General

  • Target

    Form.Studio.2009.key.generator.exe

  • Size

    6.9MB

  • Sample

    210727-2p8k8v4hej

  • MD5

    72f6de0d3d1998956ae2965b92853cfa

  • SHA1

    74bc17dce3c255c1f0f6237891730ce4796a59a1

  • SHA256

    45fa629e3b758dc50c4bd21a2136c8058a37a3a2a3020ca16e3bfade9f089071

  • SHA512

    bc17ccaa84ec42a0db03907c07797921392b24d5c155c9d41610e5c37638be76ddecc0eb924a6f76e04e94aeeafdcac65fa1cece713cedbe37892fb740a6c1dc

Malware Config

Extracted

Family

azorult

C2

http://kvaka.li/1210776429.php

Targets

    • Target

      Form.Studio.2009.key.generator.exe

    • Size

      6.9MB

    • MD5

      72f6de0d3d1998956ae2965b92853cfa

    • SHA1

      74bc17dce3c255c1f0f6237891730ce4796a59a1

    • SHA256

      45fa629e3b758dc50c4bd21a2136c8058a37a3a2a3020ca16e3bfade9f089071

    • SHA512

      bc17ccaa84ec42a0db03907c07797921392b24d5c155c9d41610e5c37638be76ddecc0eb924a6f76e04e94aeeafdcac65fa1cece713cedbe37892fb740a6c1dc

    • 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

    • suricata: ET MALWARE Win32/AZORult V3.3 Client Checkin M16

    • Executes dropped EXE

    • VMProtect packed file

      Detects executables packed with VMProtect commercial packer.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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.

    • Checks whether UAC is enabled

    • 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

3
T1012

System Information Discovery

4
T1082

Collection

Data from Local System

2
T1005

Command and Control

Web Service

1
T1102

Tasks