Overview

overview

8

Static

static

8

lianzhanst.exe

windows7_x64

6

lianzhanst.exe

windows10-2004_x64

6

Analysis

  • max time kernel
    142s
  • max time network
    43s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    22-05-2022 05:34

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General

  • Target

    lianzhanst.exe

  • Size

    3.6MB

  • MD5

    96e4d115b0edc2d77fb7b447e11fda39

  • SHA1

    b3ddf70a0c29b9ab5163702ae420717f39a3e2a4

  • SHA256

    e5975f25c103fae9d95d4652ec3b9e4c479d445d61c88f08354835b85e4b7546

  • SHA512

    beb44f9d0fdcf281513dc8776a6253d97096ea61c847158cc99eade7b083fcd47c5e91f6d20fb75d2d1cd6e0df10ccd50c281f2d343824f726571a6f2dda3723

Score
6/10
bootkitpersistence

Malware Config

Signatures

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

    bootkitpersistence
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\lianzhanst.exe
    "C:\Users\Admin\AppData\Local\Temp\lianzhanst.exe"
    1⤵
    • Writes to the Master Boot Record (MBR)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    PID:1640

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Bootkit

1
T1067

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • memory/1640-54-0x0000000076241000-0x0000000076243000-memory.dmp
    Filesize

    8KB

    Download
  • memory/1640-55-0x0000000000400000-0x000000000097E000-memory.dmp
    Filesize

    5.5MB

    Download
  • memory/1640-56-0x0000000000400000-0x000000000097E000-memory.dmp
    Filesize

    5.5MB

    Download
  • memory/1640-57-0x0000000000400000-0x000000000097E000-memory.dmp
    Filesize

    5.5MB

    Download
  • memory/1640-58-0x0000000000400000-0x000000000097E000-memory.dmp
    Filesize

    5.5MB

    Download