Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240730-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/08/2024, 14:13

General

  • Target
    80ca7c023f86983b45096df0433a8966_JaffaCakes118.exe
  • Size 693KB
  • Sample240801-rjkk2syerc
  • SHA256 99a9f37b29dd440c803ea37c57a6acded495d4b49c165f66b3fbe8a427972799
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • matiex

Credentials
  • Protocol

    smtp

  • Host

    ebop.website

  • Port

    587

  • Password

    P@ssw0rdP@ssw0rd

Signatures

  • Matiex

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

  • Matiex Main payload 1 IoCs
  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\80ca7c023f86983b45096df0433a8966_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\80ca7c023f86983b45096df0433a8966_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:4336
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:2328
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:3112

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          memory/3112-10-0x0000000005B20000-0x00000000060C4000-memory.dmp

          memory/3112-16-0x0000000074B90000-0x0000000075340000-memory.dmp

          memory/3112-15-0x0000000006B70000-0x0000000006B7A000-memory.dmp

          memory/3112-14-0x0000000006CD0000-0x0000000006E92000-memory.dmp

          memory/3112-13-0x0000000074B90000-0x0000000075340000-memory.dmp

          memory/3112-5-0x0000000000400000-0x0000000000472000-memory.dmp

          memory/3112-12-0x00000000056B0000-0x0000000005716000-memory.dmp

          memory/3112-9-0x0000000074B90000-0x0000000075340000-memory.dmp

          memory/3112-11-0x0000000005610000-0x00000000056AC000-memory.dmp

          memory/4336-4-0x0000000004F30000-0x0000000004FAA000-memory.dmp

          memory/4336-8-0x0000000074B90000-0x0000000075340000-memory.dmp

          memory/4336-7-0x0000000074B90000-0x0000000075340000-memory.dmp

          memory/4336-0-0x0000000074B9E000-0x0000000074B9F000-memory.dmp

          memory/4336-3-0x0000000074B90000-0x0000000075340000-memory.dmp

          memory/4336-2-0x0000000004AD0000-0x0000000004B62000-memory.dmp

          memory/4336-1-0x0000000000080000-0x0000000000134000-memory.dmp