Analysis

  • max time kernel
    134s
  • max time network
    44s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 11:19

General

  • Target

    Invoice.exe

  • Size

    437KB

  • MD5

    aa10879b8f8b00c5078521e6f99db403

  • SHA1

    79c7248ef09e66649184d7970c21546b03d5187e

  • SHA256

    1cf828a8ad1ca3748535b13a7fea8fad80ded652496afd637ec70aefe2d90fb2

  • SHA512

    9838953760719a30696de24939911e451653c0cf191a1e58b71d5b9db2a1f3bab34a2472b941290dd74f669e9f350c1360f522f1809444b41155af20ffe7ad4d

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.privateemail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    coronavirus2020

Signatures

  • AgentTesla

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

  • AgentTesla Payload 6 IoCs
  • 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 SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Invoice.exe
    "C:\Users\Admin\AppData\Local\Temp\Invoice.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1352
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:1360

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1352-54-0x0000000076241000-0x0000000076243000-memory.dmp

    Filesize

    8KB

  • memory/1352-55-0x00000000745C0000-0x0000000074B6B000-memory.dmp

    Filesize

    5.7MB

  • memory/1360-56-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1360-57-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1360-59-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1360-60-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1360-61-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1360-62-0x000000000044701E-mapping.dmp

  • memory/1360-64-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1360-66-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1360-68-0x00000000745C0000-0x0000000074B6B000-memory.dmp

    Filesize

    5.7MB