Analysis

  • max time kernel
    131s
  • max time network
    137s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    09-11-2020 19:38

General

  • Target

    Bank Transfer copy.pdf.exe

  • Size

    523KB

  • MD5

    321442e7e4c16821b4ed529f195cbfc8

  • SHA1

    b1d20709265e78028d1821b0ebd16f3c6899dc93

  • SHA256

    3a24d2639d9b7c59116c658ddd3468e5e52da4dc4d15bb5b127f63db4b539b67

  • SHA512

    bd13ed4de27b81098c434513ac7449498ec39ce75600816be35b8dcdd974ec8a72574ffa0dbb203ec12ee1ac455ff870421d086e30c34558adb59b8ed547c453

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.ru
  • Port:
    587
  • Username:
    lightmusic12345@yandex.ru
  • Password:
    chibuike12345@@@@@

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.ru
  • Port:
    587
  • Username:
    lightmusic12345@yandex.ru
  • Password:
    chibuike12345@@@@@

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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Bank Transfer copy.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Bank Transfer copy.pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:640
    • C:\Users\Admin\AppData\Local\Temp\Bank Transfer copy.pdf.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2804
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" wlan show profile
        3⤵
          PID:3876

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Credential Access

    Credentials in Files

    3
    T1081

    Collection

    Data from Local System

    3
    T1005

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\Bank Transfer copy.pdf.exe.log
      MD5

      2ce1b56364fa233e3c3b24c1094c08ef

      SHA1

      6bd332829aebe567d7b2cb1fd9a82dfe1791052f

      SHA256

      dcf175d01a6de724456eebafad26562a1c6c59bb61ed4a40675e80b7dbc5680e

      SHA512

      5abf87138689fdc6f8f79c130c3511c863bac1fb0acc60525bc660c532276e3e0037134a9653e0b4f9a77142236cc18144e90bb40ace7271d6eb57fcf438bfe9

    • memory/2804-2-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

    • memory/2804-3-0x000000000044C94E-mapping.dmp
    • memory/3876-5-0x0000000000000000-mapping.dmp