Analysis

  • max time kernel
    135s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-05-2023 19:21

General

  • Target

    Payment Advise.exe

  • Size

    707KB

  • MD5

    0d4fe0932e4c31aaa2b69a5584d70ff1

  • SHA1

    c8ea2e87dc00ecda352c77a09e860fc642d07b3f

  • SHA256

    860da509a25f16cda9a80a5063d4b23bc6a702406fe3c94d69bfc10790219b4e

  • SHA512

    8f17170346f64f1c669858d5255a38e695954dd157e3d6967d02e9a72020f4a71818a8b4944f87fdc43e1ad9d5bdd212e2d930682314573eb154afa431697dae

  • SSDEEP

    12288:31tKIXOx6IGBJgB4rJjQ9oP3WWzJO1riZ6oCkOMBx6IXhUYUHhXKK:lgI46hBJTuGmWY1C63kOMBx6GhUF

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.marintravellft.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    k*IQlsZ7

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Payment Advise.exe
    "C:\Users\Admin\AppData\Local\Temp\Payment Advise.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2600
    • C:\Users\Admin\AppData\Local\Temp\Payment Advise.exe
      "C:\Users\Admin\AppData\Local\Temp\Payment Advise.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:4440

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2600-133-0x0000000000D70000-0x0000000000E28000-memory.dmp

    Filesize

    736KB

  • memory/2600-134-0x0000000005E00000-0x00000000063A4000-memory.dmp

    Filesize

    5.6MB

  • memory/2600-135-0x0000000005850000-0x00000000058E2000-memory.dmp

    Filesize

    584KB

  • memory/2600-136-0x0000000005820000-0x0000000005830000-memory.dmp

    Filesize

    64KB

  • memory/2600-137-0x00000000057D0000-0x00000000057DA000-memory.dmp

    Filesize

    40KB

  • memory/2600-138-0x0000000005820000-0x0000000005830000-memory.dmp

    Filesize

    64KB

  • memory/2600-139-0x0000000008850000-0x00000000088EC000-memory.dmp

    Filesize

    624KB

  • memory/4440-140-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/4440-142-0x0000000005020000-0x0000000005030000-memory.dmp

    Filesize

    64KB

  • memory/4440-143-0x0000000004FB0000-0x0000000005016000-memory.dmp

    Filesize

    408KB

  • memory/4440-144-0x0000000005020000-0x0000000005030000-memory.dmp

    Filesize

    64KB

  • memory/4440-146-0x0000000006BD0000-0x0000000006C20000-memory.dmp

    Filesize

    320KB

  • memory/4440-147-0x0000000006DF0000-0x0000000006FB2000-memory.dmp

    Filesize

    1.8MB