Overview

overview

8

Static

static

8913e73fa3...2e.exe

windows7_x64

8

8913e73fa3...2e.exe

windows10-2004_x64

8

Analysis

  • max time kernel
    211s
  • max time network
    235s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    20-05-2022 07:42

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General

  • Target

    8913e73fa3935f88da00be03ed1d5a82e125b5553d2de8f85c8ead66d3b0632e.exe

  • Size

    956KB

  • MD5

    4c75ac94ce30d24541a43e843ac22fc8

  • SHA1

    a987dcda2e42494d4afd86fab22bff39a47be87d

  • SHA256

    8913e73fa3935f88da00be03ed1d5a82e125b5553d2de8f85c8ead66d3b0632e

  • SHA512

    f28e47fe7dc992a1b9e5c535b2086989f4df850986976cabe8fd1af36ff42d9d1c233f82469ce7b2b96d55d1a8d04ef015dbae7b37b3c29af01204b75e9e408e

Score
8/10
bootkitpersistenceupx

Malware Config

Signatures

  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • 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
  • Program crash 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8913e73fa3935f88da00be03ed1d5a82e125b5553d2de8f85c8ead66d3b0632e.exe
    "C:\Users\Admin\AppData\Local\Temp\8913e73fa3935f88da00be03ed1d5a82e125b5553d2de8f85c8ead66d3b0632e.exe"
    1⤵
    • Writes to the Master Boot Record (MBR)
    PID:2236
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2236 -s 236
      2⤵
      • Program crash
      PID:676
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2236 -ip 2236
    1⤵
      PID:4072

    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/2236-130-0x0000000010000000-0x000000001000B000-memory.dmp
      Filesize

      44KB

      Download
    • memory/2236-131-0x0000000010000000-0x000000001000B000-memory.dmp
      Filesize

      44KB

      Download