Overview

overview

10

Static

static

3

2308c316e3...a9.exe

windows7-x64

10

2308c316e3...a9.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    2308c316e3567e559662ddb17c1639ef790641693d3f570fa040d09746f5eba9

  • Size

    1.9MB

  • Sample

    241130-yac8yaxjbr

  • MD5

    8fdbd9a0a9390964373271dd09b991ba

  • SHA1

    78a4d4c43b894a8227b25be8f61f7aa6b8315ab7

  • SHA256

    2308c316e3567e559662ddb17c1639ef790641693d3f570fa040d09746f5eba9

  • SHA512

    76a6e750adc8c888bea717bdbb74dad5fe10c1688e1e87a9cb9dfb7caf4e4c5cdd9b9f34ef5aa7577f92bf1349797b04a5edac64c772489cd316d5e71ea9291c

  • SSDEEP

    49152:IBJeP7Q9KggbDv7jsn3JzB6lR6jA+knZY5U:yQPihgvs3JzB6lR6jA+k5

Score
10/10
dcratdiscoveryinfostealerpersistencerat

Malware Config

Targets

    • Target

      2308c316e3567e559662ddb17c1639ef790641693d3f570fa040d09746f5eba9

    • Size

      1.9MB

    • MD5

      8fdbd9a0a9390964373271dd09b991ba

    • SHA1

      78a4d4c43b894a8227b25be8f61f7aa6b8315ab7

    • SHA256

      2308c316e3567e559662ddb17c1639ef790641693d3f570fa040d09746f5eba9

    • SHA512

      76a6e750adc8c888bea717bdbb74dad5fe10c1688e1e87a9cb9dfb7caf4e4c5cdd9b9f34ef5aa7577f92bf1349797b04a5edac64c772489cd316d5e71ea9291c

    • SSDEEP

      49152:IBJeP7Q9KggbDv7jsn3JzB6lR6jA+knZY5U:yQPihgvs3JzB6lR6jA+k5

    Score
    10/10
    dcratdiscoveryinfostealerpersistencerat

    • 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.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • 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

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

Discovery

Query Registry

2
T1012

Remote System Discovery

1
T1018

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

1
T1016

Internet Connection Discovery

1
T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks