masslogger | 6caef307fcb2d7cfdcf569e2e023cd333715be0a457ce9d686490be881900c6d

Analysis

max time kernel
39s
max time network
129s
platform
windows7_x64
resource
win7-20220414-en
submitted
25-05-2022 00:42

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General

Target

6caef307fcb2d7cfdcf569e2e023cd333715be0a457ce9d686490be881900c6d.exe
Size

587KB
MD5

aa8c8d93529a2223e7e520bac4b1162e
SHA1

6ebda446f500738099ddebdb2998209a86d3168c
SHA256

6caef307fcb2d7cfdcf569e2e023cd333715be0a457ce9d686490be881900c6d
SHA512

12d0b9e366ae8f35d9edfa1be5d78493d7520b404c55b5896f93fc03b0aee654dd3ab3abdde30b561514ad2fd8d2b16a54646eba5b9cf69f1960049cdd0c0955

Score

10^/10

masslogger collection ransomware spyware stealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\8506BBE7FF\Log.txt

Family

masslogger

Ransom Note

<|| v2.1.0.0 ||> User Name: Admin IP: 154.61.71.13 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 2:45:19 AM MassLogger Started: 5/25/2022 2:45:04 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\6caef307fcb2d7cfdcf569e2e023cd333715be0a457ce9d686490be881900c6d.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes: <|| WD Exclusion ||> Disabled <|| Binder ||> Disabled <|| USB Spread ||> Disabled <|| Downloader ||> Disabled <|| Bot Killer ||> Disabled <|| Window Searcher ||> 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.
stealer spyware masslogger

MassLogger log file 1 IoCs

Detects a log file produced by MassLogger.

yara_rule
masslogger_log_file

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Control Panel\International\Geo\Nation	6caef307fcb2d7cfdcf569e2e023cd333715be0a457ce9d686490be881900c6d.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Accesses Microsoft Outlook profiles 1 TTPs 35 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6caef307fcb2d7cfdcf569e2e023cd333715be0a457ce9d686490be881900c6d.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	6caef307fcb2d7cfdcf569e2e023cd333715be0a457ce9d686490be881900c6d.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	6caef307fcb2d7cfdcf569e2e023cd333715be0a457ce9d686490be881900c6d.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6caef307fcb2d7cfdcf569e2e023cd333715be0a457ce9d686490be881900c6d.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	6caef307fcb2d7cfdcf569e2e023cd333715be0a457ce9d686490be881900c6d.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	6caef307fcb2d7cfdcf569e2e023cd333715be0a457ce9d686490be881900c6d.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6caef307fcb2d7cfdcf569e2e023cd333715be0a457ce9d686490be881900c6d.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	6caef307fcb2d7cfdcf569e2e023cd333715be0a457ce9d686490be881900c6d.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	6caef307fcb2d7cfdcf569e2e023cd333715be0a457ce9d686490be881900c6d.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	6caef307fcb2d7cfdcf569e2e023cd333715be0a457ce9d686490be881900c6d.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6caef307fcb2d7cfdcf569e2e023cd333715be0a457ce9d686490be881900c6d.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6caef307fcb2d7cfdcf569e2e023cd333715be0a457ce9d686490be881900c6d.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	6caef307fcb2d7cfdcf569e2e023cd333715be0a457ce9d686490be881900c6d.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6caef307fcb2d7cfdcf569e2e023cd333715be0a457ce9d686490be881900c6d.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6caef307fcb2d7cfdcf569e2e023cd333715be0a457ce9d686490be881900c6d.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	6caef307fcb2d7cfdcf569e2e023cd333715be0a457ce9d686490be881900c6d.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6caef307fcb2d7cfdcf569e2e023cd333715be0a457ce9d686490be881900c6d.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6caef307fcb2d7cfdcf569e2e023cd333715be0a457ce9d686490be881900c6d.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6caef307fcb2d7cfdcf569e2e023cd333715be0a457ce9d686490be881900c6d.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	6caef307fcb2d7cfdcf569e2e023cd333715be0a457ce9d686490be881900c6d.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	6caef307fcb2d7cfdcf569e2e023cd333715be0a457ce9d686490be881900c6d.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6caef307fcb2d7cfdcf569e2e023cd333715be0a457ce9d686490be881900c6d.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	6caef307fcb2d7cfdcf569e2e023cd333715be0a457ce9d686490be881900c6d.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	6caef307fcb2d7cfdcf569e2e023cd333715be0a457ce9d686490be881900c6d.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6caef307fcb2d7cfdcf569e2e023cd333715be0a457ce9d686490be881900c6d.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6caef307fcb2d7cfdcf569e2e023cd333715be0a457ce9d686490be881900c6d.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6caef307fcb2d7cfdcf569e2e023cd333715be0a457ce9d686490be881900c6d.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6caef307fcb2d7cfdcf569e2e023cd333715be0a457ce9d686490be881900c6d.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6caef307fcb2d7cfdcf569e2e023cd333715be0a457ce9d686490be881900c6d.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6caef307fcb2d7cfdcf569e2e023cd333715be0a457ce9d686490be881900c6d.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6caef307fcb2d7cfdcf569e2e023cd333715be0a457ce9d686490be881900c6d.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6caef307fcb2d7cfdcf569e2e023cd333715be0a457ce9d686490be881900c6d.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6caef307fcb2d7cfdcf569e2e023cd333715be0a457ce9d686490be881900c6d.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6caef307fcb2d7cfdcf569e2e023cd333715be0a457ce9d686490be881900c6d.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	6caef307fcb2d7cfdcf569e2e023cd333715be0a457ce9d686490be881900c6d.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
3	api.ipify.org

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1984	6caef307fcb2d7cfdcf569e2e023cd333715be0a457ce9d686490be881900c6d.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1984	6caef307fcb2d7cfdcf569e2e023cd333715be0a457ce9d686490be881900c6d.exe

outlook_office_path 1 IoCs

description	ioc	Process
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6caef307fcb2d7cfdcf569e2e023cd333715be0a457ce9d686490be881900c6d.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6caef307fcb2d7cfdcf569e2e023cd333715be0a457ce9d686490be881900c6d.exe

C:\Users\Admin\AppData\Local\Temp\6caef307fcb2d7cfdcf569e2e023cd333715be0a457ce9d686490be881900c6d.exe
"C:\Users\Admin\AppData\Local\Temp\6caef307fcb2d7cfdcf569e2e023cd333715be0a457ce9d686490be881900c6d.exe"
1⤵
- Checks computer location settings
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1984

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/1984-54-0x0000000001080000-0x000000000111A000-memory.dmp

Filesize
616KB

Download
memory/1984-55-0x0000000000A60000-0x0000000000AA4000-memory.dmp

Filesize
272KB

Download
memory/1984-56-0x00000000756E1000-0x00000000756E3000-memory.dmp

Filesize
8KB

Download
memory/1984-57-0x0000000004CA5000-0x0000000004CB6000-memory.dmp

Filesize
68KB

Download
memory/1984-58-0x0000000000EA0000-0x0000000000EB4000-memory.dmp

Filesize
80KB

Download