Resubmissions

27-08-2023 15:31

230827-syeh1sah99 10

27-08-2023 15:22

230827-srx2sacf41 10

General

  • Target

    https://disk.yandex.ru/d/CDxlGTqsr9tZog

  • Sample

    230827-syeh1sah99

Malware Config

Extracted

Family

44caliber

C2

https://discord.com/api/webhooks/1144111485715484692/W6-NrreN9sCTG1sx1mo0d2yLoDwfNnpdsyMarNWNlT4kgWHDWvgWC3whzPnqr8RkjttM

Targets

    • Target

      https://disk.yandex.ru/d/CDxlGTqsr9tZog

    • 44Caliber

      An open source infostealer written in C#.

    • Downloads MZ/PE file

    • 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.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks