Overview

overview

10

Static

static

Price Request,pdf.exe

windows7_x64

10

Price Request,pdf.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    37s
  • max time network
    157s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 11:55

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General

  • Target

    Price Request,pdf.exe

  • Size

    1.2MB

  • MD5

    31bd8e740b21d6ace767d3a175ec11df

  • SHA1

    659058a24deb02b0f47559e14220ea9ddd2280f7

  • SHA256

    921535a6ad60e212e6628f7ae40b356db57c7be4a70c4616d032226fca211523

  • SHA512

    8d79cb3c8deb17bb36da6a45a1f98327b5b52ab6cc00657d085dad4c3c66499d647fff9a5b8d1b52f6dc1c54b4fdba9d97b8a1097fd26bfafcfd7eb971ef76c4

Score
10/10
massloggercollectionransomwarespywarestealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\AEF946DCB4\Log.txt

Family

masslogger

Ransom Note
<|| v2.3.0.0 ||> 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 2:48:27 PM MassLogger Started: 5/21/2022 2:48:16 PM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\Price Request,pdf.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes: <|| WD Exclusion ||> Disabled <|| Downloader ||> Disabled <|| Binder ||> Disabled <|| USB Spread ||> 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 ||> NA

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 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: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Price Request,pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Price Request,pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:1640
    • C:\Users\Admin\AppData\Local\Temp\Price Request,pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\Price Request,pdf.exe"
      2⤵
      • Checks computer location settings
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:1852

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/1640-54-0x0000000075AE1000-0x0000000075AE3000-memory.dmp
    Filesize

    8KB

    Download
  • memory/1640-56-0x0000000000400000-0x000000000053F000-memory.dmp
    Filesize

    1.2MB

    Download
  • memory/1852-55-0x000000000059AF50-mapping.dmp
    Download
  • memory/1852-57-0x00000000020B0000-0x0000000002174000-memory.dmp
    Filesize

    784KB

    Download
  • memory/1852-58-0x00000000020B0000-0x0000000002174000-memory.dmp
    Filesize

    784KB

    Download
  • memory/1852-60-0x0000000004B90000-0x0000000004C08000-memory.dmp
    Filesize

    480KB

    Download
  • memory/1852-61-0x0000000004C95000-0x0000000004CA6000-memory.dmp
    Filesize

    68KB

    Download
  • memory/1852-62-0x0000000005990000-0x00000000059A4000-memory.dmp
    Filesize

    80KB

    Download