Overview

overview

10

Static

static

PO_#21005_...20.exe

windows7_x64

10

PO_#21005_...20.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    86s
  • max time network
    130s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    20-05-2022 23:36

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General

  • Target

    PO_#21005_31_7_2020.exe

  • Size

    921KB

  • MD5

    16a56c09177049c41b257c9ddb40f752

  • SHA1

    8f296b76a6aa047df1b9079781ec5e5b2f9dd33b

  • SHA256

    911487d7a2f529a62f18bb148dada4366bab2a1d8d4a240133674b2790dfef30

  • SHA512

    80d7091768cc6a2ba4aeb9d66d56555b59e82694bb94a2403916f278dd47d8b4247079bb5100f1f65baa0a829378a5808de4abf8631400bb693e4316dcf590e3

Score
10/10
massloggercollectionransomwarespywarestealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\3B8E3C2477\Log.txt

Family

masslogger

Ransom Note
<|| v2.2.0.0 ||> User Name: Admin IP: 154.61.71.50 Location: United States Windows OS: Microsoft Windows 7 Ultimate 64bit Windows Serial Key: D4F6K-QK3RD-TMVMJ-BBMRX-3MBMV CPU: Intel Core Processor (Broadwell) GPU: Standard VGA Graphics Adapter AV: NA Screen Resolution: 1280x720 Current Time: 5/21/2022 1:43:24 AM MassLogger Started: 5/21/2022 1:43:08 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\PO_#21005_31_7_2020.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes: <|| WD Exclusion ||> Disabled <|| Binder ||> Disabled <|| USB Spread ||> Disabled <|| Downloader ||> 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 Main Payload 6 IoCs
  • 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 35 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO_#21005_31_7_2020.exe
    "C:\Users\Admin\AppData\Local\Temp\PO_#21005_31_7_2020.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1680
    • C:\Users\Admin\AppData\Local\Temp\PO_#21005_31_7_2020.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:2024

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/1680-54-0x0000000000D00000-0x0000000000DEC000-memory.dmp
    Filesize

    944KB

    Download
  • memory/1680-55-0x00000000752B1000-0x00000000752B3000-memory.dmp
    Filesize

    8KB

    Download
  • memory/1680-56-0x00000000004F0000-0x00000000004FA000-memory.dmp
    Filesize

    40KB

    Download
  • memory/1680-57-0x0000000007F40000-0x0000000008010000-memory.dmp
    Filesize

    832KB

    Download
  • memory/1680-58-0x0000000008160000-0x000000000822E000-memory.dmp
    Filesize

    824KB

    Download
  • memory/2024-59-0x0000000000400000-0x00000000004C4000-memory.dmp
    Filesize

    784KB

    Download
  • memory/2024-60-0x0000000000400000-0x00000000004C4000-memory.dmp
    Filesize

    784KB

    Download
  • memory/2024-62-0x0000000000400000-0x00000000004C4000-memory.dmp
    Filesize

    784KB

    Download
  • memory/2024-63-0x0000000000400000-0x00000000004C4000-memory.dmp
    Filesize

    784KB

    Download
  • memory/2024-64-0x0000000000400000-0x00000000004C4000-memory.dmp
    Filesize

    784KB

    Download
  • memory/2024-65-0x00000000004BF9CE-mapping.dmp
    Download
  • memory/2024-67-0x0000000000400000-0x00000000004C4000-memory.dmp
    Filesize

    784KB

    Download
  • memory/2024-69-0x0000000000400000-0x00000000004C4000-memory.dmp
    Filesize

    784KB

    Download
  • memory/2024-70-0x0000000002390000-0x0000000002408000-memory.dmp
    Filesize

    480KB

    Download
  • memory/2024-72-0x00000000005A5000-0x00000000005B6000-memory.dmp
    Filesize

    68KB

    Download
  • memory/2024-73-0x0000000000710000-0x0000000000724000-memory.dmp
    Filesize

    80KB

    Download