Overview

overview

10

Static

static

3a1cc2eb86...63.exe

windows7_x64

10

3a1cc2eb86...63.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    129s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    01/05/2022, 23:21

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General

  • Target

    3a1cc2eb86dbd77206384f5df9aea6ff4acb6a0a1ad67f57ae860ed10acf1263.exe

  • Size

    991KB

  • MD5

    e07eb57dc040f5b32887f0ba40f4ff4b

  • SHA1

    644ffce6ac2f01c9c97f51e39736d448b60fae26

  • SHA256

    3a1cc2eb86dbd77206384f5df9aea6ff4acb6a0a1ad67f57ae860ed10acf1263

  • SHA512

    75c7dec573c7fe7594cbd209f3ffb674f2b0c3fcb4dc3a901cf18fba70316a4b4a243e569c15c901105e00a1d14cd3c048f6e3c25b36e6c0e7f42c5bd6e41617

Score
10/10
massloggercollectionransomwarespywarestealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\19E979543A\Log.txt

Family

masslogger

Ransom Note
<|| v2.1.0.0 ||> User Name: Admin IP: 154.61.71.13 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: 5/2/2022 1:23:10 AM MassLogger Started: 5/2/2022 1:22:46 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\3a1cc2eb86dbd77206384f5df9aea6ff4acb6a0a1ad67f57ae860ed10acf1263.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes: <|| WD Exclusion ||> Disabled <|| Binder ||> Disabled <|| USB Spread ||> 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 Main Payload 1 IoCs
  • MassLogger log file 1 IoCs

    Detects a log file produced by MassLogger.

  • Checks computer location settings 2 TTPs 2 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
  • 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
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3a1cc2eb86dbd77206384f5df9aea6ff4acb6a0a1ad67f57ae860ed10acf1263.exe
    "C:\Users\Admin\AppData\Local\Temp\3a1cc2eb86dbd77206384f5df9aea6ff4acb6a0a1ad67f57ae860ed10acf1263.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4584
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FxEkJOYKdYSU" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF0F7.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2264
    • C:\Users\Admin\AppData\Local\Temp\3a1cc2eb86dbd77206384f5df9aea6ff4acb6a0a1ad67f57ae860ed10acf1263.exe
      "C:\Users\Admin\AppData\Local\Temp\3a1cc2eb86dbd77206384f5df9aea6ff4acb6a0a1ad67f57ae860ed10acf1263.exe"
      2⤵
        PID:2116
      • C:\Users\Admin\AppData\Local\Temp\3a1cc2eb86dbd77206384f5df9aea6ff4acb6a0a1ad67f57ae860ed10acf1263.exe
        "C:\Users\Admin\AppData\Local\Temp\3a1cc2eb86dbd77206384f5df9aea6ff4acb6a0a1ad67f57ae860ed10acf1263.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:3536

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmpF0F7.tmp
      Filesize

      1KB

      MD5

      f9992162aded9622bd1bd1701e7217da

      SHA1

      1700e41f5f6b074f19e4f1fa511376c273b3e53f

      SHA256

      f6abe554b1ac37668c43b97903322635a57cb066214f26cf9ae0232f5e138048

      SHA512

      780bcb780f76feedce9542f82c15cfd410a58d22ffb6987253635d1769e761de5241d59b831506af00a9d1b8696b7e4aefa1c4c9e9f7c35a1e74ff6be9a64bac

      Download Submit

    • memory/3536-140-0x0000000000400000-0x000000000049A000-memory.dmp

      Filesize

      616KB

      Download

    • memory/3536-141-0x0000000005B00000-0x0000000005B66000-memory.dmp

      Filesize

      408KB

      Download

    • memory/3536-142-0x0000000008680000-0x00000000086D0000-memory.dmp

      Filesize

      320KB

      Download

    • memory/4584-134-0x00000000055C0000-0x00000000055CA000-memory.dmp

      Filesize

      40KB

      Download

    • memory/4584-135-0x0000000005830000-0x0000000005886000-memory.dmp

      Filesize

      344KB

      Download

    • memory/4584-133-0x00000000056A0000-0x0000000005732000-memory.dmp

      Filesize

      584KB

      Download

    • memory/4584-132-0x0000000005BB0000-0x0000000006154000-memory.dmp

      Filesize

      5.6MB

      Download

    • memory/4584-131-0x0000000005510000-0x00000000055AC000-memory.dmp

      Filesize

      624KB

      Download

    • memory/4584-130-0x0000000000A80000-0x0000000000B7E000-memory.dmp

      Filesize

      1016KB

      Download