General

  • Target

    Attached Invoice_1.rar

  • Size

    3.4MB

  • Sample

    230601-rbwckseh9w

  • MD5

    4a59b494adc3dbd4f1a9af947ad43673

  • SHA1

    0cd099c5c2a0195b466cbefd7a4ede0e0762aa14

  • SHA256

    a2cc926b7b025641b2d587ce686c510f914738dd8074afa406546fcc948854b7

  • SHA512

    7803935476385fb579e7d9d07b27fda64f9bdead20617dc75b37dfe318425b33487d9bd94ea62236a943f0d92157424878a26bd74e992a07f746de95a5f34e47

  • SSDEEP

    49152:DFcsA8TG92vQWje/mmC5+5huiFOMWGh2EbjC1h6K1veKsCeezFc3w4Gq4NW8c7Ad:ZPpjuKQhDZJ2Evo1GKsZeGA4z58f2XU

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.product-secured.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    H?G7iEWK_W0R##

Targets

    • Target

      Invoice.exe

    • Size

      5.8MB

    • MD5

      e0ad1b070ad9c0430f491d07c2708484

    • SHA1

      f36de48706a23f38d7b3fa070d8948dbc9ac3491

    • SHA256

      647816ec76f04594da29576e94eb3febd405dd027379bc558b20babe65b11712

    • SHA512

      d7bea99b6595f75c0a448d93f8a1394d93a23d88933d3d26ba4c141faa69f9d87a18cf0535cb9e0e3016ad9067ade5320fc0171e7bbe84a42989bfd2f6c25ef9

    • SSDEEP

      98304:AuBV+GvjiaLzY5lk+Ar+fbleEfho0b6s0LSvIragO0fMvU/5Lf62LDY:AbGvPE5Ca183

    • 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

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Uses the VBS compiler for execution

    • Accesses Microsoft Outlook accounts

    • 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 Enterprise v6

Tasks