Overview

overview

10

Static

static

10

skeet.cc.exe

windows10-2004-x64

10

skeet.cc.exe

windows10-1703-x64

10

skeet.cc.exe

windows7-x64

10

skeet.cc.exe

windows10-2004-x64

10

skeet.cc.exe

windows11-21h2-x64

10

Sharing

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General

  • Target
    skeet.cc.exe
  • Size 1.6MB
  • Sample240518-ll9easdf42
  • SHA256 dc2a17964084118aad74ee22789ca6a771d00f1028451eea8947eb63365d2b9e
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
dcratexecutioninfostealerpersistenceratspywarestealer

Malware Config

Targets

    • Target
      skeet.cc.exe
    • Size 1.6MB
    • SHA256 dc2a17964084118aad74ee22789ca6a771d00f1028451eea8947eb63365d2b9e
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    dcratexecutioninfostealerpersistenceratspywarestealer

    • 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

    • 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

    • Accesses cryptocurrency files/wallets, possible credential harvesting

      spyware

    • 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.

    behavioral1behavioral2behavioral3behavioral4behavioral5

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

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

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

Defense Evasion

Modify Registry

3
T1112

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Data from Local System

2
T1005

Command and Control

Exfiltration

Impact

Tasks