General

  • Target

    https://drive.google.com/file/d/1Y_2Zi4JwI051UwpWOVcJjbNvJHpq8JJM/view?usp=drive_link

  • Sample

    240824-wwantsvdqp

Malware Config

Extracted

Family

44caliber

C2

https://discord.com/api/webhooks/1276205230224310396/lpTvCUz-EGf3XOlpIcZTWH-uQeTJIwu6LSqhHvYE1DRtpsYWzkMlY8AxcXppUawNe1Uw

Targets

    • Target

      https://drive.google.com/file/d/1Y_2Zi4JwI051UwpWOVcJjbNvJHpq8JJM/view?usp=drive_link

    • 44Caliber

      An open source infostealer written in C#.

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • Executes dropped EXE

    • 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

    • 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.

    • Network Share Discovery

      Attempt to gather information on host network.

    • Drops file in System32 directory

MITRE ATT&CK Matrix ATT&CK v13

Credential Access

Credentials from Password Stores

1
T1555

Credentials from Web Browsers

1
T1555.003

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Discovery

Network Share Discovery

1
T1135

Browser Information Discovery

1
T1217

Query Registry

1
T1012

System Information Discovery

1
T1082

Collection

Data from Local System

2
T1005

Command and Control

Web Service

1
T1102

Tasks