Analysis

  • max time kernel
    92s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 12:04

General

  • Target

    FINANCIAL YEAR CLOSURE MEMO.exe

  • Size

    470KB

  • MD5

    45fd3f5ffedbf5e660957adb12baf300

  • SHA1

    0c607da8f0ad1fcac5b7e3576e5c9854b3b9d86b

  • SHA256

    27db7e818b7e5ed14cf0f3e8e830c1892a42a23f9545cbba993c442f6dc474e6

  • SHA512

    f5e13d0f1c261e26f59dc1e88af110b6941f5fe85a218780864e9ccb974478ead75e4a830f4c29239e48acd6aa91431c95fa851b4b85b662b3bb725ebe5678f4

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    faith12AB

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    faith12AB

Signatures

  • AgentTesla

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

  • AgentTesla Payload 1 IoCs
  • 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 WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\FINANCIAL YEAR CLOSURE MEMO.exe
    "C:\Users\Admin\AppData\Local\Temp\FINANCIAL YEAR CLOSURE MEMO.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:324
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:848
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" wlan show profile
        3⤵
          PID:224

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/224-134-0x0000000000000000-mapping.dmp
    • memory/324-130-0x00000000746F0000-0x0000000074CA1000-memory.dmp
      Filesize

      5.7MB

    • memory/848-131-0x0000000000000000-mapping.dmp
    • memory/848-132-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

    • memory/848-133-0x00000000746F0000-0x0000000074CA1000-memory.dmp
      Filesize

      5.7MB