Analysis

  • max time kernel
    134s
  • max time network
    42s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 00:20

General

  • Target

    RFQ Bag 6.24.20.pdf.exe

  • Size

    725KB

  • MD5

    aa328325ffd6eb33df17a33b37c545b8

  • SHA1

    e8f1a324c26a6ee38a51e7fde77453988c8fb982

  • SHA256

    63df2602ff2676e438e25c4544562736eb3c4da856280600d7790edcd0478914

  • SHA512

    ae2dfae89589ff9487b4f1f9cbcada648681f2be3123389e5da8baf37bbe69bf041e78b3df8acc547b30567394f8c1c7b9d9f4959584c0e01253c477a5f135ca

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    bh-58.webhostbox.net
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    7213575aceACE@#$

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\RFQ Bag 6.24.20.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\RFQ Bag 6.24.20.pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1704
    • C:\Users\Admin\AppData\Local\Temp\RFQ Bag 6.24.20.pdf.exe
      "{path}"
      2⤵
        PID:2000
      • C:\Users\Admin\AppData\Local\Temp\RFQ Bag 6.24.20.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:1968

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1704-54-0x0000000001240000-0x00000000012FC000-memory.dmp

      Filesize

      752KB

    • memory/1704-55-0x00000000755B1000-0x00000000755B3000-memory.dmp

      Filesize

      8KB

    • memory/1704-56-0x0000000000390000-0x000000000039A000-memory.dmp

      Filesize

      40KB

    • memory/1704-57-0x0000000000B20000-0x0000000000B74000-memory.dmp

      Filesize

      336KB

    • memory/1968-61-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/1968-59-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/1968-58-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/1968-63-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/1968-62-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/1968-64-0x0000000000446A9E-mapping.dmp

    • memory/1968-66-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/1968-68-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB