Overview

overview

10

Static

static

3

5446f78732...fb.exe

windows7-x64

10

5446f78732...fb.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    5446f78732cacbc23fbb1ec9fe92e1bfeb23e8b62607a6e252ecf6a976db02fb.exe

  • Size

    1.8MB

  • Sample

    241209-cr23qsxrct

  • MD5

    8c6166bfe177a90e76cea637c0314647

  • SHA1

    50cc236eddfdb6a1395475cd02756aa6a6a47ccc

  • SHA256

    5446f78732cacbc23fbb1ec9fe92e1bfeb23e8b62607a6e252ecf6a976db02fb

  • SHA512

    e9e149df32570a8ee7ce8167ff19746362642b562bb11898117367bf4516626958612ecb04b7a13705306d6ef370dc4642066f0c8a39f99783060dbbdfbd91cc

  • SSDEEP

    24576:GjlZB5j1w/GT8jQDv6fDEjvVbCOMn08Fv6vnzpzcTRHU+ZLZej32x2FQ4paPHzIc:St5jdxDy7EjvVbWXsvwZlCt6MaP

Score
10/10
dcratdiscoveryinfostealerpersistenceratspywarestealer

Malware Config

Targets

    • Target

      5446f78732cacbc23fbb1ec9fe92e1bfeb23e8b62607a6e252ecf6a976db02fb.exe

    • Size

      1.8MB

    • MD5

      8c6166bfe177a90e76cea637c0314647

    • SHA1

      50cc236eddfdb6a1395475cd02756aa6a6a47ccc

    • SHA256

      5446f78732cacbc23fbb1ec9fe92e1bfeb23e8b62607a6e252ecf6a976db02fb

    • SHA512

      e9e149df32570a8ee7ce8167ff19746362642b562bb11898117367bf4516626958612ecb04b7a13705306d6ef370dc4642066f0c8a39f99783060dbbdfbd91cc

    • SSDEEP

      24576:GjlZB5j1w/GT8jQDv6fDEjvVbCOMn08Fv6vnzpzcTRHU+ZLZej32x2FQ4paPHzIc:St5jdxDy7EjvVbWXsvwZlCt6MaP

    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.

    • 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

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