Resubmissions

27-07-2024 05:11

240727-fvc5kaygpl 10

25-07-2024 01:26

240725-btj49szbrl 10

Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    25-07-2024 01:26

General

  • Target

    6d991f93327f70488011bf06ba799930_JaffaCakes118.exe

  • Size

    730KB

  • MD5

    6d991f93327f70488011bf06ba799930

  • SHA1

    1b630a8c337cc48f9ec41cccc4352f51e7d51e71

  • SHA256

    abfc5a0bbf24e3dbc1c76c0734ea0b1ed6a0d5ff6f44f2a5a3e4e2f9317118c3

  • SHA512

    181be4ad5a549d51461fd8c9a470abac2895f51b5ec1cdba6927644ca0e8fb91663d8635ed5c98f4a90ae2752eb98b3235f106ee2d009cc885bdf6d0faadfe70

  • SSDEEP

    12288:tFda+FdahcQS8zfwkD/j1UGmy7eaqwVlXN8eR5dKFLtnoAf:8cn8zfwa1Dmyxrd8eqLt

Malware Config

Extracted

Family

matiex

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.privateemail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    MARYolanmauluogwo@ever

Signatures

  • Matiex

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

  • Matiex Main payload 5 IoCs
  • Beds Protector Packer 1 IoCs

    Detects Beds Protector packer used to load .NET malware.

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Drops startup file 2 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 4 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6d991f93327f70488011bf06ba799930_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\6d991f93327f70488011bf06ba799930_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2520
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
      "Powershell.exe" -ExecutionPolicy Bypass -command Copy-Item 'C:\Users\Admin\AppData\Local\Temp\6d991f93327f70488011bf06ba799930_JaffaCakes118.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Drivers.exe'
      2⤵
      • Drops startup file
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2180
    • C:\Users\Admin\AppData\Local\Temp\6d991f93327f70488011bf06ba799930_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\6d991f93327f70488011bf06ba799930_JaffaCakes118.exe"
      2⤵
        PID:2916
      • C:\Users\Admin\AppData\Local\Temp\6d991f93327f70488011bf06ba799930_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\6d991f93327f70488011bf06ba799930_JaffaCakes118.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        • outlook_office_path
        • outlook_win_path
        PID:2836
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2836 -s 972
          3⤵
          • Program crash
          PID:1740

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2180-6-0x000000006EE21000-0x000000006EE22000-memory.dmp

      Filesize

      4KB

    • memory/2180-7-0x000000006EE20000-0x000000006F3CB000-memory.dmp

      Filesize

      5.7MB

    • memory/2180-8-0x000000006EE20000-0x000000006F3CB000-memory.dmp

      Filesize

      5.7MB

    • memory/2180-9-0x000000006EE20000-0x000000006F3CB000-memory.dmp

      Filesize

      5.7MB

    • memory/2180-10-0x000000006EE20000-0x000000006F3CB000-memory.dmp

      Filesize

      5.7MB

    • memory/2180-27-0x000000006EE20000-0x000000006F3CB000-memory.dmp

      Filesize

      5.7MB

    • memory/2520-25-0x0000000073EC0000-0x00000000745AE000-memory.dmp

      Filesize

      6.9MB

    • memory/2520-1-0x0000000001260000-0x000000000131C000-memory.dmp

      Filesize

      752KB

    • memory/2520-2-0x0000000073EC0000-0x00000000745AE000-memory.dmp

      Filesize

      6.9MB

    • memory/2520-3-0x0000000000EE0000-0x0000000000F86000-memory.dmp

      Filesize

      664KB

    • memory/2520-11-0x00000000002D0000-0x00000000002E6000-memory.dmp

      Filesize

      88KB

    • memory/2520-0-0x0000000073ECE000-0x0000000073ECF000-memory.dmp

      Filesize

      4KB

    • memory/2836-12-0x0000000000400000-0x0000000000476000-memory.dmp

      Filesize

      472KB

    • memory/2836-20-0x0000000000400000-0x0000000000476000-memory.dmp

      Filesize

      472KB

    • memory/2836-24-0x0000000000400000-0x0000000000476000-memory.dmp

      Filesize

      472KB

    • memory/2836-22-0x0000000000400000-0x0000000000476000-memory.dmp

      Filesize

      472KB

    • memory/2836-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2836-16-0x0000000000400000-0x0000000000476000-memory.dmp

      Filesize

      472KB

    • memory/2836-14-0x0000000000400000-0x0000000000476000-memory.dmp

      Filesize

      472KB

    • memory/2836-13-0x0000000000400000-0x0000000000476000-memory.dmp

      Filesize

      472KB