Overview

overview

10

Static

static

3

854d267aea...c9.exe

windows7-x64

10

854d267aea...c9.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    854d267aea33e8dc80021ac043b003ab7c6f99061e56e36572cba3548e6882c9.exe

  • Size

    1.8MB

  • Sample

    240624-blzvrasekg

  • MD5

    289f27e7a02f8e76ebf39d2c0c3f09e4

  • SHA1

    fb404a7a85d5fb617436f73832e4716556756d6a

  • SHA256

    854d267aea33e8dc80021ac043b003ab7c6f99061e56e36572cba3548e6882c9

  • SHA512

    38798cc71da6dfd8022dff2be635db8b938ba8d8dc5db8196802af2d9deb26dda145e0e581a6b8eb7022a1e0c33ff34c666cc4817f9f2ac50d1f362f434a75fe

  • SSDEEP

    24576:KuDXTIGaPhEYzUzA0Dz46fMR/6Y/M3pPux8KVzVvu9JDcEL0NLpgjdyWhPOePTnK:9Djlabwz9PHMf/M3BuxbzuDQyBPXam0H

Score
10/10
dcratlummaexecutioninfostealerpersistenceratspywarestealer

Malware Config

Extracted

Family

lumma

C2

https://backcreammykiel.shop/api

https://publicitycharetew.shop/api

https://computerexcudesp.shop/api

https://leafcalfconflcitw.shop/api

https://injurypiggyoewirog.shop/api

https://bargainnygroandjwk.shop/api

https://disappointcredisotw.shop/api

https://doughtdrillyksow.shop/api

https://facilitycoursedw.shop/api

Targets

    • Target

      854d267aea33e8dc80021ac043b003ab7c6f99061e56e36572cba3548e6882c9.exe

    • Size

      1.8MB

    • MD5

      289f27e7a02f8e76ebf39d2c0c3f09e4

    • SHA1

      fb404a7a85d5fb617436f73832e4716556756d6a

    • SHA256

      854d267aea33e8dc80021ac043b003ab7c6f99061e56e36572cba3548e6882c9

    • SHA512

      38798cc71da6dfd8022dff2be635db8b938ba8d8dc5db8196802af2d9deb26dda145e0e581a6b8eb7022a1e0c33ff34c666cc4817f9f2ac50d1f362f434a75fe

    • SSDEEP

      24576:KuDXTIGaPhEYzUzA0Dz46fMR/6Y/M3pPux8KVzVvu9JDcEL0NLpgjdyWhPOePTnK:9Djlabwz9PHMf/M3BuxbzuDQyBPXam0H

    Score
    10/10
    dcratexecutioninfostealerpersistenceratspywarestealerlumma

    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

      ratinfostealerdcrat

    • Lumma Stealer

      An infostealer written in C++ first seen in August 2022.

      stealerlumma

    • Modifies WinLogon for persistence

      persistence

    • DCRat payload

      Detects payload of DCRat, commonly dropped by NSIS installers.

      rat

    • Command and Scripting Interpreter: PowerShell

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

      execution

    • Checks computer location settings

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

    • 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

    • Looks up external IP address via web service

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

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Persistence

Boot or Logon Autostart Execution

1
T1547

Winlogon Helper DLL

1
T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Winlogon Helper DLL

1
T1547.004

Defense Evasion

Modify Registry

2
T1112

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks