Overview

overview

10

Static

static

2885d39472...3a.exe

windows7_x64

10

2885d39472...3a.exe

windows10_x64

10

Analysis

  • max time kernel
    155s
  • max time network
    103s
  • platform
    windows7_x64
  • resource
    win7v200722
  • submitted
    31-07-2020 12:01

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General

  • Target

    2885d39472461249eea2d56856ea913a.exe

  • Size

    928KB

  • MD5

    2885d39472461249eea2d56856ea913a

  • SHA1

    be776462df8db7324fd77a134935e6ed17ba6d0a

  • SHA256

    311380e373e370131734bd5c65fe3b8a8b2862fc7049692e92ac12703487edc7

  • SHA512

    2e85f2bfab8a6aab56ec4fd490b09f139d749536020681807c1bc5b0bc0425a5415678182cbf9834f5f67e0fedf21e18259ecf5b2c40f88f271fce93550d7a49

Score
10/10
ransomwareupxspywarestealermasslogger

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\42EF15E83D\Log.txt

Family

masslogger

Ransom Note
<|| v2.1.0.0 ||> User Name: Admin IP: 154.61.71.13 Location: United States Windows OS: Microsoft Windows 7 Professional 64bit Windows Serial Key: HYF8J-CVRMY-CM74G-RPHKF-PW487 CPU: Persocon Processor 2.5+ GPU: Standard VGA Graphics Adapter AV: NA Screen Resolution: 1280x720 Current Time: 7/31/2020 2:01:38 PM MassLogger Started: 7/31/2020 2:01:28 PM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Roaming\appdata\ghjkzxijdk.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

  • Suspicious use of WriteProcessMemory 18 IoCs
  • MassLogger log file 1 IoCs

    Detects a log file produced by MassLogger.

  • MassLogger

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

    stealerspywaremasslogger
  • Suspicious behavior: EnumeratesProcesses 1351 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • NTFS ADS 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 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.

  • Drops startup file 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

    spyware
  • Executes dropped EXE 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • UPX packed file 6 IoCs

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

    upx

Processes

  • C:\Users\Admin\AppData\Local\Temp\2885d39472461249eea2d56856ea913a.exe
    "C:\Users\Admin\AppData\Local\Temp\2885d39472461249eea2d56856ea913a.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    • Suspicious behavior: EnumeratesProcesses
    PID:844
    • C:\Windows\SysWOW64\notepad.exe
      "C:\Windows\system32\notepad.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      • NTFS ADS
      • Loads dropped DLL
      • Drops startup file
      PID:284
      • C:\Users\Admin\AppData\Roaming\appdata\ghjkzxijdk.exe
        "C:\Users\Admin\AppData\Roaming\appdata\ghjkzxijdk.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of SetThreadContext
        • Executes dropped EXE
        PID:1012
        • C:\Users\Admin\AppData\Roaming\appdata\ghjkzxijdk.exe
          "C:\Users\Admin\AppData\Roaming\appdata\ghjkzxijdk.exe"
          4⤵
          • Suspicious use of AdjustPrivilegeToken
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          • Suspicious behavior: AddClipboardFormatListener
          PID:1160
        • C:\Users\Admin\AppData\Roaming\appdata\ghjkzxijdk.exe
          "C:\Users\Admin\AppData\Roaming\appdata\ghjkzxijdk.exe" 2 1160 116439
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Executes dropped EXE
          PID:1052

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\ghjkzxijdk.exe
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  • C:\Users\Admin\AppData\Roaming\appdata\ghjkzxijdk.exe
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  • C:\Users\Admin\AppData\Roaming\appdata\ghjkzxijdk.exe
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  • C:\Users\Admin\AppData\Roaming\appdata\ghjkzxijdk.exe
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  • \Users\Admin\AppData\Roaming\appdata\ghjkzxijdk.exe
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  • \Users\Admin\AppData\Roaming\appdata\ghjkzxijdk.exe
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  • memory/284-1-0x0000000000090000-0x0000000000091000-memory.dmp
    Filesize

    4KB

    Download
  • memory/284-0-0x0000000000000000-mapping.dmp
    Download
  • memory/1012-4-0x0000000000000000-mapping.dmp
    Download
  • memory/1052-10-0x0000000000000000-mapping.dmp
    Download
  • memory/1160-8-0x000000000053FBC0-mapping.dmp
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  • memory/1160-11-0x0000000000400000-0x0000000000541000-memory.dmp
    Filesize

    1.3MB

    Download
  • memory/1160-13-0x0000000000400000-0x0000000000541000-memory.dmp
    Filesize

    1.3MB

    Download
  • memory/1160-7-0x0000000000400000-0x0000000000541000-memory.dmp
    Filesize

    1.3MB

    Download
  • memory/1160-14-0x0000000001F60000-0x0000000001FFA000-memory.dmp
    Filesize

    616KB

    Download
  • memory/1160-15-0x0000000002072000-0x0000000002073000-memory.dmp
    Filesize

    4KB

    Download
  • memory/1160-16-0x0000000000310000-0x00000000003A4000-memory.dmp
    Filesize

    592KB

    Download