Overview

overview

10

Static

static

Proforma Invoice.exe

windows7_x64

10

Proforma Invoice.exe

windows10_x64

3

Analysis

  • max time kernel
    96s
  • max time network
    34s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    02/07/2020, 13:27

Sharing

Copy URL Twitter E-mail
Report Analysis Logs

General

  • Target
    Proforma Invoice.exe
  • Size 385KB
  • Sample200702-lh9bc5tefa
  • SHA256 9144d546541f97c38ff8b4e84ad5db219f661d1b197bd82129e38d1a39ff4d5d
  • MD5 SHA1 SHA512
Score
10/10
agentteslaevasionkeyloggerspywarestealertrojan

Malware Config

Extracted

Family

  • agenttesla

Credentials
  • Protocol

    smtp
  • Host

    mail.pka.co.in
  • Port

    587
  • Username

    [email protected]
  • Password

    a$yQ&h1Yd6&

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 4 IoCs
  • Looks for VirtualBox Guest Additions in registry 2 TTPs
    evasion
  • Looks for VMWare Tools registry key 2 TTPs
    evasion
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

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

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

    spyware
  • Reads user/profile data of web browsers 2 TTPs

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

    spyware
  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • 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.

    persistence
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Proforma Invoice.exe
    "C:\Users\Admin\AppData\Local\Temp\Proforma Invoice.exe"
    1⤵
    • Checks BIOS information in registry
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:672
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ZydZzrOZDTOwqF" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCF8D.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1788
    • C:\Users\Admin\AppData\Local\Temp\Proforma Invoice.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1852

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/1852-4-0x0000000000400000-0x000000000044C000-memory.dmp
        Download

        memory/1852-6-0x0000000000400000-0x000000000044C000-memory.dmp
        Download

        memory/1852-7-0x0000000000400000-0x000000000044C000-memory.dmp
        Download