Analysis

  • max time kernel
    68s
  • max time network
    64s
  • platform
    windows7_x64
  • resource
    win7-20230703-en
  • resource tags

    arch:x64arch:x86image:win7-20230703-enlocale:en-usos:windows7-x64system
  • submitted
    06/07/2023, 13:24

General

  • Target
    45c87614da1d77c97f2b3faedf5b8577e305468ff8f7f04088afcc84ccdf67af.exe
  • Size 915KB
  • Sample230706-qned6abe37
  • SHA256 45c87614da1d77c97f2b3faedf5b8577e305468ff8f7f04088afcc84ccdf67af
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • agenttesla

C2
  • https://api.telegram.org/bot5843567515:AAEdtJWwcJKNn64U81CKVdG-li_Ejds8raM/

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
  • 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
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 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\45c87614da1d77c97f2b3faedf5b8577e305468ff8f7f04088afcc84ccdf67af.exe
    "C:\Users\Admin\AppData\Local\Temp\45c87614da1d77c97f2b3faedf5b8577e305468ff8f7f04088afcc84ccdf67af.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1380
    • C:\Users\Admin\AppData\Local\Temp\45c87614da1d77c97f2b3faedf5b8577e305468ff8f7f04088afcc84ccdf67af.exe
      "C:\Users\Admin\AppData\Local\Temp\45c87614da1d77c97f2b3faedf5b8577e305468ff8f7f04088afcc84ccdf67af.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:2276

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/1380-54-0x0000000000800000-0x00000000008EA000-memory.dmp

        memory/1380-55-0x0000000004D40000-0x0000000004D80000-memory.dmp

        memory/1380-56-0x0000000001EC0000-0x0000000001ED6000-memory.dmp

        memory/1380-57-0x0000000004D40000-0x0000000004D80000-memory.dmp

        memory/1380-58-0x00000000007F0000-0x00000000007FC000-memory.dmp

        memory/1380-59-0x0000000005750000-0x00000000057BA000-memory.dmp

        memory/1380-60-0x0000000004D10000-0x0000000004D42000-memory.dmp

        memory/2276-61-0x0000000000400000-0x0000000000430000-memory.dmp

        memory/2276-62-0x0000000000400000-0x0000000000430000-memory.dmp

        memory/2276-63-0x0000000000400000-0x0000000000430000-memory.dmp

        memory/2276-64-0x0000000000400000-0x0000000000430000-memory.dmp

        memory/2276-65-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        memory/2276-66-0x0000000000400000-0x0000000000430000-memory.dmp

        memory/2276-68-0x0000000000400000-0x0000000000430000-memory.dmp

        memory/2276-70-0x0000000000400000-0x0000000000430000-memory.dmp

        memory/2276-71-0x0000000000370000-0x00000000003B0000-memory.dmp

        memory/2276-72-0x0000000000370000-0x00000000003B0000-memory.dmp