masslogger | 0879cb8e48a173b1eb22229ffbef66af17d50638c4f8742bacda83709b44b42f

General

Target

PAYMENT.exe
Size

570KB
MD5

fcec6c7bdf33a7154f7b569495fc6e7c
SHA1

afa9dae1b5575371f54eafa93c17ec10c79ec21c
SHA256

c1eb825c340f71f623701f1bd53ecdc89ffc44a7598f51efc6c1febb8e6439e6
SHA512

64e587d36f93d44edc322fc4f9aae8a743574c5252c7be113641f9613e68fa8f802fe56f0b83f82d0d48bbc40e259a45e7604e119f65ead7265e532508b06dd3

Score

10^/10

masslogger collection ransomware spyware stealer

Malware Config

Extracted

Path

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

Family

masslogger

Ransom Note

<|| v2.4.0.0 ||> 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 2:39:25 PM MassLogger Started: 5/21/2022 2:39:00 PM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\PAYMENT.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.
stealer spyware masslogger

MassLogger Main Payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1440-60-0x0000000000400000-0x00000000004B8000-memory.dmp	family_masslogger
behavioral1/memory/1440-61-0x0000000000400000-0x00000000004B8000-memory.dmp	family_masslogger
behavioral1/memory/1440-62-0x0000000000400000-0x00000000004B8000-memory.dmp	family_masslogger
behavioral1/memory/1440-63-0x00000000004B361E-mapping.dmp	family_masslogger
behavioral1/memory/1440-65-0x0000000000400000-0x00000000004B8000-memory.dmp	family_masslogger
behavioral1/memory/1440-67-0x0000000000400000-0x00000000004B8000-memory.dmp	family_masslogger

MassLogger log file 1 IoCs
Detects a log file produced by MassLogger.

Processes:

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:

PAYMENT.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Control Panel\International\Geo\Nation PAYMENT.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

yara_rule
masslogger_log_file

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Control Panel\International\Geo\Nation	PAYMENT.exe

Accesses Microsoft Outlook profiles 1 TTPs 35 IoCs

collection

Email Collection

T1114

Processes:

PAYMENT.exe

description	ioc	process
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PAYMENT.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PAYMENT.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	PAYMENT.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PAYMENT.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PAYMENT.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	PAYMENT.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PAYMENT.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	PAYMENT.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PAYMENT.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	PAYMENT.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PAYMENT.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	PAYMENT.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PAYMENT.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PAYMENT.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PAYMENT.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	PAYMENT.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	PAYMENT.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PAYMENT.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	PAYMENT.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PAYMENT.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PAYMENT.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	PAYMENT.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PAYMENT.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PAYMENT.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	PAYMENT.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PAYMENT.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PAYMENT.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PAYMENT.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PAYMENT.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PAYMENT.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	PAYMENT.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	PAYMENT.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PAYMENT.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	PAYMENT.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	PAYMENT.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:

PAYMENT.exe

description pid process target process

PID 1992 set thread context of 1440 1992 PAYMENT.exe PAYMENT.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

PAYMENT.exe

pid process

1440 PAYMENT.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

PAYMENT.exe

pid process

1440 PAYMENT.exe
1440 PAYMENT.exe
1440 PAYMENT.exe
1440 PAYMENT.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

PAYMENT.exePAYMENT.exe

description pid process

Token: SeDebugPrivilege 1992 PAYMENT.exe
Token: SeDebugPrivilege 1440 PAYMENT.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

PAYMENT.exe

pid process

1440 PAYMENT.exe

flow	ioc
4	api.ipify.org

description	pid	process	target process
PID 1992 set thread context of 1440	1992	PAYMENT.exe	PAYMENT.exe

pid	process
1440	PAYMENT.exe

pid	process
1440	PAYMENT.exe
1440	PAYMENT.exe
1440	PAYMENT.exe
1440	PAYMENT.exe

description	pid	process
Token: SeDebugPrivilege	1992	PAYMENT.exe
Token: SeDebugPrivilege	1440	PAYMENT.exe

pid	process
1440	PAYMENT.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

PAYMENT.exe

description	pid	process	target process
PID 1992 wrote to memory of 1440	1992	PAYMENT.exe	PAYMENT.exe
PID 1992 wrote to memory of 1440	1992	PAYMENT.exe	PAYMENT.exe
PID 1992 wrote to memory of 1440	1992	PAYMENT.exe	PAYMENT.exe
PID 1992 wrote to memory of 1440	1992	PAYMENT.exe	PAYMENT.exe
PID 1992 wrote to memory of 1440	1992	PAYMENT.exe	PAYMENT.exe
PID 1992 wrote to memory of 1440	1992	PAYMENT.exe	PAYMENT.exe
PID 1992 wrote to memory of 1440	1992	PAYMENT.exe	PAYMENT.exe
PID 1992 wrote to memory of 1440	1992	PAYMENT.exe	PAYMENT.exe
PID 1992 wrote to memory of 1440	1992	PAYMENT.exe	PAYMENT.exe

outlook_office_path 1 IoCs

Processes:

PAYMENT.exe

description	ioc	process
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PAYMENT.exe

outlook_win_path 1 IoCs

Processes:

PAYMENT.exe

description	ioc	process
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PAYMENT.exe

C:\Users\Admin\AppData\Local\Temp\PAYMENT.exe
"C:\Users\Admin\AppData\Local\Temp\PAYMENT.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1992

C:\Users\Admin\AppData\Local\Temp\PAYMENT.exe
"C:\Users\Admin\AppData\Local\Temp\PAYMENT.exe"
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:1440

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

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Downloads

memory/1440-61-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/1440-57-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/1440-58-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/1440-60-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/1440-62-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/1440-63-0x00000000004B361E-mapping.dmp

Download
memory/1440-65-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/1440-67-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/1440-68-0x0000000002170000-0x00000000021E8000-memory.dmp

Filesize
480KB

Download
memory/1440-70-0x0000000000AB5000-0x0000000000AC6000-memory.dmp

Filesize
68KB

Download
memory/1992-55-0x00000000751C1000-0x00000000751C3000-memory.dmp

Filesize
8KB

Download
memory/1992-56-0x0000000007DD0000-0x0000000007E7E000-memory.dmp

Filesize
696KB

Download
memory/1992-54-0x0000000000CD0000-0x0000000000D64000-memory.dmp

Filesize
592KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads