Analysis

  • max time kernel
    132s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 12:03

General

  • Target

    Payment _Copy.exe

  • Size

    459KB

  • MD5

    183d4f4ea6559f8192b9909dd3b0160c

  • SHA1

    2cd600462508fa3ffe00463d803d2fb5009db88c

  • SHA256

    d6966bdc03399a2691eeba985de79e0a35558b9a40d7e10ea149e06c0508c108

  • SHA512

    ff1667348eab4f2cc65a951b3f6746d2f511c99959b8348cafedb2e455833d2ef33e27870321999e0c87e341ea843f099717ba43ac68ada6f770cd21e9646056

Malware Config

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 6 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Payment _Copy.exe
    "C:\Users\Admin\AppData\Local\Temp\Payment _Copy.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1424
    • C:\Users\Admin\AppData\Local\Temp\Payment _Copy.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:1100
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" wlan show profile
        3⤵
          PID:1208

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1100-57-0x0000000000400000-0x0000000000452000-memory.dmp

      Filesize

      328KB

    • memory/1100-56-0x0000000000400000-0x0000000000452000-memory.dmp

      Filesize

      328KB

    • memory/1100-59-0x0000000000400000-0x0000000000452000-memory.dmp

      Filesize

      328KB

    • memory/1100-60-0x0000000000400000-0x0000000000452000-memory.dmp

      Filesize

      328KB

    • memory/1100-61-0x0000000000400000-0x0000000000452000-memory.dmp

      Filesize

      328KB

    • memory/1100-62-0x000000000044CABE-mapping.dmp

    • memory/1100-64-0x0000000000400000-0x0000000000452000-memory.dmp

      Filesize

      328KB

    • memory/1100-66-0x0000000000400000-0x0000000000452000-memory.dmp

      Filesize

      328KB

    • memory/1100-68-0x0000000074710000-0x0000000074CBB000-memory.dmp

      Filesize

      5.7MB

    • memory/1208-69-0x0000000000000000-mapping.dmp

    • memory/1424-54-0x0000000075951000-0x0000000075953000-memory.dmp

      Filesize

      8KB

    • memory/1424-55-0x0000000074710000-0x0000000074CBB000-memory.dmp

      Filesize

      5.7MB