General

  • Target

    VirusShare_c521f79249320c77b5b20007f871fbb1

  • Size

    951KB

  • Sample

    240206-z2vsqsgch9

  • MD5

    c521f79249320c77b5b20007f871fbb1

  • SHA1

    8b772e27c77fd4880b79fe8466bff21e21e1aa2a

  • SHA256

    2cd607fb44480b61c90e5107a3131231936c99a7b766dbed4df4c6fed325ae0f

  • SHA512

    f471c23576f61e2066e09c44ae3beab374153fdafebfb6cc03e140942c15d3fa273394848dd3a4ba0bd07c7883b678d0d2dcbc1be1ea5a381882b101e55107bb

  • SSDEEP

    24576:9Sr69b1sIzdkdUDuCppG/HNs2HRT3s4ni4gSUf4:B9b1xdySu84lsMRzVniLw

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    webmail.congtydirect.com
  • Port:
    587
  • Username:
    fst@congtydirect.com
  • Password:
    Fest@@21

Targets

    • Target

      VirusShare_c521f79249320c77b5b20007f871fbb1

    • Size

      951KB

    • MD5

      c521f79249320c77b5b20007f871fbb1

    • SHA1

      8b772e27c77fd4880b79fe8466bff21e21e1aa2a

    • SHA256

      2cd607fb44480b61c90e5107a3131231936c99a7b766dbed4df4c6fed325ae0f

    • SHA512

      f471c23576f61e2066e09c44ae3beab374153fdafebfb6cc03e140942c15d3fa273394848dd3a4ba0bd07c7883b678d0d2dcbc1be1ea5a381882b101e55107bb

    • SSDEEP

      24576:9Sr69b1sIzdkdUDuCppG/HNs2HRT3s4ni4gSUf4:B9b1xdySu84lsMRzVniLw

    • HawkEye

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

    • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

    • Detects executables containing SQL queries to confidential data stores. Observed in infostealers

    • Detects executables referencing many email and collaboration clients. Observed in information stealers

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Nirsoft

    • UPX dump on OEP (original entry point)

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • 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 v13

Execution

Scripting

1
T1064

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Scripting

1
T1064

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

System Information Discovery

2
T1082

Query Registry

1
T1012

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Tasks