Analysis

  • max time kernel
    300s
  • max time network
    300s
  • platform
    windows7_x64
  • resource
    win7-en-20211104
  • submitted
    03-12-2021 17:21

General

  • Target

    SOA.exe

  • Size

    463KB

  • MD5

    563ace61f357fe73207c546cbec9c0cd

  • SHA1

    6cc9bbe6704f4a54105502672d246e97d3c9688e

  • SHA256

    9beb57914c705bfd2a1bfaca1bd2f4beca2a2cd8dff49229558bca04774a360a

  • SHA512

    a48b165149fdd63b2ea95bafec0b4a22ca615530dabcb206a584d38d8cc3d7f4d1da3b64dc6096eaa4507d9bc98f115930384258873513b64b856b94d6934cda

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.dieseltronic.com.pe
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Asdiesel2019@?%%%,

Signatures

  • AgentTesla

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

  • AgentTesla Payload 5 IoCs
  • Drops file in Drivers directory 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
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • 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\SOA.exe
    "C:\Users\Admin\AppData\Local\Temp\SOA.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1592
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jbRaoNBxNzlTq" /XML "C:\Users\Admin\AppData\Local\Temp\tmp30F0.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1140
    • C:\Users\Admin\AppData\Local\Temp\SOA.exe
      "{path}"
      2⤵
      • Drops file in Drivers directory
      • 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:484

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp30F0.tmp

    MD5

    35ada2a317171017c668145b08386b05

    SHA1

    7ccbf4bcb2fd99b677adcbb06cca89acb2ae3c94

    SHA256

    ddd9d3027d7f1e3b76f0f22901d9dcefdfbdf40233c39df0202ecf9f73063ebb

    SHA512

    3dda4d2b9aa01f4787a747be4da3c0877b310cdfdf61bde6a2ce9e3bad5fc3464c491c1ca6b0458aac345b21871c2ba2ecb87cf0839642ddc5672418ba1830e4

  • memory/484-68-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/484-67-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/484-73-0x0000000004BE1000-0x0000000004BE2000-memory.dmp

    Filesize

    4KB

  • memory/484-72-0x0000000004BE0000-0x0000000004BE1000-memory.dmp

    Filesize

    4KB

  • memory/484-66-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/484-70-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/484-69-0x000000000043763E-mapping.dmp

  • memory/484-64-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/484-65-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1140-62-0x0000000000000000-mapping.dmp

  • memory/1592-61-0x0000000000690000-0x00000000006C8000-memory.dmp

    Filesize

    224KB

  • memory/1592-57-0x0000000075731000-0x0000000075733000-memory.dmp

    Filesize

    8KB

  • memory/1592-55-0x0000000001150000-0x0000000001151000-memory.dmp

    Filesize

    4KB

  • memory/1592-58-0x0000000001030000-0x0000000001031000-memory.dmp

    Filesize

    4KB

  • memory/1592-60-0x0000000005390000-0x0000000005405000-memory.dmp

    Filesize

    468KB

  • memory/1592-59-0x0000000000310000-0x0000000000315000-memory.dmp

    Filesize

    20KB