Analysis

  • max time kernel
    141s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-en-20211014
  • submitted
    19-10-2021 14:05

General

  • Target

    813641BENTELERdeMéxicoSAdeCV202110193434322.exe

  • Size

    385KB

  • MD5

    2f80f873ad25314e7c4d18c2f850744e

  • SHA1

    6d96cfb8544acd55876a89bfd2c892845d9249c4

  • SHA256

    01ef7277bcd8f0ac5259da0e72f1331ed250624a15e74fa44ac9c0f9dcaea096

  • SHA512

    9f895fbc860239e8683d1809b551daa571dafdb5c22bee651f5ebc0d3264eef9df879fbbb98c4bbf46f70255e3bf8d2bdb8f4f5da0190a9c04fb00812cd1b5e4

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.comansi.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    JUGuete$2021

Signatures

  • AgentTesla

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

  • AgentTesla Payload 5 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 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\813641BENTELERdeMéxicoSAdeCV202110193434322.exe
    "C:\Users\Admin\AppData\Local\Temp\813641BENTELERdeMéxicoSAdeCV202110193434322.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1604
    • C:\Users\Admin\AppData\Local\Temp\813641BENTELERdeMéxicoSAdeCV202110193434322.exe
      "C:\Users\Admin\AppData\Local\Temp\813641BENTELERdeMéxicoSAdeCV202110193434322.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:288

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/288-68-0x000000000043767E-mapping.dmp

  • memory/288-66-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/288-72-0x00000000048E1000-0x00000000048E2000-memory.dmp

    Filesize

    4KB

  • memory/288-71-0x00000000048E0000-0x00000000048E1000-memory.dmp

    Filesize

    4KB

  • memory/288-64-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/288-69-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/288-67-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/288-63-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/288-65-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1604-60-0x0000000004052000-0x0000000004053000-memory.dmp

    Filesize

    4KB

  • memory/1604-62-0x0000000004CF0000-0x0000000004D48000-memory.dmp

    Filesize

    352KB

  • memory/1604-57-0x0000000075F41000-0x0000000075F43000-memory.dmp

    Filesize

    8KB

  • memory/1604-55-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/1604-61-0x00000000008C0000-0x00000000008C8000-memory.dmp

    Filesize

    32KB

  • memory/1604-59-0x0000000004051000-0x0000000004052000-memory.dmp

    Filesize

    4KB

  • memory/1604-58-0x0000000004050000-0x0000000004051000-memory.dmp

    Filesize

    4KB