Overview

overview

10

Static

static

4797508E2-...35.exe

windows7_x64

1

4797508E2-...35.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    142s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    03-05-2022 20:18

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General

  • Target

    4797508E2-20F2-42C-879A-1C35.exe

  • Size

    628KB

  • MD5

    6a44a7c90b737edd4143bd8332a61f11

  • SHA1

    f9b37b7558a73bee19865141964687c53d3808db

  • SHA256

    bc3d62c45c60396f1896ca688f72acc91af5412bedd3d1c7ec3f6b1e3891f198

  • SHA512

    319ef283cce7d0a0c30d5c8a72c701bdcbe1a311a51b0b411710a2e56e191283e430a6082c907cccffcd95cc5a26761c8d4eeae6ac6d424c38d80a1e41d6cb6d

Score
10/10
matiexcollectionkeyloggerstealer

Malware Config

Extracted

Family

matiex

C2

https://api.telegram.org/bot1395392888:AAFrJovDdZICOFB0gX0eGWrAUzEKCRpv8xo/sendMessage?chat_id=1300181783

Signatures

  • Matiex

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

    stealerkeyloggermatiex
  • Matiex Main Payload 1 IoCs
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
    collection
  • 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
  • Program crash 1 IoCs
  • Suspicious behavior: MapViewOfSection 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\4797508E2-20F2-42C-879A-1C35.exe
    "C:\Users\Admin\AppData\Local\Temp\4797508E2-20F2-42C-879A-1C35.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:4844
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:348
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 348 -s 2548
        3⤵
        • Program crash
        PID:2460
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 348 -ip 348
    1⤵
      PID:3428

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Persistence

    Privilege Escalation

    Defense Evasion

    Credential Access

    Discovery

    Lateral Movement

    Collection

    Email Collection

    1
    T1114

    Exfiltration

    Command and Control

    Impact

    Replay Monitor

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    Downloads

    • memory/348-131-0x0000000000000000-mapping.dmp
      Download
    • memory/348-132-0x0000000000400000-0x0000000000476000-memory.dmp
      Filesize

      472KB

      Download
    • memory/348-133-0x0000000005530000-0x00000000055CC000-memory.dmp
      Filesize

      624KB

      Download
    • memory/348-134-0x0000000005490000-0x00000000054F6000-memory.dmp
      Filesize

      408KB

      Download
    • memory/348-135-0x0000000006880000-0x0000000006E24000-memory.dmp
      Filesize

      5.6MB

      Download
    • memory/4844-130-0x0000000000920000-0x0000000000955000-memory.dmp
      Filesize

      212KB

      Download