Overview

overview

10

Static

static

53833eaa5c...2e.exe

windows7_x64

10

53833eaa5c...2e.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    160s
  • max time network
    179s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220331-en
  • submitted
    14/04/2022, 11:58

Sharing

Copy URL Twitter E-mail
Report Analysis Logs

General

  • Target
    53833eaa5c4c091fb3e25aa7707d1ff5ecf01aa3a69da439742186466c85042e.exe
  • Size 562KB
  • Sample220414-n495naafd3
  • SHA256 53833eaa5c4c091fb3e25aa7707d1ff5ecf01aa3a69da439742186466c85042e
  • MD5 SHA1 SHA512
Score
10/10
matiexkeyloggerpersistencestealer

Malware Config

Extracted

Family

  • matiex

Credentials
  • Protocol

    smtp
  • Host

    mail.spamora.net
  • Port

    587
  • Username

    [email protected]
  • Password

    Emotion1

Signatures

  • Matiex

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

    stealerkeyloggermatiex
  • Matiex Main Payload 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 25 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\53833eaa5c4c091fb3e25aa7707d1ff5ecf01aa3a69da439742186466c85042e.exe
    "C:\Users\Admin\AppData\Local\Temp\53833eaa5c4c091fb3e25aa7707d1ff5ecf01aa3a69da439742186466c85042e.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2040
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe" /c REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v whatsapp /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\AppData\Roaming\appmodule.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:216
      • C:\Windows\SysWOW64\reg.exe
        REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v whatsapp /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\AppData\Roaming\appmodule.exe"
        3⤵
        • Adds Run key to start application
        PID:4288
    • C:\Users\Admin\AppData\Roaming\appmodule.exe
      "C:\Users\Admin\AppData\Roaming\appmodule.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:900
      • C:\Users\Admin\AppData\Roaming\appmodule.exe
        "C:\Users\Admin\AppData\Roaming\appmodule.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:1636

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        appmodule.exe.log
        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\appmodule.exe.log
        • Size 1KB
        • SHA256 19cb9087c56aeccc56ec96363dfe7128b651d7c450c81e453e2e29f3fabf8da3
        • MD5 SHA1 SHA512
        Submit Download

        AgileDotNetRT.dll
        • Path C:\Users\Admin\AppData\Local\Temp\b35bc50e-fc56-4239-a7d0-bb79118b31c9\AgileDotNetRT.dll
        • Size 94KB
        • SHA256 fb9646cb956945bdc503e69645f6b5316d3826b780d3c36738d6b944e884d15b
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        appmodule.exe
        • Path C:\Users\Admin\AppData\Roaming\appmodule.exe
        • Size 562KB
        • SHA256 53833eaa5c4c091fb3e25aa7707d1ff5ecf01aa3a69da439742186466c85042e
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        appmodule.exe
        • Path C:\Users\Admin\AppData\Roaming\appmodule.exe
        • Size 562KB
        • SHA256 53833eaa5c4c091fb3e25aa7707d1ff5ecf01aa3a69da439742186466c85042e
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        appmodule.exe
        • Path C:\Users\Admin\AppData\Roaming\appmodule.exe
        • Size 562KB
        • SHA256 53833eaa5c4c091fb3e25aa7707d1ff5ecf01aa3a69da439742186466c85042e
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        memory/900-134-0x0000000073AD0000-0x0000000073B59000-memory.dmp
        Download

        memory/1636-136-0x0000000000400000-0x0000000000478000-memory.dmp
        Download

        memory/1636-139-0x0000000004F90000-0x000000000502C000-memory.dmp
        Download

        memory/1636-140-0x0000000005030000-0x0000000005096000-memory.dmp
        Download

        memory/2040-124-0x0000000000900000-0x0000000000992000-memory.dmp
        Download

        memory/2040-127-0x0000000005430000-0x00000000054C2000-memory.dmp
        Download

        memory/2040-126-0x0000000005340000-0x0000000005384000-memory.dmp
        Download

        memory/2040-125-0x0000000005890000-0x0000000005E34000-memory.dmp
        Download