Analysis

  • max time kernel
    58s
  • max time network
    30s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    15/06/2023, 06:02

General

  • Target
    dyWKIckZctKYk7g.exe
  • Size 765KB
  • Sample230615-grfxqaeg88
  • SHA256 b72c1734f74d8174d1feb0775148c56903fa6edd409d1598cccff025f30d6cc5
  • 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 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\dyWKIckZctKYk7g.exe
    "C:\Users\Admin\AppData\Local\Temp\dyWKIckZctKYk7g.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2028
    • C:\Users\Admin\AppData\Local\Temp\dyWKIckZctKYk7g.exe
      "C:\Users\Admin\AppData\Local\Temp\dyWKIckZctKYk7g.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:268

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/268-66-0x0000000000400000-0x0000000000430000-memory.dmp

        memory/268-68-0x0000000000400000-0x0000000000430000-memory.dmp

        memory/268-72-0x00000000003C0000-0x0000000000400000-memory.dmp

        memory/268-71-0x00000000003C0000-0x0000000000400000-memory.dmp

        memory/268-70-0x0000000000400000-0x0000000000430000-memory.dmp

        memory/268-64-0x0000000000400000-0x0000000000430000-memory.dmp

        memory/268-65-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        memory/268-61-0x0000000000400000-0x0000000000430000-memory.dmp

        memory/268-62-0x0000000000400000-0x0000000000430000-memory.dmp

        memory/268-63-0x0000000000400000-0x0000000000430000-memory.dmp

        memory/2028-55-0x0000000000230000-0x0000000000270000-memory.dmp

        memory/2028-60-0x0000000000810000-0x0000000000860000-memory.dmp

        memory/2028-54-0x0000000000B10000-0x0000000000BD6000-memory.dmp

        memory/2028-59-0x0000000005F00000-0x0000000005F86000-memory.dmp

        memory/2028-58-0x00000000004D0000-0x00000000004DC000-memory.dmp

        memory/2028-57-0x0000000000230000-0x0000000000270000-memory.dmp

        memory/2028-56-0x00000000004B0000-0x00000000004BC000-memory.dmp