Overview

overview

10

Static

static

3

afe966f7d7...1N.exe

windows7-x64

10

afe966f7d7...1N.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    afe966f7d7d027792cc718eba58d9ee3e7b2929e9cb3eed8902537d8c375e081N

  • Size

    1.9MB

  • Sample

    241103-qv3ekavjgy

  • MD5

    38c14805a17436bc0118dfaa6547eec0

  • SHA1

    77ee261fd0d14577058bd1114bfd4a34aa0990e6

  • SHA256

    afe966f7d7d027792cc718eba58d9ee3e7b2929e9cb3eed8902537d8c375e081

  • SHA512

    bfec5fa0c4d45ebcc26bf18f3ccf0ea9b6bc6de62ce1ddfc012ef69f42c2bf45d90a3dc5f6537e62e6d0e30247eb0c2b5495249b01d0b158b6a73dd29e657754

  • SSDEEP

    24576:W7/weHc1lJq2tB/pw97SSwEWJSwDFrs7+6pa7gv6a9MrYetY5Q62xo2CPV84uMY1:qqpji7SxFgz7XM7metv6s2N8W

Score
10/10
dcratdiscoveryexecutioninfostealerpersistenceratspywarestealer

Malware Config

Targets

    • Target

      afe966f7d7d027792cc718eba58d9ee3e7b2929e9cb3eed8902537d8c375e081N

    • Size

      1.9MB

    • MD5

      38c14805a17436bc0118dfaa6547eec0

    • SHA1

      77ee261fd0d14577058bd1114bfd4a34aa0990e6

    • SHA256

      afe966f7d7d027792cc718eba58d9ee3e7b2929e9cb3eed8902537d8c375e081

    • SHA512

      bfec5fa0c4d45ebcc26bf18f3ccf0ea9b6bc6de62ce1ddfc012ef69f42c2bf45d90a3dc5f6537e62e6d0e30247eb0c2b5495249b01d0b158b6a73dd29e657754

    • SSDEEP

      24576:W7/weHc1lJq2tB/pw97SSwEWJSwDFrs7+6pa7gv6a9MrYetY5Q62xo2CPV84uMY1:qqpji7SxFgz7XM7metv6s2N8W

    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

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