Analysis

  • max time kernel
    132s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    16-10-2022 04:08

General

  • Target

    3678158c73850cefbb39893957b895827f5c30d7b03ec20010b91d7ddb433440.exe

  • Size

    3.4MB

  • MD5

    d9f897cefc1b3a353fadffc3929a7edf

  • SHA1

    bf640502544049b5bf7dfb8904ceb28a4cde2cff

  • SHA256

    3678158c73850cefbb39893957b895827f5c30d7b03ec20010b91d7ddb433440

  • SHA512

    67a4077090c8cebdadd3031ab496ad115f4f4a878f26db77362947940fa4628f47745921f5f30510cca182bc5c689c7eab461b90bc035f0a26cbf94595aae30c

  • SSDEEP

    49152:q7lJVUUHd1wDhlMWmBU0iXYlyY4nT20kdCMNDR9QtBnADEJSIibvw+:q7lJVfgDhlMWmBU0VQ9KHIu0vKEJMw+

Malware Config

Signatures

  • Generic Chinese Botnet

    A botnet originating from China which is currently unnamed publicly.

  • Chinese Botnet payload 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3678158c73850cefbb39893957b895827f5c30d7b03ec20010b91d7ddb433440.exe
    "C:\Users\Admin\AppData\Local\Temp\3678158c73850cefbb39893957b895827f5c30d7b03ec20010b91d7ddb433440.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1464
    • C:\Windows\SysWOW64\cmd.exe
      cmd /C "del /F /S /Q /A C:\ProgramData\Windowsfig.exe"
      2⤵
        PID:360

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Discovery

    System Information Discovery

    1
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/360-55-0x0000000000000000-mapping.dmp
    • memory/1464-54-0x0000000075B51000-0x0000000075B53000-memory.dmp
      Filesize

      8KB

    • memory/1464-56-0x0000000010000000-0x0000000010027000-memory.dmp
      Filesize

      156KB