Overview

overview

10

Static

static

10

ad372edd69...16.exe

windows7-x64

10

ad372edd69...16.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    ad372edd698062a90f4744da16f88cc5bb45ca9b1cb70fc7350673d293f2bc16

  • Size

    825KB

  • Sample

    241030-d1bskstrey

  • MD5

    ce09db6adeeca051ff01abd8cf2e400d

  • SHA1

    14e60e202c180152757a89d13d9989ec35e1f5a2

  • SHA256

    ad372edd698062a90f4744da16f88cc5bb45ca9b1cb70fc7350673d293f2bc16

  • SHA512

    e80449cde93d19790e64c1fe24af1aeb00a3c392b4d57a529205a2339bbaa675b6ee21d2d068d65ef21c37d23d2f1b8b458706068ffe850410dc290c4d5c0ce3

  • SSDEEP

    12288:jVTnKIxG7yLfHB7cymJJMA+bpW3Ari4VVyZC0+1cw2jINofMVbZZ6:jVTney9cyQJMA+b3iE0nHA6

Score
10/10
dcratinfostealerpersistenceratspywarestealer

Malware Config

Targets

    • Target

      ad372edd698062a90f4744da16f88cc5bb45ca9b1cb70fc7350673d293f2bc16

    • Size

      825KB

    • MD5

      ce09db6adeeca051ff01abd8cf2e400d

    • SHA1

      14e60e202c180152757a89d13d9989ec35e1f5a2

    • SHA256

      ad372edd698062a90f4744da16f88cc5bb45ca9b1cb70fc7350673d293f2bc16

    • SHA512

      e80449cde93d19790e64c1fe24af1aeb00a3c392b4d57a529205a2339bbaa675b6ee21d2d068d65ef21c37d23d2f1b8b458706068ffe850410dc290c4d5c0ce3

    • SSDEEP

      12288:jVTnKIxG7yLfHB7cymJJMA+bpW3Ari4VVyZC0+1cw2jINofMVbZZ6:jVTney9cyQJMA+b3iE0nHA6

    Score
    10/10
    dcratinfostealerpersistenceratspywarestealer

    • 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.

    • DCRat payload

      rat

    • 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

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

System Information Discovery

2
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Tasks