masslogger | 0507e8d5c2ce518dc62fd1b4840e9d6b1c7271d467497af2ec52ab5e99bccf2d

General

Target

Samples and Specification.exe
Size

845KB
MD5

dd952afd86ef9491257618273c4068b9
SHA1

c5e0a733aa1a88835f1068414bc7a5e93140536d
SHA256

d9e8955f7aad89624502ab87b2d50a8728652e7d1c5864f3658d6e8f08d17540
SHA512

99e6dd5ab4fc3f29408206b45449f73a7645ce4b680e56966011c82e3de857b049222eb31494c1b9cc7c81789e9de25cc2852b2db9f513a3ba5774cb8bdafca6

Score

10^/10

masslogger collection ransomware spyware stealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\3B8E3C2477\Log.txt

Family

masslogger

Ransom Note

<|| v2.1.0.0 ||> User Name: Admin IP: 154.61.71.50 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 3:13:03 AM MassLogger Started: 5/21/2022 3:12:49 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\Samples and Specification.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.
stealer spyware masslogger
MassLogger log file 1 IoCs
Detects a log file produced by MassLogger.

Processes:

yara_rule

masslogger_log_file

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

Processes:

Samples and Specification.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Control Panel\International\Geo\Nation	Samples and Specification.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

Processes:

Samples and Specification.exe

description	ioc	process
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Samples and Specification.exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	Samples and Specification.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	Samples and Specification.exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	Samples and Specification.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Samples and Specification.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	Samples and Specification.exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	Samples and Specification.exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	Samples and Specification.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Samples and Specification.exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Samples and Specification.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	Samples and Specification.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	Samples and Specification.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Samples and Specification.exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Samples and Specification.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Samples and Specification.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Samples and Specification.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	Samples and Specification.exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	Samples and Specification.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	Samples and Specification.exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Samples and Specification.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	Samples and Specification.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Samples and Specification.exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Samples and Specification.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Samples and Specification.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Samples and Specification.exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Samples and Specification.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Samples and Specification.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Samples and Specification.exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	Samples and Specification.exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Samples and Specification.exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	Samples and Specification.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Samples and Specification.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Samples and Specification.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Samples and Specification.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Samples and Specification.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.

Processes:

flow ioc

4 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

Samples and Specification.exe

description pid process target process

PID 1648 set thread context of 848 1648 Samples and Specification.exe Samples and Specification.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

Samples and Specification.exe

pid process

848 Samples and Specification.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Samples and Specification.exe

pid process

848 Samples and Specification.exe
848 Samples and Specification.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Samples and Specification.exe

description pid process

Token: SeDebugPrivilege 848 Samples and Specification.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Samples and Specification.exe

pid process

848 Samples and Specification.exe

flow	ioc
4	api.ipify.org

description	pid	process	target process
PID 1648 set thread context of 848	1648	Samples and Specification.exe	Samples and Specification.exe

pid	process
848	Samples and Specification.exe

pid	process
848	Samples and Specification.exe
848	Samples and Specification.exe

description	pid	process
Token: SeDebugPrivilege	848	Samples and Specification.exe

pid	process
848	Samples and Specification.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

Samples and Specification.exe

description	pid	process	target process
PID 1648 wrote to memory of 848	1648	Samples and Specification.exe	Samples and Specification.exe
PID 1648 wrote to memory of 848	1648	Samples and Specification.exe	Samples and Specification.exe
PID 1648 wrote to memory of 848	1648	Samples and Specification.exe	Samples and Specification.exe
PID 1648 wrote to memory of 848	1648	Samples and Specification.exe	Samples and Specification.exe
PID 1648 wrote to memory of 848	1648	Samples and Specification.exe	Samples and Specification.exe
PID 1648 wrote to memory of 848	1648	Samples and Specification.exe	Samples and Specification.exe
PID 1648 wrote to memory of 848	1648	Samples and Specification.exe	Samples and Specification.exe
PID 1648 wrote to memory of 848	1648	Samples and Specification.exe	Samples and Specification.exe
PID 1648 wrote to memory of 848	1648	Samples and Specification.exe	Samples and Specification.exe

outlook_office_path 1 IoCs

Processes:

Samples and Specification.exe

description	ioc	process
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Samples and Specification.exe

outlook_win_path 1 IoCs

Processes:

Samples and Specification.exe

description	ioc	process
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Samples and Specification.exe

C:\Users\Admin\AppData\Local\Temp\Samples and Specification.exe
"C:\Users\Admin\AppData\Local\Temp\Samples and Specification.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1648

C:\Users\Admin\AppData\Local\Temp\Samples and Specification.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:848

Network

MITRE ATT&CK Enterprise 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

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/848-62-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/848-64-0x000000000049483E-mapping.dmp

Download
memory/848-72-0x0000000002160000-0x0000000002174000-memory.dmp

Filesize
80KB

Download
memory/848-71-0x0000000004DC5000-0x0000000004DD6000-memory.dmp

Filesize
68KB

Download
memory/848-58-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/848-59-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/848-69-0x00000000003B0000-0x00000000003F4000-memory.dmp

Filesize
272KB

Download
memory/848-63-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/848-61-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/848-68-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/848-66-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/1648-54-0x00000000008D0000-0x00000000009AA000-memory.dmp

Filesize
872KB

Download
memory/1648-55-0x0000000075F61000-0x0000000075F63000-memory.dmp

Filesize
8KB

Download
memory/1648-57-0x0000000004720000-0x00000000047C2000-memory.dmp

Filesize
648KB

Download
memory/1648-56-0x0000000000320000-0x000000000032A000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads