General

  • Target

    623e29da3cbccc57d44ece7495fe9f34

  • Size

    1MB

  • Sample

    201117-zz4k5acfbe

  • MD5

    171f9d8bd82b36169284374c9c70e54d

  • SHA1

    546857bae93bb2734f9ec859661d118e03a408bc

  • SHA256

    c70ca05804ee008cee5701160eb0753d913164ef4bb85aac6ba5cd08c88ba41d

  • SHA512

    12d18abfaa4eaa65b0313252c6c97d20b1886e553d8a03d1d00c067d6872abaef73f5710c4ce62043c03f80f4c57a01427e18901a9e47257ead30816f349a14c

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.casalsmd.com
  • Port:
    587
  • Username:
    carolina@casalsmd.com
  • Password:
    Carolina123

Targets

    • Target

      623e29da3cbccc57d44ece7495fe9f34

    • Size

      1MB

    • MD5

      171f9d8bd82b36169284374c9c70e54d

    • SHA1

      546857bae93bb2734f9ec859661d118e03a408bc

    • SHA256

      c70ca05804ee008cee5701160eb0753d913164ef4bb85aac6ba5cd08c88ba41d

    • SHA512

      12d18abfaa4eaa65b0313252c6c97d20b1886e553d8a03d1d00c067d6872abaef73f5710c4ce62043c03f80f4c57a01427e18901a9e47257ead30816f349a14c

    • HawkEye

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

    • Executes dropped EXE

    • UPX packed file

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

    • 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

    • 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

Collection

Data from Local System

1
T1005

Tasks