General

  • Target

    FBRO ORDER SHEET - YATSAL SUMMER 2021.exe

  • Size

    247KB

  • Sample

    210427-k53pcjdahj

  • MD5

    766c4170ac23eac0c9123e2b8a67bfb9

  • SHA1

    6b6a45bf7a911bbc8552fd80bcc1cc05f30fae3d

  • SHA256

    db127ccf5ea69c0bc3888efe5ae2a532c5f5590a2f589f049139fcf63f5e8062

  • SHA512

    e1a301e227474b4e217b203d9a95c5e07370ca37c461b8aedf579d6dd665b4d88f158d53282371492fe22810422cf6fbc59fca33b4ad42812b7e68a5d539a152

Malware Config

Extracted

Family

oski

C2

45.144.225.118

Extracted

Family

azorult

C2

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

Targets

    • Target

      FBRO ORDER SHEET - YATSAL SUMMER 2021.exe

    • Size

      247KB

    • MD5

      766c4170ac23eac0c9123e2b8a67bfb9

    • SHA1

      6b6a45bf7a911bbc8552fd80bcc1cc05f30fae3d

    • SHA256

      db127ccf5ea69c0bc3888efe5ae2a532c5f5590a2f589f049139fcf63f5e8062

    • SHA512

      e1a301e227474b4e217b203d9a95c5e07370ca37c461b8aedf579d6dd665b4d88f158d53282371492fe22810422cf6fbc59fca33b4ad42812b7e68a5d539a152

    • 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