Analysis

  • max time kernel
    35s
  • max time network
    138s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    12-05-2022 12:06

General

  • Target

    45c9f027cceb7c97e38df424e4f42fea206981b62ab707c214a24a41bf7fd52d.exe

  • Size

    434KB

  • MD5

    853dbf787fe03b50e3fa1c725412485a

  • SHA1

    770e542ccbdc385a39d41030723e10e5e1cd2795

  • SHA256

    45c9f027cceb7c97e38df424e4f42fea206981b62ab707c214a24a41bf7fd52d

  • SHA512

    68b5956d6a0175ac6192a784f0f31d659b209df48cdf6865f638c15b5f0433ee7ec4e0f3c283d99969c65181f7084e89cdc950ef04f2ae721f1cf5867628b81a

Malware Config

Extracted

Family

matiex

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.porkbun.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    godisable147

Signatures

  • Matiex

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

  • Matiex Main Payload 1 IoCs
  • Reads user/profile data of local email clients 2 TTPs

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

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 1 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\45c9f027cceb7c97e38df424e4f42fea206981b62ab707c214a24a41bf7fd52d.exe
    "C:\Users\Admin\AppData\Local\Temp\45c9f027cceb7c97e38df424e4f42fea206981b62ab707c214a24a41bf7fd52d.exe"
    1⤵
    • Accesses Microsoft Outlook profiles
    • Suspicious use of AdjustPrivilegeToken
    • outlook_office_path
    • outlook_win_path
    PID:1692

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1692-54-0x0000000001130000-0x00000000011A2000-memory.dmp

    Filesize

    456KB

  • memory/1692-55-0x0000000075951000-0x0000000075953000-memory.dmp

    Filesize

    8KB