Analysis

  • max time kernel
    84s
  • max time network
    141s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 12:12

General

  • Target

    Order Inquiry List.exe

  • Size

    1.1MB

  • MD5

    5a82e2c1d04b28f1d1c7861b231ccfce

  • SHA1

    39adba5bb7a9585d50993a6264f05aecafcd0a92

  • SHA256

    77edc9558f41f26d6b1586ca2fea51861a67de17a50f9494090070285e1f0c43

  • SHA512

    b32280588cbb9e128ba84c800252edca5736c714ff90d9f710ab684537621c99e63c2e4fe41f36c3313098f20d710661b483bdfbd5e35dbc4410d4bcc339f1ba

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\AEF946DCB4\Log.txt

Family

masslogger

Ransom Note
<|| v2.4.0.0 ||> User Name: Admin IP: 154.61.71.50 Location: United States Windows OS: Microsoft Windows 7 Ultimate 64bit Windows Serial Key: D4F6K-QK3RD-TMVMJ-BBMRX-3MBMV CPU: Intel Core Processor (Broadwell) GPU: Standard VGA Graphics Adapter AV: NA Screen Resolution: 1280x720 Current Time: 5/21/2022 2:25:31 PM MassLogger Started: 5/21/2022 2:25:21 PM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\Order Inquiry List.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes: <|| WD Exclusion ||> Disabled <|| Binder ||> Disabled <|| Downloader ||> Disabled <|| Window Searcher ||> Disabled <|| Bot Killer ||> Disabled <|| Search And Upload ||> Disabled <|| Telegram Desktop ||> Not Installed <|| Pidgin ||> Not Installed <|| FileZilla ||> Not Installed <|| Discord Tokken ||> Not Installed <|| NordVPN ||> Not Installed <|| Outlook ||> Not Installed <|| FoxMail ||> Not Installed <|| Thunderbird ||> Not Installed <|| FireFox ||> Not Found <|| QQ Browser ||> Not Installed <|| Chromium Recovery ||> Not Installed or Not Found <|| Keylogger And Clipboard ||> NA

Signatures

  • MassLogger

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

  • MassLogger Main Payload 6 IoCs
  • MassLogger log file 1 IoCs

    Detects a log file produced by MassLogger.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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 35 IoCs
  • Looks up external IP address via web service 1 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Order Inquiry List.exe
    "C:\Users\Admin\AppData\Local\Temp\Order Inquiry List.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1684
    • C:\Users\Admin\AppData\Local\Temp\Order Inquiry List.exe
      "C:\Users\Admin\AppData\Local\Temp\Order Inquiry List.exe"
      2⤵
      • Checks computer location settings
      • 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:896

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/896-64-0x0000000000400000-0x00000000004B8000-memory.dmp
    Filesize

    736KB

  • memory/896-65-0x00000000004B34AE-mapping.dmp
  • memory/896-72-0x0000000000A15000-0x0000000000A26000-memory.dmp
    Filesize

    68KB

  • memory/896-70-0x0000000004780000-0x00000000047F8000-memory.dmp
    Filesize

    480KB

  • memory/896-69-0x0000000000400000-0x00000000004B8000-memory.dmp
    Filesize

    736KB

  • memory/896-59-0x0000000000400000-0x00000000004B8000-memory.dmp
    Filesize

    736KB

  • memory/896-67-0x0000000000400000-0x00000000004B8000-memory.dmp
    Filesize

    736KB

  • memory/896-63-0x0000000000400000-0x00000000004B8000-memory.dmp
    Filesize

    736KB

  • memory/896-60-0x0000000000400000-0x00000000004B8000-memory.dmp
    Filesize

    736KB

  • memory/896-62-0x0000000000400000-0x00000000004B8000-memory.dmp
    Filesize

    736KB

  • memory/1684-54-0x0000000000880000-0x00000000009AC000-memory.dmp
    Filesize

    1.2MB

  • memory/1684-55-0x0000000074F91000-0x0000000074F93000-memory.dmp
    Filesize

    8KB

  • memory/1684-58-0x0000000005760000-0x0000000005828000-memory.dmp
    Filesize

    800KB

  • memory/1684-57-0x0000000005600000-0x00000000056F8000-memory.dmp
    Filesize

    992KB

  • memory/1684-56-0x0000000000260000-0x0000000000270000-memory.dmp
    Filesize

    64KB