Analysis

  • max time kernel
    97s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 02:38

General

  • Target

    Inquiry For Order Confirmation.exe

  • Size

    852KB

  • MD5

    ca3d1f78f33139c641cc120f2308e5e8

  • SHA1

    71df8438202c96de30505abde4674ef9502f7fe6

  • SHA256

    1793f187d699d6b5eac0451dc8740943f1622a4ce989e7d8d03fef4976564b1b

  • SHA512

    0d30db1915b7e45c920220e83ea7df31cd7aaaf88baa86b72e6fa306dbe409a6fe8a6fcd2ab0863e599222af88c2a86c3fc4574df96ae6c5642ee31fff9958a2

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\F293CD6622\Log.txt

Family

masslogger

Ransom Note
################################################################# MassLogger v1.3.3.0 ################################################################# ### Logger Details ### User Name: Admin IP: 154.61.71.50 Location: United States OS: Microsoft Windows 10 Pro64bit CPU: Intel Core Processor (Broadwell) GPU: Microsoft Basic Display Adapter AV: NA Screen Resolution: 1280x720 Current Time: 5/21/2022 5:56:45 AM MassLogger Started: 5/21/2022 5:56:28 AM Interval: 2 hour MassLogger Process: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe As Administrator: True

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.privateemail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    1234567890

Signatures

  • MassLogger

    Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.

  • MassLogger log file 1 IoCs

    Detects a log file produced by MassLogger.

  • CoreCCC Packer 1 IoCs

    Detects CoreCCC packer used to load .NET malware.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Accesses Microsoft Outlook profiles 1 TTPs 18 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 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\Inquiry For Order Confirmation.exe
    "C:\Users\Admin\AppData\Local\Temp\Inquiry For Order Confirmation.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2284
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TNGfjFV" /XML "C:\Users\Admin\AppData\Local\Temp\tmp96A7.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3196
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:2812

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp96A7.tmp

    Filesize

    1KB

    MD5

    658e1c823a4aa84316e62aca4f1101ad

    SHA1

    7959f489a03ad392df49ab57e8e4e775c8e3f6f8

    SHA256

    592a6156c5b203300ad5d99b82a5ab49b73e3e74e4936d99456765e0d99b98eb

    SHA512

    d6b5e603cd372c92654b696c4e4489ec1f5d323c0cf13b63ca33a92dfea51922609c7cb24941ae4df536c28bc095d71738ccd9b2d0cac3fec7f412a9efb15526

  • memory/2284-131-0x0000000005930000-0x0000000005ED4000-memory.dmp

    Filesize

    5.6MB

  • memory/2284-132-0x0000000005380000-0x0000000005412000-memory.dmp

    Filesize

    584KB

  • memory/2284-133-0x0000000005320000-0x000000000532A000-memory.dmp

    Filesize

    40KB

  • memory/2284-134-0x0000000008F90000-0x000000000902C000-memory.dmp

    Filesize

    624KB

  • memory/2284-130-0x0000000000890000-0x000000000096C000-memory.dmp

    Filesize

    880KB

  • memory/2812-162-0x0000000000400000-0x00000000004A6000-memory.dmp

    Filesize

    664KB

  • memory/2812-168-0x0000000000400000-0x00000000004A6000-memory.dmp

    Filesize

    664KB

  • memory/2812-138-0x0000000000400000-0x00000000004A6000-memory.dmp

    Filesize

    664KB

  • memory/2812-140-0x0000000000400000-0x00000000004A6000-memory.dmp

    Filesize

    664KB

  • memory/2812-142-0x0000000000400000-0x00000000004A6000-memory.dmp

    Filesize

    664KB

  • memory/2812-144-0x0000000000400000-0x00000000004A6000-memory.dmp

    Filesize

    664KB

  • memory/2812-146-0x0000000000400000-0x00000000004A6000-memory.dmp

    Filesize

    664KB

  • memory/2812-148-0x0000000000400000-0x00000000004A6000-memory.dmp

    Filesize

    664KB

  • memory/2812-150-0x0000000000400000-0x00000000004A6000-memory.dmp

    Filesize

    664KB

  • memory/2812-152-0x0000000000400000-0x00000000004A6000-memory.dmp

    Filesize

    664KB

  • memory/2812-154-0x0000000000400000-0x00000000004A6000-memory.dmp

    Filesize

    664KB

  • memory/2812-156-0x0000000000400000-0x00000000004A6000-memory.dmp

    Filesize

    664KB

  • memory/2812-158-0x0000000000400000-0x00000000004A6000-memory.dmp

    Filesize

    664KB

  • memory/2812-160-0x0000000000400000-0x00000000004A6000-memory.dmp

    Filesize

    664KB

  • memory/2812-644-0x0000000007FB0000-0x0000000008000000-memory.dmp

    Filesize

    320KB

  • memory/2812-164-0x0000000000400000-0x00000000004A6000-memory.dmp

    Filesize

    664KB

  • memory/2812-166-0x0000000000400000-0x00000000004A6000-memory.dmp

    Filesize

    664KB

  • memory/2812-137-0x0000000000000000-mapping.dmp

  • memory/2812-170-0x0000000000400000-0x00000000004A6000-memory.dmp

    Filesize

    664KB

  • memory/2812-172-0x0000000000400000-0x00000000004A6000-memory.dmp

    Filesize

    664KB

  • memory/2812-174-0x0000000000400000-0x00000000004A6000-memory.dmp

    Filesize

    664KB

  • memory/2812-176-0x0000000000400000-0x00000000004A6000-memory.dmp

    Filesize

    664KB

  • memory/2812-178-0x0000000000400000-0x00000000004A6000-memory.dmp

    Filesize

    664KB

  • memory/2812-180-0x0000000000400000-0x00000000004A6000-memory.dmp

    Filesize

    664KB

  • memory/2812-186-0x0000000000400000-0x00000000004A6000-memory.dmp

    Filesize

    664KB

  • memory/2812-188-0x0000000000400000-0x00000000004A6000-memory.dmp

    Filesize

    664KB

  • memory/2812-184-0x0000000000400000-0x00000000004A6000-memory.dmp

    Filesize

    664KB

  • memory/2812-182-0x0000000000400000-0x00000000004A6000-memory.dmp

    Filesize

    664KB

  • memory/2812-190-0x0000000000400000-0x00000000004A6000-memory.dmp

    Filesize

    664KB

  • memory/2812-192-0x0000000000400000-0x00000000004A6000-memory.dmp

    Filesize

    664KB

  • memory/2812-194-0x0000000000400000-0x00000000004A6000-memory.dmp

    Filesize

    664KB

  • memory/2812-196-0x0000000000400000-0x00000000004A6000-memory.dmp

    Filesize

    664KB

  • memory/2812-198-0x0000000000400000-0x00000000004A6000-memory.dmp

    Filesize

    664KB

  • memory/2812-200-0x0000000000400000-0x00000000004A6000-memory.dmp

    Filesize

    664KB

  • memory/2812-643-0x00000000059E0000-0x0000000005A46000-memory.dmp

    Filesize

    408KB

  • memory/3196-135-0x0000000000000000-mapping.dmp