Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    28-10-2023 18:48

General

  • Target

    ac6031032aa78a2d47d0956ed94d71920bc849d634006c2b46b138e8593add0f.exe

  • Size

    356KB

  • MD5

    6b96baef4479a4b649e66bcc386fa3bf

  • SHA1

    450858c469c2b71039ef7aebdd23ba091b8ee192

  • SHA256

    ac6031032aa78a2d47d0956ed94d71920bc849d634006c2b46b138e8593add0f

  • SHA512

    db6562b341d77cd2b0b4acee27d02fb38a4be7ad6223670cf10bf555390d26e906ff462acbb664c8b222cc0e842ad89942e65a365d4061a46160011e9f832030

  • SSDEEP

    1536:riRtp/YdUQtoRp13IOkQNXVfhNrqjlPQbd7MnHDpsOf2AD92KO9AZCM7ED:rAAdrtoRP3DX9hNujlPQb6nr2KOE7ED

Malware Config

Signatures

  • Generic Chinese Botnet

    A botnet originating from China which is currently unnamed publicly.

  • Chinese Botnet payload 1 IoCs
  • Executes dropped EXE 2 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 System32 directory 2 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Modifies data under HKEY_USERS 49 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ac6031032aa78a2d47d0956ed94d71920bc849d634006c2b46b138e8593add0f.exe
    "C:\Users\Admin\AppData\Local\Temp\ac6031032aa78a2d47d0956ed94d71920bc849d634006c2b46b138e8593add0f.exe"
    1⤵
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:2348
  • C:\Program Files (x86)\Gcqqesy.exe
    "C:\Program Files (x86)\Gcqqesy.exe"
    1⤵
    • Executes dropped EXE
    • Drops file in System32 directory
    • Modifies data under HKEY_USERS
    • Suspicious use of WriteProcessMemory
    PID:2736
    • C:\Program Files (x86)\Gcqqesy.exe
      "C:\Program Files (x86)\Gcqqesy.exe" Win7
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Modifies data under HKEY_USERS
      PID:2508

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files (x86)\Gcqqesy.exe

    Filesize

    356KB

    MD5

    6b96baef4479a4b649e66bcc386fa3bf

    SHA1

    450858c469c2b71039ef7aebdd23ba091b8ee192

    SHA256

    ac6031032aa78a2d47d0956ed94d71920bc849d634006c2b46b138e8593add0f

    SHA512

    db6562b341d77cd2b0b4acee27d02fb38a4be7ad6223670cf10bf555390d26e906ff462acbb664c8b222cc0e842ad89942e65a365d4061a46160011e9f832030

  • C:\Program Files (x86)\Gcqqesy.exe

    Filesize

    356KB

    MD5

    6b96baef4479a4b649e66bcc386fa3bf

    SHA1

    450858c469c2b71039ef7aebdd23ba091b8ee192

    SHA256

    ac6031032aa78a2d47d0956ed94d71920bc849d634006c2b46b138e8593add0f

    SHA512

    db6562b341d77cd2b0b4acee27d02fb38a4be7ad6223670cf10bf555390d26e906ff462acbb664c8b222cc0e842ad89942e65a365d4061a46160011e9f832030

  • C:\Program Files (x86)\Gcqqesy.exe

    Filesize

    356KB

    MD5

    6b96baef4479a4b649e66bcc386fa3bf

    SHA1

    450858c469c2b71039ef7aebdd23ba091b8ee192

    SHA256

    ac6031032aa78a2d47d0956ed94d71920bc849d634006c2b46b138e8593add0f

    SHA512

    db6562b341d77cd2b0b4acee27d02fb38a4be7ad6223670cf10bf555390d26e906ff462acbb664c8b222cc0e842ad89942e65a365d4061a46160011e9f832030

  • memory/2348-0-0x0000000010000000-0x0000000010018000-memory.dmp

    Filesize

    96KB