Overview

overview

10

Static

static

3

9bf82f9aca...22.exe

windows7-x64

10

9bf82f9aca...22.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    119s
  • max time network
    141s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    24-03-2024 10:01

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General

  • Target

    9bf82f9aca633a2abf6f4a32c9167b8e673008fac45791cf0818554d61db2822.exe

  • Size

    542KB

  • MD5

    d23b1d1384a80398213687314fdf4c8d

  • SHA1

    c8acb6532ea07f31f95715f1980d0b2e7ed78acf

  • SHA256

    9bf82f9aca633a2abf6f4a32c9167b8e673008fac45791cf0818554d61db2822

  • SHA512

    f5d48875ae5cc3fee3bffa3fd579e8927623eff9b02bffc01ec3d6b87cf9e4dea17e4d3b718849f774826659819bfebc6e0aab74cccd9697bd111b5b5b3ccd01

  • SSDEEP

    3072:A5OsiQ79xzUcbK9LK/fzuaCrutJUDpRfmm5yqiXO+Zoy/6ESh0Jz5OdRSud:G7hoBO/fzxUpFmkgXO+T/6EJJNaSQ

Score
10/10
chinese_generic_botnetbotnet

Malware Config

Signatures

  • Generic Chinese Botnet

    A botnet originating from China which is currently unnamed publicly.

    botnetchinese_generic_botnet
  • Chinese Botnet payload 1 IoCs
    botnet
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 7 IoCs
  • Enumerates connected drives 3 TTPs 22 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 2 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9bf82f9aca633a2abf6f4a32c9167b8e673008fac45791cf0818554d61db2822.exe
    "C:\Users\Admin\AppData\Local\Temp\9bf82f9aca633a2abf6f4a32c9167b8e673008fac45791cf0818554d61db2822.exe"
    1⤵
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of SetWindowsHookEx
    PID:1864
  • C:\Program Files (x86)\Cmnurtw.exe
    "C:\Program Files (x86)\Cmnurtw.exe"
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3044
    • C:\Program Files (x86)\Cmnurtw.exe
      "C:\Program Files (x86)\Cmnurtw.exe" Win7
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetWindowsHookEx
      PID:2060

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files (x86)\Cmnurtw.exe
    Filesize

    542KB

    MD5

    d23b1d1384a80398213687314fdf4c8d

    SHA1

    c8acb6532ea07f31f95715f1980d0b2e7ed78acf

    SHA256

    9bf82f9aca633a2abf6f4a32c9167b8e673008fac45791cf0818554d61db2822

    SHA512

    f5d48875ae5cc3fee3bffa3fd579e8927623eff9b02bffc01ec3d6b87cf9e4dea17e4d3b718849f774826659819bfebc6e0aab74cccd9697bd111b5b5b3ccd01

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  • memory/1864-0-0x0000000010000000-0x0000000010018000-memory.dmp

    Filesize

    96KB

    Download