Analysis

  • max time kernel
    117s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    08-12-2023 01:29

General

  • Target

    f0079ac02b02f1ab654c37403e1548302d2db53e1c1040fdcafe40c3e1f0fb9a.exe

  • Size

    445KB

  • MD5

    825601aec0eaade1a44ea4a8c8e33f4d

  • SHA1

    1c25ffcef61773180aeb1a4f691d7b84346bce9d

  • SHA256

    f0079ac02b02f1ab654c37403e1548302d2db53e1c1040fdcafe40c3e1f0fb9a

  • SHA512

    60927ffe89175d899d4daf233740a98dae0dc0a65aad6fe1e6f04ecfa6131134e2b586dcfa6f252644c361c7dd17e2c21bb0198e3da657f2cdf272adc6ee3a0f

  • SSDEEP

    3072:kokkBzx1kzVKqZp9j1wDRllK80CEZNxGJVlAHsaSzR/MzAZP6N4Fl:7Bz/uVKqZ3jCDRllJGHsaSzR/EAZPQC

Malware Config

Extracted

Family

matiex

Credentials

Signatures

  • Matiex

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

  • Matiex Main payload 1 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 3 IoCs

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

  • Program crash 1 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f0079ac02b02f1ab654c37403e1548302d2db53e1c1040fdcafe40c3e1f0fb9a.exe
    "C:\Users\Admin\AppData\Local\Temp\f0079ac02b02f1ab654c37403e1548302d2db53e1c1040fdcafe40c3e1f0fb9a.exe"
    1⤵
    • Accesses Microsoft Outlook profiles
    • Suspicious behavior: RenamesItself
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • outlook_office_path
    • outlook_win_path
    PID:2508
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2508 -s 1796
      2⤵
      • Program crash
      PID:2712

Network

MITRE ATT&CK Matrix ATT&CK v13

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Collection

Data from Local System

2
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2508-0-0x00000000002F0000-0x0000000000366000-memory.dmp
    Filesize

    472KB

  • memory/2508-1-0x0000000074C10000-0x00000000752FE000-memory.dmp
    Filesize

    6.9MB

  • memory/2508-2-0x0000000005920000-0x0000000005960000-memory.dmp
    Filesize

    256KB

  • memory/2508-3-0x0000000074C10000-0x00000000752FE000-memory.dmp
    Filesize

    6.9MB

  • memory/2508-4-0x0000000005920000-0x0000000005960000-memory.dmp
    Filesize

    256KB