Overview

overview

10

Static

static

10

Document.doc.scr

windows7-x64

9

Document.doc.scr

windows10-2004-x64

9

Sharing

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General

  • Target
    Document.doc.scr
  • Size 194KB
  • Sample240423-ycqxtabc45
  • SHA256 86e17aa882c690ede284f3e445439dfe589d8f36e31cbc09d102305499d5c498
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
lockbitransomwarespywarestealer

Malware Config

Targets

    • Target
      Document.doc.scr
    • Size 194KB
    • SHA256 86e17aa882c690ede284f3e445439dfe589d8f36e31cbc09d102305499d5c498
    • MD5 SHA1 SHA512 SSDEEP
    Score
    9/10
    ransomwarespywarestealer

    • Renames multiple (322) 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

    • Sets desktop wallpaper using registry

      ransomware

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks