Overview

overview

10

Static

static

3

Crypt TestBuild.exe

windows7-x64

10

Crypt TestBuild.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    Crypt TestBuild.exe

  • Size

    12.0MB

  • Sample

    240801-1vrceayajq

  • MD5

    f28ff69b9ad4f9db633ddecf241c8e49

  • SHA1

    2040b4cc2a330b18730edaebfead2056237374ac

  • SHA256

    c52b4812edf1000b01f84e165f171ae91a3b45af59d3ecf10b7df0b1a7949e97

  • SHA512

    c611ea1a3c382a9cd4bec0ad144a6bcd2d0ba1654530ead226a95ae106ad17731c4ac55577207ab44c163058939a4658c1ad2bfd377f97fe867b6a8cb4bee21d

  • SSDEEP

    196608:Jrqk1jQkWwuLUhJb3tQk5tZurErvI9pWj+sgX3ZdahF0wB1AajZYEHk9QtQTmWVg:NqWNhh7v5tZurEUWj/gXe7bxES63a

Score
10/10
exelastealercollectioncredential_accessdefense_evasiondiscoveryevasionpersistenceprivilege_escalationpyinstallerspywarestealerupx

Malware Config

Targets

    • Target

      Crypt TestBuild.exe

    • Size

      12.0MB

    • MD5

      f28ff69b9ad4f9db633ddecf241c8e49

    • SHA1

      2040b4cc2a330b18730edaebfead2056237374ac

    • SHA256

      c52b4812edf1000b01f84e165f171ae91a3b45af59d3ecf10b7df0b1a7949e97

    • SHA512

      c611ea1a3c382a9cd4bec0ad144a6bcd2d0ba1654530ead226a95ae106ad17731c4ac55577207ab44c163058939a4658c1ad2bfd377f97fe867b6a8cb4bee21d

    • SSDEEP

      196608:Jrqk1jQkWwuLUhJb3tQk5tZurErvI9pWj+sgX3ZdahF0wB1AajZYEHk9QtQTmWVg:NqWNhh7v5tZurEUWj/gXe7bxES63a

    Score
    10/10
    discoveryevasionpersistencepyinstallerupxexelastealercollectioncredential_accessdefense_evasionprivilege_escalationspywarestealer

    • 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

    • Modifies visiblity of hidden/system files in Explorer

      evasion

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

      credential_accessstealer

    • Grants admin privileges

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

    • Modifies Windows Firewall

      evasion

    • Checks computer location settings

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

    • 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

    • UPX packed file

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

      upx

    • Adds Run key to start application

      persistence

    • 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

    • Drops file in System32 directory

    • 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

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Account Manipulation

1
T1098

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Account Manipulation

1
T1098

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Hide Artifacts

3
T1564

Hidden Files and Directories

3
T1564.001

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

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

Browser Information Discovery

1
T1217

Network Service Discovery

1
T1046

Permission Groups Discovery

1
T1069

Local Groups

1
T1069.001

Process Discovery

1
T1057

Query Registry

1
T1012

System Information Discovery

5
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

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

Exfiltration

Impact

Tasks