Analysis

  • max time kernel
    118s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    15-09-2024 08:39

General

  • Target

    e218c6f543087ad611dbfe95c25ca755_JaffaCakes118.exe

  • Size

    887KB

  • MD5

    e218c6f543087ad611dbfe95c25ca755

  • SHA1

    8cb78a0e6f629b496d587413376435ce81f4a69d

  • SHA256

    ae5d0b77f675df5f62fab8f409d5fbd7d2fb4ef3cf3409feefb5446cf6bcd335

  • SHA512

    7dd0bfb280b73185e19d1c1736ca65febad1effdfdbf2a5fc740c84891fe4e779fabc395baffc75cf9fd60f9c629d0411f44044ef1c92d4640878a4d63ee9076

  • SSDEEP

    12288:Qkie/02Eft97A4a7io//WwVMMXwcQ1OkF3WbmeicD2402EfEnBBVwehEAJFmF:vM2k97IOkVMT7EYGbmey32pBBCjAJ

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    HEoxefZ9

Signatures

  • AgentTesla

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

  • AgentTesla payload 5 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
  • Enumerates physical storage devices 1 TTPs

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

  • 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 7 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e218c6f543087ad611dbfe95c25ca755_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e218c6f543087ad611dbfe95c25ca755_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:1576
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\hCSkfelSKIXR" /XML "C:\Users\Admin\AppData\Local\Temp\tmp53EA.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2920
    • C:\Users\Admin\AppData\Local\Temp\e218c6f543087ad611dbfe95c25ca755_JaffaCakes118.exe
      "{path}"
      2⤵
        PID:2628
      • C:\Users\Admin\AppData\Local\Temp\e218c6f543087ad611dbfe95c25ca755_JaffaCakes118.exe
        "{path}"
        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:2876

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp53EA.tmp

      Filesize

      1KB

      MD5

      83048932c25779f6f28d20b53cd4a62b

      SHA1

      ef3955261f57bda4db26f4776a057e25f38dc8bb

      SHA256

      fb1199e3ded9d6c14af85dadc4c271569e1ca19494e8621ce0027488ac4c5234

      SHA512

      fabc87982e1baa96ba31a3873c3f7f31e2a6372bd390927e4ab24951cedd5fd25ea3d3fa62488de7f68e6b23d55fc527b5f47295acbb6f9f5f242cb49e2b95d9

    • memory/1576-0-0x000000007412E000-0x000000007412F000-memory.dmp

      Filesize

      4KB

    • memory/1576-1-0x0000000001090000-0x0000000001176000-memory.dmp

      Filesize

      920KB

    • memory/1576-2-0x0000000074120000-0x000000007480E000-memory.dmp

      Filesize

      6.9MB

    • memory/1576-3-0x0000000000370000-0x000000000037A000-memory.dmp

      Filesize

      40KB

    • memory/1576-4-0x000000007412E000-0x000000007412F000-memory.dmp

      Filesize

      4KB

    • memory/1576-5-0x0000000074120000-0x000000007480E000-memory.dmp

      Filesize

      6.9MB

    • memory/1576-6-0x0000000004D20000-0x0000000004D92000-memory.dmp

      Filesize

      456KB

    • memory/1576-7-0x00000000050A0000-0x0000000005108000-memory.dmp

      Filesize

      416KB

    • memory/1576-25-0x0000000074120000-0x000000007480E000-memory.dmp

      Filesize

      6.9MB

    • memory/2876-11-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/2876-15-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/2876-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2876-13-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/2876-19-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/2876-24-0x0000000074120000-0x000000007480E000-memory.dmp

      Filesize

      6.9MB

    • memory/2876-23-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/2876-21-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/2876-26-0x0000000074120000-0x000000007480E000-memory.dmp

      Filesize

      6.9MB

    • memory/2876-12-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/2876-27-0x0000000074120000-0x000000007480E000-memory.dmp

      Filesize

      6.9MB