General

  • Target

    Form.Studio.2009.key.generator.exe

  • Size

    7.8MB

  • Sample

    210727-738f9pb32x

  • MD5

    97ba5ef12fb23c151d4c7d40b4a470f8

  • SHA1

    6e8790b6fd485ce66b4d308eb703b8e5e66e8677

  • SHA256

    c720af16ea629a7cef53e82c4f739a36f31103f549c5c4fbf367d58bb876a83f

  • SHA512

    b39677238fac1e0b24c4c7265572fc5becf016dd6090391bc4a318629efb23089cfcff317107dbc34e00aecdd9b88d6ab0de6bb73db48d2678b422a53133adfc

Malware Config

Extracted

Family

azorult

C2

http://kvaka.li/1210776429.php

Targets

    • Target

      Form.Studio.2009.key.generator.exe

    • Size

      7.8MB

    • MD5

      97ba5ef12fb23c151d4c7d40b4a470f8

    • SHA1

      6e8790b6fd485ce66b4d308eb703b8e5e66e8677

    • SHA256

      c720af16ea629a7cef53e82c4f739a36f31103f549c5c4fbf367d58bb876a83f

    • SHA512

      b39677238fac1e0b24c4c7265572fc5becf016dd6090391bc4a318629efb23089cfcff317107dbc34e00aecdd9b88d6ab0de6bb73db48d2678b422a53133adfc

    • Azorult

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

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine Payload

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • suricata: ET MALWARE Win32/AZORult V3.3 Client Checkin M3

    • Executes dropped EXE

    • VMProtect packed file

      Detects executables packed with VMProtect commercial packer.

    • Loads dropped DLL

    • 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

    • Adds Run key to start application

    • Checks installed software on the system

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

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

3
T1112

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

2
T1005

Command and Control

Web Service

1
T1102

Tasks