Overview

overview

10

Static

static

RQF.492549...ex.exe

windows7_x64

10

RQF.492549...ex.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    140s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 00:40

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General

  • Target

    RQF.49254960 annex.exe

  • Size

    1.1MB

  • MD5

    05b38d4a44ea9242439c3143809cc1e5

  • SHA1

    f0b6b086ae839312178d27ea01e8034cbefab227

  • SHA256

    9d12d73cdddda4b11bbfa38b1bc056e20063a75f38decb5e8af5e6a30c078673

  • SHA512

    e5123993d2631d6fb10f14b32ca3313979e6297716b29aa99081e134214c73ae49142c403a1288362dfc4d715a8791ade7ccb0d819d690b5f7561ab98012adb3

Score
10/10
massloggercollectionransomwarespywarestealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\3B8E3C2477\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 7 Ultimate 64bit Windows Serial Key: D4F6K-QK3RD-TMVMJ-BBMRX-3MBMV CPU: Intel Core Processor (Broadwell) GPU: Standard VGA Graphics Adapter AV: NA Screen Resolution: 1280x720 Current Time: 5/21/2022 2:56:08 AM MassLogger Started: 5/21/2022 2:55:48 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\RQF.49254960 annex.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 35 IoCs
    collection
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\RQF.49254960 annex.exe
    "C:\Users\Admin\AppData\Local\Temp\RQF.49254960 annex.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2008
    • C:\Users\Admin\AppData\Local\Temp\RQF.49254960 annex.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:812

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

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Downloads

  • memory/812-64-0x0000000000400000-0x00000000004B8000-memory.dmp
    Filesize

    736KB

    Download
  • memory/812-65-0x00000000004B2C3E-mapping.dmp
    Download
  • memory/812-72-0x0000000004C65000-0x0000000004C76000-memory.dmp
    Filesize

    68KB

    Download
  • memory/812-70-0x0000000000770000-0x00000000007E8000-memory.dmp
    Filesize

    480KB

    Download
  • memory/812-69-0x0000000000400000-0x00000000004B8000-memory.dmp
    Filesize

    736KB

    Download
  • memory/812-59-0x0000000000400000-0x00000000004B8000-memory.dmp
    Filesize

    736KB

    Download
  • memory/812-67-0x0000000000400000-0x00000000004B8000-memory.dmp
    Filesize

    736KB

    Download
  • memory/812-63-0x0000000000400000-0x00000000004B8000-memory.dmp
    Filesize

    736KB

    Download
  • memory/812-60-0x0000000000400000-0x00000000004B8000-memory.dmp
    Filesize

    736KB

    Download
  • memory/812-62-0x0000000000400000-0x00000000004B8000-memory.dmp
    Filesize

    736KB

    Download
  • memory/2008-54-0x0000000000090000-0x00000000001B2000-memory.dmp
    Filesize

    1.1MB

    Download
  • memory/2008-55-0x0000000075941000-0x0000000075943000-memory.dmp
    Filesize

    8KB

    Download
  • memory/2008-58-0x0000000007FE0000-0x00000000080A2000-memory.dmp
    Filesize

    776KB

    Download
  • memory/2008-57-0x0000000005EA0000-0x0000000005F6C000-memory.dmp
    Filesize

    816KB

    Download
  • memory/2008-56-0x00000000004F0000-0x00000000004F8000-memory.dmp
    Filesize

    32KB

    Download