Analysis

  • max time kernel
    118s
  • max time network
    118s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    16/07/2020, 08:01

General

  • Target

    shipment documents.exe

  • Size

    370KB

  • MD5

    4f267c8f0648a52ff6b06816e724949a

  • SHA1

    5f127ece1dcc7fa1d94dd3328bb8e368bd470628

  • SHA256

    d9351ce503256f14f917a5cb7adfcdcf07a9364973fc324dc9517d407c6bdd0a

  • SHA512

    fd528d37848a1fdff3a92aa44441b3445fc1b7f12ad41dc01f4d4c74dd2bb21d5bfa2f03377d9942918cf3f2bf1ca7421beb7e2557a8f5fbc21836cb9a99ece1

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.sankapatrol.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    OFFICE@2020

Signatures

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Suspicious use of WriteProcessMemory 11 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • AgentTesla

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

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\shipment documents.exe
    "C:\Users\Admin\AppData\Local\Temp\shipment documents.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious behavior: EnumeratesProcesses
    PID:792
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\tYIAcvUEttPVt" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7922.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3880
    • C:\Users\Admin\AppData\Local\Temp\shipment documents.exe
      "C:\Users\Admin\AppData\Local\Temp\shipment documents.exe"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious behavior: EnumeratesProcesses
      PID:3852

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/3852-2-0x0000000000400000-0x000000000044C000-memory.dmp

          Filesize

          304KB