Analysis

  • max time kernel
    132s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    20-05-2022 23:32

General

  • Target

    P O 05884-20.pdf.exe

  • Size

    583KB

  • MD5

    994c6ca8658a5d58f91b5f3993aa4000

  • SHA1

    96220f118494e372964806294d205341af5a7dfa

  • SHA256

    aabe14b147b240cb1c6bb3f2b55c5abe8126e5507c6b346a07dd426ca1da6fb1

  • SHA512

    69f2e8a91000d7f3fe5ae885d4c78c6f0f417d1115e49c1c0570dcd3ad82646eefb0bf3af972645b7e814fe9cc9cd1f4434cf346977ab71f9e9c07b56417ef73

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.ru
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    kingmoney12345

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\P O 05884-20.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\P O 05884-20.pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1556
    • C:\Users\Admin\AppData\Local\Temp\P O 05884-20.pdf.exe
      "{path}"
      2⤵
        PID:2012
      • C:\Users\Admin\AppData\Local\Temp\P O 05884-20.pdf.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:2016

    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/1556-54-0x0000000000040000-0x00000000000D8000-memory.dmp
      Filesize

      608KB

    • memory/1556-55-0x0000000000560000-0x0000000000568000-memory.dmp
      Filesize

      32KB

    • memory/1556-56-0x00000000048C0000-0x000000000492E000-memory.dmp
      Filesize

      440KB

    • memory/1556-57-0x0000000000630000-0x0000000000686000-memory.dmp
      Filesize

      344KB

    • memory/2016-58-0x0000000000400000-0x000000000044C000-memory.dmp
      Filesize

      304KB

    • memory/2016-59-0x0000000000400000-0x000000000044C000-memory.dmp
      Filesize

      304KB

    • memory/2016-61-0x0000000000400000-0x000000000044C000-memory.dmp
      Filesize

      304KB

    • memory/2016-62-0x0000000000400000-0x000000000044C000-memory.dmp
      Filesize

      304KB

    • memory/2016-64-0x000000000044728E-mapping.dmp
    • memory/2016-63-0x0000000000400000-0x000000000044C000-memory.dmp
      Filesize

      304KB

    • memory/2016-66-0x0000000000400000-0x000000000044C000-memory.dmp
      Filesize

      304KB

    • memory/2016-68-0x0000000000400000-0x000000000044C000-memory.dmp
      Filesize

      304KB

    • memory/2016-69-0x00000000761F1000-0x00000000761F3000-memory.dmp
      Filesize

      8KB