Analysis

  • max time kernel
    140s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    25-10-2021 12:51

General

  • Target

    9c8282590f9bc40955ca14389309fe86.exe

  • Size

    140KB

  • MD5

    9c8282590f9bc40955ca14389309fe86

  • SHA1

    078e9d1dfbad7293f96040454778134a2d124e4a

  • SHA256

    2da74da0966fc748461e65e8e46d49f6fba1c50b3a7473df905205eec1fad3b9

  • SHA512

    91aaf688307b946eab0b07564caf07fb197101eacc64000e33c3346a977a2cfb8fbad9049f7fc21ddcd4e90ac6bafde2e1111749c89be19c5ab0503037b244c6

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.sinyar.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Sin@254#Sa2

Signatures

  • AgentTesla

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

  • AgentTesla Payload 5 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 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9c8282590f9bc40955ca14389309fe86.exe
    "C:\Users\Admin\AppData\Local\Temp\9c8282590f9bc40955ca14389309fe86.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:792
    • C:\Users\Admin\AppData\Local\Temp\9c8282590f9bc40955ca14389309fe86.exe
      C:\Users\Admin\AppData\Local\Temp\9c8282590f9bc40955ca14389309fe86.exe
      2⤵
        PID:396
      • C:\Users\Admin\AppData\Local\Temp\9c8282590f9bc40955ca14389309fe86.exe
        C:\Users\Admin\AppData\Local\Temp\9c8282590f9bc40955ca14389309fe86.exe
        2⤵
          PID:988
        • C:\Users\Admin\AppData\Local\Temp\9c8282590f9bc40955ca14389309fe86.exe
          C:\Users\Admin\AppData\Local\Temp\9c8282590f9bc40955ca14389309fe86.exe
          2⤵
          • Accesses Microsoft Outlook profiles
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • outlook_office_path
          • outlook_win_path
          PID:1816

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/792-54-0x0000000000100000-0x0000000000101000-memory.dmp

        Filesize

        4KB

      • memory/792-56-0x00000000757B1000-0x00000000757B3000-memory.dmp

        Filesize

        8KB

      • memory/792-57-0x00000000046A0000-0x00000000046A1000-memory.dmp

        Filesize

        4KB

      • memory/792-58-0x00000000051D0000-0x0000000005226000-memory.dmp

        Filesize

        344KB

      • memory/792-59-0x0000000001E40000-0x0000000001E64000-memory.dmp

        Filesize

        144KB

      • memory/1816-60-0x0000000000400000-0x000000000043C000-memory.dmp

        Filesize

        240KB

      • memory/1816-61-0x0000000000400000-0x000000000043C000-memory.dmp

        Filesize

        240KB

      • memory/1816-62-0x0000000000400000-0x000000000043C000-memory.dmp

        Filesize

        240KB

      • memory/1816-63-0x0000000000400000-0x000000000043C000-memory.dmp

        Filesize

        240KB

      • memory/1816-64-0x0000000000400000-0x000000000043C000-memory.dmp

        Filesize

        240KB

      • memory/1816-65-0x000000000043760E-mapping.dmp

      • memory/1816-66-0x0000000000400000-0x000000000043C000-memory.dmp

        Filesize

        240KB

      • memory/1816-68-0x0000000000380000-0x0000000000381000-memory.dmp

        Filesize

        4KB

      • memory/1816-69-0x0000000000381000-0x0000000000382000-memory.dmp

        Filesize

        4KB