Analysis

  • max time kernel
    46s
  • max time network
    143s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    15/03/2023, 22:46

General

  • Target
    Invoice & Packing list.exe
  • Size 613KB
  • Sample230315-2py1qsff92
  • SHA256 d37ac5f67be37a7cd0fa09b2d0ffb1e5190caf1abbb2183fd00b0c7a35a204b1
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • agenttesla

C2
  • https://api.telegram.org/bot2134979594:AAFk4QkrlHlt2a-q-EhIoHZBbzxSH0QxiBI/

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 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Invoice & Packing list.exe
    "C:\Users\Admin\AppData\Local\Temp\Invoice & Packing list.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1240
    • C:\Users\Admin\AppData\Local\Temp\Invoice & Packing list.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:580

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/580-63-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        memory/580-61-0x0000000000400000-0x0000000000430000-memory.dmp

        memory/580-87-0x0000000004C50000-0x0000000004C90000-memory.dmp

        memory/580-69-0x0000000004C50000-0x0000000004C90000-memory.dmp

        memory/580-68-0x0000000000400000-0x0000000000430000-memory.dmp

        memory/580-59-0x0000000000400000-0x0000000000430000-memory.dmp

        memory/580-66-0x0000000000400000-0x0000000000430000-memory.dmp

        memory/580-64-0x0000000000400000-0x0000000000430000-memory.dmp

        memory/580-60-0x0000000000400000-0x0000000000430000-memory.dmp

        memory/580-62-0x0000000000400000-0x0000000000430000-memory.dmp

        memory/1240-54-0x0000000001180000-0x0000000001220000-memory.dmp

        memory/1240-55-0x0000000000580000-0x00000000005C0000-memory.dmp

        memory/1240-58-0x0000000000630000-0x0000000000660000-memory.dmp

        memory/1240-57-0x0000000004DD0000-0x0000000004E4C000-memory.dmp

        memory/1240-56-0x0000000000560000-0x000000000056C000-memory.dmp