Overview

overview

10

Static

static

75fa1950d0...87.exe

windows7_x64

10

75fa1950d0...87.exe

windows10_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    121s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    31-07-2020 08:31

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General

  • Target

    75fa1950d036dddf87bddfa1e0f19387.exe

  • Size

    918KB

  • MD5

    75fa1950d036dddf87bddfa1e0f19387

  • SHA1

    1d7de541391fb805c6b4e3899d547e93845c273d

  • SHA256

    5bd96a0d70ece4a045c040b8d98ae78979da156e27138aa4a8b718cfff978cbf

  • SHA512

    d067a7a49d800052aba052a44c37b78dd01eb9793a14ded33ea7ed9f52884059f7c06358f6f5d2352bf1f4b6755d5e1fd3368f173e4e18966afb97c79e77aa62

Score
10/10
ransomwareupxstealerspywaremasslogger

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\480F96756F\Log.txt

Family

masslogger

Ransom Note
<|| v2.1.0.0 ||> User Name: Admin IP: 154.61.71.51 Location: United States Windows OS: Microsoft Windows 10 Pro 64bit Windows Serial Key: W269N-WFGWX-YVC9B-4J6C9-T83GX CPU: Persocon Processor 2.5+ GPU: Microsoft Basic Display Adapter AV: NA Screen Resolution: 1280x720 Current Time: 7/31/2020 8:32:07 AM MassLogger Started: 7/31/2020 8:32:02 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Roaming\appdata\hdjfksfj.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes: <|| WD Exclusion ||> Disabled <|| Binder ||> Disabled <|| USB Spread ||> 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

  • Executes dropped EXE 3 IoCs
  • MassLogger

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

    stealerspywaremasslogger
  • NTFS ADS 1 IoCs
  • 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 behavior: EnumeratesProcesses 2662 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • MassLogger log file 1 IoCs

    Detects a log file produced by MassLogger.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

    spyware
  • UPX packed file 6 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • Drops startup file 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\75fa1950d036dddf87bddfa1e0f19387.exe
    "C:\Users\Admin\AppData\Local\Temp\75fa1950d036dddf87bddfa1e0f19387.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3384
    • C:\Windows\SysWOW64\notepad.exe
      "C:\Windows\system32\notepad.exe"
      2⤵
      • NTFS ADS
      • Drops startup file
      • Suspicious use of WriteProcessMemory
      PID:3856
      • C:\Users\Admin\AppData\Roaming\appdata\hdjfksfj.exe
        "C:\Users\Admin\AppData\Roaming\appdata\hdjfksfj.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        • Suspicious behavior: MapViewOfSection
        PID:3916
        • C:\Users\Admin\AppData\Roaming\appdata\hdjfksfj.exe
          "C:\Users\Admin\AppData\Roaming\appdata\hdjfksfj.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: AddClipboardFormatListener
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of AdjustPrivilegeToken
          PID:3932
        • C:\Users\Admin\AppData\Roaming\appdata\hdjfksfj.exe
          "C:\Users\Admin\AppData\Roaming\appdata\hdjfksfj.exe" 2 3932 64406
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:3796

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

1
T1081

Discovery

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\appdata\hdjfksfj.exe
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  • C:\Users\Admin\AppData\Roaming\appdata\hdjfksfj.exe
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  • C:\Users\Admin\AppData\Roaming\appdata\hdjfksfj.exe
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  • C:\Users\Admin\AppData\Roaming\appdata\hdjfksfj.exe
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  • memory/3796-7-0x0000000000000000-mapping.dmp
    Download
  • memory/3856-0-0x0000000000000000-mapping.dmp
    Download
  • memory/3916-1-0x0000000000000000-mapping.dmp
    Download
  • memory/3932-5-0x000000000053F860-mapping.dmp
    Download
  • memory/3932-4-0x0000000000400000-0x0000000000541000-memory.dmp
    Filesize

    1.3MB

    Download
  • memory/3932-8-0x0000000000400000-0x0000000000541000-memory.dmp
    Filesize

    1.3MB

    Download
  • memory/3932-10-0x0000000000400000-0x0000000000541000-memory.dmp
    Filesize

    1.3MB

    Download
  • memory/3932-11-0x00000000022B0000-0x000000000234A000-memory.dmp
    Filesize

    616KB

    Download
  • memory/3932-12-0x00000000023B2000-0x00000000023B3000-memory.dmp
    Filesize

    4KB

    Download