Analysis

  • max time kernel
    150s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 11:16

General

  • Target

    TB-TRADE PTE LTD-SWIFT MT103____________________________________PDF.exe

  • Size

    454KB

  • MD5

    0cf64cf2a3230eeef3e968a52f807fed

  • SHA1

    289f6f81e45c2c6def3365fdefff1d8155863b77

  • SHA256

    e84fcc93aaa977be76d6f2f875ee8072361282e9edd79b206b370c484f87036e

  • SHA512

    faf52b9f689771bfad74b2aabb96ae175e2719a739ef749544cb717fb3a62ca0f11659ab11c5079128c100a28efcc1d18b527effd6afd2f96048f2f782803f95

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.ru
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    money123@@@

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.ru
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    money123@@@

Signatures

  • AgentTesla

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

  • AgentTesla Payload 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
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\TB-TRADE PTE LTD-SWIFT MT103____________________________________PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\TB-TRADE PTE LTD-SWIFT MT103____________________________________PDF.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3792
    • C:\Users\Admin\AppData\Local\Temp\TB-TRADE PTE LTD-SWIFT MT103____________________________________PDF.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:4640
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" wlan show profile
        3⤵
          PID:5064

    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

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\TB-TRADE PTE LTD-SWIFT MT103____________________________________PDF.exe.log
      Filesize

      408B

      MD5

      8adbb2cb7759fdcbc51cfbf0bfd7c867

      SHA1

      f7549e6ea430e7d64b3afb3fc27c77ed5122f85b

      SHA256

      c67092561e4b1472672374c3439004e2bc0191d9a901cde2b8b69a2d34dc6297

      SHA512

      f465311e884dd82e3152959b6a59ac8d6be0a056a1cfddabbcc6714079a2269cd5c09b2b8fbc87a9ec3323c531383526ae19ef24fed100dec80730fae0d79991

    • memory/3792-130-0x0000000075130000-0x00000000756E1000-memory.dmp
      Filesize

      5.7MB

    • memory/4640-131-0x0000000000000000-mapping.dmp
    • memory/4640-132-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

    • memory/4640-134-0x0000000075130000-0x00000000756E1000-memory.dmp
      Filesize

      5.7MB

    • memory/5064-135-0x0000000000000000-mapping.dmp