Overview

overview

10

Static

static

10

Document.doc.scr

windows10-2004-x64

9

Sharing

Copy URL
Twitter E-mail

General

  • Target

    Lockbit (ScreenSaver).zip

  • Size

    107KB

  • Sample

    240425-t1a42sce5y

  • MD5

    7aeda3cfab18339ef67e313757508d86

  • SHA1

    26c8deeffb2e39de5462595d9f032ccc667307d1

  • SHA256

    19d4b6b7609e8f421055ff39219cc4381753a26c451f982510e51bc2770b671f

  • SHA512

    0321c14ab695c85402b7ee4505db0caa50da3d539a3a93ef2abc022c0e0a1ea564de99b1b8b3189028346cacdee7d30626229221bc51baab0cf78eadb1150af5

  • SSDEEP

    3072:CkwNsCv3u2l6h6BOiXwx6zTHIa7tMyiFANFNj:Cr3v36H63ypFUr

Score
10/10
lockbitransomwarespywarestealer

Malware Config

Targets

    • Target

      Document.doc.scr

    • Size

      194KB

    • MD5

      b7b4c97132d03eead1fa9a9352dee6c2

    • SHA1

      c9eb1bdc528076fa9c91668addf0723294ac1575

    • SHA256

      1ecea8b0bc92378bf2bdd1c14ae1628c573569419b91cc34504d2c3f8bb9f8b2

    • SHA512

      cb0023bc6783a94a27d2d4a67c214e8657fd334d1a94a7dba51277363dee2a67e7ecc5fc0788cead1c4e0e2dc7d9aa758203f89dce162184869d20a44d171903

    • SSDEEP

      3072:v6glyuxE4GsUPnliByocWepXKD0/9Wy1Og/ZK99r:v6gDBGpvEByocWehKD0/EWfg3

    Score
    9/10
    ransomwarespywarestealer

    • Renames multiple (599) 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)

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

      ransomware

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1

MITRE ATT&CK Enterprise v15

Tasks