Overview

overview

10

Static

static

10

gradlew.exe

windows7-x64

10

gradlew.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    gradlew.bat

  • Size

    3.1MB

  • Sample

    240723-sf5bqaygmc

  • MD5

    10484b2845bc5be1e77a4ca03b81996f

  • SHA1

    101a51ec35335cc2eaaa6315309924d5765ce6a5

  • SHA256

    c401439e32ff3789bc0f18182d58a13b661396fff40a86c3ffc290c151349356

  • SHA512

    35974b655d22f4b498f5b306d741ae97be1bb7a3973eee83961b705d5f027b6e2587f37e41ca3d6f4ebb2560553a848f3ace53899c429a81235d29bfab630957

  • SSDEEP

    98304:ub0FSgj8YFrn8RBXsGKZPEy8+4iQEk70j:uenj8YFrn8MPdj5SEkAj

Score
10/10
dcratcredential_accessdiscoveryevasioninfostealerpersistenceratspywarestealertrojan

Malware Config

Targets

    • Target

      gradlew.bat

    • Size

      3.1MB

    • MD5

      10484b2845bc5be1e77a4ca03b81996f

    • SHA1

      101a51ec35335cc2eaaa6315309924d5765ce6a5

    • SHA256

      c401439e32ff3789bc0f18182d58a13b661396fff40a86c3ffc290c151349356

    • SHA512

      35974b655d22f4b498f5b306d741ae97be1bb7a3973eee83961b705d5f027b6e2587f37e41ca3d6f4ebb2560553a848f3ace53899c429a81235d29bfab630957

    • SSDEEP

      98304:ub0FSgj8YFrn8RBXsGKZPEy8+4iQEk70j:uenj8YFrn8MPdj5SEkAj

    Score
    10/10
    dcratcredential_accessdiscoveryevasioninfostealerpersistenceratspywarestealertrojan

    • DcRat

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

      ratinfostealerdcrat

    • 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

      evasiontrojan

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

      credential_accessstealer

    • DCRat payload

      Detects payload of DCRat, commonly dropped by NSIS installers.

      rat

    • Disables Task Manager via registry modification

      evasion

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • 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

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

5
T1112

Credential Access

Credentials from Password Stores

1
T1555

Credentials from Web Browsers

1
T1555.003

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Tasks