Overview

overview

10

Static

static

PO NOAB108...df.exe

windows7_x64

10

PO NOAB108...df.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    181s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    24/05/2022, 23:47

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General

  • Target

    PO NOAB1088-2020.pdf.exe

  • Size

    972KB

  • MD5

    e5b79d5699c82c22ac989a739754340d

  • SHA1

    9bd3a38876deb614620f8a9b71e7264d9fd00380

  • SHA256

    a2d04087127197f6a4ae49039fbc2c2dc750ee0fe2d71965a7c675d556d362d3

  • SHA512

    b5216d9b15fc32f937da9438f4fc621327a5ee1eb0481e798b2ae328f090c1c3f9cf1e066f00342c010c0f39d2e75a137bcda2cd6912664fcb7973495bca0f39

Score
10/10
massloggercollectionransomwarespywarestealer

Malware Config

Extracted

Path

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

Family

masslogger

Ransom Note
<|| v2.1.0.0 ||> 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: 5/25/2022 1:50:12 AM MassLogger Started: 5/25/2022 1:50:08 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\PO NOAB1088-2020.pdf.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 ||> Disabled

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 2 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistence
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO NOAB1088-2020.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\PO NOAB1088-2020.pdf.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2428
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LaIrfdsCZdCIJp" /XML "C:\Users\Admin\AppData\Local\Temp\tmpADE3.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4520
    • C:\Users\Admin\AppData\Local\Temp\PO NOAB1088-2020.pdf.exe
      "{path}"
      2⤵
      • Checks computer location settings
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:3556

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PO NOAB1088-2020.pdf.exe.log
    Filesize

    507B

    MD5

    76ffb2f33cb32ade8fc862a67599e9d8

    SHA1

    920cc4ab75b36d2f9f6e979b74db568973c49130

    SHA256

    f1a3724670e3379318ec9c73f6f39058cab0ab013ba3cd90c047c3d701362310

    SHA512

    f33502c2e1bb30c05359bfc6819ca934642a1e01874e3060349127d792694d56ad22fccd6c9477b8ee50d66db35785779324273f509576b48b7f85577e001b4e

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\tmpADE3.tmp
    Filesize

    1KB

    MD5

    767547a36acb68699ba2f3d7a3dc6291

    SHA1

    02dbb601452f57ebf53b25721a831b283fd469ad

    SHA256

    37360dd89a1fbf2acb4cc548b19a797069dd06d2467fb7ce24f17c9299dde367

    SHA512

    7eacfab016c7daf28d76b9d6da8c654e2a321163499ccc6a51c9d12f4a600529168f9e9c2bf43a8cf02bb4459dc96035f475558df79c98aaa8a2b682899894c3

    Download Submit

  • memory/2428-130-0x00000000007F0000-0x00000000008EA000-memory.dmp

    Filesize

    1000KB

    Download

  • memory/2428-131-0x0000000005730000-0x0000000005CD4000-memory.dmp

    Filesize

    5.6MB

    Download

  • memory/2428-132-0x0000000005280000-0x0000000005312000-memory.dmp

    Filesize

    584KB

    Download

  • memory/2428-133-0x00000000053C0000-0x000000000545C000-memory.dmp

    Filesize

    624KB

    Download

  • memory/3556-137-0x0000000000400000-0x000000000049A000-memory.dmp

    Filesize

    616KB

    Download

  • memory/3556-139-0x0000000005850000-0x00000000058B6000-memory.dmp

    Filesize

    408KB

    Download

  • memory/3556-140-0x0000000007240000-0x000000000724A000-memory.dmp

    Filesize

    40KB

    Download

  • memory/3556-141-0x00000000072D0000-0x0000000007320000-memory.dmp

    Filesize

    320KB

    Download