Overview

overview

10

Static

static

RFQ_NO_1.exe

windows7_x64

10

RFQ_NO_1.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    181s
  • max time network
    191s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    20-05-2022 22:39

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General

  • Target

    RFQ_NO_1.exe

  • Size

    860KB

  • MD5

    67eacd653a4fa820cf8dcb436fe4b836

  • SHA1

    122288331e22645eaf037794c4c6acff1ec3122a

  • SHA256

    801125439e5dd24dcb12ecdcad2f6166351c5b55f7d627b99db92d4fa85435f6

  • SHA512

    f678d9b14d257befd476341cb99cef7e49a9d665925e35343b25a1c254e70441fa4aee63ca8636e54dd5869f7fa3f7e93ceac59b5dcd7161e8b875591ca9b9df

Score
10/10
massloggercollectionransomwarespywarestealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\8236ADF044\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 12:50:46 AM MassLogger Started: 5/21/2022 12:50:42 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\RFQ_NO_1.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 7 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\RFQ_NO_1.exe
    "C:\Users\Admin\AppData\Local\Temp\RFQ_NO_1.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1456
    • C:\Users\Admin\AppData\Local\Temp\RFQ_NO_1.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:3304

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

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\RFQ_NO_1.exe.log
    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    Download Submit
  • memory/1456-130-0x0000000000D70000-0x0000000000E4E000-memory.dmp
    Filesize

    888KB

    Download
  • memory/1456-131-0x0000000008140000-0x00000000086E4000-memory.dmp
    Filesize

    5.6MB

    Download
  • memory/1456-132-0x0000000007B90000-0x0000000007C22000-memory.dmp
    Filesize

    584KB

    Download
  • memory/1456-133-0x0000000007C30000-0x0000000007C3A000-memory.dmp
    Filesize

    40KB

    Download
  • memory/1456-134-0x0000000007EA0000-0x0000000007F3C000-memory.dmp
    Filesize

    624KB

    Download
  • memory/3304-135-0x0000000000000000-mapping.dmp
    Download
  • memory/3304-136-0x0000000000400000-0x00000000004B8000-memory.dmp
    Filesize

    736KB

    Download
  • memory/3304-138-0x0000000005490000-0x00000000054F6000-memory.dmp
    Filesize

    408KB

    Download
  • memory/3304-139-0x0000000007AA0000-0x0000000007AF0000-memory.dmp
    Filesize

    320KB

    Download