Overview

overview

10

Static

static

OUR_NEW_.exe

windows7_x64

10

OUR_NEW_.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    113s
  • max time network
    134s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 01:27

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General

  • Target

    OUR_NEW_.exe

  • Size

    644KB

  • MD5

    b48cda1ebc473b97956ea5c7621322c2

  • SHA1

    e323fb09365e3fab4ecf8bdee5d9c8d42375fd56

  • SHA256

    cce8a02cb6b4a8e601af123a1ec418b1ed77228e3929121f9c3b42eda67b8d17

  • SHA512

    64ca9b8fe571a446875475e54a7d06b540c0737ac3905410ed5ff66955300302917ebdd8c82d38eb7ddce568e4ac381b3802a8e35ed34dea9e9692974ed205be

Score
10/10
massloggercollectionransomwarespywarestealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\EEB932C954\Log.txt

Family

masslogger

Ransom Note
<|| v2.4.0.0 ||> 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 4:13:02 AM MassLogger Started: 5/21/2022 4:12:46 AM Interval: 96 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\OUR_NEW_.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 ||> Disabled

Extracted

Credentials

  • Protocol:     smtp
  • Host:
    mail.copyrap.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    marbella1597

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 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
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\OUR_NEW_.exe
    "C:\Users\Admin\AppData\Local\Temp\OUR_NEW_.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2812
    • C:\Users\Admin\AppData\Local\Temp\OUR_NEW_.exe
      "C:\Users\Admin\AppData\Local\Temp\OUR_NEW_.exe"
      2⤵
      • Checks computer location settings
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:4824

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

1
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

  • memory/2812-130-0x0000000000470000-0x0000000000516000-memory.dmp
    Filesize

    664KB

    Download
  • memory/2812-131-0x0000000005550000-0x0000000005AF4000-memory.dmp
    Filesize

    5.6MB

    Download
  • memory/2812-132-0x0000000004FA0000-0x0000000005032000-memory.dmp
    Filesize

    584KB

    Download
  • memory/2812-133-0x0000000004ED0000-0x0000000004EDA000-memory.dmp
    Filesize

    40KB

    Download
  • memory/2812-134-0x00000000073F0000-0x0000000007466000-memory.dmp
    Filesize

    472KB

    Download
  • memory/2812-135-0x00000000073A0000-0x00000000073BE000-memory.dmp
    Filesize

    120KB

    Download
  • memory/2812-136-0x00000000075A0000-0x0000000007606000-memory.dmp
    Filesize

    408KB

    Download
  • memory/4824-137-0x0000000000000000-mapping.dmp
    Download
  • memory/4824-138-0x0000000000400000-0x00000000004B8000-memory.dmp
    Filesize

    736KB

    Download
  • memory/4824-139-0x0000000005030000-0x00000000050CC000-memory.dmp
    Filesize

    624KB

    Download
  • memory/4824-140-0x0000000006B30000-0x0000000006B80000-memory.dmp
    Filesize

    320KB

    Download