Analysis

  • max time kernel
    128s
  • max time network
    23s
  • platform
    windows7_x64
  • resource
    win7v200430
  • submitted
    14-07-2020 18:37

General

  • Target

    attached Packing List.xlsx.exe

  • Size

    1.1MB

  • MD5

    ba9e46ca10df231ada2f157f98262129

  • SHA1

    67dc8aa294484342e3a865c50089efd5739dbd4f

  • SHA256

    d59490ae49d0b6cd7021ee0c19277854011da2352e0654853d71805b41a5f850

  • SHA512

    a1ceb328432d112a01643e44dd509fb9e7c286f33bd1ba0192ff8a8a1e1da5f64dce813d201a68acd8e106903ce2f07f375337cb7b1fb19a1d8b248584b031fd

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.ru
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    kingmoney12345

Signatures

  • AgentTesla

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

  • AgentTesla Payload 4 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\attached Packing List.xlsx.exe
    "C:\Users\Admin\AppData\Local\Temp\attached Packing List.xlsx.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:272
    • C:\Users\Admin\AppData\Local\Temp\attached Packing List.xlsx.exe
      "{path}"
      2⤵
        PID:1844
      • C:\Users\Admin\AppData\Local\Temp\attached Packing List.xlsx.exe
        "{path}"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:1856

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/272-1-0x0000000000000000-0x0000000000000000-disk.dmp

    • memory/1856-2-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/1856-3-0x0000000000446DDE-mapping.dmp

    • memory/1856-4-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/1856-5-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB