General

  • Target

    Invoice.exe

  • Size

    427KB

  • Sample

    201109-pvejszqpv2

  • MD5

    8838322af612fcaba473a4975508260f

  • SHA1

    493534304f0427e21767ffcc49f7b129bf9aaf5f

  • SHA256

    b8785cf36b5e0484421c850c1bca6018b3e1885b6383db7fa3381ef095c5343b

  • SHA512

    59d9849006f7fea3f932a3290683bd3a06f20560618b311419057d7c564f096cb5de91cf88545b04e325d881129069e88d80699c4a047ebc5f2a9d7363ef2a6a

Malware Config

Extracted

Family

azorult

C2

http://82.223.120.84/index.php

Targets

    • Target

      Invoice.exe

    • Size

      427KB

    • MD5

      8838322af612fcaba473a4975508260f

    • SHA1

      493534304f0427e21767ffcc49f7b129bf9aaf5f

    • SHA256

      b8785cf36b5e0484421c850c1bca6018b3e1885b6383db7fa3381ef095c5343b

    • SHA512

      59d9849006f7fea3f932a3290683bd3a06f20560618b311419057d7c564f096cb5de91cf88545b04e325d881129069e88d80699c4a047ebc5f2a9d7363ef2a6a

    • Azorult

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

    • Loads dropped DLL

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • 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.

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • JavaScript code in executable

    • Modifies service

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Modify Existing Service

1
T1031

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

1
T1082

Collection

Data from Local System

3
T1005

Tasks