Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 11:01

General

  • Target

    Initial Quote.exe

  • Size

    679KB

  • MD5

    a70439c6c4805c87ab2a19538aeb5779

  • SHA1

    e98e9a660049f6663471bb3fa6218665ff77e34e

  • SHA256

    a62a90789d488d851050ad121400c40bdcbad55ff7acedca829edff301b0342d

  • SHA512

    8a3716ccdd0ba93a7972499c19ea7e8c6aa024f4aa92fc51be5fa7a7743bcc146b75377646fad1cfdbfa3ae671b908ea1f23ab525682f26cb29879538cc27ebc

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.exomnobil.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Control84@

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
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Initial Quote.exe
    "C:\Users\Admin\AppData\Local\Temp\Initial Quote.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:2364
    • C:\Users\Admin\AppData\Local\Temp\Initial Quote.exe
      "C:\Users\Admin\AppData\Local\Temp\Initial Quote.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:4380

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2364-131-0x00000000023A0000-0x00000000023A8000-memory.dmp

    Filesize

    32KB

  • memory/4380-130-0x0000000000000000-mapping.dmp

  • memory/4380-132-0x00000000009E0000-0x0000000000A2C000-memory.dmp

    Filesize

    304KB

  • memory/4380-133-0x00000000009E0000-0x0000000000A2C000-memory.dmp

    Filesize

    304KB

  • memory/4380-134-0x00000000754B0000-0x0000000075A61000-memory.dmp

    Filesize

    5.7MB