Overview

overview

10

Static

static

10

LB3.exe

windows7-x64

9

LB3.exe

windows10-2004-x64

9

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General

  • Target

    LB3.exe

  • Size

    145KB

  • Sample

    240710-tjvr5axaln

  • MD5

    1676d013b73a71c5d7a7f8129dce462c

  • SHA1

    f7353627f6417b7bbca121b79ccbb206157f1e4a

  • SHA256

    aafc63bc6e322b9a5f98cfcce836aab437e1333ed238a63285cf6e5a510fada9

  • SHA512

    009230f4f366144aac799bfed06e6ea8ca62843c98e18a8b4d5be164346f1bf1915ab92ba16061bdc9680b48a97c04e933203bd6cf07674933af9b1a283feac9

  • SSDEEP

    1536:+zICS4AAwczUUf8y8gvMH+1zGSNAojMP95D1xDBt6+veFX5Ju5PmAiWSVwEydUyz:lqJogYkcSNm9V7DByJA5uAiPuE8T

Score
10/10
lockbitransomwarespywarestealer

Malware Config

Targets

    • Target

      LB3.exe

    • Size

      145KB

    • MD5

      1676d013b73a71c5d7a7f8129dce462c

    • SHA1

      f7353627f6417b7bbca121b79ccbb206157f1e4a

    • SHA256

      aafc63bc6e322b9a5f98cfcce836aab437e1333ed238a63285cf6e5a510fada9

    • SHA512

      009230f4f366144aac799bfed06e6ea8ca62843c98e18a8b4d5be164346f1bf1915ab92ba16061bdc9680b48a97c04e933203bd6cf07674933af9b1a283feac9

    • SSDEEP

      1536:+zICS4AAwczUUf8y8gvMH+1zGSNAojMP95D1xDBt6+veFX5Ju5PmAiWSVwEydUyz:lqJogYkcSNm9V7DByJA5uAiPuE8T

    Score
    9/10
    ransomwarespywarestealer

    • Renames multiple (892) 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

    • Loads dropped DLL

    • 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)

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks