Overview

overview

10

Static

static

b5db156d5d...8e.exe

windows7_x64

10

b5db156d5d...8e.exe

windows10_x64

10

Analysis

  • max time kernel
    152s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7v200722
  • submitted
    31-07-2020 08:37

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General

  • Target

    b5db156d5dbb5723927a1a5d4267e98e.exe

  • Size

    920KB

  • MD5

    b5db156d5dbb5723927a1a5d4267e98e

  • SHA1

    b62b0202e8f8502336b2d14ca4a962aac4957237

  • SHA256

    cc86bfa00eb04de2849ee30eab7202d0e3fcd0af3e596c4c4f0bc0e569b4a8b8

  • SHA512

    61d38cee019210c8b0fdbf3abd516c8b49f4b6f174e3da91783065cf4cc630c2ae75bcf28d47d4d25dfe2bc38d5f79e8a652615137e9fa7c9a35ea6dde7edb47

Score
10/10
ransomwareupxstealerspywaremasslogger

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 10:37:27 AM MassLogger Started: 7/31/2020 10:37:20 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Roaming\appdata\sjaddjad.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes: <|| WD Exclusion ||> Disabled <|| Binder ||> Disabled <|| Downloader ||> 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

  • Drops startup file 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • 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.

  • UPX packed file 6 IoCs

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

    upx
  • Reads user/profile data of web browsers 2 TTPs

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

    spyware
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Executes dropped EXE 3 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of SetThreadContext 1 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 1358 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b5db156d5dbb5723927a1a5d4267e98e.exe
    "C:\Users\Admin\AppData\Local\Temp\b5db156d5dbb5723927a1a5d4267e98e.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1480
    • C:\Windows\SysWOW64\notepad.exe
      "C:\Windows\system32\notepad.exe"
      2⤵
      • Drops startup file
      • NTFS ADS
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1492
      • C:\Users\Admin\AppData\Roaming\appdata\sjaddjad.exe
        "C:\Users\Admin\AppData\Roaming\appdata\sjaddjad.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:480
        • C:\Users\Admin\AppData\Roaming\appdata\sjaddjad.exe
          "C:\Users\Admin\AppData\Roaming\appdata\sjaddjad.exe"
          4⤵
          • Suspicious behavior: AddClipboardFormatListener
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Executes dropped EXE
          PID:1620
        • C:\Users\Admin\AppData\Roaming\appdata\sjaddjad.exe
          "C:\Users\Admin\AppData\Roaming\appdata\sjaddjad.exe" 2 1620 85613
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:368

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

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Downloads

  • C:\Users\Admin\AppData\Roaming\appdata\sjaddjad.exe
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  • C:\Users\Admin\AppData\Roaming\appdata\sjaddjad.exe
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  • C:\Users\Admin\AppData\Roaming\appdata\sjaddjad.exe
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  • C:\Users\Admin\AppData\Roaming\appdata\sjaddjad.exe
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  • \Users\Admin\AppData\Roaming\appdata\sjaddjad.exe
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  • \Users\Admin\AppData\Roaming\appdata\sjaddjad.exe
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  • memory/368-10-0x0000000000000000-mapping.dmp
    Download
  • memory/480-4-0x0000000000000000-mapping.dmp
    Download
  • memory/1492-1-0x0000000000090000-0x0000000000091000-memory.dmp
    Filesize

    4KB

    Download
  • memory/1492-0-0x0000000000000000-mapping.dmp
    Download
  • memory/1620-8-0x000000000053FBC0-mapping.dmp
    Download
  • memory/1620-12-0x0000000000400000-0x0000000000541000-memory.dmp
    Filesize

    1.3MB

    Download
  • memory/1620-13-0x0000000000400000-0x0000000000541000-memory.dmp
    Filesize

    1.3MB

    Download
  • memory/1620-7-0x0000000000400000-0x0000000000541000-memory.dmp
    Filesize

    1.3MB

    Download
  • memory/1620-14-0x0000000001EA0000-0x0000000001F3A000-memory.dmp
    Filesize

    616KB

    Download
  • memory/1620-15-0x0000000000362000-0x0000000000363000-memory.dmp
    Filesize

    4KB

    Download
  • memory/1620-16-0x00000000002C0000-0x0000000000354000-memory.dmp
    Filesize

    592KB

    Download