Overview

overview

10

Static

static

10

lb18.exe

windows10-2004-x64

9

lb18.exe

windows11-21h2-x64

9

Sharing

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General

  • Target
    lb18.exe
  • Size 146KB
  • Sample260617-w58bfset61
  • SHA256 fa361c712381c82552952e348c36dca949329db6ea6088c7228c3884ebb0bfe7
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
lockbitdefense_evasiondiscoveryransomwarespywarestealer

Malware Config

Targets

    • Target
      lb18.exe
    • Size 146KB
    • SHA256 fa361c712381c82552952e348c36dca949329db6ea6088c7228c3884ebb0bfe7
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    9/10
    defense_evasiondiscoveryransomwarespywarestealer

    • Renames multiple (1077) files with added filename extension

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

      ransomware

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Deletes itself

    • Executes dropped EXE

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Drops desktop.ini file(s)

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Indicator Removal: File Deletion

      Adversaries may delete files left behind by the actions of their intrusion activity.

      defense_evasion

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

      ransomware

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks