Analysis

  • max time kernel
    181s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    20-05-2022 23:45

General

  • Target

    Invoice.exe

  • Size

    548KB

  • MD5

    6d0107457500e7cdcc1fd9fafc72310d

  • SHA1

    cf6ab74502bc3ab503106dd2c294f71a744acbee

  • SHA256

    44301664a4fb5c224f1b6f29a6fb87496874599032c8ec0f093f9a4be5b94612

  • SHA512

    34cac6058ba06e32315fa1e200bfa4d77b12fcce3ffe4727faaf9fd4ea6f63d3932f785d0219bb8c746d8b8b60fa7b8c3f73fa6b77cc0b5500968331b49bee15

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.albaniandailynews.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    125875.jUkT

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • AgentTesla Payload 6 IoCs
  • 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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 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 behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:964
    • C:\Users\Admin\AppData\Local\Temp\Invoice.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:692
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" wlan show profile
        3⤵
          PID:872

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Credential Access

    Credentials in Files

    3
    T1081

    Collection

    Data from Local System

    3
    T1005

    Email Collection

    1
    T1114

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/692-64-0x0000000000400000-0x0000000000450000-memory.dmp
      Filesize

      320KB

    • memory/692-63-0x0000000000400000-0x0000000000450000-memory.dmp
      Filesize

      320KB

    • memory/692-69-0x0000000000400000-0x0000000000450000-memory.dmp
      Filesize

      320KB

    • memory/692-67-0x0000000000400000-0x0000000000450000-memory.dmp
      Filesize

      320KB

    • memory/692-62-0x0000000000400000-0x0000000000450000-memory.dmp
      Filesize

      320KB

    • memory/692-59-0x0000000000400000-0x0000000000450000-memory.dmp
      Filesize

      320KB

    • memory/692-65-0x000000000044A4BE-mapping.dmp
    • memory/692-60-0x0000000000400000-0x0000000000450000-memory.dmp
      Filesize

      320KB

    • memory/872-71-0x0000000000000000-mapping.dmp
    • memory/964-55-0x00000000751C1000-0x00000000751C3000-memory.dmp
      Filesize

      8KB

    • memory/964-54-0x0000000000140000-0x00000000001D0000-memory.dmp
      Filesize

      576KB

    • memory/964-58-0x0000000000500000-0x000000000055A000-memory.dmp
      Filesize

      360KB

    • memory/964-57-0x0000000004840000-0x00000000048B8000-memory.dmp
      Filesize

      480KB

    • memory/964-56-0x00000000003E0000-0x00000000003E8000-memory.dmp
      Filesize

      32KB