Analysis

  • max time kernel
    135s
  • max time network
    134s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    07-07-2020 09:03

General

  • Target

    Payment Swift Copy.pdf.exe

  • Size

    506KB

  • MD5

    fffcd19c2a318ab203bae142dcb2f7ca

  • SHA1

    9ffa3039d89111b8d8634b32a0bd0b0791cf62cd

  • SHA256

    a2c2b1b1970a1c77c3aa857fb84b66a91ea8b3866bf2ee2f1c80cb4e3ee93eef

  • SHA512

    5ef2dc3420300ecbed1c1f0adc163aea8cf4c1ea668ee5d335fdf4b80fb1920cbad1d4f93f5eabc78f6d53ef19c8ad2c11904dfaa14fa450dd651184f0db4bf4

Malware Config

Extracted

Credentials

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

Signatures

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • AgentTesla

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

  • Suspicious use of WriteProcessMemory 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

Processes

  • C:\Users\Admin\AppData\Local\Temp\Payment Swift Copy.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Payment Swift Copy.pdf.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    • Suspicious use of AdjustPrivilegeToken
    PID:2460
    • C:\Users\Admin\AppData\Local\Temp\Payment Swift Copy.pdf.exe
      "{path}"
      2⤵
        PID:3812
      • C:\Users\Admin\AppData\Local\Temp\Payment Swift Copy.pdf.exe
        "{path}"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:3832

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\Payment Swift Copy.pdf.exe.log

    • memory/3832-0-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/3832-1-0x0000000000446DDE-mapping.dmp