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Overview

overview

10

Static

static

10

1f002be3e2...ba.exe

windows7-x64

10

1f002be3e2...ba.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    96s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/08/2024, 01:12

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General

  • Target

    1f002be3e2c89853aab023bcfac564bf6a2f0fe4d3ff936444594964413b6fba.exe

  • Size

    170KB

  • MD5

    a805c895c507a30f12e39e04f55a7bf1

  • SHA1

    1871cc40e2c48397f54d96d6be8fe07c0b615fa1

  • SHA256

    1f002be3e2c89853aab023bcfac564bf6a2f0fe4d3ff936444594964413b6fba

  • SHA512

    5b1b85a835c0d2f5253e2d421541344b1798365a8f25131f73b12df578958b257ab89d602ebff8974750dd76cf2fe5195ef9da6f7f017f180927f771121c02e1

  • SSDEEP

    3072:T7FTPCDwNXHwR8bOH9yE8OB7SnFTM+lmsolAIrRuw+mqv9j1MWLQM:T7FTaDwRk8b09N/7S4+lDAA

Score
10/10
xwormpersistencerattrojan

Malware Config

Extracted

Family

xworm

C2

127.0.0.1:1234

143.198.208.124:1234
Attributes
  • Install_directory

    %Temp%

  • install_file

    XClient.exe

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 2 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 4 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\1f002be3e2c89853aab023bcfac564bf6a2f0fe4d3ff936444594964413b6fba.exe
    "C:\Users\Admin\AppData\Local\Temp\1f002be3e2c89853aab023bcfac564bf6a2f0fe4d3ff936444594964413b6fba.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2512
    • 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\Local\Temp\XClient.exe"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:3356
  • C:\Users\Admin\AppData\Local\Temp\XClient.exe
    C:\Users\Admin\AppData\Local\Temp\XClient.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1116
  • C:\Users\Admin\AppData\Local\Temp\XClient.exe
    C:\Users\Admin\AppData\Local\Temp\XClient.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1596

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\Local\Temp\XClient.exe
    Filesize

    170KB

    MD5

    a805c895c507a30f12e39e04f55a7bf1

    SHA1

    1871cc40e2c48397f54d96d6be8fe07c0b615fa1

    SHA256

    1f002be3e2c89853aab023bcfac564bf6a2f0fe4d3ff936444594964413b6fba

    SHA512

    5b1b85a835c0d2f5253e2d421541344b1798365a8f25131f73b12df578958b257ab89d602ebff8974750dd76cf2fe5195ef9da6f7f017f180927f771121c02e1

    Download Submit

  • memory/1116-11-0x00007FFC72B70000-0x00007FFC73631000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/1116-13-0x00007FFC72B70000-0x00007FFC73631000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/2512-0-0x00007FFC72B73000-0x00007FFC72B75000-memory.dmp

    Filesize

    8KB

    Download

  • memory/2512-1-0x0000000000800000-0x0000000000830000-memory.dmp

    Filesize

    192KB

    Download

  • memory/2512-2-0x00007FFC72B70000-0x00007FFC73631000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/2512-7-0x00007FFC72B73000-0x00007FFC72B75000-memory.dmp

    Filesize

    8KB

    Download

  • memory/2512-8-0x00007FFC72B70000-0x00007FFC73631000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/2512-14-0x00000000010E0000-0x00000000010EC000-memory.dmp

    Filesize

    48KB

    Download