Overview

overview

10

Static

static

5

baj.exe

windows10-2004-x64

10

baj.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    baj.exe
  • Size 71KB
  • Sample260919-nc1rxabl4s
  • SHA256 33f6374aeb29cc95dfc7b43c58e961a35c9864c60b9ca3e99ab5368ad469cb39
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defense_evasiondiscoveryexecutionpersistenceransomwarespywarestealerupx

Malware Config

Extracted

Path

  • C:\Program Files (x86)\a7k9p2q-ReadMe.txt

Ransom Note
  • >>> All your important files have been ENCRYPTED <<< - The only way for restoring your files is through purchase of decryption software from us. - To restore your files, contact us by email. - Send your ID to all addresses below to get the fastest response client ID --> 3BSRZKH241ZJZENM In order to start negotiations, Send message to our mailboxes: - [email protected] - [email protected] >>> Your client ID:3BSRZKH241ZJZENM <<< Important Warnings: - Do not contact data recovery companies. They are middlemen who will charge you much more and scam you. - The sooner you contact us, the lower the recovery cost. - Do not rename, modify, or delete any encrypted files — doing so can make recovery impossible. - Do not use third-party tools to decrypt files. This will damage your data and make recovery permanently impossible. Time is critical. Send your ID to all email addresses for the quickest help.

Targets

    • Target
      baj.exe
    • Size 71KB
    • SHA256 33f6374aeb29cc95dfc7b43c58e961a35c9864c60b9ca3e99ab5368ad469cb39
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    defense_evasiondiscoveryexecutionpersistenceransomwarespywarestealerupx

    • Clears Windows event logs

      defense_evasionransomware

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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)

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Modifies WinLogon

      persistence

    • Power Settings

      powercfg controls all configurable power system settings on a Windows system and can be abused to prevent an infected host from locking or shutting down.

      persistence

    • Sets desktop wallpaper using registry

      ransomware

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

Windows Command Shell

1
T1059.003

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Boot or Logon Autostart Execution

1
T1547

Winlogon Helper DLL

1
T1547.004

Power Settings

1
T1653

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Winlogon Helper DLL

1
T1547.004

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Indicator Removal

1
T1070

Clear Windows Event Logs

1
T1070.001

Modify Registry

2
T1112

Credential Access

Credentials from Password Stores

1
T1555

Credentials from Web Browsers

1
T1555.003

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Peripheral Device Discovery

1
T1120

Query Registry

2
T1012

Remote System Discovery

1
T1018

System Information Discovery

3
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

1
T1016

Internet Connection Discovery

1
T1016.001

System Time Discovery

1
T1124

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Defacement

1
T1491

Tasks