Overview

overview

10

Static

static

Enquiry-030820..exe

windows7_x64

10

Enquiry-030820..exe

windows10-2004_x64

10

Analysis

  • max time kernel
    99s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    20-05-2022 23:37

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General

  • Target

    Enquiry-030820..exe

  • Size

    993KB

  • MD5

    a2a1d155dd4b111472471f6e5e8265e9

  • SHA1

    03f2f4c16e064c90fe75386b0805be981ea1b7d8

  • SHA256

    15ac6b1a7fdb92b545dae44b1a88d6328629944771bdce75002637cdbf299027

  • SHA512

    5f595ff5bbfdf226d4cbd6361490dd6ce46f594e108e60e61c59c1bf8f6c063e4b18758b6222653d1d20e7aadd3b02c38bb5ebc8ecdf9b6e611591bfdb0da383

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: 5/21/2022 1:44:01 AM MassLogger Started: 5/21/2022 1:43:55 AM Interval: 96 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\Enquiry-030820..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

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 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: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Enquiry-030820..exe
    "C:\Users\Admin\AppData\Local\Temp\Enquiry-030820..exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4892
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\&startupname&" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFE55.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2780
    • C:\Users\Admin\AppData\Local\Temp\Enquiry-030820..exe
      "{path}"
      2⤵
      • Checks computer location settings
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:3804

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Enquiry-030820..exe.log
    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    Download Submit
  • C:\Users\Admin\AppData\Local\Temp\tmpFE55.tmp
    Filesize

    1KB

    MD5

    4aa7d4126cf14e812f5bb881ec9442d0

    SHA1

    753f1873b92987a4d9d47d14555b0022ee25431b

    SHA256

    5864ffbfd512ba8a57ef045a45be0bdbd76e0f49aae6425959a9154c453cd9c6

    SHA512

    014a3a18e8e1667c1324658c0a7a3f7b83283d9a50c2fd47c92ad420df152c8e93b6517be2d22cc5bea741edffea202a899edc95ef43f9ec2ef940f34a29c3b6

    Download Submit
  • memory/2780-135-0x0000000000000000-mapping.dmp
    Download
  • memory/3804-137-0x0000000000000000-mapping.dmp
    Download
  • memory/3804-138-0x0000000000400000-0x000000000049A000-memory.dmp
    Filesize

    616KB

    Download
  • memory/3804-140-0x0000000005710000-0x0000000005776000-memory.dmp
    Filesize

    408KB

    Download
  • memory/3804-141-0x00000000071F0000-0x0000000007240000-memory.dmp
    Filesize

    320KB

    Download
  • memory/4892-130-0x00000000005F0000-0x00000000006EE000-memory.dmp
    Filesize

    1016KB

    Download
  • memory/4892-131-0x00000000057A0000-0x0000000005D44000-memory.dmp
    Filesize

    5.6MB

    Download
  • memory/4892-132-0x00000000050D0000-0x0000000005162000-memory.dmp
    Filesize

    584KB

    Download
  • memory/4892-133-0x00000000050A0000-0x00000000050AA000-memory.dmp
    Filesize

    40KB

    Download
  • memory/4892-134-0x00000000089C0000-0x0000000008A5C000-memory.dmp
    Filesize

    624KB

    Download