Overview

overview

10

Static

static

13d8e46ccc...bc.exe

windows7_x64

10

13d8e46ccc...bc.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    153s
  • max time network
    192s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    20-05-2022 07:10

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General

  • Target

    13d8e46cccc3b937a3afad91418e79d55e416264213ad34ede6d3d662f0e6dbc.exe

  • Size

    791KB

  • MD5

    5e11af4f190392e322373d783fd96c5b

  • SHA1

    c94ae027e5173e8da1eb79be7bb5104d753c0be5

  • SHA256

    13d8e46cccc3b937a3afad91418e79d55e416264213ad34ede6d3d662f0e6dbc

  • SHA512

    30f65950133a043ecf5e04e19581ad6864bbcd55325cb92c5ea6fde65b02852d0606f47872d181487eb1da3e10121470982f081b9c26d406e4978b23035dd2ee

Score
10/10
massloggercollectionransomwarespywarestealer

Malware Config

Extracted

Path

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

Family

masslogger

Ransom Note
<|| v2.1.0.0 ||> User Name: Admin IP: 127.0.0.1 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: 5/20/2022 10:12:44 AM MassLogger Started: 5/20/2022 10:12:26 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\13d8e46cccc3b937a3afad91418e79d55e416264213ad34ede6d3d662f0e6dbc.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes: <|| WD Exclusion ||> Disabled <|| Binder ||> Disabled <|| Downloader ||> Disabled <|| USB Spread ||> Disabled <|| Bot Killer ||> Disabled <|| Window Searcher ||> 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 ||> Disabled

Extracted

Credentials

  • Protocol:     smtp
  • Host:
    mail.itdone.cz
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    viObavejMa

Signatures

  • MassLogger

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

    stealerspywaremasslogger
  • 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.

    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
  • 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.

    persistence
  • Modifies system certificate store 2 TTPs 6 IoCs
    evasionspywaretrojan
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\13d8e46cccc3b937a3afad91418e79d55e416264213ad34ede6d3d662f0e6dbc.exe
    "C:\Users\Admin\AppData\Local\Temp\13d8e46cccc3b937a3afad91418e79d55e416264213ad34ede6d3d662f0e6dbc.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1928
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\UAozUjJAzuCCO" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1B8D.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1792
    • C:\Users\Admin\AppData\Local\Temp\13d8e46cccc3b937a3afad91418e79d55e416264213ad34ede6d3d662f0e6dbc.exe
      "{path}"
      2⤵
        PID:1352
      • C:\Users\Admin\AppData\Local\Temp\13d8e46cccc3b937a3afad91418e79d55e416264213ad34ede6d3d662f0e6dbc.exe
        "{path}"
        2⤵
          PID:2044
        • C:\Users\Admin\AppData\Local\Temp\13d8e46cccc3b937a3afad91418e79d55e416264213ad34ede6d3d662f0e6dbc.exe
          "{path}"
          2⤵
          • Checks computer location settings
          • Accesses Microsoft Outlook profiles
          • Modifies system certificate store
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • outlook_office_path
          • outlook_win_path
          PID:1820

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\tmp1B8D.tmp
        Filesize

        1KB

        MD5

        20603bc2f517077d7433763facb84602

        SHA1

        5418b8474c3aef81266bfe5adf1531c88df3033a

        SHA256

        79d688e667b175899d27a9487053d7051c62779513776ed7e1f50220ce10474c

        SHA512

        871586efb9b7c784413890c4f6407b0d2d3d8c78e6c3eb6de2262bf01271f1ffefd36e41435bcbf992fdf13c20d92b129321d397bd8a38ce575e8f62f0ab8db2

        Download Submit

      • memory/1820-63-0x0000000000400000-0x000000000049A000-memory.dmp

        Filesize

        616KB

        Download

      • memory/1820-64-0x0000000000400000-0x000000000049A000-memory.dmp

        Filesize

        616KB

        Download

      • memory/1820-73-0x0000000002090000-0x00000000020A4000-memory.dmp

        Filesize

        80KB

        Download

      • memory/1820-59-0x0000000000400000-0x000000000049A000-memory.dmp

        Filesize

        616KB

        Download

      • memory/1820-60-0x0000000000400000-0x000000000049A000-memory.dmp

        Filesize

        616KB

        Download

      • memory/1820-62-0x0000000000400000-0x000000000049A000-memory.dmp

        Filesize

        616KB

        Download

      • memory/1820-72-0x0000000004E25000-0x0000000004E36000-memory.dmp

        Filesize

        68KB

        Download

      • memory/1820-71-0x0000000075711000-0x0000000075713000-memory.dmp

        Filesize

        8KB

        Download

      • memory/1820-67-0x0000000000400000-0x000000000049A000-memory.dmp

        Filesize

        616KB

        Download

      • memory/1820-69-0x0000000000400000-0x000000000049A000-memory.dmp

        Filesize

        616KB

        Download

      • memory/1820-70-0x00000000007F0000-0x0000000000834000-memory.dmp

        Filesize

        272KB

        Download

      • memory/1928-56-0x0000000004C70000-0x0000000004D12000-memory.dmp

        Filesize

        648KB

        Download

      • memory/1928-54-0x0000000000A20000-0x0000000000AEC000-memory.dmp

        Filesize

        816KB

        Download

      • memory/1928-55-0x0000000000500000-0x000000000050A000-memory.dmp

        Filesize

        40KB

        Download