Overview

overview

10

Static

static

10

7605122309.exe

windows7_x64

10

7605122309.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    127s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    20/05/2022, 22:47

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General

  • Target
    7605122309.exe
  • Size 1.1MB
  • Sample220520-2qnldsaghj
  • SHA256 630bb247d9c8f85f918a274ef04c5c5df8347176444b9e0222b68648ca999ccb
  • MD5 SHA1 SHA512
Score
10/10
matiexcollectionkeyloggerpersistencespywarestealer

Malware Config

Extracted

Family

  • matiex

Credentials
  • Protocol

    smtp
  • Host

    smtp.yandex.com
  • Port

    587
  • Username

    [email protected]
  • Password

    HYF76io83%$6***

Signatures

  • Matiex

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

    stealerkeyloggermatiex
  • Matiex Main Payload 4 IoCs
  • Executes dropped EXE 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

    spywarestealer
  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
    collection
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Looks up external IP address via web service 3 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.

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 25 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7605122309.exe
    "C:\Users\Admin\AppData\Local\Temp\7605122309.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2496
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v smgu /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\sogh.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:656
      • C:\Windows\SysWOW64\reg.exe
        REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v smgu /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\sogh.exe"
        3⤵
        • Adds Run key to start application
        PID:636
    • C:\Users\Admin\sogh.exe
      "C:\Users\Admin\sogh.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4516
      • C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
        "C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"
        3⤵
        • Executes dropped EXE
        • Accesses Microsoft Outlook profiles
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:2372
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2372 -s 1984
          4⤵
          • Program crash
          PID:1112
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2372 -ip 2372
    1⤵
      PID:1508

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          InstallUtil.exe
          • Path C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
          • Size 41KB
          • SHA256 ac1a3f21fcc88f9cee7bf51581eafba24cc76c924f0821deb2afdf1080ddf3d3
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          InstallUtil.exe
          • Path C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
          • Size 41KB
          • SHA256 ac1a3f21fcc88f9cee7bf51581eafba24cc76c924f0821deb2afdf1080ddf3d3
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          sogh.exe
          • Path C:\Users\Admin\sogh.exe
          • Size 1.1MB
          • SHA256 630bb247d9c8f85f918a274ef04c5c5df8347176444b9e0222b68648ca999ccb
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          sogh.exe
          • Path C:\Users\Admin\sogh.exe
          • Size 1.1MB
          • SHA256 630bb247d9c8f85f918a274ef04c5c5df8347176444b9e0222b68648ca999ccb
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          memory/2372-142-0x0000000000800000-0x0000000000874000-memory.dmp
          Download

          memory/2372-143-0x0000000004D70000-0x0000000004E0C000-memory.dmp
          Download

          memory/2372-144-0x0000000004E10000-0x0000000004E76000-memory.dmp
          Download

          memory/2496-130-0x0000000000D20000-0x0000000000E40000-memory.dmp
          Download

          memory/2496-132-0x0000000005FD0000-0x0000000006062000-memory.dmp
          Download

          memory/2496-131-0x0000000006480000-0x0000000006A24000-memory.dmp
          Download