Analysis

  • max time kernel
    52s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 11:52

General

  • Target

    Shipping Documents_2998-0029-28833-92883.exe

  • Size

    671KB

  • MD5

    900b759ab7a29b28175f5a63c4437d05

  • SHA1

    43806cee07901eae1b676a1f02f8d20e1eee7c2e

  • SHA256

    76aeceb07ade4e0dca6cf046b682ae5909f578b725da30d10a46c6fb58cc3f33

  • SHA512

    67b1ce5262bac1781618461c3dc3e9fb566b1ad11268c80a8d2261d776620086f0a0026f8de02f011e873748416e63a2f42485abd4bf58c513d0e9511bec5f7c

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.acroative.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    onegod5050()

Signatures

  • AgentTesla

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

  • AgentTesla Payload 2 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 3 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 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\Shipping Documents_2998-0029-28833-92883.exe
    "C:\Users\Admin\AppData\Local\Temp\Shipping Documents_2998-0029-28833-92883.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:1116
    • C:\Users\Admin\AppData\Local\Temp\Shipping Documents_2998-0029-28833-92883.exe
      "C:\Users\Admin\AppData\Local\Temp\Shipping Documents_2998-0029-28833-92883.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:2024
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" wlan show profile
        3⤵
          PID:1840

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1116-54-0x00000000755C1000-0x00000000755C3000-memory.dmp

      Filesize

      8KB

    • memory/1116-56-0x0000000000400000-0x00000000004AE000-memory.dmp

      Filesize

      696KB

    • memory/1840-61-0x0000000000000000-mapping.dmp

    • memory/2024-55-0x00000000004AADD0-mapping.dmp

    • memory/2024-57-0x0000000000350000-0x00000000003A0000-memory.dmp

      Filesize

      320KB

    • memory/2024-58-0x0000000000350000-0x00000000003A0000-memory.dmp

      Filesize

      320KB

    • memory/2024-60-0x00000000746C0000-0x0000000074C6B000-memory.dmp

      Filesize

      5.7MB