Analysis

  • max time kernel
    100s
  • max time network
    115s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    01/09/2022, 04:33

General

  • Target
    SecuriteInfo.com.W32.AIDetectNet.01.15861.29917.exe
  • Size 1.2MB
  • Sample220901-e6hzhsabg4
  • SHA256 03769c014c17ced8eabe8d2bc442c7bfc5e211e817c1ec9271654d9aec164ea2
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • agenttesla

C2
  • https://api.telegram.org/bot5486404138:AAGTJuWzOAVJUs872Z8j0ytl0Xc6M51Ldfs/sendDocument

Signatures

  • AgentTesla

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

  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 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\SecuriteInfo.com.W32.AIDetectNet.01.15861.29917.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.AIDetectNet.01.15861.29917.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1016
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.AIDetectNet.01.15861.29917.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.AIDetectNet.01.15861.29917.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:1128

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/1016-54-0x0000000000870000-0x00000000009A0000-memory.dmp

        memory/1016-55-0x00000000756B1000-0x00000000756B3000-memory.dmp

        memory/1016-56-0x0000000001DA0000-0x0000000001DB8000-memory.dmp

        memory/1016-57-0x0000000000680000-0x000000000068C000-memory.dmp

        memory/1016-58-0x0000000007EA0000-0x0000000007F34000-memory.dmp

        memory/1016-59-0x0000000004590000-0x00000000045CC000-memory.dmp

        memory/1128-60-0x0000000000400000-0x000000000043A000-memory.dmp

        memory/1128-61-0x0000000000400000-0x000000000043A000-memory.dmp

        memory/1128-63-0x0000000000400000-0x000000000043A000-memory.dmp

        memory/1128-64-0x0000000000400000-0x000000000043A000-memory.dmp

        memory/1128-65-0x0000000000400000-0x000000000043A000-memory.dmp

        memory/1128-68-0x0000000000400000-0x000000000043A000-memory.dmp

        memory/1128-70-0x0000000000400000-0x000000000043A000-memory.dmp