Overview

overview

10

Static

static

20200818__...ls.exe

windows7_x64

10

20200818__...ls.exe

windows10-2004_x64

5

Analysis

  • max time kernel
    127s
  • max time network
    189s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    20-05-2022 22:34

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General

  • Target

    20200818__0019499400199.xls.exe

  • Size

    882KB

  • MD5

    d4d7fe36e22fd879ffa8ce3cbf6de55d

  • SHA1

    ba2994af343adc732d36a0b5169a70c2b6bad115

  • SHA256

    b56dc20e7a6a6b86fb49f3802961cc8b21b75938af4de7bb55db894a8546246c

  • SHA512

    3049861d9196199227063db90811b8aa5e7a2835087590a9dc9b0f27d66b058e322bde602001a53f25f72dabdc2118ff98bcea004b09eff0cf1e882fd54d3ba1

Score
10/10
massloggercollectionransomwarespywarestealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\3B8E3C2477\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 12:44:45 AM MassLogger Started: 5/21/2022 12:44:32 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\20200818__0019499400199.xls.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.

    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 35 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 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\20200818__0019499400199.xls.exe
    "C:\Users\Admin\AppData\Local\Temp\20200818__0019499400199.xls.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1972
    • C:\Users\Admin\AppData\Local\Temp\20200818__0019499400199.xls.exe
      "{path}"
      2⤵
        PID:2024
      • C:\Users\Admin\AppData\Local\Temp\20200818__0019499400199.xls.exe
        "{path}"
        2⤵
          PID:2028
        • C:\Users\Admin\AppData\Local\Temp\20200818__0019499400199.xls.exe
          "{path}"
          2⤵
            PID:2008
          • C:\Users\Admin\AppData\Local\Temp\20200818__0019499400199.xls.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:1968

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1968-64-0x0000000000400000-0x00000000004B8000-memory.dmp

          Filesize

          736KB

          Download

        • memory/1968-65-0x00000000004B2EAE-mapping.dmp

          Download

        • memory/1968-72-0x0000000004DC5000-0x0000000004DD6000-memory.dmp

          Filesize

          68KB

          Download

        • memory/1968-70-0x0000000002030000-0x00000000020A8000-memory.dmp

          Filesize

          480KB

          Download

        • memory/1968-69-0x0000000000400000-0x00000000004B8000-memory.dmp

          Filesize

          736KB

          Download

        • memory/1968-59-0x0000000000400000-0x00000000004B8000-memory.dmp

          Filesize

          736KB

          Download

        • memory/1968-67-0x0000000000400000-0x00000000004B8000-memory.dmp

          Filesize

          736KB

          Download

        • memory/1968-63-0x0000000000400000-0x00000000004B8000-memory.dmp

          Filesize

          736KB

          Download

        • memory/1968-60-0x0000000000400000-0x00000000004B8000-memory.dmp

          Filesize

          736KB

          Download

        • memory/1968-62-0x0000000000400000-0x00000000004B8000-memory.dmp

          Filesize

          736KB

          Download

        • memory/1972-54-0x0000000000210000-0x00000000002F2000-memory.dmp

          Filesize

          904KB

          Download

        • memory/1972-55-0x0000000076C81000-0x0000000076C83000-memory.dmp

          Filesize

          8KB

          Download

        • memory/1972-58-0x0000000005D40000-0x0000000005DF8000-memory.dmp

          Filesize

          736KB

          Download

        • memory/1972-57-0x00000000057E0000-0x0000000005898000-memory.dmp

          Filesize

          736KB

          Download

        • memory/1972-56-0x0000000000480000-0x000000000048A000-memory.dmp

          Filesize

          40KB

          Download