Analysis

  • max time kernel
    69s
  • max time network
    131s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    21/04/2023, 15:48

General

  • Target
    DHL Shipment.exe
  • Size 621KB
  • Sample230421-s8shmaae2t
  • SHA256 bbdd3c67e8780f70bb81bbd019cc39c40b8efb9653dcef5e625409fc3ceedd10
  • 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
  • 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 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\DHL Shipment.exe
    "C:\Users\Admin\AppData\Local\Temp\DHL Shipment.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1336
    • C:\Users\Admin\AppData\Local\Temp\DHL Shipment.exe
      "C:\Users\Admin\AppData\Local\Temp\DHL Shipment.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:1884

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/1336-54-0x00000000008B0000-0x0000000000952000-memory.dmp

        memory/1336-55-0x0000000004E40000-0x0000000004E80000-memory.dmp

        memory/1336-56-0x00000000005C0000-0x00000000005D2000-memory.dmp

        memory/1336-57-0x00000000005D0000-0x00000000005DC000-memory.dmp

        memory/1336-58-0x0000000004E40000-0x0000000004E80000-memory.dmp

        memory/1336-59-0x0000000005A40000-0x0000000005AAA000-memory.dmp

        memory/1336-60-0x00000000021E0000-0x0000000002212000-memory.dmp

        memory/1884-61-0x0000000000400000-0x0000000000430000-memory.dmp

        memory/1884-62-0x0000000000400000-0x0000000000430000-memory.dmp

        memory/1884-63-0x0000000000400000-0x0000000000430000-memory.dmp

        memory/1884-64-0x0000000000400000-0x0000000000430000-memory.dmp

        memory/1884-65-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        memory/1884-66-0x0000000000400000-0x0000000000430000-memory.dmp

        memory/1884-68-0x0000000000400000-0x0000000000430000-memory.dmp

        memory/1884-70-0x0000000000400000-0x0000000000430000-memory.dmp

        memory/1884-71-0x0000000004CD0000-0x0000000004D10000-memory.dmp

        memory/1884-95-0x0000000004CD0000-0x0000000004D10000-memory.dmp