Analysis

  • max time kernel
    183s
  • max time network
    192s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 00:26

General

  • Target

    Delivery Note AWD-29383737383-3736783833.exe

  • Size

    701KB

  • MD5

    92c1e6f3ae1ff35dd61e1d86252dc905

  • SHA1

    4e88fe64b1c3f610758a2adcf816badd73a02da1

  • SHA256

    1c0d5a3dc1ac2c2b4a3eca709767ac255b6d73fc1a7f24181ff58627343f7dac

  • SHA512

    b088de9a4daaff4ffd275ff4eb534e9beb27b4e189ddb3f1f29c504878f478834ed596e7795f347bc25b563dfb139375936882d11804f7d6596197788bfdc5c6

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.airporations.com/
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    boygirl123456

  • Protocol:
    ftp
  • Host:
    ftp://ftp.airporations.com/
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    boygirl123456

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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Delivery Note AWD-29383737383-3736783833.exe
    "C:\Users\Admin\AppData\Local\Temp\Delivery Note AWD-29383737383-3736783833.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2932
    • C:\Users\Admin\AppData\Local\Temp\Delivery Note AWD-29383737383-3736783833.exe
      "{path}"
      2⤵
        PID:2900
      • C:\Users\Admin\AppData\Local\Temp\Delivery Note AWD-29383737383-3736783833.exe
        "{path}"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:3060

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2900-135-0x0000000000000000-mapping.dmp

    • memory/2932-130-0x0000000000DB0000-0x0000000000E66000-memory.dmp

      Filesize

      728KB

    • memory/2932-131-0x0000000005D10000-0x00000000062B4000-memory.dmp

      Filesize

      5.6MB

    • memory/2932-132-0x0000000005BB0000-0x0000000005C42000-memory.dmp

      Filesize

      584KB

    • memory/2932-133-0x0000000006450000-0x00000000065D6000-memory.dmp

      Filesize

      1.5MB

    • memory/2932-134-0x00000000062C0000-0x000000000635C000-memory.dmp

      Filesize

      624KB

    • memory/3060-136-0x0000000000000000-mapping.dmp

    • memory/3060-137-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/3060-138-0x00000000063D0000-0x0000000006436000-memory.dmp

      Filesize

      408KB

    • memory/3060-139-0x0000000006B10000-0x0000000006B60000-memory.dmp

      Filesize

      320KB

    • memory/3060-140-0x0000000006B00000-0x0000000006B0A000-memory.dmp

      Filesize

      40KB