Overview

overview

10

Static

static

3

c18d1615f3...8a.exe

windows7-x64

10

c18d1615f3...8a.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    121s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    19-01-2024 07:34

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General

  • Target

    c18d1615f31033b778fa906ee49fbdf4e5ce74ca5229a7f1d8844a52ae6a0b8a.exe

  • Size

    540KB

  • MD5

    21a3275904b3c7d160f42263fb32a80b

  • SHA1

    419e01c3d6d6b90ca81d7a627a5719e32901e8f9

  • SHA256

    c18d1615f31033b778fa906ee49fbdf4e5ce74ca5229a7f1d8844a52ae6a0b8a

  • SHA512

    952cbb2a2a04ef6732fae271c75649cd664f12ccd0c7d1eda3bd45bc12080f8fe2aa56b6836901d8bcecd99a70df23b08aeaef8a26b0b116bda9436074a75be5

  • SSDEEP

    3072:A5OsiQ79xzUcbK9LK/fzuaCrutJUDpRfmm5yqiXO+Zoy/6ESh0Jz5OdRSu:G7hoBO/fzxUpFmkgXO+T/6EJJNaS

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\c18d1615f31033b778fa906ee49fbdf4e5ce74ca5229a7f1d8844a52ae6a0b8a.exe
    "C:\Users\Admin\AppData\Local\Temp\c18d1615f31033b778fa906ee49fbdf4e5ce74ca5229a7f1d8844a52ae6a0b8a.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:2672
  • 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:2332
    • 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:2804

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    540KB

    MD5

    21a3275904b3c7d160f42263fb32a80b

    SHA1

    419e01c3d6d6b90ca81d7a627a5719e32901e8f9

    SHA256

    c18d1615f31033b778fa906ee49fbdf4e5ce74ca5229a7f1d8844a52ae6a0b8a

    SHA512

    952cbb2a2a04ef6732fae271c75649cd664f12ccd0c7d1eda3bd45bc12080f8fe2aa56b6836901d8bcecd99a70df23b08aeaef8a26b0b116bda9436074a75be5

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  • memory/2672-0-0x0000000010000000-0x0000000010018000-memory.dmp

    Filesize

    96KB

    Download