Analysis

  • max time kernel
    31s
  • max time network
    134s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    30-05-2023 16:39

General

  • Target

    tomfile.exe

  • Size

    166KB

  • MD5

    dbac78b80bba1ebbfbdea78d5e86dd14

  • SHA1

    09e489de9511702d00eb583bc1fa3804e3eec6ae

  • SHA256

    e488357deab9f51c660ede6e32a4215c1e756fe1b16e4ffba6728c1edcf7e1c3

  • SHA512

    ae11aff2fcd49126e621da85068bd6da7f7132f5e077f0664e052a0786a3ed8886e12d383af7e514f5109cf66c659da61c2a046f528d047deeaa638d58e6cf8d

  • SSDEEP

    3072:731kYwmB7kImW2GoxLXQRv9ZnqOMWxMjZOalg52HQlidzS41nS1O763PTPEOsamz:731kUQRt8Rv9ZnqOMWxMjZOalg52HQlk

Malware Config

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 behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\tomfile.exe
    "C:\Users\Admin\AppData\Local\Temp\tomfile.exe"
    1⤵
    • Accesses Microsoft Outlook profiles
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • outlook_office_path
    • outlook_win_path
    PID:832

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/832-54-0x0000000000A40000-0x0000000000A70000-memory.dmp

    Filesize

    192KB

  • memory/832-55-0x0000000000970000-0x00000000009B0000-memory.dmp

    Filesize

    256KB

  • memory/832-76-0x0000000000970000-0x00000000009B0000-memory.dmp

    Filesize

    256KB