General

  • Target

    8720377pdf.exe

  • Size

    336KB

  • Sample

    220811-q2ypysabb4

  • MD5

    2f221b0ffda0cb289a7b364254bb4c42

  • SHA1

    831c0a60c96f356f49d5319b9968c64720bedf19

  • SHA256

    e0bf87c8ef8c048b6245ada3bf252c6de8ee83c8b2bcd293929eb83ea21073ba

  • SHA512

    e8773e888190cc11ed032e06cfa8e19fa2ff0b326a7789df716f24034644bfea3b9b3c5a67510c2b6dbe2c2559e29c2f6f21f83572ddb178cfb5842657e3f063

Malware Config

Targets

    • Target

      8720377pdf.exe

    • Size

      336KB

    • MD5

      2f221b0ffda0cb289a7b364254bb4c42

    • SHA1

      831c0a60c96f356f49d5319b9968c64720bedf19

    • SHA256

      e0bf87c8ef8c048b6245ada3bf252c6de8ee83c8b2bcd293929eb83ea21073ba

    • SHA512

      e8773e888190cc11ed032e06cfa8e19fa2ff0b326a7789df716f24034644bfea3b9b3c5a67510c2b6dbe2c2559e29c2f6f21f83572ddb178cfb5842657e3f063

    • Azorult

      An information stealer that was first discovered in 2016, targeting browsing history and passwords.

    • Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

    • Checks QEMU agent file

      Checks presence of QEMU agent, possibly to detect virtualization.

    • Checks computer location settings

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

    • Loads dropped DLL

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads local data of messenger clients

      Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

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

    • Accesses Microsoft Outlook profiles

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks