Analysis

  • max time kernel
    142s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240319-en
  • resource tags

    arch:x64arch:x86image:win7-20240319-enlocale:en-usos:windows7-x64system
  • submitted
    03/04/2024, 18:48

General

  • Target

    a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118.exe

  • Size

    580KB

  • MD5

    a3c456ecc1486eba53b3f5bfc4239801

  • SHA1

    78183902a79cbe8e80147812e1673fff4ba9578f

  • SHA256

    b5ddeb43afd6bc4075b950d215095d71ab3ba09094d54f979ce9de91df915834

  • SHA512

    ab84a768ad1dc007402c31b4705bb96c65be22a36bba2565e6d8a65dc6951ede3d8f8a35629ead225c1083ee8201c47939f0367e6e8d4075d325512d7ec11550

  • SSDEEP

    12288:JBu1nmJy/NaN03liqqG+feq9ZUws7Ami4IxePCLOBxjA0UnJNfFLJt:JBamCsNgZqHvPH4AoFPCLOBx8V7t

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot1910194363:AAH66amlxNaIwaIfI1AdRKORBzDDVieupMA/sendDocument

Signatures

  • AgentTesla

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

  • AgentTesla payload 6 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 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1796
    • C:\Users\Admin\AppData\Local\Temp\a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\a3c456ecc1486eba53b3f5bfc4239801_JaffaCakes118.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1988

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1796-0-0x0000000000E80000-0x0000000000F18000-memory.dmp

          Filesize

          608KB

        • memory/1796-1-0x0000000074890000-0x0000000074F7E000-memory.dmp

          Filesize

          6.9MB

        • memory/1796-2-0x0000000004720000-0x0000000004760000-memory.dmp

          Filesize

          256KB

        • memory/1796-3-0x00000000004A0000-0x00000000004B8000-memory.dmp

          Filesize

          96KB

        • memory/1796-4-0x0000000074890000-0x0000000074F7E000-memory.dmp

          Filesize

          6.9MB

        • memory/1796-5-0x0000000004720000-0x0000000004760000-memory.dmp

          Filesize

          256KB

        • memory/1796-6-0x0000000005CB0000-0x0000000005D22000-memory.dmp

          Filesize

          456KB

        • memory/1796-21-0x0000000074890000-0x0000000074F7E000-memory.dmp

          Filesize

          6.9MB

        • memory/1988-7-0x0000000000400000-0x000000000043C000-memory.dmp

          Filesize

          240KB

        • memory/1988-19-0x0000000074890000-0x0000000074F7E000-memory.dmp

          Filesize

          6.9MB

        • memory/1988-9-0x0000000000400000-0x000000000043C000-memory.dmp

          Filesize

          240KB

        • memory/1988-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

        • memory/1988-13-0x0000000000400000-0x000000000043C000-memory.dmp

          Filesize

          240KB

        • memory/1988-15-0x0000000000400000-0x000000000043C000-memory.dmp

          Filesize

          240KB

        • memory/1988-17-0x0000000000400000-0x000000000043C000-memory.dmp

          Filesize

          240KB

        • memory/1988-8-0x0000000000400000-0x000000000043C000-memory.dmp

          Filesize

          240KB

        • memory/1988-10-0x0000000000400000-0x000000000043C000-memory.dmp

          Filesize

          240KB

        • memory/1988-20-0x0000000004AB0000-0x0000000004AF0000-memory.dmp

          Filesize

          256KB

        • memory/1988-22-0x0000000074890000-0x0000000074F7E000-memory.dmp

          Filesize

          6.9MB

        • memory/1988-23-0x0000000004AB0000-0x0000000004AF0000-memory.dmp

          Filesize

          256KB

        • memory/1988-24-0x0000000004AB0000-0x0000000004AF0000-memory.dmp

          Filesize

          256KB

        • memory/1988-25-0x0000000004AB0000-0x0000000004AF0000-memory.dmp

          Filesize

          256KB