Resubmissions

29-09-2021 14:29

210929-rtl7mafcdk 10

29-09-2021 14:25

210929-rre1jafbc3 10

29-09-2021 14:21

210929-rn53jsfbb8 10

General

  • Target

    a28f2e84d613b1c2b632352880d530fe

  • Size

    169KB

  • Sample

    210929-rn53jsfbb8

  • MD5

    a28f2e84d613b1c2b632352880d530fe

  • SHA1

    6c036e2f942b68b7903cc9c00d185306661d9a43

  • SHA256

    500b733cbc1ac73598983140ae1b27cb21d06b4e55b5f6d325e5c56b87d8a82f

  • SHA512

    421f68ea65192dc8a9ba0be64f47b308b8785a641e9d775590b3d764071e13a0b149f7052e785e44d3e44c6396a16fcc725f759adb94b6ffafc117fba0000ae6

Malware Config

Extracted

Family

azorult

C2

http://37.0.8.36/oxxs/index.php

Targets

    • Target

      a28f2e84d613b1c2b632352880d530fe

    • Size

      169KB

    • MD5

      a28f2e84d613b1c2b632352880d530fe

    • SHA1

      6c036e2f942b68b7903cc9c00d185306661d9a43

    • SHA256

      500b733cbc1ac73598983140ae1b27cb21d06b4e55b5f6d325e5c56b87d8a82f

    • SHA512

      421f68ea65192dc8a9ba0be64f47b308b8785a641e9d775590b3d764071e13a0b149f7052e785e44d3e44c6396a16fcc725f759adb94b6ffafc117fba0000ae6

    • Azorult

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

    • Registers COM server for autorun

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • 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.

    • 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.

    • Drops file in System32 directory

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Credential Access

Credentials in Files

5
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Collection

Data from Local System

5
T1005

Tasks