Analysis

  • max time kernel
    147s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    08-05-2022 19:29

General

  • Target

    mo908000800j865.exe

  • Size

    577KB

  • MD5

    dfd4dde62f8d8746edc2b7f450259181

  • SHA1

    50a0f7a1fa3e7bcd4ded00ae20e35e585d9f7867

  • SHA256

    deb96dddc557e467d8e3ac9bf5ee8fc167f74461d84e823925c0f8c7b33422e7

  • SHA512

    15646b34619848f38e19959b3dff3c3448eda137e527f58f22babfcf304154831f72626890b955f6ca5934efa78f8d0ee83137ad0cd66e60b9c1c17149162a33

Malware Config

Extracted

Family

matiex

Credentials

  • Protocol:
    smtp
  • Host:
    srvc13.turhost.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    italik2015

Signatures

  • Matiex

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

  • Matiex Main Payload 1 IoCs
  • 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.

  • 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\mo908000800j865.exe
    "C:\Users\Admin\AppData\Local\Temp\mo908000800j865.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:4420
    • 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:2460
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2460 -s 1992
        3⤵
        • Program crash
        PID:2968
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2460 -ip 2460
    1⤵
      PID:4612

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2460-131-0x0000000000000000-mapping.dmp

    • memory/2460-132-0x0000000000400000-0x0000000000472000-memory.dmp

      Filesize

      456KB

    • memory/2460-133-0x00000000055C0000-0x000000000565C000-memory.dmp

      Filesize

      624KB

    • memory/2460-134-0x0000000005C10000-0x00000000061B4000-memory.dmp

      Filesize

      5.6MB

    • memory/2460-135-0x0000000005700000-0x0000000005766000-memory.dmp

      Filesize

      408KB

    • memory/4420-130-0x0000000000CA0000-0x0000000000CCA000-memory.dmp

      Filesize

      168KB