Overview

overview

10

Static

static

10

external.exe

windows10-2004-x64

9

external.exe

windows11-ltsc_2024-x64

8

Sharing

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General

  • Target
    external.zip
  • Size 86.6MB
  • Sample261024-218djssw7k
  • SHA256 ea27217e97d5f57437a6b933143077e5c5f42636494cab07d60b7f5fab2f3963
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
pysilondefense_evasiondiscoveryexecutionpersistenceratspywarestealerupx

Malware Config

Targets

    • Target
      external.exe
    • Size 86.9MB
    • SHA256 ce825060a7734a67f703caf359137f9fad4c406843abf84f5850c23ce64b586f
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    9/10
    defense_evasiondiscoveryexecutionpersistencespywarestealerupx

    • Enumerates VirtualBox DLL files

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

      execution

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

      defense_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

    • Adds Run key to start application

      persistence

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • Looks up external IP address via web service

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

      discovery

    • 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

2
T1059

PowerShell

1
T1059.001

Windows Command Shell

1
T1059.003

Windows Management Instrumentation

1
T1047

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Modify Registry

1
T1112

Virtualization/Sandbox Evasion

1
T1497

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

File and Directory Discovery

1
T1083

System Information Discovery

2
T1082

System Network Configuration Discovery

2
T1016

Internet Connection Discovery

1
T1016.001

Virtualization/Sandbox Evasion

1
T1497

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Exfiltration

Impact

Tasks