Overview

overview

10

Static

static

CONTRACT P...N!.exe

windows7_x64

10

CONTRACT P...N!.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    85s
  • max time network
    143s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 12:10

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General

  • Target

    CONTRACT PO CONFIRMATION!.exe

  • Size

    1.1MB

  • MD5

    bacf582001e91e3393c2aef245ace9a0

  • SHA1

    c53e68fe71b695e2c7fb6c05aedb422bf5856f7b

  • SHA256

    4474bd1e6a8472755ccac7d31beeefa7575b8b89610b71d1d08cf95a0ca17358

  • SHA512

    0f7f7117b8551f1f91da85bc933185b1f3729bca987471ef29ba779e328eefbc9d1d6e0cdc3183cbac674800d32eb2f3eccdc2ae28561d57bce3731b910b99cc

Score
10/10
massloggercollectionevasionransomwarespywarestealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\8506BBE7FF\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 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 2:21:27 PM MassLogger Started: 5/21/2022 2:21:18 PM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\CONTRACT PO CONFIRMATION!.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 ||> NA

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.

  • Looks for VirtualBox Guest Additions in registry 2 TTPs
    evasion
  • Looks for VMWare Tools registry key 2 TTPs
    evasion
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • 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.

  • Maps connected drives based on registry 3 TTPs 2 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\CONTRACT PO CONFIRMATION!.exe
    "C:\Users\Admin\AppData\Local\Temp\CONTRACT PO CONFIRMATION!.exe"
    1⤵
    • Checks BIOS information in registry
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2008
    • C:\Users\Admin\AppData\Local\Temp\CONTRACT PO CONFIRMATION!.exe
      "C:\Users\Admin\AppData\Local\Temp\CONTRACT PO CONFIRMATION!.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:1768

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

3
T1082

Peripheral Device Discovery

1
T1120

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/1768-68-0x0000000000400000-0x00000000004B8000-memory.dmp
    Filesize

    736KB

    Download
  • memory/1768-60-0x0000000000400000-0x00000000004B8000-memory.dmp
    Filesize

    736KB

    Download
  • memory/1768-73-0x0000000004CD5000-0x0000000004CE6000-memory.dmp
    Filesize

    68KB

    Download
  • memory/1768-71-0x0000000000D60000-0x0000000000DD8000-memory.dmp
    Filesize

    480KB

    Download
  • memory/1768-63-0x0000000000400000-0x00000000004B8000-memory.dmp
    Filesize

    736KB

    Download
  • memory/1768-70-0x0000000000400000-0x00000000004B8000-memory.dmp
    Filesize

    736KB

    Download
  • memory/1768-65-0x0000000000400000-0x00000000004B8000-memory.dmp
    Filesize

    736KB

    Download
  • memory/1768-61-0x0000000000400000-0x00000000004B8000-memory.dmp
    Filesize

    736KB

    Download
  • memory/1768-64-0x0000000000400000-0x00000000004B8000-memory.dmp
    Filesize

    736KB

    Download
  • memory/1768-66-0x00000000004B31FE-mapping.dmp
    Download
  • memory/2008-58-0x0000000000580000-0x0000000000586000-memory.dmp
    Filesize

    24KB

    Download
  • memory/2008-55-0x0000000076191000-0x0000000076193000-memory.dmp
    Filesize

    8KB

    Download
  • memory/2008-54-0x0000000000F60000-0x0000000001080000-memory.dmp
    Filesize

    1.1MB

    Download
  • memory/2008-59-0x0000000005800000-0x00000000058BC000-memory.dmp
    Filesize

    752KB

    Download
  • memory/2008-57-0x0000000005720000-0x00000000057FA000-memory.dmp
    Filesize

    872KB

    Download
  • memory/2008-56-0x0000000000490000-0x00000000004A8000-memory.dmp
    Filesize

    96KB

    Download