.exe
    C:\Users\Admin\AppData\Roaming\$77client.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1552
  • C:\Users\Admin\AppData\Roaming\$77client.exe
    C:\Users\Admin\AppData\Roaming\$77client.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:4736
  • C:\Users\Admin\AppData\Roaming\$77client.exe
    C:\Users\Admin\AppData\Roaming\$77client.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3688
  • C:\Users\Admin\AppData\Roaming\$77client.exe
    C:\Users\Admin\AppData\Roaming\$77client.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:4292
  • C:\Users\Admin\AppData\Roaming\$77client.exe
    C:\Users\Admin\AppData\Roaming\$77client.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1244
  • C:\Users\Admin\AppData\Roaming\$77client.exe
    C:\Users\Admin\AppData\Roaming\$77client.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:4968
  • C:\Users\Admin\AppData\Roaming\$77client.exe
    C:\Users\Admin\AppData\Roaming\$77client.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3704
  • C:\Users\Admin\AppData\Roaming\$77client.exe
    C:\Users\Admin\AppData\Roaming\$77client.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3988
  • C:\Users\Admin\AppData\Roaming\$77client.exe
    C:\Users\Admin\AppData\Roaming\$77client.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2104
  • C:\Users\Admin\AppData\Roaming\$77client.exe
    C:\Users\Admin\AppData\Roaming\$77client.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1324
  • C:\Users\Admin\AppData\Roaming\$77client.exe
    C:\Users\Admin\AppData\Roaming\$77client.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:4032
  • C:\Users\Admin\AppData\Roaming\$77client.exe
    C:\Users\Admin\AppData\Roaming\$77client.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3872

Network

MITRE ATT&CK Enterprise v15

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\$77client.exe.log
    Filesize

    654B

    MD5

    2ff39f6c7249774be85fd60a8f9a245e

    SHA1

    684ff36b31aedc1e587c8496c02722c6698c1c4e

    SHA256

    e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced

    SHA512

    1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1

    Download Submit

  • C:\Users\Admin\AppData\Roaming\$77client.exe
    Filesize

    41KB

    MD5

    0658f349a11af82050212edf3f599342

    SHA1

    0fa5f0818a7e50fd312f5dab4b7150de7df9fa7e

    SHA256

    5da1772e67ac37571ed70b498e237cde750647607d4fe98fd8e7fd8668e0c0e0

    SHA512

    0c337cf6b38a2e2c7078813c61086a173c5761f4b90efdbee85fd7edb4f16731d66a9ea95bc4988340b64e37d75b4227b224a110bb0e64fc36e076511857c3f7

    Download Submit

  • memory/4492-11-0x00007FF9D9340000-0x00007FF9D9E01000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/4492-13-0x00007FF9D9340000-0x00007FF9D9E01000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/4656-0-0x00007FF9D9343000-0x00007FF9D9345000-memory.dmp

    Filesize

    8KB

    Download

  • memory/4656-1-0x0000000000130000-0x0000000000140000-memory.dmp

    Filesize

    64KB

    Download

  • memory/4656-2-0x00007FF9D9340000-0x00007FF9D9E01000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/4656-7-0x00007FF9D9343000-0x00007FF9D9345000-memory.dmp

    Filesize

    8KB

    Download

  • memory/4656-8-0x00007FF9D9340000-0x00007FF9D9E01000-memory.dmp

    Filesize

    10.8MB

    Download