Overview

overview

10

Static

static

d6dc371d4d...3f.exe

windows7_x64

10

d6dc371d4d...3f.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    137s
  • max time network
    168s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    12-05-2022 15:32

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General

  • Target

    d6dc371d4dba1bf997660ebfc9c244a5ccb957f94f002e75d88a5feacdbee23f.exe

  • Size

    624KB

  • MD5

    fa29538d34339a3525490fe3055592a8

  • SHA1

    d6e25cf6d35f19db29c2287a5689e892bf6c0a39

  • SHA256

    d6dc371d4dba1bf997660ebfc9c244a5ccb957f94f002e75d88a5feacdbee23f

  • SHA512

    06b31a45c99575778347977f2a62a308b86cb82948ab6a98eda580ca4d3555fa948c567deff13fcc0949eeb81fc9c414a32999725f06ad5e3d34884fabd7c88b

Score
10/10
massloggercollectionransomwarespywarestealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\79FE0CC911\Log.txt

Family

masslogger

Ransom Note
<|| v2.4.0.0 ||> User Name: Admin IP: 154.61.71.51 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: 5/12/2022 5:32:26 PM MassLogger Started: 5/12/2022 5:32:13 PM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\d6dc371d4dba1bf997660ebfc9c244a5ccb957f94f002e75d88a5feacdbee23f.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes: <|| WD Exclusion ||> Disabled <|| Binder ||> Disabled <|| Window Searcher ||> Disabled <|| Downloader ||> 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 behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 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\d6dc371d4dba1bf997660ebfc9c244a5ccb957f94f002e75d88a5feacdbee23f.exe
    "C:\Users\Admin\AppData\Local\Temp\d6dc371d4dba1bf997660ebfc9c244a5ccb957f94f002e75d88a5feacdbee23f.exe"
    1⤵
    • Checks computer location settings
    • Accesses Microsoft Outlook profiles
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    • outlook_office_path
    • outlook_win_path
    PID:2008
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
      "Powershell" Add-MpPreference -ExclusionPath '"C:\Users\Admin\AppData\Local\Temp\d6dc371d4dba1bf997660ebfc9c244a5ccb957f94f002e75d88a5feacdbee23f.exe"'
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1996

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/1996-57-0x0000000000000000-mapping.dmp
    Download
  • memory/1996-61-0x000000006F2F0000-0x000000006F89B000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/2008-54-0x0000000001050000-0x00000000010F2000-memory.dmp
    Filesize

    648KB

    Download
  • memory/2008-55-0x0000000075271000-0x0000000075273000-memory.dmp
    Filesize

    8KB

    Download
  • memory/2008-56-0x0000000004930000-0x00000000049BE000-memory.dmp
    Filesize

    568KB

    Download
  • memory/2008-58-0x0000000004F20000-0x0000000004FD8000-memory.dmp
    Filesize

    736KB

    Download
  • memory/2008-60-0x0000000005D20000-0x0000000005D98000-memory.dmp
    Filesize

    480KB

    Download
  • memory/2008-62-0x0000000004A05000-0x0000000004A16000-memory.dmp
    Filesize

    68KB

    Download