Analysis

  • max time kernel
    145s
  • max time network
    103s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-06-2024 08:33

General

  • Target

    97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe

  • Size

    368KB

  • MD5

    97a34da4e49f20eab3c17f2bab3d13b6

  • SHA1

    6dc384a6bfbcae830c87d538339dfbdfba609685

  • SHA256

    a7857a8f3d8ae57db9bc6c48aaeb2b2b7f6190b7fbd4cb72d66dd9a7f9f8c91a

  • SHA512

    cc638340ffbba6d8c46cb39756670737f13cd7cf0ec8489c7d8e48566de1275cc346b7e9557d8bdccf71e5a8a2032db38050859436feaf91c8bbcdba4057cc34

  • SSDEEP

    6144:r8gSinaOzC4NFwHbXpFl+yNNCmA6K0FLW+P1O2qoHaIV1aa7OPRFeRlnbGzejkdw:rJnvZFcnNCV6K0FtP1ksmmOP2riGc4Rf

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.teracefinancial.net
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    sG!xcfQ8

Signatures

  • AgentTesla

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

  • AgentTesla payload 1 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 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4800
    • C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe"
      2⤵
        PID:3404
      • C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe"
        2⤵
          PID:224
        • C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe
          "C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe"
          2⤵
            PID:2808
          • C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe
            "C:\Users\Admin\AppData\Local\Temp\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe"
            2⤵
            • Accesses Microsoft Outlook profiles
            • Adds Run key to start application
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            • outlook_office_path
            • outlook_win_path
            PID:2120

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\97a34da4e49f20eab3c17f2bab3d13b6_JaffaCakes118.exe.log

          Filesize

          496B

          MD5

          7baa6583f69f63f7230df9bf98448356

          SHA1

          fe9eb85b57192362da704a3c130377fe83862320

          SHA256

          a632504621b4cac1d5ba5465c7ad9b30f3d036e9838682506782124a211bed4f

          SHA512

          0e72541791281c0fdac1f5fc6beea0b9eb8766b2a386aecb92cb8a44e5b59b7114c79194393ddeff957ffe86021a311caed7ce2731b863d97ad441870efbc051

        • memory/2120-3-0x0000000000400000-0x0000000000452000-memory.dmp

          Filesize

          328KB

        • memory/2120-6-0x00000000753E0000-0x0000000075991000-memory.dmp

          Filesize

          5.7MB

        • memory/2120-8-0x00000000753E0000-0x0000000075991000-memory.dmp

          Filesize

          5.7MB

        • memory/2120-9-0x00000000753E0000-0x0000000075991000-memory.dmp

          Filesize

          5.7MB

        • memory/2120-11-0x00000000753E0000-0x0000000075991000-memory.dmp

          Filesize

          5.7MB

        • memory/2120-12-0x00000000753E0000-0x0000000075991000-memory.dmp

          Filesize

          5.7MB

        • memory/2120-13-0x00000000753E0000-0x0000000075991000-memory.dmp

          Filesize

          5.7MB

        • memory/4800-0-0x00000000753E2000-0x00000000753E3000-memory.dmp

          Filesize

          4KB

        • memory/4800-1-0x00000000753E0000-0x0000000075991000-memory.dmp

          Filesize

          5.7MB

        • memory/4800-2-0x00000000753E0000-0x0000000075991000-memory.dmp

          Filesize

          5.7MB

        • memory/4800-7-0x00000000753E0000-0x0000000075991000-memory.dmp

          Filesize

          5.7MB