Overview

overview

10

Static

static

INVOICE USA LIST.exe

windows7_x64

10

INVOICE USA LIST.exe

windows10-2004_x64

9

Sharing

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General

  • Target

    b62f38d60a4f53da440dbccf7c6de49d995260118a36b820fab0d8924108b96d

  • Size

    727KB

  • Sample

    220524-zvwrfsbhel

  • MD5

    343f094ae90929caf113e44b872f020e

  • SHA1

    8baeae865280b0e701055497ba4814d87f8a10a7

  • SHA256

    b62f38d60a4f53da440dbccf7c6de49d995260118a36b820fab0d8924108b96d

  • SHA512

    52b1ac86731f18cca4e1573519a97d6605439166802f75d8bce76c14954e20fe66e7adf2866daafcc21bc389028074d47449a7a426615e53ef1ca0f5198f5da2

Score
10/10
massloggercollectionevasionransomwarespywarestealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\79FE0CC911\Log.txt

Family

masslogger

Ransom Note
################################################################# MassLogger v1.3.5.0 ################################################################# ### Logger Details ### User Name: Admin IP: 154.61.71.51 Location: United States OS: Microsoft Windows 7 Ultimate 64bit CPU: Intel Core Processor (Broadwell) GPU: Standard VGA Graphics Adapter AV: NA Screen Resolution: 1280x720 Current Time: 5/24/2022 9:04:16 PM MassLogger Started: 5/24/2022 9:04:09 PM Interval: 9 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\INVOICE USA LIST.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes:

Extracted

Credentials

  • Protocol:     smtp
  • Host:
    mail.blackpearl-tours.com
  • Port:
    587
  • Username:
    ahmad@blackpearl-tours.com
  • Password:
    ahmad@12mahfouz$

Targets

    • Target

      INVOICE USA LIST.exe

    • Size

      745KB

    • MD5

      d661c9e364745c8487438ee2dc1bdb6c

    • SHA1

      ac7ec5bc8c699ab69d4677ab7b645d8a9111ebda

    • SHA256

      1e82507cd7b999f2ffa46f4591486b0ff45fb3fc664419279c15677f4a5a20d9

    • SHA512

      33d2b676e0f4afb5cb8bbb198fcc64fc9972d684972ab675c00f81c3247590b1eaa781ece5f00e4452910279b74aa890a67ace7f867be1d3dfa008d2c0370821

    Score
    10/10
    massloggercollectionevasionransomwarespywarestealer

    • MassLogger

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

      stealerspywaremasslogger

    • MassLogger log file

      Detects a log file produced by MassLogger.

    • Modifies visibility of file extensions in Explorer

      evasion

    • Looks for VirtualBox Guest Additions in registry

      evasion

    • Looks for VMWare Tools registry key

      evasion

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Accesses Microsoft Outlook profiles

      collection

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Hidden Files and Directories

1
T1158

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Hidden Files and Directories

1
T1158

Modify Registry

1
T1112

Virtualization/Sandbox Evasion

2
T1497

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

5
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Lateral Movement

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Exfiltration

Command and Control

Impact

Tasks