Analysis

  • max time kernel
    118s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 12:06

General

  • Target

    Payment Confirmation#114_pdf.exe

  • Size

    868KB

  • MD5

    322bd0b3a24031f8f3c7388aa154dbbf

  • SHA1

    06752e5047de02cc97e35f6485541303290399d9

  • SHA256

    15a11534302310724a8a51e3d3462984bb4514609c9089ff1fbe6a5b404d7d3b

  • SHA512

    b8719e976093ab658207bac7ce44bb485a4c84b91ae6006a3fc6a0a393fdf6abe25b681e2962217ecbe23efb261658259103f162c5cee5a675a12192a5d69b44

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.flockmail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Kclove9090@

Signatures

  • AgentTesla

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

  • AgentTesla Payload 2 IoCs
  • Drops file in Drivers directory 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 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 Confirmation#114_pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Payment Confirmation#114_pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:480
    • C:\Users\Admin\AppData\Local\Temp\Payment Confirmation#114_pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\Payment Confirmation#114_pdf.exe"
      2⤵
      • Drops file in Drivers directory
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:3100

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

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/480-130-0x0000000000B70000-0x0000000000C50000-memory.dmp
    Filesize

    896KB

  • memory/480-131-0x00000000063A0000-0x0000000006944000-memory.dmp
    Filesize

    5.6MB

  • memory/480-132-0x0000000005EF0000-0x0000000005F82000-memory.dmp
    Filesize

    584KB

  • memory/3100-133-0x0000000000000000-mapping.dmp
  • memory/3100-135-0x0000000000900000-0x0000000000966000-memory.dmp
    Filesize

    408KB

  • memory/3100-136-0x0000000005030000-0x00000000050CC000-memory.dmp
    Filesize

    624KB

  • memory/3100-137-0x0000000005CC0000-0x0000000005D26000-memory.dmp
    Filesize

    408KB

  • memory/3100-138-0x0000000006510000-0x0000000006560000-memory.dmp
    Filesize

    320KB

  • memory/3100-139-0x00000000067C0000-0x00000000067CA000-memory.dmp
    Filesize

    40KB