Analysis

  • max time kernel
    140s
  • max time network
    123s
  • platform
    windows10_x64
  • resource
    win10-en-20211014
  • submitted
    20-10-2021 04:06

General

  • Target

    SecuriteInfo.com.Suspicious.Win32.Save.a.680.644.exe

  • Size

    471KB

  • MD5

    acfec59788ef7b27e7bf1a76737070ce

  • SHA1

    69f13032f27ed80787bf0ef46c9ba7afe20b5ca4

  • SHA256

    8ef9fa2906743f48e2cebc330e9d609e2c62baf0b37a025d4816d6202add22bf

  • SHA512

    e130af3095c47e325d0d7b40df819a240840287025d626a6dcd3a6270bbb35229e52c82f79be19fdc176ad1e621953b52e1c799eb46f8cb0fb265baf9aeced67

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.davaobay.com.ph
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    p@ssw0rd

Signatures

  • AgentTesla

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

  • AgentTesla Payload 2 IoCs
  • Drops file in Drivers directory 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
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 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\SecuriteInfo.com.Suspicious.Win32.Save.a.680.644.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Suspicious.Win32.Save.a.680.644.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2720
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Suspicious.Win32.Save.a.680.644.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Suspicious.Win32.Save.a.680.644.exe"
      2⤵
      • Drops file in Drivers directory
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:3456

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\SecuriteInfo.com.Suspicious.Win32.Save.a.680.644.exe.log

    MD5

    0c2899d7c6746f42d5bbe088c777f94c

    SHA1

    622f66c5f7a3c91b28a9f43ce7c6cabadbf514f1

    SHA256

    5b0b99740cadaeff7b9891136644b396941547e20cc7eea646560d0dad5a5458

    SHA512

    ab7a3409ed4b6ca00358330a3aa4ef6de7d81eb21a5e24bb629ef6a7c7c4e2a70ca3accfbc989ed6e495fdb8eb6203a26d6f2a37b2a5809af4276af375b49078

  • memory/2720-122-0x000000000AA70000-0x000000000AA71000-memory.dmp

    Filesize

    4KB

  • memory/2720-118-0x00000000071D0000-0x00000000071D1000-memory.dmp

    Filesize

    4KB

  • memory/2720-119-0x0000000007130000-0x000000000762E000-memory.dmp

    Filesize

    5.0MB

  • memory/2720-120-0x0000000007170000-0x0000000007171000-memory.dmp

    Filesize

    4KB

  • memory/2720-121-0x0000000007610000-0x0000000007617000-memory.dmp

    Filesize

    28KB

  • memory/2720-115-0x00000000003F0000-0x00000000003F1000-memory.dmp

    Filesize

    4KB

  • memory/2720-123-0x000000000AC10000-0x000000000AC68000-memory.dmp

    Filesize

    352KB

  • memory/2720-117-0x0000000007630000-0x0000000007631000-memory.dmp

    Filesize

    4KB

  • memory/3456-124-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/3456-125-0x00000000004376CE-mapping.dmp

  • memory/3456-131-0x0000000004D00000-0x0000000004D01000-memory.dmp

    Filesize

    4KB

  • memory/3456-132-0x0000000004E80000-0x0000000004E81000-memory.dmp

    Filesize

    4KB

  • memory/3456-133-0x00000000059F0000-0x00000000059F1000-memory.dmp

    Filesize

    4KB