Overview

overview

10

Static

static

5

e33a92f9d6...3f.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    e33a92f9d6d2764a3e2b6131b2fb8adf034d6fa5d7a3e3efae42eac45800593f
  • Size 2.7MB
  • Sample260827-mx762stbqg
  • SHA256 e33a92f9d6d2764a3e2b6131b2fb8adf034d6fa5d7a3e3efae42eac45800593f
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
xmrigcollectiondefense_evasiondiscoveryexecutionminerpersistenceprivilege_escalationspywarestealer

Malware Config

Targets

    • Target
      e33a92f9d6d2764a3e2b6131b2fb8adf034d6fa5d7a3e3efae42eac45800593f
    • Size 2.7MB
    • SHA256 e33a92f9d6d2764a3e2b6131b2fb8adf034d6fa5d7a3e3efae42eac45800593f
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    collectiondefense_evasiondiscoveryexecutionxmrigminerpersistenceprivilege_escalationspywarestealer

    • Family: xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

      minerxmrig

    • Modifies WinLogon for persistence

      persistence

    • XMRig Miner payload

      miner

    • Command and Scripting Interpreter: PowerShell

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

      execution

    • Downloads MZ/PE file

    • Modifies Windows Firewall

      defense_evasion

    • Checks computer location settings

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

    • Creates new service(s)

      persistenceexecution

    • Cryptocurrency Miner

      Makes network request to known mining pool URL.

      miner

    • Executes dropped EXE

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

      spywarestealer

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Accesses Microsoft Outlook profiles

      collection

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • Looks up external IP address via web service

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

      discovery

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1

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

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

System Services

1
T1569

Service Execution

1
T1569.002

Persistence

Boot or Logon Autostart Execution

1
T1547

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

2
T1543

Windows Service

2
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

Boot or Logon Autostart Execution

1
T1547

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

2
T1543

Windows Service

2
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

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Modify Registry

1
T1112

Credential Access

Credentials from Password Stores

1
T1555

Credentials from Web Browsers

1
T1555.003

Unsecured Credentials

2
T1552

Credentials In Files

1
T1552.001

Credentials in Registry

1
T1552.002

Discovery

Query Registry

4
T1012

System Information Discovery

3
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

2
T1016

Internet Connection Discovery

1
T1016.001

Wi-Fi Discovery

1
T1016.002

Lateral Movement

Collection

Data from Local System

2
T1005

Email Collection

1
T1114

Command and Control

Exfiltration

Impact

Tasks