Overview

overview

10

Static

static

PO5728113.exe

windows7_x64

10

PO5728113.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    145s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    20-05-2022 23:37

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General

  • Target

    PO5728113.exe

  • Size

    890KB

  • MD5

    38623164c45a19e8e2f9cebda4cf1acf

  • SHA1

    4efe968985abb6165e8d4891a0a2ff9dc022c2f6

  • SHA256

    61ec5ccd0f1a6f9ef49ca93d9ee6aab8bfcb85ff06a7e5056375dbc994304ae2

  • SHA512

    01de73669cc0e5fcdda8b5e4f41b9b9dd4c48357be4c70e0d1a714924e1238c9abfc007e6fa7d8da0ea0d015572db214d5a1e394e25716753fbcd11e5fe3fc65

Score
10/10
massloggercollectionransomwarespywarestealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\F95B724EDE\Log.txt

Family

masslogger

Ransom Note
<|| v2.2.0.0 ||> 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: 5/21/2022 1:45:14 AM MassLogger Started: 5/21/2022 1:45:11 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\PO5728113.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes: <|| WD Exclusion ||> Disabled <|| Binder ||> Disabled <|| Downloader ||> Disabled <|| USB Spread ||> 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.

    stealerspywaremasslogger
  • MassLogger Main Payload 1 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.

    spywarestealer
  • Accesses Microsoft Outlook profiles 1 TTPs 42 IoCs
    collection
  • 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 10 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\PO5728113.exe
    "C:\Users\Admin\AppData\Local\Temp\PO5728113.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4848
    • C:\Users\Admin\AppData\Local\Temp\PO5728113.exe
      "{path}"
      2⤵
        PID:1800
      • C:\Users\Admin\AppData\Local\Temp\PO5728113.exe
        "{path}"
        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:3540

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PO5728113.exe.log
      Filesize

      412B

      MD5

      ad1c7f6525cfeb54c0487efd38b0e26c

      SHA1

      ed3da94723ac7e3828a9e93d68418bb810592f3b

      SHA256

      0a534a3d0fa82e6a427164c5f6e702cac7e4afc9967af9bc5ddba4f84ab33276

      SHA512

      48d625e6be5391d91d95c2850226fe39bb2411cb72139797699cfe126e6b066182e83950a8ea67e63b64a66b0d45f58d8bc97cab0363d55c2fd88c0d1d28009c

      Download Submit

    • memory/1800-133-0x0000000000000000-mapping.dmp

      Download

    • memory/3540-134-0x0000000000000000-mapping.dmp

      Download

    • memory/3540-135-0x0000000000400000-0x00000000004C4000-memory.dmp

      Filesize

      784KB

      Download

    • memory/3540-137-0x0000000005FB0000-0x0000000006554000-memory.dmp

      Filesize

      5.6MB

      Download

    • memory/3540-138-0x0000000005AF0000-0x0000000005B56000-memory.dmp

      Filesize

      408KB

      Download

    • memory/3540-139-0x00000000077A0000-0x00000000077AA000-memory.dmp

      Filesize

      40KB

      Download

    • memory/3540-140-0x0000000008170000-0x00000000081C0000-memory.dmp

      Filesize

      320KB

      Download

    • memory/4848-130-0x0000000000AD0000-0x0000000000BB4000-memory.dmp

      Filesize

      912KB

      Download

    • memory/4848-131-0x00000000059F0000-0x0000000005A8C000-memory.dmp

      Filesize

      624KB

      Download

    • memory/4848-132-0x0000000005B30000-0x0000000005BC2000-memory.dmp

      Filesize

      584KB

      Download