Overview

overview

10

Static

static

3

352bb05902...e9.exe

windows7-x64

10

352bb05902...e9.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    352bb05902750f30bd3bc84600d65cad64eeae01c8e794ddb45a0d8453f691e9.exe

  • Size

    426KB

  • Sample

    241110-cpr5razpcp

  • MD5

    2d94c0a9c700f4a1552a1e2fe2cd33e2

  • SHA1

    7dfe6f390ea59bc8d53431cd3a4756c109e201ee

  • SHA256

    352bb05902750f30bd3bc84600d65cad64eeae01c8e794ddb45a0d8453f691e9

  • SHA512

    4add372efa87a762a63c528699b84ce3f0ad4f4f4966fb58a721d92a9d5e1f2acc49e8e406c89a25ba1698cb1ceb0714e9b63109ba3a26b24ee696096ce855f4

  • SSDEEP

    12288:mDLfHXFL+Kfcos8Us9s4R1d4j7nwlmyAgn/fT:mtyUAQnR+7wlmy7/7

Score
10/10
dcratdiscoveryinfostealerpersistenceratspywarestealer

Malware Config

Targets

    • Target

      352bb05902750f30bd3bc84600d65cad64eeae01c8e794ddb45a0d8453f691e9.exe

    • Size

      426KB

    • MD5

      2d94c0a9c700f4a1552a1e2fe2cd33e2

    • SHA1

      7dfe6f390ea59bc8d53431cd3a4756c109e201ee

    • SHA256

      352bb05902750f30bd3bc84600d65cad64eeae01c8e794ddb45a0d8453f691e9

    • SHA512

      4add372efa87a762a63c528699b84ce3f0ad4f4f4966fb58a721d92a9d5e1f2acc49e8e406c89a25ba1698cb1ceb0714e9b63109ba3a26b24ee696096ce855f4

    • SSDEEP

      12288:mDLfHXFL+Kfcos8Us9s4R1d4j7nwlmyAgn/fT:mtyUAQnR+7wlmy7/7

    Score
    10/10
    dcratdiscoveryinfostealerpersistenceratspywarestealer

    • 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.

    • DCRat payload

      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

    • Drops file in System32 directory

    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

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

2
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 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