General

  • Target

    350a0cba7d54a943a4f4fda9cd8c2184681025250de406b25998a4f053ce69f8

  • Size

    321KB

  • Sample

    220221-2zx67abdf3

  • MD5

    fb6ffd7b2e6c520a903c478c8e04d3f3

  • SHA1

    033d9d0af07c5f90102d1df595c795c223e12f5e

  • SHA256

    350a0cba7d54a943a4f4fda9cd8c2184681025250de406b25998a4f053ce69f8

  • SHA512

    d401e57b1bace02bacb311b60adb1f2759e5359f83022a8c04fe6dada2385f157ea8f38cb9f20603035f841417ae8a56473d1c232938406e341acff80c759e47

Malware Config

Extracted

Family

matiex

C2

https://api.telegram.org/bot1277090811:AAHJ1mutkv0Wr1_9949BBcb3lR-DuRKH5RU/sendMessage?chat_id=1216524090

Targets

    • Target

      PO# 2366.exe

    • Size

      562KB

    • MD5

      87ea6faf43f55191b84e9be3da3bb730

    • SHA1

      5d61fdb034fe227740428dd8f025c6ef06c6d7d8

    • SHA256

      2026239c3cabfeae27fabc93031453a0af2bb4e18275bb0ee9d9ed467d3ae303

    • SHA512

      10160f0e589681e6eac32e60cbca665fc01e728d305659154e2e121b0ede7dc3c9dc7bf101fafbc158e9806a46573944dd3ced2eb07b0eafa9e53790c9bf9c14

    • Matiex

      Matiex is a keylogger and infostealer first seen in July 2020.

    • Matiex Main Payload

    • Drops startup file

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses Microsoft Outlook profiles

    • 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 SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks