Overview

overview

10

Static

static

enquiry 2478329.exe

windows7_x64

10

enquiry 2478329.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    152s
  • max time network
    164s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 00:50

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General

  • Target

    enquiry 2478329.exe

  • Size

    827KB

  • MD5

    26952621c5592ddcba632bed66b20efd

  • SHA1

    fc9924e1c19a656525065e5c32dfaff8c4908b9e

  • SHA256

    5bf98ab621d2e06094f4391b98fb2344fcae6d2a89383a605ffe35809257aabe

  • SHA512

    28788b13282eb595099a1c94af10cad6cff8fc4e43951c873067b783a2f951bf1bb22fc9f9fead8a6f75b0b3814bf6e5747cd2a72a7530d785b3759960b361f6

Score
10/10
massloggercollectionransomwarespywarestealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\8236ADF044\Log.txt

Family

masslogger

Ransom Note
<|| v2.1.0.0 ||> 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 3:10:12 AM MassLogger Started: 5/21/2022 3:10:08 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\enquiry 2478329.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 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: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 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\enquiry 2478329.exe
    "C:\Users\Admin\AppData\Local\Temp\enquiry 2478329.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1616
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\baFbDRpY" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC265.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4208
    • C:\Users\Admin\AppData\Local\Temp\enquiry 2478329.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:4772

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpC265.tmp
    Filesize

    1KB

    MD5

    20010f8abb9ccea3790d4606bf082a62

    SHA1

    8e8b04f37afeea4a469b5ef2aa055ce3f3c17c32

    SHA256

    fccd3dfee57727afe1281a717466cbe9f010d81e47476d32d615d3fb5e4adf15

    SHA512

    2e075294d24ecc5cbf445a7f809358c0b0d1a35e570e64e42d8528b637750d779181c15f009c8438006f4b53f0b4bdc92b645a8b044145836e91e20591e7e2eb

    Download Submit
  • memory/1616-130-0x00000000005E0000-0x00000000006B4000-memory.dmp
    Filesize

    848KB

    Download
  • memory/1616-131-0x00000000054B0000-0x0000000005A54000-memory.dmp
    Filesize

    5.6MB

    Download
  • memory/1616-132-0x0000000004FA0000-0x0000000005032000-memory.dmp
    Filesize

    584KB

    Download
  • memory/1616-133-0x0000000005BF0000-0x0000000005D76000-memory.dmp
    Filesize

    1.5MB

    Download
  • memory/1616-134-0x0000000005A60000-0x0000000005AFC000-memory.dmp
    Filesize

    624KB

    Download
  • memory/4208-135-0x0000000000000000-mapping.dmp
    Download
  • memory/4772-137-0x0000000000000000-mapping.dmp
    Download
  • memory/4772-138-0x0000000000400000-0x000000000049A000-memory.dmp
    Filesize

    616KB

    Download
  • memory/4772-139-0x00000000054C0000-0x0000000005526000-memory.dmp
    Filesize

    408KB

    Download
  • memory/4772-140-0x0000000006F50000-0x0000000006F5A000-memory.dmp
    Filesize

    40KB

    Download
  • memory/4772-141-0x0000000007100000-0x0000000007150000-memory.dmp
    Filesize

    320KB

    Download