General

  • Target

    Marking Machine 30W Specification.exe

  • Size

    245KB

  • Sample

    210422-7regakvw8s

  • MD5

    fd0ca3dbcc6fe2faf4771539a92bc0ee

  • SHA1

    388ac2363090404640dd944f7bea9abd0df0259b

  • SHA256

    83212aec99743518cae606bc7f0f574ac997935c190d81a2804532f02754bd29

  • SHA512

    b6857802174b7469368fcf1034f324f35dc5ef3fa65ef729106fb1900e848de584c9ba967ca9d6c46d59e2f737f31f92f3bb526966f0d97557b629eb834581ac

Malware Config

Extracted

Family

oski

C2

45.144.225.118

Extracted

Family

azorult

C2

http://lexusbiscuit.com/OiuBn/index.php

Targets

    • Target

      Marking Machine 30W Specification.exe

    • Size

      245KB

    • MD5

      fd0ca3dbcc6fe2faf4771539a92bc0ee

    • SHA1

      388ac2363090404640dd944f7bea9abd0df0259b

    • SHA256

      83212aec99743518cae606bc7f0f574ac997935c190d81a2804532f02754bd29

    • SHA512

      b6857802174b7469368fcf1034f324f35dc5ef3fa65ef729106fb1900e848de584c9ba967ca9d6c46d59e2f737f31f92f3bb526966f0d97557b629eb834581ac

    • Azorult

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

    • Oski

      Oski is an infostealer targeting browser data, crypto wallets.

    • Downloads MZ/PE file

    • Executes dropped EXE

    • 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 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 SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks