Analysis

  • max time kernel
    133s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 10:52

General

  • Target

    Payment_Advice.exe

  • Size

    718KB

  • MD5

    fdfbe4bcfb14fc79b7b8e9063f93ec2f

  • SHA1

    02aa4f7cb9a8d8bb8c189ce263e5b6d1944bea6e

  • SHA256

    ee7bb1548fa55637eea3c95c32abe9d52bc0b51b560a1bc550d16e963d8606d0

  • SHA512

    5328b75d9a48da4f8dfbc12230b656b07ca4cafbb67aadd481bab6507aa2a81bd368aa0ad435521c83b9ec6277897045eba7a9f06d57ceb6a4d094f5f3a611cc

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.ru
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Blessing123

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.ru
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Blessing123

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 4 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Payment_Advice.exe
    "C:\Users\Admin\AppData\Local\Temp\Payment_Advice.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:2580
    • C:\Users\Admin\AppData\Local\Temp\Payment_Advice.exe
      "C:\Users\Admin\AppData\Local\Temp\Payment_Advice.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:1040
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" wlan show profile
        3⤵
          PID:4328

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1040-130-0x0000000000000000-mapping.dmp

    • memory/1040-131-0x0000000000880000-0x00000000008D2000-memory.dmp

      Filesize

      328KB

    • memory/1040-133-0x0000000000880000-0x00000000008D2000-memory.dmp

      Filesize

      328KB

    • memory/1040-134-0x00000000752B0000-0x0000000075861000-memory.dmp

      Filesize

      5.7MB

    • memory/2580-132-0x0000000000400000-0x00000000004B9000-memory.dmp

      Filesize

      740KB

    • memory/4328-135-0x0000000000000000-mapping.dmp