Overview

overview

10

Static

static

10

mbrlocker.exe

windows7-x64

10

mbrlocker.exe

windows10-2004-x64

10

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General

  • Target

    mbrlocker.exe

  • Size

    7KB

  • Sample

    231223-nqw1wafffj

  • MD5

    61dc75a6465bc7582f873b554fcb1b6a

  • SHA1

    9dcfd74bcb873ddb4ed65ea234140f33664a9ff2

  • SHA256

    eaad06b4a7b1072a3e7e361638e75ffc18d81e17d8a443b511b77162fe4251a3

  • SHA512

    457ae5e5315645f8d496fe4066f2487f8e17372f9225b648498b5444b9f13ed1b7768a773c37153cf32518ec102d2c8c5f3f89f7d760a81ded9bc96848834f1a

  • SSDEEP

    96:lrZhl8wdS+r3yOYW189fTwUVF0CWHyjk8P1LOmjXfihExs2VKi6oWd96OGMUA:Nzdrr1FG1WDCgmjPZHT/OGMUA

Score
10/10
xoristpersistenceransomwarespywarestealerupx

Malware Config

Targets

    • Target

      mbrlocker.exe

    • Size

      7KB

    • MD5

      61dc75a6465bc7582f873b554fcb1b6a

    • SHA1

      9dcfd74bcb873ddb4ed65ea234140f33664a9ff2

    • SHA256

      eaad06b4a7b1072a3e7e361638e75ffc18d81e17d8a443b511b77162fe4251a3

    • SHA512

      457ae5e5315645f8d496fe4066f2487f8e17372f9225b648498b5444b9f13ed1b7768a773c37153cf32518ec102d2c8c5f3f89f7d760a81ded9bc96848834f1a

    • SSDEEP

      96:lrZhl8wdS+r3yOYW189fTwUVF0CWHyjk8P1LOmjXfihExs2VKi6oWd96OGMUA:Nzdrr1FG1WDCgmjPZHT/OGMUA

    Score
    10/10
    xoristpersistenceransomwarespywarestealerupx

    • Detected Xorist Ransomware

    • Xorist Ransomware

      Xorist is a ransomware first seen in 2020.

      ransomwarexorist

    • Renames multiple (2172) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

      ransomware

    • Drops file in Drivers directory

    • Drops startup file

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • UPX packed file

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

      upx

    • Adds Run key to start application

      persistence

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks