masslogger | eae9fd488fe30bf1d81e928517f1b48f826ce1568c94d726e0b63a8596ad9124

General

Target

Enquiry-030820..exe
Size

993KB
MD5

a2a1d155dd4b111472471f6e5e8265e9
SHA1

03f2f4c16e064c90fe75386b0805be981ea1b7d8
SHA256

15ac6b1a7fdb92b545dae44b1a88d6328629944771bdce75002637cdbf299027
SHA512

5f595ff5bbfdf226d4cbd6361490dd6ce46f594e108e60e61c59c1bf8f6c063e4b18758b6222653d1d20e7aadd3b02c38bb5ebc8ecdf9b6e611591bfdb0da383

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: 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 1:45:05 AM MassLogger Started: 5/21/2022 1:44:11 AM Interval: 96 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\Enquiry-030820..exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes: <|| WD Exclusion ||> Disabled <|| Binder ||> Disabled <|| Downloader ||> Disabled <|| USB Spread ||> 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 ||> 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.

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:

Enquiry-030820..exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Control Panel\International\Geo\Nation	Enquiry-030820..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:

Enquiry-030820..exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Enquiry-030820..exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Enquiry-030820..exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	Enquiry-030820..exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	Enquiry-030820..exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Enquiry-030820..exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	Enquiry-030820..exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Enquiry-030820..exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Enquiry-030820..exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Enquiry-030820..exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	Enquiry-030820..exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	Enquiry-030820..exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Enquiry-030820..exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Enquiry-030820..exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	Enquiry-030820..exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Enquiry-030820..exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Enquiry-030820..exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Enquiry-030820..exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	Enquiry-030820..exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Enquiry-030820..exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Enquiry-030820..exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Enquiry-030820..exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Enquiry-030820..exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	Enquiry-030820..exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	Enquiry-030820..exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Enquiry-030820..exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Enquiry-030820..exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	Enquiry-030820..exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	Enquiry-030820..exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Enquiry-030820..exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Enquiry-030820..exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	Enquiry-030820..exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	Enquiry-030820..exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Enquiry-030820..exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	Enquiry-030820..exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Enquiry-030820..exe

Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

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

Processes:

Enquiry-030820..exe

description pid process target process

PID 1936 set thread context of 2016 1936 Enquiry-030820..exe Enquiry-030820..exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

1056 schtasks.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

Enquiry-030820..exeEnquiry-030820..exe

pid process

1936 Enquiry-030820..exe
1936 Enquiry-030820..exe
1936 Enquiry-030820..exe
2016 Enquiry-030820..exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Enquiry-030820..exeEnquiry-030820..exe

description pid process

Token: SeDebugPrivilege 1936 Enquiry-030820..exe
Token: SeDebugPrivilege 2016 Enquiry-030820..exe

flow	ioc
4	api.ipify.org
5	api.ipify.org

description	pid	process	target process
PID 1936 set thread context of 2016	1936	Enquiry-030820..exe	Enquiry-030820..exe

pid	process
1056	schtasks.exe

pid	process
1936	Enquiry-030820..exe
1936	Enquiry-030820..exe
1936	Enquiry-030820..exe
2016	Enquiry-030820..exe

description	pid	process
Token: SeDebugPrivilege	1936	Enquiry-030820..exe
Token: SeDebugPrivilege	2016	Enquiry-030820..exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

Enquiry-030820..exe

description	pid	process	target process
PID 1936 wrote to memory of 1056	1936	Enquiry-030820..exe	schtasks.exe
PID 1936 wrote to memory of 1056	1936	Enquiry-030820..exe	schtasks.exe
PID 1936 wrote to memory of 1056	1936	Enquiry-030820..exe	schtasks.exe
PID 1936 wrote to memory of 1056	1936	Enquiry-030820..exe	schtasks.exe
PID 1936 wrote to memory of 2016	1936	Enquiry-030820..exe	Enquiry-030820..exe
PID 1936 wrote to memory of 2016	1936	Enquiry-030820..exe	Enquiry-030820..exe
PID 1936 wrote to memory of 2016	1936	Enquiry-030820..exe	Enquiry-030820..exe
PID 1936 wrote to memory of 2016	1936	Enquiry-030820..exe	Enquiry-030820..exe
PID 1936 wrote to memory of 2016	1936	Enquiry-030820..exe	Enquiry-030820..exe
PID 1936 wrote to memory of 2016	1936	Enquiry-030820..exe	Enquiry-030820..exe
PID 1936 wrote to memory of 2016	1936	Enquiry-030820..exe	Enquiry-030820..exe
PID 1936 wrote to memory of 2016	1936	Enquiry-030820..exe	Enquiry-030820..exe
PID 1936 wrote to memory of 2016	1936	Enquiry-030820..exe	Enquiry-030820..exe

outlook_office_path 1 IoCs

Processes:

Enquiry-030820..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	Enquiry-030820..exe

outlook_win_path 1 IoCs

Processes:

Enquiry-030820..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	Enquiry-030820..exe

C:\Users\Admin\AppData\Local\Temp\Enquiry-030820..exe
"C:\Users\Admin\AppData\Local\Temp\Enquiry-030820..exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1936

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\&startupname&" /XML "C:\Users\Admin\AppData\Local\Temp\tmp197B.tmp"
2⤵
- Creates scheduled task(s)
PID:1056

C:\Users\Admin\AppData\Local\Temp\Enquiry-030820..exe
"{path}"
2⤵
- Checks computer location settings
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2016

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp197B.tmp
Filesize
1KB

MD5
ab15c7fe3dc23f51a8ed4545eb54a9cb

SHA1
206a5e711a5b8819deae10c568fa760a23d9308c

SHA256
2889f7b15e75b474bfa37c720f216861f138e8e39e1d2f807ce751a21086674b

SHA512
29b8f09dfa625fad63d6cae0fd9d9f9ea19a4b5a001138c5afb644c0d37f1cc2e7bf51a4242af433568b22b19613b1570a234474663cc659dd4ad54c7407a114

Download Submit
memory/1056-59-0x0000000000000000-mapping.dmp

Download
memory/1936-54-0x0000000000B10000-0x0000000000C0E000-memory.dmp

Filesize
1016KB

Download
memory/1936-55-0x0000000075D21000-0x0000000075D23000-memory.dmp

Filesize
8KB

Download
memory/1936-56-0x0000000000310000-0x000000000031A000-memory.dmp

Filesize
40KB

Download
memory/1936-57-0x0000000007FE0000-0x0000000008084000-memory.dmp

Filesize
656KB

Download
memory/1936-58-0x0000000008180000-0x0000000008224000-memory.dmp

Filesize
656KB

Download
memory/2016-62-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/2016-61-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/2016-64-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/2016-65-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/2016-66-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/2016-67-0x00000000004940BE-mapping.dmp

Download
memory/2016-69-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/2016-71-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/2016-72-0x0000000000710000-0x0000000000754000-memory.dmp

Filesize
272KB

Download
memory/2016-74-0x00000000022F5000-0x0000000002306000-memory.dmp

Filesize
68KB

Download
memory/2016-75-0x0000000002270000-0x0000000002284000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads