General

  • Target

    https://mega.nz/file/EuZGzbQZ#tuDahR2xAJClVZ3Bbg5PZONI1945IRcejld3E86WH60

  • Sample

    240808-dsyx5ssera

Malware Config

Extracted

Family

44caliber

C2

https://discord.com/api/webhooks/1179477783735451778/91E5ZMjbQLRcKdVETaUeu6gs8rqwbndcwnn3va8Xyp0YomGet52KGjiXRZzapBves0nl

Targets

    • Target

      https://mega.nz/file/EuZGzbQZ#tuDahR2xAJClVZ3Bbg5PZONI1945IRcejld3E86WH60

    • 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

    • Looks up external IP address via web service

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

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

Browser Information Discovery

1
T1217

Query Registry

3
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

3
T1082

Collection

Data from Local System

2
T1005

Tasks