Analysis

  • max time kernel
    143s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-09-2024 14:07

General

  • Target

    d21c9ca0d479144b50d7338dfba05c2b_JaffaCakes118.exe

  • Size

    528KB

  • MD5

    d21c9ca0d479144b50d7338dfba05c2b

  • SHA1

    4d14ef6a8db2c2cdb6f9712635de226ff2597461

  • SHA256

    fce5eae564d09fbbbd637db951cd84595faf8160cf21654c47746d3220f0f4cd

  • SHA512

    08b82d11d4f440d46b6330db3d2578a0d84b71ea53fe16a770c511f99bdfd18ed81eb2b616209670d07212ca3f91be6a27e279b37a220c7dbab90ca8167f21fd

  • SSDEEP

    6144:sGdrDy8JnM5qD9gotY/FmRqVHoJbl2NFJS67xcTTQZjr3iE1ixoe8hUy0Xm2rqnW:XrDhBDCoteoT+bSgMTC7iCixo81Xm2

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    mommy2158

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

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

    Malicious Access or copy of Web Browser Credential store.

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • 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.

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: RenamesItself 1 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\d21c9ca0d479144b50d7338dfba05c2b_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\d21c9ca0d479144b50d7338dfba05c2b_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:3480
    • C:\Users\Admin\AppData\Local\Temp\d21c9ca0d479144b50d7338dfba05c2b_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\d21c9ca0d479144b50d7338dfba05c2b_JaffaCakes118.exe"
      2⤵
        PID:760
      • C:\Users\Admin\AppData\Local\Temp\d21c9ca0d479144b50d7338dfba05c2b_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\d21c9ca0d479144b50d7338dfba05c2b_JaffaCakes118.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: RenamesItself
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:1388

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\d21c9ca0d479144b50d7338dfba05c2b_JaffaCakes118.exe.log

      Filesize

      1KB

      MD5

      17573558c4e714f606f997e5157afaac

      SHA1

      13e16e9415ceef429aaf124139671ebeca09ed23

      SHA256

      c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553

      SHA512

      f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

    • memory/1388-13-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/1388-23-0x00000000067E0000-0x0000000006830000-memory.dmp

      Filesize

      320KB

    • memory/1388-21-0x0000000006110000-0x0000000006176000-memory.dmp

      Filesize

      408KB

    • memory/1388-20-0x0000000005880000-0x0000000005898000-memory.dmp

      Filesize

      96KB

    • memory/1388-19-0x0000000074590000-0x0000000074D40000-memory.dmp

      Filesize

      7.7MB

    • memory/1388-18-0x0000000074590000-0x0000000074D40000-memory.dmp

      Filesize

      7.7MB

    • memory/1388-16-0x0000000074590000-0x0000000074D40000-memory.dmp

      Filesize

      7.7MB

    • memory/3480-5-0x00000000055B0000-0x00000000055BA000-memory.dmp

      Filesize

      40KB

    • memory/3480-6-0x00000000057C0000-0x0000000005816000-memory.dmp

      Filesize

      344KB

    • memory/3480-10-0x0000000074590000-0x0000000074D40000-memory.dmp

      Filesize

      7.7MB

    • memory/3480-11-0x0000000006790000-0x00000000067FE000-memory.dmp

      Filesize

      440KB

    • memory/3480-12-0x00000000064E0000-0x000000000652E000-memory.dmp

      Filesize

      312KB

    • memory/3480-8-0x0000000005710000-0x000000000571A000-memory.dmp

      Filesize

      40KB

    • memory/3480-7-0x0000000074590000-0x0000000074D40000-memory.dmp

      Filesize

      7.7MB

    • memory/3480-9-0x000000007459E000-0x000000007459F000-memory.dmp

      Filesize

      4KB

    • memory/3480-17-0x0000000074590000-0x0000000074D40000-memory.dmp

      Filesize

      7.7MB

    • memory/3480-0-0x000000007459E000-0x000000007459F000-memory.dmp

      Filesize

      4KB

    • memory/3480-4-0x0000000005720000-0x00000000057B2000-memory.dmp

      Filesize

      584KB

    • memory/3480-3-0x0000000005C30000-0x00000000061D4000-memory.dmp

      Filesize

      5.6MB

    • memory/3480-2-0x00000000055C0000-0x000000000565C000-memory.dmp

      Filesize

      624KB

    • memory/3480-1-0x0000000000B80000-0x0000000000C0A000-memory.dmp

      Filesize

      552KB