Analysis

  • max time kernel
    128s
  • max time network
    131s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    08/07/2020, 07:23

General

  • Target

    PO Bailey Trading.exe

  • Size

    496KB

  • MD5

    71356ff0f2fa689005df0babc4a77663

  • SHA1

    e7efa9c8dcbae95a01dd9534f0482ddf891e1a30

  • SHA256

    89b8f4141669958f852c84cffd319a1fc05f33bf925658a2e6eeb7d90b9c84c9

  • SHA512

    440c5fe46ce976f4a555a44c0faba58ea70b62b1ac008c578a27ba94c8fc13600d0299e543dfd44dd3400be18b447bbda92548b5aa2452fd843e6ec7b87f0477

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.pierreinsurancebrokers.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    advisor@1234

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.pierreinsurancebrokers.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    advisor@1234

Signatures

  • AgentTesla

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

  • AgentTesla Payload 2 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.

  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO Bailey Trading.exe
    "C:\Users\Admin\AppData\Local\Temp\PO Bailey Trading.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3920
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ImqPufmufG" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6C90.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3424
    • C:\Users\Admin\AppData\Local\Temp\PO Bailey Trading.exe
      "C:\Users\Admin\AppData\Local\Temp\PO Bailey Trading.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4000

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/4000-2-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB