Analysis

  • max time kernel
    143s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-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 1 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 use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 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 behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1876
    • 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:4212

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1876-130-0x0000000000F00000-0x0000000000FAE000-memory.dmp

    Filesize

    696KB

  • memory/1876-131-0x0000000005DF0000-0x0000000006394000-memory.dmp

    Filesize

    5.6MB

  • memory/1876-132-0x0000000005940000-0x00000000059D2000-memory.dmp

    Filesize

    584KB

  • memory/1876-133-0x0000000005A80000-0x0000000005B1C000-memory.dmp

    Filesize

    624KB

  • memory/4212-134-0x0000000000000000-mapping.dmp

  • memory/4212-135-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/4212-136-0x0000000005C20000-0x0000000005C86000-memory.dmp

    Filesize

    408KB

  • memory/4212-137-0x0000000006430000-0x0000000006480000-memory.dmp

    Filesize

    320KB