Analysis

  • max time kernel
    135s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/06/2023, 09:38

General

  • Target
    Invoice.exe
  • Size 743KB
  • Sample230612-ll3lrabc33
  • SHA256 12bf15f7a36dde34a0ab6dde0192fd9769c68e124cbedf9a08bf9a2930ee2b9f
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • agenttesla

Credentials

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
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 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\Invoice.exe
    "C:\Users\Admin\AppData\Local\Temp\Invoice.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2108
    • C:\Users\Admin\AppData\Local\Temp\Invoice.exe
      "C:\Users\Admin\AppData\Local\Temp\Invoice.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1596

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        Invoice.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Invoice.exe.log
        • Size 1KB
        • SHA256 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
        • MD5 SHA1 SHA512

        memory/1596-140-0x0000000000400000-0x0000000000430000-memory.dmp

        memory/1596-147-0x00000000055F0000-0x0000000005600000-memory.dmp

        memory/1596-146-0x00000000064B0000-0x0000000006672000-memory.dmp

        memory/1596-145-0x0000000006290000-0x00000000062E0000-memory.dmp

        memory/1596-144-0x00000000055F0000-0x0000000005600000-memory.dmp

        memory/1596-143-0x0000000005480000-0x00000000054E6000-memory.dmp

        memory/2108-136-0x0000000004F50000-0x0000000004F5A000-memory.dmp

        memory/2108-139-0x0000000006B50000-0x0000000006BEC000-memory.dmp

        memory/2108-138-0x0000000004FC0000-0x0000000004FD0000-memory.dmp

        memory/2108-137-0x0000000004FC0000-0x0000000004FD0000-memory.dmp

        memory/2108-133-0x0000000000440000-0x0000000000500000-memory.dmp

        memory/2108-135-0x0000000004EB0000-0x0000000004F42000-memory.dmp

        memory/2108-134-0x0000000005370000-0x0000000005914000-memory.dmp