Overview

overview

10

Static

static

3

buildjudit.exe

windows7-x64

10

buildjudit.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    buildjudit.exe
  • Size 10.7MB
  • Sample240712-sg4ftayerk
  • SHA256 bf8ce6bb537881386facfe6c1f9003812b985cbc4b9e9addd39e102449868d92
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
exelastealermonsterdefense_evasionevasionpersistenceprivilege_escalationspywarestealer

Malware Config

Targets

    • Target
      buildjudit.exe
    • Size 10.7MB
    • SHA256 bf8ce6bb537881386facfe6c1f9003812b985cbc4b9e9addd39e102449868d92
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    monsterstealerexelastealerdefense_evasionevasionpersistenceprivilege_escalationspyware

    • Detects Monster Stealer.

    • Exela Stealer

      Exela Stealer is an open source stealer originally written in .NET and later transitioned to Python that was first observed in August 2023.

      stealerexelastealer

    • Monster

      Monster is a Golang stealer that was discovered in 2024.

      stealermonster

    • Grants admin privileges

      Uses net.exe to modify the user's privileges.

    • Modifies Windows Firewall

      evasion

    • 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

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Hide Artifacts: Hidden Files and Directories

      defense_evasion
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

Persistence

Account Manipulation

1
T1098

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Privilege Escalation

Account Manipulation

1
T1098

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Defense Evasion

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Process Discovery

1
T1057

System Information Discovery

3
T1082

Lateral Movement

Collection

Data from Local System

2
T1005

Command and Control

Web Service

1
T1102

Exfiltration

Impact

Tasks