Analysis

  • max time kernel
    124s
  • max time network
    51s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 00:24

General

  • Target

    NEW PURCHASE ORDER.pdf.exe

  • Size

    678KB

  • MD5

    8b95b098f130f7e9949a8aa8a6fd6411

  • SHA1

    44146452e69cf94acc5bc6f50b05dda94addd46d

  • SHA256

    f7cc49578ee37fdedcfb8c54148c0357c7d480bf909d9ffcc6c9a6abcb193310

  • SHA512

    e80656f1ab1a7fbe1fe3272f033171c2e29d57ea9ba8e7fdea78b010ef359dfb72e276868e26806a072ce5f3a8154ceff65ac951382622f1c0e3e1ef48608ab2

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.asianhandicraftsexports.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    @@##$$123456

Signatures

  • AgentTesla

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

  • AgentTesla Payload 6 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 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEW PURCHASE ORDER.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\NEW PURCHASE ORDER.pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1964
    • C:\Users\Admin\AppData\Local\Temp\NEW PURCHASE ORDER.pdf.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:1156

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1156-57-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1156-58-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1156-60-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1156-61-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1156-62-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1156-63-0x000000000044716E-mapping.dmp

  • memory/1156-65-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1156-67-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1156-68-0x0000000075401000-0x0000000075403000-memory.dmp

    Filesize

    8KB

  • memory/1964-54-0x0000000000B30000-0x0000000000BDE000-memory.dmp

    Filesize

    696KB

  • memory/1964-55-0x00000000004C0000-0x00000000004C8000-memory.dmp

    Filesize

    32KB

  • memory/1964-56-0x0000000002060000-0x00000000020B4000-memory.dmp

    Filesize

    336KB