Analysis

  • max time kernel
    192s
  • max time network
    201s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 01:33

General

  • Target

    QUOTATION REQUEST.exe

  • Size

    424KB

  • MD5

    3a4e3b96e1f4aa109749e5035e217f89

  • SHA1

    1636287594a0f1fd960b2509a9b02fb769d79d79

  • SHA256

    14dc3be5ce8ed2b8c0f9ec3a4e630c2dc9e613de58d8220e0b8d28fa51c6752e

  • SHA512

    6525290542849bc7d2e00e3b458be8f477edb176ef916c4f4d0b42d3146283d71737ef9e301e2e73950da292b0a58a25961ddda7e3fcc9303abb38a7bcfd53d6

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    sguoijimpgucxufa

Signatures

  • AgentTesla

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

  • AgentTesla Payload 1 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\QUOTATION REQUEST.exe
    "C:\Users\Admin\AppData\Local\Temp\QUOTATION REQUEST.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4732
    • C:\Users\Admin\AppData\Local\Temp\QUOTATION REQUEST.exe
      "{path}"
      2⤵
        PID:4224
      • C:\Users\Admin\AppData\Local\Temp\QUOTATION REQUEST.exe
        "{path}"
        2⤵
          PID:3108
        • C:\Users\Admin\AppData\Local\Temp\QUOTATION REQUEST.exe
          "{path}"
          2⤵
          • Accesses Microsoft Outlook profiles
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • outlook_office_path
          • outlook_win_path
          PID:4084

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/3108-132-0x0000000000000000-mapping.dmp
      • memory/4084-133-0x0000000000000000-mapping.dmp
      • memory/4084-134-0x0000000000400000-0x000000000044C000-memory.dmp
        Filesize

        304KB

      • memory/4084-135-0x00000000753F0000-0x00000000759A1000-memory.dmp
        Filesize

        5.7MB

      • memory/4224-131-0x0000000000000000-mapping.dmp
      • memory/4732-130-0x00000000753F0000-0x00000000759A1000-memory.dmp
        Filesize

        5.7MB