Overview

overview

10

Static

static

7df2568c50...1c.exe

windows7-x64

10

7df2568c50...1c.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    7df2568c5082542afa6a357b95d9bb22ee7501498b6f97c8bafff26600c8b61c

  • Size

    3.5MB

  • Sample

    230129-1c2enafa2x

  • MD5

    6a31b356444d196e1b484bfac18eaf6e

  • SHA1

    fedb55b24c134a0055f70f26c9964b1219780428

  • SHA256

    7df2568c5082542afa6a357b95d9bb22ee7501498b6f97c8bafff26600c8b61c

  • SHA512

    5e8aa46c3afe3f2f35ad3f5ab0bc20afa7a752f30f35f4330e70c8226150659215820f73c3167f03366e87f8bd7daa67a9cff834f3768cf9d701a0f9dd53d34e

  • SSDEEP

    98304:Db+bYAfeoIgy8J98XN18VBRUYDk3ptKSW8:DqEAfK2ENyPI3bKV8

Score
10/10
dcratevasioninfostealerpersistencerattrojan

Malware Config

Targets

    • Target

      7df2568c5082542afa6a357b95d9bb22ee7501498b6f97c8bafff26600c8b61c

    • Size

      3.5MB

    • MD5

      6a31b356444d196e1b484bfac18eaf6e

    • SHA1

      fedb55b24c134a0055f70f26c9964b1219780428

    • SHA256

      7df2568c5082542afa6a357b95d9bb22ee7501498b6f97c8bafff26600c8b61c

    • SHA512

      5e8aa46c3afe3f2f35ad3f5ab0bc20afa7a752f30f35f4330e70c8226150659215820f73c3167f03366e87f8bd7daa67a9cff834f3768cf9d701a0f9dd53d34e

    • SSDEEP

      98304:Db+bYAfeoIgy8J98XN18VBRUYDk3ptKSW8:DqEAfK2ENyPI3bKV8

    Score
    10/10
    dcratevasioninfostealerpersistencerattrojan

    • Contains code to disable Windows Defender

      A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

      ratinfostealerdcrat

    • Modifies Windows Defender Real-time Protection settings

      evasiontrojan

    • DCRat payload

      Detects payload of DCRat, commonly dropped by NSIS installers.

      rat

    • Executes dropped EXE

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Checks for any installed AV software in registry

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Hidden Files and Directories

1
T1158

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

2
T1112

Disabling Security Tools

1
T1089

Hidden Files and Directories

1
T1158

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Security Software Discovery

1
T1063

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks