Overview

overview

10

Static

static

10

71f56f5e75...b7.exe

windows7-x64

10

71f56f5e75...b7.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    71f56f5e75963138d685df0663d07c63aece8753580f45c6e6682ee02dbb38b7.exe

  • Size

    3.3MB

  • Sample

    250116-xkghnstpht

  • MD5

    51314ed425784c593487c9f42e5e967d

  • SHA1

    4d9380fa7096f723d1262a95a945b75767dc24da

  • SHA256

    71f56f5e75963138d685df0663d07c63aece8753580f45c6e6682ee02dbb38b7

  • SHA512

    c6657db440033c8185977a0e4118cb006b24733ebc05feb41788cbe0762f1c3ce00b0bd34bcc57b4fa6dac67584a4b47c7a679e21a59116b88accfe28bf7978a

  • SSDEEP

    49152:QwM0NUvaeipsEJpDidQ1fZVGsLaCE7tdTQDhqiZcqtN2Qys:QeNUVEHedQ1f7xadtdTOh+qP

Score
10/10
dcratevasioninfostealerpersistenceratspywarestealertrojan

Malware Config

Targets

    • Target

      71f56f5e75963138d685df0663d07c63aece8753580f45c6e6682ee02dbb38b7.exe

    • Size

      3.3MB

    • MD5

      51314ed425784c593487c9f42e5e967d

    • SHA1

      4d9380fa7096f723d1262a95a945b75767dc24da

    • SHA256

      71f56f5e75963138d685df0663d07c63aece8753580f45c6e6682ee02dbb38b7

    • SHA512

      c6657db440033c8185977a0e4118cb006b24733ebc05feb41788cbe0762f1c3ce00b0bd34bcc57b4fa6dac67584a4b47c7a679e21a59116b88accfe28bf7978a

    • SSDEEP

      49152:QwM0NUvaeipsEJpDidQ1fZVGsLaCE7tdTQDhqiZcqtN2Qys:QeNUVEHedQ1f7xadtdTOh+qP

    Score
    10/10
    dcratevasioninfostealerpersistenceratspywarestealertrojan

    • 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.

    • UAC bypass

      evasiontrojan

    • DCRat payload

      Detects payload of DCRat, commonly dropped by NSIS installers.

      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

    • Checks whether UAC is enabled

      evasiontrojan
    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

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

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

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

Modify Registry

4
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

3
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Tasks