Overview

overview

10

Static

static

PO_#21005_...20.exe

windows7_x64

10

PO_#21005_...20.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    149s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-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\8236ADF044\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 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 1:43:08 AM MassLogger Started: 5/21/2022 1:43:05 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 <|| 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 Main Payload 1 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 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 4 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\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:1860
    • 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:3412

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PO_#21005_31_7_2020.exe.log
    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    Download Submit
  • memory/1860-130-0x00000000001E0000-0x00000000002CC000-memory.dmp
    Filesize

    944KB

    Download
  • memory/1860-131-0x0000000005340000-0x00000000058E4000-memory.dmp
    Filesize

    5.6MB

    Download
  • memory/1860-132-0x0000000004CE0000-0x0000000004D72000-memory.dmp
    Filesize

    584KB

    Download
  • memory/1860-133-0x0000000004C60000-0x0000000004C6A000-memory.dmp
    Filesize

    40KB

    Download
  • memory/1860-134-0x0000000008560000-0x00000000085FC000-memory.dmp
    Filesize

    624KB

    Download
  • memory/3412-135-0x0000000000000000-mapping.dmp
    Download
  • memory/3412-136-0x0000000000400000-0x00000000004C4000-memory.dmp
    Filesize

    784KB

    Download
  • memory/3412-138-0x0000000005AE0000-0x0000000005B46000-memory.dmp
    Filesize

    408KB

    Download
  • memory/3412-139-0x0000000007550000-0x00000000075A0000-memory.dmp
    Filesize

    320KB

    Download