Overview

overview

10

Static

static

3

edac9d8c37...fN.exe

windows7-x64

10

edac9d8c37...fN.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    edac9d8c37b7e6387f5010e5f05b78d992d9ca760e60be7f9acf0594a6a9136fN

  • Size

    1.9MB

  • Sample

    241028-1rmvtawlbx

  • MD5

    ce7aef90a7a2c2271c916b740c246c40

  • SHA1

    b4faf977f23622a96e7d4a2dfe3376a535519bed

  • SHA256

    edac9d8c37b7e6387f5010e5f05b78d992d9ca760e60be7f9acf0594a6a9136f

  • SHA512

    b8c8a9064ef02d93d8733714eec133435a7ae3020be7471bfbabaed7e9b923365984c28681bc1327bab91a1ebd38f20fa012bb0ad72f1ce17670364d9bf3c50c

  • SSDEEP

    49152:qQp1aBq+vH/oA0gLemSxZ6VF4h9CONtRfZ7l0U:qsn+vg/web6Vih9CwpZ7K

Score
10/10
dcratexecutioninfostealerpersistenceratspywarestealer

Malware Config

Targets

    • Target

      edac9d8c37b7e6387f5010e5f05b78d992d9ca760e60be7f9acf0594a6a9136fN

    • Size

      1.9MB

    • MD5

      ce7aef90a7a2c2271c916b740c246c40

    • SHA1

      b4faf977f23622a96e7d4a2dfe3376a535519bed

    • SHA256

      edac9d8c37b7e6387f5010e5f05b78d992d9ca760e60be7f9acf0594a6a9136f

    • SHA512

      b8c8a9064ef02d93d8733714eec133435a7ae3020be7471bfbabaed7e9b923365984c28681bc1327bab91a1ebd38f20fa012bb0ad72f1ce17670364d9bf3c50c

    • SSDEEP

      49152:qQp1aBq+vH/oA0gLemSxZ6VF4h9CONtRfZ7l0U:qsn+vg/web6Vih9CwpZ7K

    Score
    10/10
    dcratexecutioninfostealerpersistenceratspywarestealer

    • 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.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

      execution

    • Checks computer location settings

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

    • Executes dropped EXE

    • 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

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

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

2
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

2
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Tasks