Overview

overview

10

Static

static

PO38566109.exe

windows7_x64

10

PO38566109.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    147s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    20-05-2022 23:54

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    PO38566109.exe

  • Size

    1.1MB

  • MD5

    fa7847631ed84282d3312deda0b14513

  • SHA1

    5fba688b0beb165fa3d83b45e982c39d2b883cc0

  • SHA256

    50dabc4c346b5ce6560e407673b6fa6487f4b335923837f5ef51b918bb158efe

  • SHA512

    e00cb041eddc27fbb62201528bf2107aeab2339a0d3e9a48f3db3dfe377b530d2c30c895805fa1940fa7233f80b31d374ac6c5b3ad5b4a0b5dc0862547534580

Score
10/10
massloggercollectionransomwarespywarestealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\8236ADF044\Log.txt

Family

masslogger

Ransom Note
<|| v2.3.0.0 ||> 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 2:01:01 AM MassLogger Started: 5/21/2022 2:00:55 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\PO38566109.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes: <|| WD Exclusion ||> Disabled <|| Downloader ||> Disabled <|| Binder ||> 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

  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 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\PO38566109.exe
    "C:\Users\Admin\AppData\Local\Temp\PO38566109.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:796
    • C:\Users\Admin\AppData\Local\Temp\PO38566109.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:2820

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

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PO38566109.exe.log
    Filesize

    507B

    MD5

    ab4c71d3ff6255edd4e5c1e09540f49e

    SHA1

    22e06bf4e258741b5df918061871cba998c50cea

    SHA256

    1690fec628f775dd3c3385b800eed126b37978ef2ffd592b024052724caafb5a

    SHA512

    8fa7d0045796e6cda7c28e2b9a690ef550619828c1b5d0ebf8e8367aff4bf4d9f63121e5b4f199d30cb8006eb584c6767f4c59150749b8256dab9dd0ebd9f1af

    Download Submit
  • memory/796-130-0x0000000000BA0000-0x0000000000CC6000-memory.dmp
    Filesize

    1.1MB

    Download
  • memory/796-131-0x0000000005680000-0x000000000571C000-memory.dmp
    Filesize

    624KB

    Download
  • memory/796-132-0x0000000005810000-0x00000000058A2000-memory.dmp
    Filesize

    584KB

    Download
  • memory/796-133-0x00000000066E0000-0x0000000006C84000-memory.dmp
    Filesize

    5.6MB

    Download
  • memory/2820-134-0x0000000000000000-mapping.dmp
    Download
  • memory/2820-135-0x0000000000400000-0x00000000004C6000-memory.dmp
    Filesize

    792KB

    Download
  • memory/2820-137-0x0000000005370000-0x00000000053D6000-memory.dmp
    Filesize

    408KB

    Download
  • memory/2820-138-0x0000000006EF0000-0x0000000006EFA000-memory.dmp
    Filesize

    40KB

    Download
  • memory/2820-139-0x0000000006F30000-0x0000000006F80000-memory.dmp
    Filesize

    320KB

    Download