General

  • Target

    PurchaseOrderPDF.exe

  • Size

    1.1MB

  • Sample

    210115-5ds7zsh4xx

  • MD5

    b933c40c685f6e9b87a0479508505009

  • SHA1

    69528e4e987519270641290adfae26de6d82ee6a

  • SHA256

    01f0be86c9a929829a2f058eaa960affb717abe3ac34c4707f6b0a2eddfa20a6

  • SHA512

    9c272de46884840bd9453dd930e80fa9b4fb976f814d5862a01ca005e6ba6cb82ed12e12ba32df7d107996108a108411954a0ecbd5a8b75d4f04d39195558752

Malware Config

Extracted

Family

azorult

C2

http://al-ifah.com/PL341/index.php

Targets

    • Target

      PurchaseOrderPDF.exe

    • Size

      1.1MB

    • MD5

      b933c40c685f6e9b87a0479508505009

    • SHA1

      69528e4e987519270641290adfae26de6d82ee6a

    • SHA256

      01f0be86c9a929829a2f058eaa960affb717abe3ac34c4707f6b0a2eddfa20a6

    • SHA512

      9c272de46884840bd9453dd930e80fa9b4fb976f814d5862a01ca005e6ba6cb82ed12e12ba32df7d107996108a108411954a0ecbd5a8b75d4f04d39195558752

    • Azorult

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

    • Looks for VirtualBox Guest Additions in registry

    • Looks for VMWare Tools registry key

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • 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.

    • 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.

    • JavaScript code in executable

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Credential Access

Credentials in Files

4
T1081

Discovery

Query Registry

6
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

4
T1005

Tasks