Analysis

  • max time kernel
    145s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/10/2024, 17:03

General

  • Target

    433fdfa6cf0c539c304185819b09687c_JaffaCakes118.exe

  • Size

    877KB

  • MD5

    433fdfa6cf0c539c304185819b09687c

  • SHA1

    a0525948a1c38c66e9ac87ce68e71ce7013c4f80

  • SHA256

    bea0d686590f15a41aafe31587221d612985e7bbf4a8201313f9083523f57fa5

  • SHA512

    605ba69131f154ec55388985506bc10f7e1221db8e157531eb15701e202d5d973b39cf6f22740e181fd93afbfb611bcd80cc26ca9524d5a7ae8929639edf3745

  • SSDEEP

    12288:uIgENm65z6CLKVoHK7zyknZXqmql/sKUQUvRsWcboEk2s7yto91RoBWuM:xZOVPGknZXqfZdUfOEEk2kyO1RoBD

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.spamora.net
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Emotion22

Signatures

  • AgentTesla

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

  • AgentTesla payload 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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 3 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\433fdfa6cf0c539c304185819b09687c_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\433fdfa6cf0c539c304185819b09687c_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:4616
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KLHzZgvUFrag" /XML "C:\Users\Admin\AppData\Local\Temp\tmp220A.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:4776
    • C:\Users\Admin\AppData\Local\Temp\433fdfa6cf0c539c304185819b09687c_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\433fdfa6cf0c539c304185819b09687c_JaffaCakes118.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:4276

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\433fdfa6cf0c539c304185819b09687c_JaffaCakes118.exe.log

          Filesize

          1KB

          MD5

          17573558c4e714f606f997e5157afaac

          SHA1

          13e16e9415ceef429aaf124139671ebeca09ed23

          SHA256

          c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553

          SHA512

          f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

        • C:\Users\Admin\AppData\Local\Temp\tmp220A.tmp

          Filesize

          1KB

          MD5

          f0bc124e2f241388596b82b000dd8cc1

          SHA1

          cb4a655d8cfd92ccf6135b135575e7e5188d9ffc

          SHA256

          a24396bbcded2967c5411aa1985690e788e0369fdb1ee5e2f623c98176583f5a

          SHA512

          0511721645be5639bbd7fdf4fa2e6c1a5af69ee28a3793be65900388e83b262d66533ef57687e329767c2c546f170f6049d3ba37c867ea5b4b703c40cad6ec89

        • C:\Users\Admin\AppData\Roaming\MLdAu\MLdAu.exe

          Filesize

          877KB

          MD5

          433fdfa6cf0c539c304185819b09687c

          SHA1

          a0525948a1c38c66e9ac87ce68e71ce7013c4f80

          SHA256

          bea0d686590f15a41aafe31587221d612985e7bbf4a8201313f9083523f57fa5

          SHA512

          605ba69131f154ec55388985506bc10f7e1221db8e157531eb15701e202d5d973b39cf6f22740e181fd93afbfb611bcd80cc26ca9524d5a7ae8929639edf3745

        • memory/4276-26-0x0000000074A40000-0x00000000751F0000-memory.dmp

          Filesize

          7.7MB

        • memory/4276-30-0x0000000006060000-0x00000000060B0000-memory.dmp

          Filesize

          320KB

        • memory/4276-27-0x0000000074A40000-0x00000000751F0000-memory.dmp

          Filesize

          7.7MB

        • memory/4276-31-0x0000000074A40000-0x00000000751F0000-memory.dmp

          Filesize

          7.7MB

        • memory/4276-24-0x0000000004F10000-0x0000000004F28000-memory.dmp

          Filesize

          96KB

        • memory/4276-25-0x0000000005BB0000-0x0000000005C16000-memory.dmp

          Filesize

          408KB

        • memory/4276-23-0x0000000074A40000-0x00000000751F0000-memory.dmp

          Filesize

          7.7MB

        • memory/4276-32-0x0000000074A40000-0x00000000751F0000-memory.dmp

          Filesize

          7.7MB

        • memory/4276-21-0x0000000074A40000-0x00000000751F0000-memory.dmp

          Filesize

          7.7MB

        • memory/4276-18-0x0000000000400000-0x000000000043C000-memory.dmp

          Filesize

          240KB

        • memory/4616-6-0x0000000004E30000-0x0000000004E86000-memory.dmp

          Filesize

          344KB

        • memory/4616-7-0x0000000074A40000-0x00000000751F0000-memory.dmp

          Filesize

          7.7MB

        • memory/4616-11-0x0000000006710000-0x00000000067AE000-memory.dmp

          Filesize

          632KB

        • memory/4616-22-0x0000000074A40000-0x00000000751F0000-memory.dmp

          Filesize

          7.7MB

        • memory/4616-10-0x0000000074A40000-0x00000000751F0000-memory.dmp

          Filesize

          7.7MB

        • memory/4616-9-0x0000000074A4E000-0x0000000074A4F000-memory.dmp

          Filesize

          4KB

        • memory/4616-8-0x00000000065D0000-0x00000000065E6000-memory.dmp

          Filesize

          88KB

        • memory/4616-12-0x0000000008D00000-0x0000000008D3C000-memory.dmp

          Filesize

          240KB

        • memory/4616-0-0x0000000074A4E000-0x0000000074A4F000-memory.dmp

          Filesize

          4KB

        • memory/4616-5-0x0000000004BB0000-0x0000000004BBA000-memory.dmp

          Filesize

          40KB

        • memory/4616-4-0x0000000004C50000-0x0000000004CE2000-memory.dmp

          Filesize

          584KB

        • memory/4616-3-0x0000000005160000-0x0000000005704000-memory.dmp

          Filesize

          5.6MB

        • memory/4616-2-0x0000000004B10000-0x0000000004BAC000-memory.dmp

          Filesize

          624KB

        • memory/4616-1-0x0000000000070000-0x0000000000152000-memory.dmp

          Filesize

          904KB