Overview

overview

10

Static

static

1

URLScan

urlscan

1

https://pcapi-server...

windows7-x64

10

https://pcapi-server...

windows10-2004-x64

10

https://pcapi-server...

windows11-21h2-x64

10

Sharing

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General

  • Target

    https://pcapi-server.com/download/ytr4564g.exe

  • Sample

    240704-qjmjzazbnc

Score
10/10
exelastealermonsterdefense_evasionevasionpersistenceprivilege_escalationspywarestealer

Malware Config

Targets

    • Target

      https://pcapi-server.com/download/ytr4564g.exe

    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.

    • Downloads MZ/PE file

    • 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
    behavioral1behavioral2behavioral3

MITRE ATT&CK Matrix ATT&CK v13

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

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

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

System Information Discovery

4
T1082

Process Discovery

1
T1057

Query Registry

2
T1012

Lateral Movement

Collection

Data from Local System

2
T1005

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Resource Development

Reconnaissance

Tasks