Overview

overview

10

Static

static

10

XClient.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    146s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-07-2024 14:20

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General

  • Target

    XClient.exe

  • Size

    42KB

  • MD5

    43b579c05ba25ff67c4b1a2aac0eb274

  • SHA1

    337605d9a3155b1a84c18605a331848331c1cff8

  • SHA256

    3d8f58f860c0dd1b026c5085c88fe5f79d5cb745dd9fa7a03066dae7fdda497d

  • SHA512

    a81f4d85857e115cc0693546a9774478670128d1d0cdfdf5d62996d1e8c02bafce63ffba3899e4970b30a36ca9c7bd82aa9fa95cb97a29bb842077c19ad7800d

  • SSDEEP

    768:zsTHi7Rvu/7eNLmttOTGwI1ZFEP19YgOQhWku6U8:Wb/yuOTNWFw9YgOQrTB

Score
10/10
xwormpersistencerattrojan

Malware Config

Extracted

Family

xworm

Version

3.1

C2

girl-tries.gl.at.ply.gg:7131

Mutex

OLBw4nqRXNloHL4J

Attributes
  • Install_directory

    %AppData%

  • install_file

    USB.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.

  • Executes dropped EXE 3 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).

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistenceexecution
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 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
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2880
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "XClient" /tr "C:\Users\Admin\AppData\Roaming\XClient.exe"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:232
  • C:\Users\Admin\AppData\Roaming\XClient.exe
    C:\Users\Admin\AppData\Roaming\XClient.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:428
  • C:\Users\Admin\AppData\Roaming\XClient.exe
    C:\Users\Admin\AppData\Roaming\XClient.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:4080
  • C:\Users\Admin\AppData\Roaming\XClient.exe
    C:\Users\Admin\AppData\Roaming\XClient.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:4084

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    654B

    MD5

    2ff39f6c7249774be85fd60a8f9a245e

    SHA1

    684ff36b31aedc1e587c8496c02722c6698c1c4e

    SHA256

    e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced

    SHA512

    1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1

    Download Submit

  • C:\Users\Admin\AppData\Roaming\XClient.exe
    Filesize

    42KB

    MD5

    43b579c05ba25ff67c4b1a2aac0eb274

    SHA1

    337605d9a3155b1a84c18605a331848331c1cff8

    SHA256

    3d8f58f860c0dd1b026c5085c88fe5f79d5cb745dd9fa7a03066dae7fdda497d

    SHA512

    a81f4d85857e115cc0693546a9774478670128d1d0cdfdf5d62996d1e8c02bafce63ffba3899e4970b30a36ca9c7bd82aa9fa95cb97a29bb842077c19ad7800d

    Download Submit

  • memory/428-8-0x00007FFF33B70000-0x00007FFF34631000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/428-10-0x00007FFF33B70000-0x00007FFF34631000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/2880-0-0x00007FFF33B73000-0x00007FFF33B75000-memory.dmp

    Filesize

    8KB

    Download

  • memory/2880-1-0x00000000005E0000-0x00000000005F0000-memory.dmp

    Filesize

    64KB

    Download

  • memory/2880-2-0x00007FFF33B70000-0x00007FFF34631000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/2880-11-0x00007FFF33B73000-0x00007FFF33B75000-memory.dmp

    Filesize

    8KB

    Download

  • memory/2880-12-0x00007FFF33B70000-0x00007FFF34631000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/2880-13-0x000000001B3A0000-0x000000001B3AA000-memory.dmp

    Filesize

    40KB

    Download