Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    09/11/2020, 19:37

General

  • Target
    PURCHASE LIST (PO#9A88D25).pdf.exe
  • Size 499KB
  • Sample201109-4j5s3ld8te
  • SHA256 bf1a09efdb4c2742bcd0da160138ff677827afcf937e7f5f5aa620fe237dd6d2
  • MD5 SHA1 SHA512

Malware Config

Extracted

Credentials
  • Protocol

    smtp

  • Host

    mail.oilexindia.com

  • Port

    587

  • Password

    Kamal@2019

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    smtp

  • Host

    mail.oilexindia.com

  • Port

    587

  • Password

    Kamal@2019

Signatures

  • AgentTesla

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

  • AgentTesla Payload 2 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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PURCHASE LIST (PO#9A88D25).pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\PURCHASE LIST (PO#9A88D25).pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3300
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BgrEFYK" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB06A.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1752
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:484
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" wlan show profile
        3⤵
          PID:1740

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          memory/484-4-0x0000000000400000-0x0000000000452000-memory.dmp