Overview

overview

10

Static

static

3

e864306092...7a.exe

windows7-x64

10

e864306092...7a.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    e864306092df6d14c7214c505630f0df5faaa0f622331eec1dc9d3841de2847a

  • Size

    1.8MB

  • Sample

    241127-xk4cfasjfl

  • MD5

    382eaedc34bfc15b7e749fb8a0cff600

  • SHA1

    d8729997725a187120ee95e1d6068586a13ab678

  • SHA256

    e864306092df6d14c7214c505630f0df5faaa0f622331eec1dc9d3841de2847a

  • SHA512

    f2be10566728f10a1396abf3115a01d98a5b06d18b94e84ecb6fbb012f1ad3ad588be84f09ceafa55bc9fd65a7e6763c68ca67596141c750ae54a2bebfc5c16b

  • SSDEEP

    24576:nfNh6iTrBgSq+kdkpupwocpF4jGdWWfWanontd7ksYKtAwqgKchGGqGLk6kIv/D5:f3/kGAwaCYO4ngs7wg8UkcX

Score
10/10
dcratdiscoveryexecutioninfostealerpersistenceratspywarestealer

Malware Config

Targets

    • Target

      e864306092df6d14c7214c505630f0df5faaa0f622331eec1dc9d3841de2847a

    • Size

      1.8MB

    • MD5

      382eaedc34bfc15b7e749fb8a0cff600

    • SHA1

      d8729997725a187120ee95e1d6068586a13ab678

    • SHA256

      e864306092df6d14c7214c505630f0df5faaa0f622331eec1dc9d3841de2847a

    • SHA512

      f2be10566728f10a1396abf3115a01d98a5b06d18b94e84ecb6fbb012f1ad3ad588be84f09ceafa55bc9fd65a7e6763c68ca67596141c750ae54a2bebfc5c16b

    • SSDEEP

      24576:nfNh6iTrBgSq+kdkpupwocpF4jGdWWfWanontd7ksYKtAwqgKchGGqGLk6kIv/D5:f3/kGAwaCYO4ngs7wg8UkcX

    Score
    10/10
    dcratdiscoveryexecutioninfostealerpersistenceratspywarestealer

    • DcRat

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

      ratinfostealerdcrat

    • Dcrat family

      dcrat

    • Modifies WinLogon for persistence

      persistence

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • 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

    • 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

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

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

Query Registry

2
T1012

Remote System Discovery

1
T1018

System Information Discovery

2
T1082

System Network Configuration Discovery

1
T1016

Internet Connection Discovery

1
T1016.001

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Tasks