Overview

overview

10

Static

static

92275d7bbd...4e.exe

windows7_x64

10

92275d7bbd...4e.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    80s
  • max time network
    134s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    15/04/2022, 12:36

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General

  • Target

    92275d7bbd6f18af8311e5d5c9b474fe36fa504f26c4e571282360a3e3a8f34e.exe

  • Size

    1.9MB

  • MD5

    ae37e6e01136efd82aa5430fbfddbb92

  • SHA1

    28674b6d6dd511a6562692d687dec38ff953e813

  • SHA256

    92275d7bbd6f18af8311e5d5c9b474fe36fa504f26c4e571282360a3e3a8f34e

  • SHA512

    4e6c6da64e71e3aec08e1786aec4bf2c7fa433002c544fec03a5ab93198f0fec998d428c102683564d2d8f4ed7008ed34f430c205519818be91bfc8ed8739c40

Score
10/10
massloggercollectionpersistenceransomwarespywarestealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\8236ADF044\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 10 Pro 64bit Windows Serial Key: W269N-WFGWX-YVC9B-4J6C9-T83GX CPU: Intel Core Processor (Broadwell) GPU: Microsoft Basic Display Adapter AV: NA Screen Resolution: 1280x720 Current Time: 4/15/2022 2:41:32 PM MassLogger Started: 4/15/2022 2:41:26 PM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\92275d7bbd6f18af8311e5d5c9b474fe36fa504f26c4e571282360a3e3a8f34e.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes: <|| WD Exclusion ||> Disabled <|| Binder ||> Disabled <|| Window Searcher ||> Disabled <|| Downloader ||> 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.

    stealerspywaremasslogger
  • 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.

    spywarestealer
  • Accesses Microsoft Outlook profiles 1 TTPs 42 IoCs
    collection
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 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\92275d7bbd6f18af8311e5d5c9b474fe36fa504f26c4e571282360a3e3a8f34e.exe
    "C:\Users\Admin\AppData\Local\Temp\92275d7bbd6f18af8311e5d5c9b474fe36fa504f26c4e571282360a3e3a8f34e.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:736
    • C:\Users\Admin\AppData\Local\Temp\92275d7bbd6f18af8311e5d5c9b474fe36fa504f26c4e571282360a3e3a8f34e.exe
      "C:\Users\Admin\AppData\Local\Temp\92275d7bbd6f18af8311e5d5c9b474fe36fa504f26c4e571282360a3e3a8f34e.exe"
      2⤵
        PID:3664
      • C:\Users\Admin\AppData\Local\Temp\92275d7bbd6f18af8311e5d5c9b474fe36fa504f26c4e571282360a3e3a8f34e.exe
        "C:\Users\Admin\AppData\Local\Temp\92275d7bbd6f18af8311e5d5c9b474fe36fa504f26c4e571282360a3e3a8f34e.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:2760

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\92275d7bbd6f18af8311e5d5c9b474fe36fa504f26c4e571282360a3e3a8f34e.exe.log
      Filesize

      1KB

      MD5

      7ebe314bf617dc3e48b995a6c352740c

      SHA1

      538f643b7b30f9231a3035c448607f767527a870

      SHA256

      48178f884b8a4dd96e330b210b0530667d9473a7629fc6b4ad12b614bf438ee8

      SHA512

      0ba9d8f4244c15285e254d27b4bff7c49344ff845c48bc0bf0d8563072fab4d6f7a6abe6b6742e8375a08e9a3b3e5d5dc4937ab428dbe2dd8e62892fda04507e

      Download Submit

    • memory/736-130-0x0000000000D60000-0x0000000000F44000-memory.dmp

      Filesize

      1.9MB

      Download

    • memory/736-131-0x0000000005E70000-0x0000000006414000-memory.dmp

      Filesize

      5.6MB

      Download

    • memory/736-132-0x0000000005960000-0x00000000059F2000-memory.dmp

      Filesize

      584KB

      Download

    • memory/736-133-0x0000000005900000-0x000000000590A000-memory.dmp

      Filesize

      40KB

      Download

    • memory/736-134-0x00000000058C0000-0x0000000005E64000-memory.dmp

      Filesize

      5.6MB

      Download

    • memory/2760-137-0x0000000000400000-0x00000000004B8000-memory.dmp

      Filesize

      736KB

      Download

    • memory/2760-139-0x0000000005960000-0x00000000059FC000-memory.dmp

      Filesize

      624KB

      Download

    • memory/2760-140-0x0000000005A70000-0x0000000005AD6000-memory.dmp

      Filesize

      408KB

      Download

    • memory/2760-141-0x00000000058B3000-0x00000000058B5000-memory.dmp

      Filesize

      8KB

      Download

    • memory/2760-142-0x0000000008120000-0x0000000008170000-memory.dmp

      Filesize

      320KB

      Download