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Analysis

  • max time kernel
    182s
  • max time network
    198s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    12/02/2022, 13:02

General

  • Target

    0603c201faa179294a7104b3c7f0f86d823f766fdff70ec61073e480309dd0df.exe

  • Size

    613KB

  • MD5

    d47f881aab0e1d00a775f38df7cd8835

  • SHA1

    16aa64f660ab69866f52c3348a086a88a7c2a078

  • SHA256

    0603c201faa179294a7104b3c7f0f86d823f766fdff70ec61073e480309dd0df

  • SHA512

    57c8db79534763d4c6b7fa9d3e9208d87966ff861aed975d744d56eb46e4adf0f42096f95754621f76a80e8e242b51d22fff89c6d3e740aad30e863e544e3f5f

Malware Config

Signatures

  • Generic Chinese Botnet

    A botnet originating from China which is currently unnamed publicly.

  • Chinese Botnet Payload 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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 use of AdjustPrivilegeToken 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0603c201faa179294a7104b3c7f0f86d823f766fdff70ec61073e480309dd0df.exe
    "C:\Users\Admin\AppData\Local\Temp\0603c201faa179294a7104b3c7f0f86d823f766fdff70ec61073e480309dd0df.exe"
    1⤵
    • Adds Run key to start application
    PID:4036
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:3060
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k NetworkService -p
    1⤵
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    PID:544
  • C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe
    C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    PID:2452

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/4036-130-0x0000000000400000-0x000000000049E000-memory.dmp

    Filesize

    632KB

  • memory/4036-131-0x0000000010000000-0x0000000010018000-memory.dmp

    Filesize

    96KB