Overview

overview

8

Static

static

3be5307855...2d.exe

windows7_x64

8

3be5307855...2d.exe

windows10-2004_x64

8

Analysis

  • max time kernel
    141s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    20-05-2022 21:46

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General

  • Target

    3be53078552b1c2cdb0d81afa62768c2de793a7ddaef864249c297117227c12d.exe

  • Size

    2.5MB

  • MD5

    ed5c9f7413ea2a90ee2b68177722b19d

  • SHA1

    b67fd00fb901db3df57effc3eb6b08b1bbd07e88

  • SHA256

    3be53078552b1c2cdb0d81afa62768c2de793a7ddaef864249c297117227c12d

  • SHA512

    2773d591b09b514a1fea98090f56575453bfa56fee87c007d0d1d535f8b0b660b245cd02892719ea9a698a780af89cb63a98596f233c2b6a871196b97ef8fc73

Score
8/10
bootkitpersistence

Malware Config

Signatures

  • Drops file in Drivers directory 1 IoCs
  • 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
  • Gathers network information 2 TTPs 2 IoCs

    Uses commandline utility to view network configuration.

  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3be53078552b1c2cdb0d81afa62768c2de793a7ddaef864249c297117227c12d.exe
    "C:\Users\Admin\AppData\Local\Temp\3be53078552b1c2cdb0d81afa62768c2de793a7ddaef864249c297117227c12d.exe"
    1⤵
    • Drops file in Drivers directory
    • Writes to the Master Boot Record (MBR)
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4328
    • C:\Windows\SysWOW64\ipconfig.exe
      ipconfig /flushdns
      2⤵
      • Gathers network information
      PID:4764
    • C:\Windows\SysWOW64\ipconfig.exe
      ipconfig /flushdns
      2⤵
      • Gathers network information
      PID:1332
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalService -p -s BthAvctpSvc
    1⤵
      PID:4600

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Command-Line Interface

    1
    T1059

    Persistence

    Bootkit

    1
    T1067

    Privilege Escalation

    Defense Evasion

    Credential Access

    Discovery

    System Information Discovery

    1
    T1082

    Lateral Movement

    Collection

    Exfiltration

    Command and Control

    Impact

    Replay Monitor

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    Downloads

    • memory/1332-131-0x0000000000000000-mapping.dmp
      Download
    • memory/4764-130-0x0000000000000000-mapping.dmp
      Download