Overview

overview

10

Static

static

c956af5784...aa.exe

windows7_x64

10

c956af5784...aa.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    76s
  • max time network
    68s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    24-05-2022 23:51

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General

  • Target

    c956af5784b710cb77e24120cd238f87cba12c07604ebd98daad9fe379cfcbaa.exe

  • Size

    979KB

  • MD5

    58ad0f5eafa1560d04e4431605757dc9

  • SHA1

    1db34eb943c75aa701925e7f93d414645ba22ab8

  • SHA256

    c956af5784b710cb77e24120cd238f87cba12c07604ebd98daad9fe379cfcbaa

  • SHA512

    d85acd35c2cbd5321175b2dbe0a250808d71096f9f5a4236b9e85625f232213218e0f9582c78a3a09ded9f3f7f83e6ac179c030d9a496b59c40e24c547aa0e2a

Score
10/10
massloggercollectionransomwarespywarestealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\AEF946DCB4\Log.txt

Family

masslogger

Ransom Note
<|| v2.2.0.0 ||> 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: 5/25/2022 1:54:51 AM MassLogger Started: 5/25/2022 1:54:32 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\c956af5784b710cb77e24120cd238f87cba12c07604ebd98daad9fe379cfcbaa.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes: <|| WD Exclusion ||> Disabled <|| Binder ||> Disabled <|| USB Spread ||> 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 6 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 35 IoCs
    collection
  • 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 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c956af5784b710cb77e24120cd238f87cba12c07604ebd98daad9fe379cfcbaa.exe
    "C:\Users\Admin\AppData\Local\Temp\c956af5784b710cb77e24120cd238f87cba12c07604ebd98daad9fe379cfcbaa.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1376
    • C:\Users\Admin\AppData\Local\Temp\c956af5784b710cb77e24120cd238f87cba12c07604ebd98daad9fe379cfcbaa.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:864

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/864-65-0x0000000000400000-0x00000000004C4000-memory.dmp
    Filesize

    784KB

    Download
  • memory/864-68-0x0000000000BD0000-0x0000000000C48000-memory.dmp
    Filesize

    480KB

    Download
  • memory/864-71-0x0000000000CE0000-0x0000000000CF4000-memory.dmp
    Filesize

    80KB

    Download
  • memory/864-60-0x0000000000400000-0x00000000004C4000-memory.dmp
    Filesize

    784KB

    Download
  • memory/864-63-0x00000000004BF93E-mapping.dmp
    Download
  • memory/864-67-0x0000000000400000-0x00000000004C4000-memory.dmp
    Filesize

    784KB

    Download
  • memory/864-70-0x0000000000AB0000-0x0000000000AF0000-memory.dmp
    Filesize

    256KB

    Download
  • memory/864-62-0x0000000000400000-0x00000000004C4000-memory.dmp
    Filesize

    784KB

    Download
  • memory/864-69-0x0000000075AE1000-0x0000000075AE3000-memory.dmp
    Filesize

    8KB

    Download
  • memory/864-61-0x0000000000400000-0x00000000004C4000-memory.dmp
    Filesize

    784KB

    Download
  • memory/864-58-0x0000000000400000-0x00000000004C4000-memory.dmp
    Filesize

    784KB

    Download
  • memory/864-57-0x0000000000400000-0x00000000004C4000-memory.dmp
    Filesize

    784KB

    Download
  • memory/1376-54-0x0000000000D00000-0x0000000000DFA000-memory.dmp
    Filesize

    1000KB

    Download
  • memory/1376-55-0x0000000000230000-0x0000000000238000-memory.dmp
    Filesize

    32KB

    Download
  • memory/1376-56-0x0000000005630000-0x00000000056FC000-memory.dmp
    Filesize

    816KB

    Download