General

  • Target

    Remittance Advice.doc

  • Size

    31KB

  • Sample

    230322-trdtkshh95

  • MD5

    f8787a0e6b80b20bb6da5bf6def1b828

  • SHA1

    2df604286909d6842c8506333db9ffc75b97753b

  • SHA256

    21c1b0740fb8e13a15ad3c2f26b37e0093d9acd4d426bd3661d99a4996077f4a

  • SHA512

    c8d3f9d09a03ee2cf92fb38d398280e29018262aef3da4af41440773826d43ffbda9bc52e8e0ab4ff5187c07f9f522ad2fda06551eba693c04cad2d0a464dc3c

  • SSDEEP

    768:kFx0XaIsnPRIa4fwJMtNqnNYUFlH3sL9gJnPqZxzZLK/PS:kf0Xvx3EMt8u0dcbleq

Malware Config

Extracted

Family

azorult

C2

http://171.22.30.164/standright/index.php

Targets

    • Target

      Remittance Advice.doc

    • Size

      31KB

    • MD5

      f8787a0e6b80b20bb6da5bf6def1b828

    • SHA1

      2df604286909d6842c8506333db9ffc75b97753b

    • SHA256

      21c1b0740fb8e13a15ad3c2f26b37e0093d9acd4d426bd3661d99a4996077f4a

    • SHA512

      c8d3f9d09a03ee2cf92fb38d398280e29018262aef3da4af41440773826d43ffbda9bc52e8e0ab4ff5187c07f9f522ad2fda06551eba693c04cad2d0a464dc3c

    • SSDEEP

      768:kFx0XaIsnPRIa4fwJMtNqnNYUFlH3sL9gJnPqZxzZLK/PS:kf0Xvx3EMt8u0dcbleq

    • Azorult

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

    • Blocklisted process makes network request

    • 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 Microsoft Outlook profiles

    • 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

Execution

Exploitation for Client Execution

1
T1203

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

5
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

5
T1005

Email Collection

1
T1114

Tasks