Overview

overview

10

Static

static

3

dc83dbd12c...0d.exe

windows7-x64

10

dc83dbd12c...0d.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    dc83dbd12c5a432a6c168982e55d6c7be89dd0bc4b915e3e93e3a97c8af0ab0d.exe

  • Size

    2.2MB

  • Sample

    241217-frk11a1pfy

  • MD5

    b5a1474fcb8f7b9809d52546bd304af3

  • SHA1

    8604fe586fa0d03adaa6608169a62c65c837de7d

  • SHA256

    dc83dbd12c5a432a6c168982e55d6c7be89dd0bc4b915e3e93e3a97c8af0ab0d

  • SHA512

    39931300c863c521957dd5d842c0c6e0d66d2b43663136375e21feb26181bd1c9d4494025e0e7a00b80b51405d1e67bfe825787e60c1b99998463b4e3a49a7ee

  • SSDEEP

    49152:IBJVhKLUy2ich2Y+jCRZCH77sVccM50sF/CwsuVoM:y3hKPFch2YHgbucc00OdoM

Score
10/10
dcratdiscoveryexecutioninfostealerratspywarestealer

Malware Config

Targets

    • Target

      dc83dbd12c5a432a6c168982e55d6c7be89dd0bc4b915e3e93e3a97c8af0ab0d.exe

    • Size

      2.2MB

    • MD5

      b5a1474fcb8f7b9809d52546bd304af3

    • SHA1

      8604fe586fa0d03adaa6608169a62c65c837de7d

    • SHA256

      dc83dbd12c5a432a6c168982e55d6c7be89dd0bc4b915e3e93e3a97c8af0ab0d

    • SHA512

      39931300c863c521957dd5d842c0c6e0d66d2b43663136375e21feb26181bd1c9d4494025e0e7a00b80b51405d1e67bfe825787e60c1b99998463b4e3a49a7ee

    • SSDEEP

      49152:IBJVhKLUy2ich2Y+jCRZCH77sVccM50sF/CwsuVoM:y3hKPFch2YHgbucc00OdoM

    Score
    10/10
    dcratdiscoveryexecutioninfostealerratspywarestealer

    • DcRat

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

      ratinfostealerdcrat

    • Dcrat family

      dcrat

    • 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

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

      spywarestealer
    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

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

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 Location Discovery

1
T1614

System Language Discovery

1
T1614.001

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