General

  • Target

    3c8693f5041bb1b773ecbf07351976ada959186f5c4e7c341a11dc8c181f3304

  • Size

    527KB

  • Sample

    220703-hzwtkshhhq

  • MD5

    c2b27de81c50ed99cb916a0485254bbd

  • SHA1

    fb32e5af21e671af182251e88d664e73a0afa491

  • SHA256

    3c8693f5041bb1b773ecbf07351976ada959186f5c4e7c341a11dc8c181f3304

  • SHA512

    d9fe576691ca5c5af94e5b0d488e07ca19a84a482ebe206fea6d3f3c6646b44857bbbbc3bada3958e123698558c28d7b27ea7a4ad8540334773b365fe7a7a536

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    tlogs.log@yandex.com
  • Password:
    trust147

Targets

    • Target

      (PDF) PO&Invoice For your Confirmation..........pdf.exe

    • Size

      950KB

    • MD5

      04d9a0e3c67732c01698af3902d2c3c6

    • SHA1

      dc1d397df18195cd06fdc3b174b2258410cbe162

    • SHA256

      b369be9337627cace4709477e4969c462ce26f7b9b73ab9c47d29a5efa0f9602

    • SHA512

      28d1a3a65e24439b3dd33b2c2265d88d8ec0732fffd201dd1c9b73d5e6384cd463c3b38dc5e64562e498ddeaa125e58b6caefff54064d48bc3f0cf2a37954ada

    • 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.

    • Loads dropped DLL

    • 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

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Email Collection

1
T1114

Tasks