Overview

overview

10

Static

static

10

063f0ebe16...9f.exe

windows7-x64

10

063f0ebe16...9f.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    063f0ebe162695ca595299a607634b1a4678527542053d73a85106d0de5f329f.exe

  • Size

    952KB

  • Sample

    250125-v9c6fatldv

  • MD5

    7146d0c354a5ffc4f39db58415c14022

  • SHA1

    2aa91a6ae46fd1fb956e6c8efda7251025b6a90e

  • SHA256

    063f0ebe162695ca595299a607634b1a4678527542053d73a85106d0de5f329f

  • SHA512

    b1b799f42e04443097b7f94ee4273377fcad228cfde8e1a0ffbc2e28427a8ebd4e804be0bdafc3e40122dee2a19ac2f4baccd054dbe90b5609b1c945f2719fcf

  • SSDEEP

    24576:u+O7F9smBDJwWmIezBLwsHuWbxR4AK5ZJXXL:p8/KfRTKZ

Score
10/10
dcratdefense_evasioninfostealerpersistencerattrojan

Malware Config

Targets

    • Target

      063f0ebe162695ca595299a607634b1a4678527542053d73a85106d0de5f329f.exe

    • Size

      952KB

    • MD5

      7146d0c354a5ffc4f39db58415c14022

    • SHA1

      2aa91a6ae46fd1fb956e6c8efda7251025b6a90e

    • SHA256

      063f0ebe162695ca595299a607634b1a4678527542053d73a85106d0de5f329f

    • SHA512

      b1b799f42e04443097b7f94ee4273377fcad228cfde8e1a0ffbc2e28427a8ebd4e804be0bdafc3e40122dee2a19ac2f4baccd054dbe90b5609b1c945f2719fcf

    • SSDEEP

      24576:u+O7F9smBDJwWmIezBLwsHuWbxR4AK5ZJXXL:p8/KfRTKZ

    Score
    10/10
    dcratdefense_evasioninfostealerpersistencerattrojan

    • 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

    • 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

      defense_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

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

4
T1112

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks