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-h28adsbd5x

  • MD5

    407ea767aa26ae13f9ff20d0999c8dda

  • SHA1

    07e615132ef78e827047ffc4cc6c9d44f5a976fd

  • SHA256

    f2198deecddd5ae56620b594b6b20bf8a20f9c983d4c60144bc6007a53087ce4

  • SHA512

    6c14d07b497af375f2f4db4da321ed7e5fb60a6f26281bcdbfc513eb1033d98442ff83ee58849a721bd7e14a0b7094b98397923c35bd4b6ae91c179784de6b02

  • SSDEEP

    3072:L6glyuxE4GsUPnliByocWepVeKna4iJ0Cv+LmaGqsqRxB:L6gDBGpvEByocWePk4iJ0C2LYcx

Score
10/10
lockbitransomwarespywarestealer

Malware Config

Targets

    • Target

      Document.doc.scr.exe

    • Size

      194KB

    • MD5

      407ea767aa26ae13f9ff20d0999c8dda

    • SHA1

      07e615132ef78e827047ffc4cc6c9d44f5a976fd

    • SHA256

      f2198deecddd5ae56620b594b6b20bf8a20f9c983d4c60144bc6007a53087ce4

    • SHA512

      6c14d07b497af375f2f4db4da321ed7e5fb60a6f26281bcdbfc513eb1033d98442ff83ee58849a721bd7e14a0b7094b98397923c35bd4b6ae91c179784de6b02

    • SSDEEP

      3072:L6glyuxE4GsUPnliByocWepVeKna4iJ0Cv+LmaGqsqRxB:L6gDBGpvEByocWePk4iJ0C2LYcx

    Score
    9/10
    ransomwarespywarestealer

    • Renames multiple (271) 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