Analysis

  • max time kernel
    142s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240704-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-07-2024 19:05

General

  • Target

    4fa42a8beb305337e28cede06ceefa62_JaffaCakes118.exe

  • Size

    669KB

  • MD5

    4fa42a8beb305337e28cede06ceefa62

  • SHA1

    1ad401dc70385788123ae837eea020a9c1d9e9d9

  • SHA256

    c38b853587846014052d5b2206e8764dac66f7de9479ec3080e1872938bd7ceb

  • SHA512

    81dc56b84e3e95169de458d5842c50347455365388b96155aa25a7fea27dc756d20180265ee2b796b2d6ebc2d04d622a6fa9259877f371e956e1458415046807

  • SSDEEP

    12288:mEcQS8zfwkDWsWUZT3HVCuNhzmSEuH/KVTXr2tb:Fcn8zfw+WUZT3HVCuNhqWfKFXr2t

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 1 IoCs
  • Beds Protector Packer 1 IoCs

    Detects Beds Protector packer used to load .NET malware.

  • 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.

  • 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
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4fa42a8beb305337e28cede06ceefa62_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\4fa42a8beb305337e28cede06ceefa62_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4600
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
      "Powershell.exe" -ExecutionPolicy Bypass -command Copy-Item 'C:\Users\Admin\AppData\Local\Temp\4fa42a8beb305337e28cede06ceefa62_JaffaCakes118.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Drivers.exe'
      2⤵
      • Drops startup file
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:452
    • C:\Users\Admin\AppData\Local\Temp\4fa42a8beb305337e28cede06ceefa62_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\4fa42a8beb305337e28cede06ceefa62_JaffaCakes118.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:616
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 616 -s 2004
        3⤵
        • Program crash
        PID:3100
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 616 -ip 616
    1⤵
      PID:372

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\4fa42a8beb305337e28cede06ceefa62_JaffaCakes118.exe.log

      Filesize

      1KB

      MD5

      553cfcb8247e9e828eef0474e2134fac

      SHA1

      362c3f93dccc66f3bbfaf5ef681a11a0c7bc7316

      SHA256

      a753cbd5f89b034eaeeb02fa8f0924bab30e84d86d02686fdf7c0228d8a00d54

      SHA512

      18b4174286f47b41f47e964c5368b453eba4a23331958e7b982017f965a434aa80c0d3504d13521a9f0550bba4c2b7a62543553d4ddfdf6e1f0c39c6ef542dc4

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_xrgz1oix.lbu.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/452-8-0x0000000002930000-0x0000000002966000-memory.dmp

      Filesize

      216KB

    • memory/452-9-0x0000000074F60000-0x0000000075710000-memory.dmp

      Filesize

      7.7MB

    • memory/452-35-0x00000000072B0000-0x0000000007346000-memory.dmp

      Filesize

      600KB

    • memory/452-31-0x0000000006270000-0x000000000628E000-memory.dmp

      Filesize

      120KB

    • memory/452-32-0x0000000006290000-0x00000000062DC000-memory.dmp

      Filesize

      304KB

    • memory/452-37-0x00000000067C0000-0x00000000067E2000-memory.dmp

      Filesize

      136KB

    • memory/452-18-0x0000000005C90000-0x0000000005FE4000-memory.dmp

      Filesize

      3.3MB

    • memory/452-36-0x0000000006730000-0x000000000674A000-memory.dmp

      Filesize

      104KB

    • memory/452-11-0x0000000074F60000-0x0000000075710000-memory.dmp

      Filesize

      7.7MB

    • memory/452-12-0x0000000074F60000-0x0000000075710000-memory.dmp

      Filesize

      7.7MB

    • memory/452-10-0x0000000005410000-0x0000000005A38000-memory.dmp

      Filesize

      6.2MB

    • memory/452-13-0x0000000005290000-0x00000000052B2000-memory.dmp

      Filesize

      136KB

    • memory/452-15-0x0000000005C20000-0x0000000005C86000-memory.dmp

      Filesize

      408KB

    • memory/452-14-0x0000000005AB0000-0x0000000005B16000-memory.dmp

      Filesize

      408KB

    • memory/452-41-0x0000000074F60000-0x0000000075710000-memory.dmp

      Filesize

      7.7MB

    • memory/616-30-0x0000000074F60000-0x0000000075710000-memory.dmp

      Filesize

      7.7MB

    • memory/616-34-0x0000000074F60000-0x0000000075710000-memory.dmp

      Filesize

      7.7MB

    • memory/616-27-0x0000000000400000-0x0000000000476000-memory.dmp

      Filesize

      472KB

    • memory/616-42-0x0000000074F60000-0x0000000075710000-memory.dmp

      Filesize

      7.7MB

    • memory/4600-33-0x0000000074F60000-0x0000000075710000-memory.dmp

      Filesize

      7.7MB

    • memory/4600-6-0x0000000004EA0000-0x0000000004F46000-memory.dmp

      Filesize

      664KB

    • memory/4600-5-0x0000000005CB0000-0x0000000006254000-memory.dmp

      Filesize

      5.6MB

    • memory/4600-26-0x0000000004F50000-0x0000000004F66000-memory.dmp

      Filesize

      88KB

    • memory/4600-0-0x0000000074F6E000-0x0000000074F6F000-memory.dmp

      Filesize

      4KB

    • memory/4600-4-0x0000000074F60000-0x0000000075710000-memory.dmp

      Filesize

      7.7MB

    • memory/4600-3-0x0000000004E00000-0x0000000004E92000-memory.dmp

      Filesize

      584KB

    • memory/4600-2-0x0000000005230000-0x00000000056FC000-memory.dmp

      Filesize

      4.8MB

    • memory/4600-1-0x0000000000370000-0x000000000041E000-memory.dmp

      Filesize

      696KB

    • memory/4600-7-0x0000000004FF0000-0x000000000508C000-memory.dmp

      Filesize

      624KB