General

  • Target

    62231fa0b731bd0aac1c55bd8ed15898.exe

  • Size

    242KB

  • Sample

    200710-mbeh8c7r5a

  • MD5

    62231fa0b731bd0aac1c55bd8ed15898

  • SHA1

    d3dd155f601bb80e417b9b0a6cf294215107af46

  • SHA256

    b699a2766f106ff77377780bad431b72ef1748bf989e09f2b82fb73cf30cbde3

  • SHA512

    6539e010a88784c5c6c605038b2edb38c06d060543140e08c405025fd4c825f281e78993309a82dabb26148d5ad5eaf5eb0ea87f9fe95a520cd59d9c508c683c

Malware Config

Extracted

Family

azorult

C2

http://195.245.112.115/index.php

Extracted

Family

oski

C2

raymond.ug

Targets

    • Target

      62231fa0b731bd0aac1c55bd8ed15898.exe

    • Size

      242KB

    • MD5

      62231fa0b731bd0aac1c55bd8ed15898

    • SHA1

      d3dd155f601bb80e417b9b0a6cf294215107af46

    • SHA256

      b699a2766f106ff77377780bad431b72ef1748bf989e09f2b82fb73cf30cbde3

    • SHA512

      6539e010a88784c5c6c605038b2edb38c06d060543140e08c405025fd4c825f281e78993309a82dabb26148d5ad5eaf5eb0ea87f9fe95a520cd59d9c508c683c

    • Azorult

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

    • Contains code to disable Windows Defender

      A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

    • Modifies Windows Defender Real-time Protection settings

    • Oski

      Oski is an infostealer targeting browser data, crypto wallets.

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Deletes itself

    • 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.

    • Windows security modification

    • 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.

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks