Overview

overview

10

Static

static

10

da479ac368...fb.exe

windows7-x64

10

da479ac368...fb.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    da479ac3683eb1b6cc8cee9967b33d7a299fb551b9a8a1ddd5182469de37b2fb.exe

  • Size

    3.0MB

  • Sample

    250327-ny8pmstkz7

  • MD5

    4bc701fc5e13c1287646e5d1f79760d4

  • SHA1

    6bc6e4c44012084ec5af5ebdfd09314e598464e1

  • SHA256

    da479ac3683eb1b6cc8cee9967b33d7a299fb551b9a8a1ddd5182469de37b2fb

  • SHA512

    fd3bf97de8840b16ae72295082e6aff5f0833de8791d39dc6a347cab771af1b88cfcc56c307c663112d2207cf2a0059a0882b053aa8fa0b67a1f3a3a183ee503

  • SSDEEP

    49152:S/3iuoi0xrLIy5sx+3K0n+B87/2bHJC3H0oJK7rohky64a65KKRD:ASuMxAxKp+SDqHJq+zy86A

Score
10/10
dcratdefense_evasiondiscoveryexecutioninfostealerpersistenceratspywarestealertrojan

Malware Config

Targets

    • Target

      da479ac3683eb1b6cc8cee9967b33d7a299fb551b9a8a1ddd5182469de37b2fb.exe

    • Size

      3.0MB

    • MD5

      4bc701fc5e13c1287646e5d1f79760d4

    • SHA1

      6bc6e4c44012084ec5af5ebdfd09314e598464e1

    • SHA256

      da479ac3683eb1b6cc8cee9967b33d7a299fb551b9a8a1ddd5182469de37b2fb

    • SHA512

      fd3bf97de8840b16ae72295082e6aff5f0833de8791d39dc6a347cab771af1b88cfcc56c307c663112d2207cf2a0059a0882b053aa8fa0b67a1f3a3a183ee503

    • SSDEEP

      49152:S/3iuoi0xrLIy5sx+3K0n+B87/2bHJC3H0oJK7rohky64a65KKRD:ASuMxAxKp+SDqHJq+zy86A

    Score
    10/10
    dcratdefense_evasiondiscoveryexecutioninfostealerpersistenceratspywarestealertrojan

    • 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.

    • UAC bypass

      defense_evasiontrojan

    • 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

    • 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

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • Checks whether UAC is enabled

      defense_evasiontrojan
    behavioral1behavioral2

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

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

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

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

Modify Registry

5
T1112

Credential Access

Credentials from Password Stores

1
T1555

Credentials from Web Browsers

1
T1555.003

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Discovery

Browser Information Discovery

1
T1217

Query Registry

5
T1012

System Information Discovery

5
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Data from Local System

2
T1005

Command and Control

Exfiltration

Impact

Tasks