Overview

overview

10

Static

static

3

cheker.exe

windows10-1703-x64

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General

  • Target

    cheker.exe

  • Size

    16.0MB

  • Sample

    240701-mnhvsszdpn

  • MD5

    4073368212b724b12a562b0dbf74e2d0

  • SHA1

    8dca0faf07d074922992f723c3ff101628c26a8a

  • SHA256

    7d5f078d2720427aefe6c66d7ce90a63331634f49d94a37ed5225acf2876155b

  • SHA512

    c7e90e489c960271e6fafac6f838b231eaa7884b5e6d1b93e10e55fd075c988c78b2f8d4d8649a6aeab5be5341a9665d4ca03302bc8bd796cc30962f7be58afe

  • SSDEEP

    393216:I4wP0hDEpTfheUmFQlZd7MhYRFC+QD3xs6DXwTuKvn:a0hYpTflFZlAYvUXXKn

Score
10/10
dcratevasioninfostealerpersistenceransomwarerat

Malware Config

Targets

    • Target

      cheker.exe

    • Size

      16.0MB

    • MD5

      4073368212b724b12a562b0dbf74e2d0

    • SHA1

      8dca0faf07d074922992f723c3ff101628c26a8a

    • SHA256

      7d5f078d2720427aefe6c66d7ce90a63331634f49d94a37ed5225acf2876155b

    • SHA512

      c7e90e489c960271e6fafac6f838b231eaa7884b5e6d1b93e10e55fd075c988c78b2f8d4d8649a6aeab5be5341a9665d4ca03302bc8bd796cc30962f7be58afe

    • SSDEEP

      393216:I4wP0hDEpTfheUmFQlZd7MhYRFC+QD3xs6DXwTuKvn:a0hYpTflFZlAYvUXXKn

    Score
    10/10
    dcratevasioninfostealerpersistenceransomwarerat

    • DcRat

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

      ratinfostealerdcrat

    • Modifies WinLogon for persistence

      persistence

    • DCRat payload

      Detects payload of DCRat, commonly dropped by NSIS installers.

      rat

    • Disables RegEdit via registry modification

      evasion

    • Disables Task Manager via registry modification

      evasion

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Sets desktop wallpaper using registry

      ransomware
    behavioral1

MITRE ATT&CK Matrix ATT&CK v13

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

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

Modify Registry

4
T1112

Credential Access

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Defacement

1
T1491

Resource Development

Reconnaissance

Tasks