Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/10/2024, 13:27

General

  • Target

    8329877a0fa230bc28caff5e76523ca3_JaffaCakes118.exe

  • Size

    826KB

  • MD5

    8329877a0fa230bc28caff5e76523ca3

  • SHA1

    4fa6fd72956d1f138745679cb74432a2d51c48e7

  • SHA256

    cb2b905ccd8efafd5533e3d1035c449368e8d92a9948389c7702dbd7a86e226a

  • SHA512

    97c1c8a2e2e4459b35713a9d8541ee30093813b2fe4e283bf5928048d9d533a2b36b0ad7587df60fd2d66299cbc7717a791f63f9cf315d5de093d155fa7f3dcb

  • SSDEEP

    12288:Ym76DUrIYakGBJxUMr/6nI5PDoq77aWhPDpAf9YJK1bCeHK7z:YE6UI5JmMr/4mcq7OyvQa

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Agenttesla family
  • AgentTesla payload 1 IoCs
  • 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
  • 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8329877a0fa230bc28caff5e76523ca3_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\8329877a0fa230bc28caff5e76523ca3_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:840
    • C:\Users\Admin\AppData\Local\Temp\8329877a0fa230bc28caff5e76523ca3_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\8329877a0fa230bc28caff5e76523ca3_JaffaCakes118.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:4112

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/840-10-0x0000000075360000-0x0000000075B10000-memory.dmp

          Filesize

          7.7MB

        • memory/840-8-0x0000000005DF0000-0x0000000005E06000-memory.dmp

          Filesize

          88KB

        • memory/840-2-0x0000000005A10000-0x0000000005AAC000-memory.dmp

          Filesize

          624KB

        • memory/840-3-0x0000000006090000-0x0000000006634000-memory.dmp

          Filesize

          5.6MB

        • memory/840-4-0x0000000005AE0000-0x0000000005B72000-memory.dmp

          Filesize

          584KB

        • memory/840-5-0x00000000059F0000-0x00000000059FA000-memory.dmp

          Filesize

          40KB

        • memory/840-6-0x0000000075360000-0x0000000075B10000-memory.dmp

          Filesize

          7.7MB

        • memory/840-12-0x00000000070F0000-0x000000000712C000-memory.dmp

          Filesize

          240KB

        • memory/840-11-0x00000000072E0000-0x0000000007382000-memory.dmp

          Filesize

          648KB

        • memory/840-9-0x000000007536E000-0x000000007536F000-memory.dmp

          Filesize

          4KB

        • memory/840-1-0x0000000000F80000-0x0000000001054000-memory.dmp

          Filesize

          848KB

        • memory/840-0-0x000000007536E000-0x000000007536F000-memory.dmp

          Filesize

          4KB

        • memory/840-7-0x0000000005CF0000-0x0000000005D46000-memory.dmp

          Filesize

          344KB

        • memory/840-16-0x0000000075360000-0x0000000075B10000-memory.dmp

          Filesize

          7.7MB

        • memory/4112-15-0x0000000075360000-0x0000000075B10000-memory.dmp

          Filesize

          7.7MB

        • memory/4112-13-0x0000000000400000-0x000000000043C000-memory.dmp

          Filesize

          240KB

        • memory/4112-17-0x0000000075360000-0x0000000075B10000-memory.dmp

          Filesize

          7.7MB

        • memory/4112-18-0x00000000051B0000-0x00000000051C8000-memory.dmp

          Filesize

          96KB

        • memory/4112-19-0x0000000005420000-0x0000000005486000-memory.dmp

          Filesize

          408KB

        • memory/4112-20-0x0000000075360000-0x0000000075B10000-memory.dmp

          Filesize

          7.7MB

        • memory/4112-21-0x0000000075360000-0x0000000075B10000-memory.dmp

          Filesize

          7.7MB

        • memory/4112-22-0x00000000061A0000-0x00000000061F0000-memory.dmp

          Filesize

          320KB

        • memory/4112-23-0x0000000075360000-0x0000000075B10000-memory.dmp

          Filesize

          7.7MB