Analysis

  • max time kernel
    136s
  • max time network
    30s
  • platform
    windows7_x64
  • resource
    win7v200430
  • submitted
    29/06/2020, 13:16

General

  • Target
    Orden de Compra PO 18003805 29062020.exe
  • Size 322KB
  • Sample200629-bbenmn3vyn
  • SHA256 382abd4e299af3553e71a429456f36e30ac8fe4634a5f95089af9f85c20fa687
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    smtp

  • Host

    mail.corroshield.co.id

  • Port

    587

  • Password

    sulastri2011

Signatures

  • AgentTesla

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

  • AgentTesla Payload 3 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Orden de Compra PO 18003805 29062020.exe
    "C:\Users\Admin\AppData\Local\Temp\Orden de Compra PO 18003805 29062020.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1432
    • C:\Users\Admin\AppData\Local\Temp\svhost.exe
      "C:\Users\Admin\AppData\Local\Temp\svhost.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1492

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/1492-4-0x00000000000D0000-0x000000000011C000-memory.dmp

        memory/1492-5-0x00000000000D0000-0x000000000011C000-memory.dmp