Analysis

  • max time kernel
    117s
  • max time network
    130s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    16/10/2024, 01:32

General

  • Target

    3b233c5cc8b85a8020975ed736b93644fdae180f1d6f5190d91a3512e813ba8a.exe

  • Size

    639KB

  • MD5

    d91288a26f3bba21b1b1a0370ad76e53

  • SHA1

    4732007644e147cd49b9f04256be558859be3fba

  • SHA256

    3b233c5cc8b85a8020975ed736b93644fdae180f1d6f5190d91a3512e813ba8a

  • SHA512

    fe5e95d982e5b73c29010e97652b6bcc435b90a73659099519ab1d112354416ca9d32bded3ddc475bbb002ecd4e31372bb2388d224e71efe889ca7a599e62f89

  • SSDEEP

    12288:Pcir1S2IoOAc6/5rZGmy4c/uZno/+gwbFYgcPGcJUOO7aSMf5AzKcWBBcKN2O0CK:6/u9o2LFYZnO5qnbkKKk0

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5834796283:AAGrwY-Kkn2VgcNc7OCI3d_ssicyDA9JZcg/

Signatures

  • AgentTesla

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • 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.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3b233c5cc8b85a8020975ed736b93644fdae180f1d6f5190d91a3512e813ba8a.exe
    "C:\Users\Admin\AppData\Local\Temp\3b233c5cc8b85a8020975ed736b93644fdae180f1d6f5190d91a3512e813ba8a.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2824
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\3b233c5cc8b85a8020975ed736b93644fdae180f1d6f5190d91a3512e813ba8a.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2808
    • C:\Users\Admin\AppData\Local\Temp\3b233c5cc8b85a8020975ed736b93644fdae180f1d6f5190d91a3512e813ba8a.exe
      "C:\Users\Admin\AppData\Local\Temp\3b233c5cc8b85a8020975ed736b93644fdae180f1d6f5190d91a3512e813ba8a.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:2584

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/2584-11-0x0000000000400000-0x0000000000430000-memory.dmp

          Filesize

          192KB

        • memory/2584-7-0x0000000000400000-0x0000000000430000-memory.dmp

          Filesize

          192KB

        • memory/2584-28-0x0000000073F40000-0x000000007462E000-memory.dmp

          Filesize

          6.9MB

        • memory/2584-17-0x0000000000400000-0x0000000000430000-memory.dmp

          Filesize

          192KB

        • memory/2584-23-0x0000000073F40000-0x000000007462E000-memory.dmp

          Filesize

          6.9MB

        • memory/2584-25-0x0000000073F40000-0x000000007462E000-memory.dmp

          Filesize

          6.9MB

        • memory/2584-9-0x0000000000400000-0x0000000000430000-memory.dmp

          Filesize

          192KB

        • memory/2584-22-0x0000000000400000-0x0000000000430000-memory.dmp

          Filesize

          192KB

        • memory/2584-19-0x0000000000400000-0x0000000000430000-memory.dmp

          Filesize

          192KB

        • memory/2584-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

        • memory/2584-13-0x0000000000400000-0x0000000000430000-memory.dmp

          Filesize

          192KB

        • memory/2824-3-0x0000000073F4E000-0x0000000073F4F000-memory.dmp

          Filesize

          4KB

        • memory/2824-0-0x0000000073F4E000-0x0000000073F4F000-memory.dmp

          Filesize

          4KB

        • memory/2824-1-0x00000000008B0000-0x0000000000956000-memory.dmp

          Filesize

          664KB

        • memory/2824-6-0x00000000050E0000-0x0000000005152000-memory.dmp

          Filesize

          456KB

        • memory/2824-24-0x0000000073F40000-0x000000007462E000-memory.dmp

          Filesize

          6.9MB

        • memory/2824-5-0x0000000000590000-0x00000000005A2000-memory.dmp

          Filesize

          72KB

        • memory/2824-4-0x0000000073F40000-0x000000007462E000-memory.dmp

          Filesize

          6.9MB

        • memory/2824-2-0x0000000073F40000-0x000000007462E000-memory.dmp

          Filesize

          6.9MB