Analysis

  • max time kernel
    134s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-07-2024 20:23

General

  • Target

    0049113ba9bdda6201ac9ca225b8a224_JaffaCakes118.exe

  • Size

    692KB

  • MD5

    0049113ba9bdda6201ac9ca225b8a224

  • SHA1

    34c73e9ce5bfb82e09c35906139dd06f716cb475

  • SHA256

    4f180b0d01bfd9ebecfc92f5268f10a80562bfdbaaaa3baf35ec91dd44a65643

  • SHA512

    cc0a558ce63adf2105ee89c45e9794d5586b90eef1617bcda6b17c743fd6410f801987be0cd3957a19d668cb3f36a82c5fc767f51aa6195db4726150e93f6380

  • SSDEEP

    12288:9StygfdP/9pP2tLBY6STjRyLwycgP+pITEQA6lM8x34Na497EttGNgIa:9SZfdX9J2JBqPRcwWP+6ZX2

Malware Config

Extracted

Family

matiex

Credentials

  • Protocol:
    smtp
  • Host:
    mail.ashok-photos.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    user=ADOBE-LMS\admin$

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.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 3 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 4 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\0049113ba9bdda6201ac9ca225b8a224_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\0049113ba9bdda6201ac9ca225b8a224_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3244
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\baKKHdP" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8C6C.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:1496
    • C:\Users\Admin\AppData\Local\Temp\0049113ba9bdda6201ac9ca225b8a224_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\0049113ba9bdda6201ac9ca225b8a224_JaffaCakes118.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:4932
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4932 -s 1384
        3⤵
        • Program crash
        PID:1928
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4932 -ip 4932
    1⤵
      PID:2996

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\0049113ba9bdda6201ac9ca225b8a224_JaffaCakes118.exe.log

      Filesize

      1KB

      MD5

      e7473990edf901c1e1bef76f6095f55b

      SHA1

      f03b370492bbcc5280982886f9688eb8da762c8f

      SHA256

      5fea4747d97c0dbc097902818ae754eaca7214913a52d3bb1372a6274ce0292a

      SHA512

      ab93f14371dfae858bbad7d98c95055186f60b30937057f71b3d1ad17ab08b5ab7820a33bc5b3e74c485ec38e6b7a1772077add591d313175c10b4ff94bcb689

    • C:\Users\Admin\AppData\Local\Temp\tmp8C6C.tmp

      Filesize

      1KB

      MD5

      4da51f315ae2193b94de7fcb7d26963a

      SHA1

      fcbdf0940e1dee3351c7e07bdafa66a6f6070b10

      SHA256

      77efa9edbab477243e81c649150aa7ae98ba25affaff02890e88786134bae232

      SHA512

      6c0c4c5ef366ed4b1d337c472a01293fa0490235cc4e77bb8ad40284ad7f4a8a8450c69c5be6eec2666df77c50f3b102ab8128e97ae69fa2a5b16f0d1fba0924

    • memory/3244-5-0x0000000074BE0000-0x0000000075390000-memory.dmp

      Filesize

      7.7MB

    • memory/3244-12-0x0000000006F30000-0x0000000006F9A000-memory.dmp

      Filesize

      424KB

    • memory/3244-4-0x0000000006620000-0x0000000006BC4000-memory.dmp

      Filesize

      5.6MB

    • memory/3244-0-0x0000000074BEE000-0x0000000074BEF000-memory.dmp

      Filesize

      4KB

    • memory/3244-6-0x0000000006070000-0x0000000006102000-memory.dmp

      Filesize

      584KB

    • memory/3244-7-0x0000000005AF0000-0x0000000005AFA000-memory.dmp

      Filesize

      40KB

    • memory/3244-8-0x0000000006260000-0x00000000062B6000-memory.dmp

      Filesize

      344KB

    • memory/3244-9-0x0000000005FB0000-0x0000000005FC8000-memory.dmp

      Filesize

      96KB

    • memory/3244-10-0x0000000074BEE000-0x0000000074BEF000-memory.dmp

      Filesize

      4KB

    • memory/3244-11-0x0000000074BE0000-0x0000000075390000-memory.dmp

      Filesize

      7.7MB

    • memory/3244-13-0x00000000065E0000-0x00000000065E6000-memory.dmp

      Filesize

      24KB

    • memory/3244-3-0x0000000005FD0000-0x000000000606C000-memory.dmp

      Filesize

      624KB

    • memory/3244-14-0x0000000007010000-0x0000000007086000-memory.dmp

      Filesize

      472KB

    • memory/3244-2-0x0000000005A50000-0x0000000005ACA000-memory.dmp

      Filesize

      488KB

    • memory/3244-23-0x0000000074BE0000-0x0000000075390000-memory.dmp

      Filesize

      7.7MB

    • memory/3244-1-0x0000000000FE0000-0x0000000001096000-memory.dmp

      Filesize

      728KB

    • memory/4932-20-0x0000000000400000-0x0000000000472000-memory.dmp

      Filesize

      456KB

    • memory/4932-24-0x0000000074BE0000-0x0000000075390000-memory.dmp

      Filesize

      7.7MB

    • memory/4932-25-0x00000000058D0000-0x0000000005936000-memory.dmp

      Filesize

      408KB

    • memory/4932-26-0x0000000074BE0000-0x0000000075390000-memory.dmp

      Filesize

      7.7MB

    • memory/4932-27-0x0000000074BE0000-0x0000000075390000-memory.dmp

      Filesize

      7.7MB