General

  • Target

    36c0ac7b79dd1700a88cc348d627f258df9e514357a351e364329212957a3590

  • Size

    540KB

  • Sample

    220626-bzkyraead3

  • MD5

    29b3add23888c957509af304892c8dea

  • SHA1

    7743f69dbecdbdfb70fb9c0f09a560cfafaaf4fa

  • SHA256

    36c0ac7b79dd1700a88cc348d627f258df9e514357a351e364329212957a3590

  • SHA512

    4487a946e14c6facb0b95475507a68b532ec6830dcd8bd9e95b625c2b8ef297826505c8af43bfaad18ab6daac4729bf8d36e1eb26c54960676ee10a8e6756993

Malware Config

Targets

    • Target

      36c0ac7b79dd1700a88cc348d627f258df9e514357a351e364329212957a3590

    • Size

      540KB

    • MD5

      29b3add23888c957509af304892c8dea

    • SHA1

      7743f69dbecdbdfb70fb9c0f09a560cfafaaf4fa

    • SHA256

      36c0ac7b79dd1700a88cc348d627f258df9e514357a351e364329212957a3590

    • SHA512

      4487a946e14c6facb0b95475507a68b532ec6830dcd8bd9e95b625c2b8ef297826505c8af43bfaad18ab6daac4729bf8d36e1eb26c54960676ee10a8e6756993

    • HawkEye

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

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Nirsoft

    • Executes dropped EXE

    • Checks computer location settings

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

    • Deletes itself

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Uses the VBS compiler for execution

    • Accesses Microsoft Outlook accounts

    • Adds Run key to start application

    • 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

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Scripting

1
T1064

Modify Registry

1
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Tasks