Overview

overview

10

Static

static

3

build1555.exe

windows7-x64

10

build1555.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    build1555.exe.zip

  • Size

    10.7MB

  • Sample

    241028-xw9ctsvfpc

  • MD5

    903c029668f018b79fe048c6ee8d2446

  • SHA1

    2f8c11d4384ab74a2fc6ec693daffff8a53a8397

  • SHA256

    cb9a8828528e46fb86fb7b548d464deceef1abaf9373e51c401f52838c91e9ea

  • SHA512

    043090dbd3753495fb6f5097ba98eec6507bd2b981e749f6967e4a887eb211e4463b331cb0e29cefddde9fcaf41deac0f4510c7c9a114b42c459454771d47717

  • SSDEEP

    196608:cYtSeOywpkZpPx8P3DKF0UDkDQCf5lDFBhApb7vME5CGGm/f/isoRvrljk7WeriR:vaywSN8PDtck9DFBheME5CNyo5lbR

Score
10/10
exelastealermonstercollectiondefense_evasiondiscoveryevasionpersistenceprivilege_escalationspywarestealer

Malware Config

Targets

    • Target

      build1555.exe.bin

    • Size

      10.7MB

    • MD5

      6b1eb54b0153066ddbe5595a58e40536

    • SHA1

      adf81c3104e5d62853fa82c2bd9b0a5becb4589a

    • SHA256

      d39627a497bf5f7e89642ef14bb0134193bc12ad18a2eadddf305c4f8d69b0b8

    • SHA512

      104faaa4085c9173274d4e0e468eaf75fb22c4cfe38226e4594e6aa0a1dcb148bde7e5e0756b664f14b680872d2476340ebd69fac883d8e99b20acfb5f5dbf04

    • SSDEEP

      196608:ys+j9q6y7PuZANM3FEAIVqUkzgPyzKM+1t02mY1q6vgC5xU7BlUdinrDRQF6f1:yNBly7PumMtgqUTKt2mYtvggGBa4nr1h

    Score
    10/10
    monsterstealerexelastealercollectiondefense_evasiondiscoveryevasionpersistenceprivilege_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

    • Exelastealer family

      exelastealer

    • Monster

      Monster is a Golang stealer that was discovered in 2024.

      stealermonster

    • Monster family

      monster

    • Grants admin privileges

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

    • Modifies Windows Firewall

      evasion

    • Clipboard Data

      Adversaries may collect data stored in the clipboard from users copying information within or between applications.

      collection

    • 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.

    • Network Service Discovery

      Attempt to gather information on host's network.

      discovery

    • Enumerates processes with tasklist

      discovery

    • 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

Credentials from Password Stores

1
T1555

Credentials from Web Browsers

1
T1555.003

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Browser Information Discovery

1
T1217

Network Service Discovery

1
T1046

Permission Groups Discovery

1
T1069

Local Groups

1
T1069.001

Process Discovery

1
T1057

System Information Discovery

3
T1082

System Network Configuration Discovery

1
T1016

Wi-Fi Discovery

1
T1016.002

System Network Connections Discovery

1
T1049

Lateral Movement

Collection

Clipboard Data

1
T1115

Data from Local System

2
T1005

Command and Control

Web Service

1
T1102

Exfiltration

Impact

Tasks