Analysis

  • max time kernel
    28s
  • max time network
    75s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    18-02-2023 07:47

General

  • Target

    74708639af3add94f159cc14c291f4e1.exe

  • Size

    640KB

  • MD5

    74708639af3add94f159cc14c291f4e1

  • SHA1

    d988103baf9e95b1b129b6226ca587389ec4bfe6

  • SHA256

    060a619222ca31fb3ddc58c9f0faa45e05016d13cd9c32709d55ce5f40e4c621

  • SHA512

    9434f5eaec1944741f3940f0d666d2b41959269aac5ea10338004ee06c7405c010140a229479474b85ce4c50b44d086081beca2c577b775124322e10478a63b9

  • SSDEEP

    12288:aCe8LxGQ7MRSRAsDYeQBWlWc4b70eU06zTwjZ++R5Mi6/ZVgCp0TLAXZoCzZW:aN88Q7aQjDYLWlhW7JUyZ++R5PyZ5pcQ

Malware Config

Extracted

Family

matiex

Credentials

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

Signatures

  • Matiex

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

  • Matiex Main payload 2 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • 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 SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\74708639af3add94f159cc14c291f4e1.exe
    "C:\Users\Admin\AppData\Local\Temp\74708639af3add94f159cc14c291f4e1.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:616
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c schtasks /Create /TN name /XML "C:\Users\Admin\AppData\Local\Temp\1cf577b9dd994dc5b1fb65c6529fbb44.xml"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1584
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /Create /TN name /XML "C:\Users\Admin\AppData\Local\Temp\1cf577b9dd994dc5b1fb65c6529fbb44.xml"
        3⤵
        • Creates scheduled task(s)
        PID:1752
    • C:\Users\Admin\AppData\Local\Temp\74708639af3add94f159cc14c291f4e1.exe
      "C:\Users\Admin\AppData\Local\Temp\74708639af3add94f159cc14c291f4e1.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:1552
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1552 -s 1136
        3⤵
        • Program crash
        PID:1804

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Credential Access

Credentials in Files

2
T1081

Collection

Data from Local System

2
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\1cf577b9dd994dc5b1fb65c6529fbb44.xml
    Filesize

    1KB

    MD5

    34f122e2766147a3ece75bc054d744b7

    SHA1

    850b609f2e75e0a677e9e67c3238ae0bdf5f9554

    SHA256

    99a1f874f51f2725643224f5b5263adaa5b27d5318f595b1a697d84f08f7f6ef

    SHA512

    a38867adc0d454577dc663cd9e27ba3111cc8e387024543329a5e5fda2b1b5889cf9e7237370c39afb4329bf43a23a3356186794f47a28df1abec9b2ad9cbee0

  • memory/616-58-0x00000000003BA000-0x00000000003C0000-memory.dmp
    Filesize

    24KB

  • memory/1552-56-0x0000000075C81000-0x0000000075C83000-memory.dmp
    Filesize

    8KB

  • memory/1552-55-0x000000000040188B-mapping.dmp
  • memory/1552-60-0x0000000000490000-0x0000000000502000-memory.dmp
    Filesize

    456KB

  • memory/1552-61-0x0000000000400000-0x0000000000482000-memory.dmp
    Filesize

    520KB

  • memory/1584-54-0x0000000000000000-mapping.dmp
  • memory/1752-57-0x0000000000000000-mapping.dmp
  • memory/1804-62-0x0000000000000000-mapping.dmp