General

  • Target

    Draft order_ ALL leather_2021.bin

  • Size

    252KB

  • Sample

    210420-vkgbhtl8pa

  • MD5

    e077c1cb50ddb78e2f63c6333bae0f5f

  • SHA1

    bef124ae7c30f5e74d90621aec50f5a8ca7b9373

  • SHA256

    27ff2cb47a58b0ffefe09492b90c2adb8b35f83e9dc19ea9ce94ab0b265d75a7

  • SHA512

    8002f91c212d847ee0efc781b8191bc8a562dc0388d75f597df14b85e13fd93d74703adb645d0db4feb5204023df45ad73c72a3b05cbbda6040399cbaa6c0cdd

Malware Config

Extracted

Family

oski

C2

45.144.225.118

Extracted

Family

azorult

C2

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

Targets

    • Target

      Draft order_ ALL leather_2021.bin

    • Size

      252KB

    • MD5

      e077c1cb50ddb78e2f63c6333bae0f5f

    • SHA1

      bef124ae7c30f5e74d90621aec50f5a8ca7b9373

    • SHA256

      27ff2cb47a58b0ffefe09492b90c2adb8b35f83e9dc19ea9ce94ab0b265d75a7

    • SHA512

      8002f91c212d847ee0efc781b8191bc8a562dc0388d75f597df14b85e13fd93d74703adb645d0db4feb5204023df45ad73c72a3b05cbbda6040399cbaa6c0cdd

    • 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 Matrix ATT&CK v6

Credential Access

Credentials in Files

5
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

5
T1005

Tasks