Analysis

  • max time kernel
    152s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    14-10-2021 05:00

General

  • Target

    Purchase Order 2892808.exe

  • Size

    562KB

  • MD5

    54c9b215e30e50b7f9f559b414737d10

  • SHA1

    56015460883c19c741a26b9d94b27952f67ec656

  • SHA256

    9b674819f4cfeff2ecac04486fa031d913d78e5649dee0e3acf0b4078f4fee74

  • SHA512

    1d15db38dff0619df154ec814a192076909f6de6133c8aef189b4189c3b1e5a8e3e51681dd4a691c1beb4758a0605ef3537d0d7b0fa006fa840423376457e797

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    webmail.emirtecnt.com
  • Port:
    587
  • Username:
    reporting@emirtecnt.com
  • Password:
    Amazinggrace123

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 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\Purchase Order 2892808.exe
    "C:\Users\Admin\AppData\Local\Temp\Purchase Order 2892808.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1596
    • C:\Users\Admin\AppData\Local\Temp\Purchase Order 2892808.exe
      "C:\Users\Admin\AppData\Local\Temp\Purchase Order 2892808.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:484

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

3
T1081

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/484-64-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/484-63-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/484-69-0x00000000044A1000-0x00000000044A2000-memory.dmp
    Filesize

    4KB

  • memory/484-68-0x00000000044A0000-0x00000000044A1000-memory.dmp
    Filesize

    4KB

  • memory/484-66-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/484-60-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/484-62-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/484-61-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/484-65-0x00000000004375FE-mapping.dmp
  • memory/1596-54-0x00000000009E0000-0x00000000009E1000-memory.dmp
    Filesize

    4KB

  • memory/1596-56-0x00000000757B1000-0x00000000757B3000-memory.dmp
    Filesize

    8KB

  • memory/1596-59-0x0000000005160000-0x00000000051DA000-memory.dmp
    Filesize

    488KB

  • memory/1596-58-0x00000000003C0000-0x00000000003C5000-memory.dmp
    Filesize

    20KB

  • memory/1596-57-0x0000000000880000-0x0000000000881000-memory.dmp
    Filesize

    4KB