Analysis

  • max time kernel
    142s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    20-05-2022 23:36

General

  • Target

    AGENCY APPOINTMENT - MT Petrolimex 15 due - est PD_pdf.exe

  • Size

    759KB

  • MD5

    5785ea17f322e4fc76c66b244b04225d

  • SHA1

    b6572e09ed29587efb9b2fd6dc3fd544337b4718

  • SHA256

    6ec3ac81ecedb31e97391ccfea358b309f88fd236adafa46f4624c7f5b05a81d

  • SHA512

    ed9aafde869d79adb0b2b9bd15cfa3c6280417da415ad4ef767763101132a9d2c985ae1769336d460bf60497a9321faba01b5f33956a354e323ee7081d33c2cc

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    fingersawumen101

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
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 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\AGENCY APPOINTMENT - MT Petrolimex 15 due - est PD_pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\AGENCY APPOINTMENT - MT Petrolimex 15 due - est PD_pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1460
    • C:\Users\Admin\AppData\Local\Temp\AGENCY APPOINTMENT - MT Petrolimex 15 due - est PD_pdf.exe
      "{path}"
      2⤵
        PID:1860
      • C:\Users\Admin\AppData\Local\Temp\AGENCY APPOINTMENT - MT Petrolimex 15 due - est PD_pdf.exe
        "{path}"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • outlook_office_path
        • outlook_win_path
        PID:1716

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1460-54-0x0000000000D00000-0x0000000000DC4000-memory.dmp
      Filesize

      784KB

    • memory/1460-55-0x00000000002F0000-0x00000000002F8000-memory.dmp
      Filesize

      32KB

    • memory/1460-56-0x0000000000A80000-0x0000000000AD4000-memory.dmp
      Filesize

      336KB

    • memory/1716-57-0x0000000000400000-0x000000000044C000-memory.dmp
      Filesize

      304KB

    • memory/1716-58-0x0000000000400000-0x000000000044C000-memory.dmp
      Filesize

      304KB

    • memory/1716-60-0x0000000000400000-0x000000000044C000-memory.dmp
      Filesize

      304KB

    • memory/1716-61-0x0000000000400000-0x000000000044C000-memory.dmp
      Filesize

      304KB

    • memory/1716-62-0x0000000000400000-0x000000000044C000-memory.dmp
      Filesize

      304KB

    • memory/1716-63-0x00000000004474FE-mapping.dmp
    • memory/1716-65-0x0000000000400000-0x000000000044C000-memory.dmp
      Filesize

      304KB

    • memory/1716-67-0x0000000000400000-0x000000000044C000-memory.dmp
      Filesize

      304KB

    • memory/1716-68-0x00000000769D1000-0x00000000769D3000-memory.dmp
      Filesize

      8KB