Overview

overview

10

Static

static

3

ReinHoodCr...ck.exe

windows7-x64

10

ReinHoodCr...ck.exe

windows10-2004-x64

10

ReinHoodCr...SON.js

windows7-x64

3

ReinHoodCr...SON.js

windows10-2004-x64

3

ReinHoodCr...te.ps1

windows7-x64

6

ReinHoodCr...te.ps1

windows10-2004-x64

6

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General

  • Target

    ReinHoodCrackinfected.7z

  • Size

    5.8MB

  • Sample

    250114-2jnmtasjex

  • 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/ReinHoodCrack.exe

    • Size

      1.9MB

    • MD5

      d729318f3c05173ec630df123a15550f

    • SHA1

      f1da12a6d6906ed1244f4270990fdd80de695787

    • SHA256

      7cc84a0d97ee454b7c281e0a48b2150741420582d65c7f7358942acab3af4b8e

    • SHA512

      ccdebad0ab7a30f138f65a84caac179d65491c6a1668985793f75e5a642831e74f370d56e67d6596d92923af98ee79a125e2cfe5f903840b0b4e0b205aefe9ca

    • SSDEEP

      49152:mBf/tCg1Ef8V927r9PhOSeAj/570mJyOW167/7:4QguG92v9JdRamAk/7

    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

    • 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.

    • Drops file in System32 directory

    behavioral1behavioral2

    • Target

      ReinHoodCrack/assets/JSON.lua

    • Size

      61KB

    • MD5

      bf15a0bb121f1c1fb46e84dc6e31ec94

    • SHA1

      2d9c33a2f1a1db2288f9a90ab49dcc43485f3279

    • SHA256

      4d3b22c99c1f64a756ff06ee2457c87ed2dc32a893f63e04ad79bd3b848d6868

    • SHA512

      843a3a2a664b8eaec090ff21ae5211f9a1fecca0d18ba615f815176048338f396d8a31e58383b25ab2b7b732997960fbfcc8441de032130dc06a19154c0a1cc3

    • SSDEEP

      768:QnlynhTUL97d/4Y2XP2ICaFKKylWG5jCAir2TWL35E3Rh2xGvAOvJI3JQyOPeH/0:QliK1d/Uf2TMKbWG5CU25ZzJ/QB

    Score
    3/10
    execution
    behavioral3behavioral4

    • Target

      ReinHoodCrack/assets/data/update.ps1

    • Size

      3.7MB

    • MD5

      15be934c8a9f5e35b1b13239b67a268f

    • SHA1

      03ccda98d2b3c7e0842ee514e3222cc2d520ac2a

    • SHA256

      c8f13dc87fb5154d14ea5e8459c52f46d80c5ec567d14a22a570bea9c207f316

    • SHA512

      19c9351ab115a26e82fb9d396a866af231503896e90cc6cb85504667f25aa38591424d5af76ae9148d3a8a4a29100f83c98922542ef5d07278044a99bfe5cf0c

    • SSDEEP

      49152:D1zSatcFIFgVhq1jZmFEcUyLxXHrqFpZDEXhOed6/6SjNMhOE69s:DTs

    Score
    6/10
    execution

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

      execution
    behavioral5behavioral6

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

3
T1059

JavaScript

1
T1059.007

PowerShell

2
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

4
T1112

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

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

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Tasks