Overview

overview

10

Static

static

10

2oK.exe

windows7-x64

10

2oK.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    2oK.exe
  • Size 783KB
  • Sample240108-cc9h9saff7
  • SHA256 2774262a54ea6008d5b508f4d95eb811bd5d7dc50e1c0659d016ab33d966e729
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
dcratevasioninfostealerpersistencerattrojan

Malware Config

Targets

    • Target
      2oK.exe
    • Size 783KB
    • SHA256 2774262a54ea6008d5b508f4d95eb811bd5d7dc50e1c0659d016ab33d966e729
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    dcratevasioninfostealerpersistencerattrojan

    • DcRat

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

      ratinfostealerdcrat

    • 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

    • 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

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

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

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

4
T1112

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks