General

  • Target

    Quotation 7339.exe

  • Size

    3.6MB

  • Sample

    201228-nnsa6ackax

  • MD5

    830dcd49c9b23bf35d7d8bc6caf099a8

  • SHA1

    8faecce6b954965528969fc946e7650865dbd763

  • SHA256

    0ee6256edbcb97ace761a15d86ce3e3adc080364f752473dd941339060a4e4b2

  • SHA512

    d7f7ac208933fb7a7aa65524bc4c37c983b7b01e1b1b112f0b83749b9bbc915d1678add8fcce77279a8859c496d690a879a84d525f9e987170479566ba8d8ea5

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    srvc13.turhost.com
  • Port:
    587
  • Username:
    info@bilgitekdagitim.com
  • Password:
    italik2015

Extracted

Family

matiex

Credentials

  • Protocol:
    smtp
  • Host:
    srvc13.turhost.com
  • Port:
    587
  • Username:
    info@bilgitekdagitim.com
  • Password:
    italik2015

Targets

    • Target

      Quotation 7339.exe

    • Size

      3.6MB

    • MD5

      830dcd49c9b23bf35d7d8bc6caf099a8

    • SHA1

      8faecce6b954965528969fc946e7650865dbd763

    • SHA256

      0ee6256edbcb97ace761a15d86ce3e3adc080364f752473dd941339060a4e4b2

    • SHA512

      d7f7ac208933fb7a7aa65524bc4c37c983b7b01e1b1b112f0b83749b9bbc915d1678add8fcce77279a8859c496d690a879a84d525f9e987170479566ba8d8ea5

    • Matiex

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

    • Matiex Main Payload

    • Modifies WinLogon for persistence

    • Drops startup file

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • 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.

    • Adds Run key to start application

    • 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 Matrix ATT&CK v6

Persistence

Winlogon Helper DLL

1
T1004

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

2
T1112

Credential Access

Credentials in Files

3
T1081

Collection

Data from Local System

3
T1005

Tasks