Overview

overview

10

Static

static

10

6ac524fe6c...1N.exe

windows7-x64

10

6ac524fe6c...1N.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    6ac524fe6c26a64e6d05410faed8a85e6b59d30be07c41a9ec05d7ea03acac81N.exe

  • Size

    783KB

  • Sample

    250115-3l87za1nfk

  • MD5

    68a6f449fc698f0c11fd6903c53a81e0

  • SHA1

    6289583e40388b16fd4bf56040e3f1f7e02a2f38

  • SHA256

    6ac524fe6c26a64e6d05410faed8a85e6b59d30be07c41a9ec05d7ea03acac81

  • SHA512

    4339a056da6d70cbe9dbe96232c1f264bdc5542e94e9f37a286391e9725aa40a1c75ec2c2787dc94e7012845324aed5facc14585e3c25238c46d3faba0db66cb

  • SSDEEP

    12288:GqnOYxdAgpoNeF91rg5iFdr0yQ9gYx+EIpakCYJRU7Q9bWoFzqK:G+OQbpbgsFdAyQvzSqaq8q

Score
10/10
dcratevasioninfostealerpersistencerattrojan

Malware Config

Targets

    • Target

      6ac524fe6c26a64e6d05410faed8a85e6b59d30be07c41a9ec05d7ea03acac81N.exe

    • Size

      783KB

    • MD5

      68a6f449fc698f0c11fd6903c53a81e0

    • SHA1

      6289583e40388b16fd4bf56040e3f1f7e02a2f38

    • SHA256

      6ac524fe6c26a64e6d05410faed8a85e6b59d30be07c41a9ec05d7ea03acac81

    • SHA512

      4339a056da6d70cbe9dbe96232c1f264bdc5542e94e9f37a286391e9725aa40a1c75ec2c2787dc94e7012845324aed5facc14585e3c25238c46d3faba0db66cb

    • SSDEEP

      12288:GqnOYxdAgpoNeF91rg5iFdr0yQ9gYx+EIpakCYJRU7Q9bWoFzqK:G+OQbpbgsFdAyQvzSqaq8q

    Score
    10/10
    dcratevasioninfostealerpersistencerattrojan

    • DcRat

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

      ratinfostealerdcrat

    • Dcrat family

      dcrat

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • UAC bypass

      evasiontrojan

    • DCRat payload

      Detects payload of DCRat, commonly dropped by NSIS installers.

      rat

    • Checks computer location settings

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

    • Executes dropped EXE

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      evasiontrojan

    • 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

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

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

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

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

3
T1112

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks