Overview

overview

10

Static

static

10

Document.doc.scr.exe

windows7-x64

9

Document.doc.scr.exe

windows10-2004-x64

9

Sharing

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General

  • Target

    Document.doc.scr.exe

  • Size

    194KB

  • Sample

    240426-g2lkysaf3z

  • MD5

    6fd558cf3add096970e15d1e62ca1957

  • SHA1

    78e95fabcfe8ef7bb6419f8456deccc3d5fa4c23

  • SHA256

    41e187191625d749b89a11bc04fc0b2a3b9bd638035d05b39365c47ab36d1898

  • SHA512

    fac7efe9b76f9b6a917f8751f5be64ad8e067e5404fe05f3e9d7781ea3661a06c0baaac676a6023eb4a0b7f01bc2bb2d64d572f85aec8ad8de35cc7f106e1fdc

  • SSDEEP

    3072:n6glyuxE4GsUPnliByocWepMhJL4BFkTGX:n6gDBGpvEByocWeyhJL4UK

Score
10/10
lockbitransomwarespywarestealer

Malware Config

Targets

    • Target

      Document.doc.scr.exe

    • Size

      194KB

    • MD5

      6fd558cf3add096970e15d1e62ca1957

    • SHA1

      78e95fabcfe8ef7bb6419f8456deccc3d5fa4c23

    • SHA256

      41e187191625d749b89a11bc04fc0b2a3b9bd638035d05b39365c47ab36d1898

    • SHA512

      fac7efe9b76f9b6a917f8751f5be64ad8e067e5404fe05f3e9d7781ea3661a06c0baaac676a6023eb4a0b7f01bc2bb2d64d572f85aec8ad8de35cc7f106e1fdc

    • SSDEEP

      3072:n6glyuxE4GsUPnliByocWepMhJL4BFkTGX:n6gDBGpvEByocWeyhJL4UK

    Score
    9/10
    ransomwarespywarestealer

    • Renames multiple (306) 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 Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

3
T1012

System Information Discovery

4
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Defacement

1
T1491

Resource Development

Reconnaissance

Tasks