Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 11:58

General

  • Target

    orden de compra_pdf___________________________________.exe

  • Size

    604KB

  • MD5

    d8538f1204d04e2c8e3fbea7f37f247e

  • SHA1

    c0f2b8a3b6195571713c71d7b18543eed3bfaced

  • SHA256

    6acc6132e2b715d36c680d06959661bc650756f8b464a5bc5bcdd8e6faa07a55

  • SHA512

    b112aa43fd24be88bc85f111fe82a53827c57dc3dd0e5f6e348f09f51ba1b0298a77ed65769927257da95be85a56ac07446fec00bc38e02796213d973e6d482e

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.erneralduae.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    nEV!EZo2

Signatures

  • AgentTesla

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

  • AgentTesla Payload 6 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\orden de compra_pdf___________________________________.exe
    "C:\Users\Admin\AppData\Local\Temp\orden de compra_pdf___________________________________.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1648
    • C:\Users\Admin\AppData\Local\Temp\orden de compra_pdf___________________________________.exe
      "C:\Users\Admin\AppData\Local\Temp\orden de compra_pdf___________________________________.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:2036

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1648-54-0x0000000000B90000-0x0000000000C2E000-memory.dmp
    Filesize

    632KB

  • memory/1648-55-0x0000000075F61000-0x0000000075F63000-memory.dmp
    Filesize

    8KB

  • memory/1648-56-0x0000000000970000-0x0000000000978000-memory.dmp
    Filesize

    32KB

  • memory/1648-57-0x0000000004DF0000-0x0000000004E78000-memory.dmp
    Filesize

    544KB

  • memory/1648-58-0x0000000004BF0000-0x0000000004C4C000-memory.dmp
    Filesize

    368KB

  • memory/2036-59-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/2036-60-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/2036-62-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/2036-63-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/2036-64-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/2036-65-0x000000000044737E-mapping.dmp
  • memory/2036-67-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/2036-69-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB