Analysis

  • max time kernel
    121s
  • max time network
    142s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    22-03-2024 09:59

General

  • Target

    c475c63b1179e2899fb0c623d9f770125db643514b6f612906c79a39036407f8.exe

  • Size

    3.3MB

  • MD5

    cb3fc4ea063aa9207a9a4f896ab06864

  • SHA1

    7196406db5b38a68b2c90b5c01c675ecac8cca46

  • SHA256

    c475c63b1179e2899fb0c623d9f770125db643514b6f612906c79a39036407f8

  • SHA512

    afbc7fb770ca349b1b1a6835a6af2793f116684dffe5b42870ef782aaa6b06b007ac0545615266622a86877cac105328ee7e604ef3e82248773ca52717251b10

  • SSDEEP

    49152:t/G5xi03zDWi26fs2cWDAbcl7jkv4+9Ry4kjCz:t/G5T0uDhEv4n4M

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 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 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c475c63b1179e2899fb0c623d9f770125db643514b6f612906c79a39036407f8.exe
    "C:\Users\Admin\AppData\Local\Temp\c475c63b1179e2899fb0c623d9f770125db643514b6f612906c79a39036407f8.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:1920
  • C:\Program Files (x86)\Wgqayyc.exe
    "C:\Program Files (x86)\Wgqayyc.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2520
    • C:\Program Files (x86)\Wgqayyc.exe
      "C:\Program Files (x86)\Wgqayyc.exe" Win7
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:2612

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    3.3MB

    MD5

    cb3fc4ea063aa9207a9a4f896ab06864

    SHA1

    7196406db5b38a68b2c90b5c01c675ecac8cca46

    SHA256

    c475c63b1179e2899fb0c623d9f770125db643514b6f612906c79a39036407f8

    SHA512

    afbc7fb770ca349b1b1a6835a6af2793f116684dffe5b42870ef782aaa6b06b007ac0545615266622a86877cac105328ee7e604ef3e82248773ca52717251b10

  • memory/1920-0-0x0000000010000000-0x000000001001F000-memory.dmp

    Filesize

    124KB