General

  • Target

    https://cdn.discordapp.com/attachments/1096943623599312947/1120870643668373535/CraxsRat_4.0.1.zip

  • Sample

    230621-ampkqseh24

Malware Config

Extracted

Language
ps1
Source
URLs
ps1.dropper

https://rentry.org/nipkv/raw

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.zoho.com
  • Port:
    587
  • Username:
    nexusbuscasg@zohomail.com
  • Password:
    Nescau71#

Targets

    • Target

      https://cdn.discordapp.com/attachments/1096943623599312947/1120870643668373535/CraxsRat_4.0.1.zip

    • HawkEye

      HawkEye is a malware kit that has seen continuous development since at least 2013.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Nirsoft

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Stops running service(s)

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies system executable filetype association

    • Registers COM server for autorun

    • Uses the VBS compiler for execution

    • Accesses Microsoft Outlook accounts

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scripting

1
T1064

Persistence

Modify Existing Service

1
T1031

Change Default File Association

1
T1042

Registry Run Keys / Startup Folder

2
T1060

Defense Evasion

Impair Defenses

1
T1562

Modify Registry

2
T1112

Scripting

1
T1064

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Collection

Email Collection

1
T1114

Command and Control

Web Service

1
T1102

Impact

Service Stop

1
T1489

Tasks