Overview

overview

10

Static

static

PO46221905.exe

windows7_x64

10

PO46221905.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    136s
  • max time network
    190s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 00:43

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General

  • Target

    PO46221905.exe

  • Size

    841KB

  • MD5

    6de2607d6b582340ac160517edd8feb9

  • SHA1

    ae820bd10915292a37a5d927147138c4a92e7a8b

  • SHA256

    0ce85115b26d769cc29342f77c359fc2177d325e5394154fdc700ea644f69971

  • SHA512

    cd8997e25192e83d4d815066355933d4c31df96e47f3214b620e9d9ddb5aee7e132e101473e7d1b2eda83831f5c1f0ed0392d8e79455cf08022cbf55660c8126

Score
10/10
massloggercollectionransomwarespywarestealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\F95B724EDE\Log.txt

Family

masslogger

Ransom Note
<|| v2.4.0.0 ||> User Name: Admin IP: 154.61.71.50 Location: United States Windows OS: Microsoft Windows 10 Pro 64bit Windows Serial Key: W269N-WFGWX-YVC9B-4J6C9-T83GX CPU: Intel Core Processor (Broadwell) GPU: Microsoft Basic Display Adapter AV: NA Screen Resolution: 1280x720 Current Time: 5/21/2022 3:03:35 AM MassLogger Started: 5/21/2022 3:03:30 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\PO46221905.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 1 IoCs
  • 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 42 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 use of SetThreadContext 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO46221905.exe
    "C:\Users\Admin\AppData\Local\Temp\PO46221905.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3280
    • C:\Users\Admin\AppData\Local\Temp\PO46221905.exe
      "{path}"
      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:4844

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PO46221905.exe.log
    Filesize

    412B

    MD5

    ad1c7f6525cfeb54c0487efd38b0e26c

    SHA1

    ed3da94723ac7e3828a9e93d68418bb810592f3b

    SHA256

    0a534a3d0fa82e6a427164c5f6e702cac7e4afc9967af9bc5ddba4f84ab33276

    SHA512

    48d625e6be5391d91d95c2850226fe39bb2411cb72139797699cfe126e6b066182e83950a8ea67e63b64a66b0d45f58d8bc97cab0363d55c2fd88c0d1d28009c

    Download Submit

  • memory/3280-130-0x0000000000450000-0x0000000000528000-memory.dmp

    Filesize

    864KB

    Download

  • memory/3280-131-0x0000000005240000-0x00000000052DC000-memory.dmp

    Filesize

    624KB

    Download

  • memory/3280-132-0x0000000005380000-0x0000000005412000-memory.dmp

    Filesize

    584KB

    Download

  • memory/4844-133-0x0000000000000000-mapping.dmp

    Download

  • memory/4844-134-0x0000000000400000-0x00000000004B8000-memory.dmp

    Filesize

    736KB

    Download

  • memory/4844-136-0x0000000005A60000-0x0000000006004000-memory.dmp

    Filesize

    5.6MB

    Download

  • memory/4844-137-0x0000000005730000-0x0000000005796000-memory.dmp

    Filesize

    408KB

    Download

  • memory/4844-138-0x0000000007450000-0x000000000745A000-memory.dmp

    Filesize

    40KB

    Download

  • memory/4844-139-0x0000000007630000-0x0000000007680000-memory.dmp

    Filesize

    320KB

    Download