Overview

overview

10

Static

static

bda61889c5...bf.exe

windows7_x64

10

bda61889c5...bf.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    157s
  • max time network
    181s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220331-en
  • submitted
    27/03/2022, 05:18

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General

  • Target

    bda61889c578ee8c0726b47a62fc71cd5ae277fab761e29898dd8929bcada2bf.exe

  • Size

    866KB

  • MD5

    83828c91e97ed942ff1ccb6dd35cfc2b

  • SHA1

    3205d3b6a010569491c07b3531cc5a134384066d

  • SHA256

    bda61889c578ee8c0726b47a62fc71cd5ae277fab761e29898dd8929bcada2bf

  • SHA512

    e1788ace4f2d687c17fe4cb3e9b181ff73295c0d9a7f06de9d2838a215a1968eac198caf690ded4ea2e156099a1c68b4fab7ad93ddab770a623cb70f7024a45b

Score
10/10
massloggercollectionpersistenceransomwarespywarestealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\57B82846A9\Log.txt

Family

masslogger

Ransom Note
<|| v2.4.0.0 ||> User Name: Admin IP: 127.0.0.1 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: 4/3/2022 4:36:07 PM MassLogger Started: 4/3/2022 4:35:18 PM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\bda61889c578ee8c0726b47a62fc71cd5ae277fab761e29898dd8929bcada2bf.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 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
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • 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 4 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\bda61889c578ee8c0726b47a62fc71cd5ae277fab761e29898dd8929bcada2bf.exe
    "C:\Users\Admin\AppData\Local\Temp\bda61889c578ee8c0726b47a62fc71cd5ae277fab761e29898dd8929bcada2bf.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4008
    • C:\Users\Admin\AppData\Local\Temp\bda61889c578ee8c0726b47a62fc71cd5ae277fab761e29898dd8929bcada2bf.exe
      "C:\Users\Admin\AppData\Local\Temp\bda61889c578ee8c0726b47a62fc71cd5ae277fab761e29898dd8929bcada2bf.exe"
      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:4056

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\bda61889c578ee8c0726b47a62fc71cd5ae277fab761e29898dd8929bcada2bf.exe.log
    Filesize

    1KB

    MD5

    b5291f3dcf2c13784e09a057f2e43d13

    SHA1

    fbb72f4b04269e0d35b1d9c29d02d63dbc7ad07e

    SHA256

    ad995b51344d71019f96fc3a424de00256065daad8595ff599f6849c87ae75ce

    SHA512

    11c89caac425bccaa24e2bb24c6f2b4e6d6863278bf8a5304a42bb44475b08ca586e09143e7d5b14db7f1cd9adacd5358769e0d999dc348073431031067bd4d4

    Download Submit

  • memory/4008-125-0x0000000005EA0000-0x0000000006444000-memory.dmp

    Filesize

    5.6MB

    Download

  • memory/4008-126-0x0000000005810000-0x00000000058A2000-memory.dmp

    Filesize

    584KB

    Download

  • memory/4008-127-0x00000000058C0000-0x00000000058CA000-memory.dmp

    Filesize

    40KB

    Download

  • memory/4008-128-0x0000000005DD0000-0x0000000005E46000-memory.dmp

    Filesize

    472KB

    Download

  • memory/4008-129-0x0000000005D80000-0x0000000005D9E000-memory.dmp

    Filesize

    120KB

    Download

  • memory/4008-124-0x0000000000DA0000-0x0000000000E7C000-memory.dmp

    Filesize

    880KB

    Download

  • memory/4056-131-0x0000000000400000-0x00000000004B8000-memory.dmp

    Filesize

    736KB

    Download

  • memory/4056-133-0x0000000005220000-0x00000000052BC000-memory.dmp

    Filesize

    624KB

    Download

  • memory/4056-134-0x00000000053C0000-0x0000000005426000-memory.dmp

    Filesize

    408KB

    Download

  • memory/4056-135-0x0000000005213000-0x0000000005215000-memory.dmp

    Filesize

    8KB

    Download

  • memory/4056-136-0x00000000073F0000-0x0000000007440000-memory.dmp

    Filesize

    320KB

    Download