Analysis

  • max time kernel
    62s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 11:54

General

  • Target

    Order# 1391914.pdf.exe

  • Size

    866KB

  • MD5

    c2a67ac35ee618dca130790dd9ae2d3b

  • SHA1

    7c0ab3ca064486c51c3df1bc1998315ab2c9adcb

  • SHA256

    b4c84cf915c0f29a82c0fa8d9e7c7940338ebedf458ce7d4b187935bd5ba9e82

  • SHA512

    bff70a1d395a470b1f2d134f1246f042ae9fa11953ebaa6f5359dc8d2f8361af1bc37498307dfc0f120a35b2c6143ea24cf48ff0f6934de7a5bcc8ed0e9779fd

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 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Order# 1391914.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Order# 1391914.pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:960
    • C:\Users\Admin\AppData\Local\Temp\Order# 1391914.pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\Order# 1391914.pdf.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1000

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/960-54-0x0000000076571000-0x0000000076573000-memory.dmp

    Filesize

    8KB

  • memory/960-56-0x0000000000400000-0x00000000004DE000-memory.dmp

    Filesize

    888KB

  • memory/1000-55-0x00000000004A26D0-mapping.dmp

  • memory/1000-58-0x0000000000760000-0x00000000007AC000-memory.dmp

    Filesize

    304KB

  • memory/1000-57-0x0000000000760000-0x00000000007AC000-memory.dmp

    Filesize

    304KB

  • memory/1000-60-0x0000000074940000-0x0000000074EEB000-memory.dmp

    Filesize

    5.7MB