Overview

overview

10

Static

static

3

ReinHoodCr...ed).7z

windows10-2004-x64

10

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General

  • Target

    ReinHoodCrack (infected).7z

  • Size

    5.8MB

  • Sample

    250114-2c8z6s1res

  • MD5

    1b6acac3279585874a678894db3f976e

  • SHA1

    2818bdaef6d725a123b551fc538ae7d5e962f289

  • SHA256

    664f2edf9843880338b78f5b1919df48f0b8363883d691381adb724ca3324e6b

  • SHA512

    24d31fc9453d8190480620e45c8dfc300144a6ac9ec30d7b715eeea5d7352d638aea7230c0cb83669f19ff1cd069d87dcf01504ab16510cda2012b19a68cfa88

  • SSDEEP

    98304:i8U4zA0Uddow7nyR3zjXkPbZI+IF89QTUQpJu3vh5ik+sc+QYz/ECCvOqiP14uDV:i8T/ULTyxXkPb2r89wLpcpckNQYeNe1V

Score
10/10
dcratdiscoveryevasionexecutioninfostealerpersistenceratspywarestealer

Malware Config

Targets

    • Target

      ReinHoodCrack (infected).7z

    • Size

      5.8MB

    • MD5

      1b6acac3279585874a678894db3f976e

    • SHA1

      2818bdaef6d725a123b551fc538ae7d5e962f289

    • SHA256

      664f2edf9843880338b78f5b1919df48f0b8363883d691381adb724ca3324e6b

    • SHA512

      24d31fc9453d8190480620e45c8dfc300144a6ac9ec30d7b715eeea5d7352d638aea7230c0cb83669f19ff1cd069d87dcf01504ab16510cda2012b19a68cfa88

    • SSDEEP

      98304:i8U4zA0Uddow7nyR3zjXkPbZI+IF89QTUQpJu3vh5ik+sc+QYz/ECCvOqiP14uDV:i8T/ULTyxXkPb2r89wLpcpckNQYeNe1V

    Score
    10/10
    dcratdiscoveryevasionexecutioninfostealerpersistenceratspywarestealer

    • 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.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

      execution

    • Disables Task Manager via registry modification

      evasion

    • 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

    • Looks up external IP address via web service

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

    • Drops file in System32 directory

    behavioral1

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

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

3
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

Browser Information Discovery

1
T1217

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