Analysis

  • max time kernel
    56s
  • max time network
    47s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 11:01

General

  • Target

    INVOICE & AWB_pdf.exe

  • Size

    771KB

  • MD5

    16c3062d876d32583b7c07a5d4d48058

  • SHA1

    850884f1be47b05d857adec45923df9aebf705e5

  • SHA256

    47dc93d9f50e610072c38ed05d454b31b9a4d9c31f2abc75840dea36ec4ef374

  • SHA512

    28007b8d111a49cbe215f96dae4f76ae18ba089e00aed0f48f455f03c2f0a99823efc628b5f554d6189ea8171663ca05ebae5c2790f6e328d49b4e66ef0d974e

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\INVOICE & AWB_pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\INVOICE & AWB_pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:852
    • C:\Users\Admin\AppData\Local\Temp\INVOICE & AWB_pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\INVOICE & AWB_pdf.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:2008
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" wlan show profile
        3⤵
          PID:1768

    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/852-54-0x00000000763E1000-0x00000000763E3000-memory.dmp
      Filesize

      8KB

    • memory/852-56-0x0000000000250000-0x000000000025A000-memory.dmp
      Filesize

      40KB

    • memory/1768-61-0x0000000000000000-mapping.dmp
    • memory/2008-55-0x00000000004AAC60-mapping.dmp
    • memory/2008-58-0x0000000000380000-0x00000000003D0000-memory.dmp
      Filesize

      320KB

    • memory/2008-57-0x0000000000380000-0x00000000003D0000-memory.dmp
      Filesize

      320KB

    • memory/2008-60-0x00000000746F0000-0x0000000074C9B000-memory.dmp
      Filesize

      5.7MB