Overview

overview

10

Static

static

10

0E6FCBF276...B5.exe

windows7-x64

10

0E6FCBF276...B5.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    0E6FCBF27626DC3D74A97E2B52D48477C0158BE665AB5.exe

  • Size

    1.6MB

  • Sample

    230325-a7g2dscd4y

  • MD5

    7bfd0053396bf14fa1e493a3e41e2103

  • SHA1

    a0d2eeb505d51a8769acbeded7289903ecf32798

  • SHA256

    0e6fcbf27626dc3d74a97e2b52d48477c0158be665ab581fb7a13fce60d3cfc4

  • SHA512

    3508248a3ee768aee01cc3e41d94f6e42fa968d04841341e1a1aac103e08b4fe622ef0d82fb1153ed0a9c3c5fdde6833262aaad83655a5854357827123106823

  • SSDEEP

    24576:J2G/nvxW3WpkELhAaXGv4ltHvzzr0QQPMCyKIHcMJK5FtHjfNKBGFO:JbA33EeQ7QPdojKPLKBG0

Score
10/10
dcratevasioninfostealerpersistenceratspywarestealer

Malware Config

Targets

    • Target

      0E6FCBF27626DC3D74A97E2B52D48477C0158BE665AB5.exe

    • Size

      1.6MB

    • MD5

      7bfd0053396bf14fa1e493a3e41e2103

    • SHA1

      a0d2eeb505d51a8769acbeded7289903ecf32798

    • SHA256

      0e6fcbf27626dc3d74a97e2b52d48477c0158be665ab581fb7a13fce60d3cfc4

    • SHA512

      3508248a3ee768aee01cc3e41d94f6e42fa968d04841341e1a1aac103e08b4fe622ef0d82fb1153ed0a9c3c5fdde6833262aaad83655a5854357827123106823

    • SSDEEP

      24576:J2G/nvxW3WpkELhAaXGv4ltHvzzr0QQPMCyKIHcMJK5FtHjfNKBGFO:JbA33EeQ7QPdojKPLKBG0

    Score
    10/10
    dcratevasioninfostealerpersistenceratspywarestealer

    • DcRat

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

      ratinfostealerdcrat

    • 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

      Detects payload of DCRat, commonly dropped by NSIS installers.

      rat

    • Disables Task Manager via registry modification

      evasion

    • 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

    • Adds Run key to start application

      persistence

    • Looks up external IP address via web service

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

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Winlogon Helper DLL

1
T1004

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

4
T1112

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Tasks