masslogger | 80f21cb5b0ce5875df57ef265712066b6ea4496a4a62819e945dac22a15d43d6

General

Target

NEW736_SC736_PDF.exe
Size

1.2MB
MD5

fdc2c2647e2bc4559501196ef4cd68e8
SHA1

9791d414a6db1d12a8e931e09757f873debce1ca
SHA256

4193084a6eba68bbb6aef41ffc1f21685208c6b942de9e5853b70b04834c296e
SHA512

8488c6f2e402bfef834de776d47158b5e12b6a7ee5f0683dd943f23d8f2b8578e112bcc24381018f952435dd2d016e3e6a464ab05b60a6a3d033f2c1b758745a

Score

10^/10

masslogger collection ransomware spyware stealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\F95B724EDE\Log.txt

Family

masslogger

Ransom Note

<|| v2.2.0.0 ||> User Name: Admin IP: 154.61.71.50 Location: United States Windows OS: Microsoft Windows 10 Pro 64bit Windows Serial Key: W269N-WFGWX-YVC9B-4J6C9-T83GX CPU: Intel Core Processor (Broadwell) GPU: Microsoft Basic Display Adapter AV: NA Screen Resolution: 1280x720 Current Time: 5/21/2022 2:25:27 AM MassLogger Started: 5/21/2022 2:25:24 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\NEW736_SC736_PDF.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 ||> 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:

NEW736_SC736_PDF.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation	NEW736_SC736_PDF.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 42 IoCs

collection

Email Collection

T1114

Processes:

NEW736_SC736_PDF.exe

description	ioc	process
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NEW736_SC736_PDF.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\19.0\Outlook\Profiles\Outlook	NEW736_SC736_PDF.exe
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NEW736_SC736_PDF.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	NEW736_SC736_PDF.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NEW736_SC736_PDF.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NEW736_SC736_PDF.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook	NEW736_SC736_PDF.exe
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\18.0\Outlook\Profiles\Outlook	NEW736_SC736_PDF.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NEW736_SC736_PDF.exe
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NEW736_SC736_PDF.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NEW736_SC736_PDF.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NEW736_SC736_PDF.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook	NEW736_SC736_PDF.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NEW736_SC736_PDF.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NEW736_SC736_PDF.exe
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook	NEW736_SC736_PDF.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NEW736_SC736_PDF.exe
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NEW736_SC736_PDF.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NEW736_SC736_PDF.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NEW736_SC736_PDF.exe
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NEW736_SC736_PDF.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NEW736_SC736_PDF.exe
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NEW736_SC736_PDF.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NEW736_SC736_PDF.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NEW736_SC736_PDF.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NEW736_SC736_PDF.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NEW736_SC736_PDF.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook	NEW736_SC736_PDF.exe
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook	NEW736_SC736_PDF.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NEW736_SC736_PDF.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\18.0\Outlook\Profiles\Outlook	NEW736_SC736_PDF.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NEW736_SC736_PDF.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NEW736_SC736_PDF.exe
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	NEW736_SC736_PDF.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NEW736_SC736_PDF.exe
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NEW736_SC736_PDF.exe
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook	NEW736_SC736_PDF.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NEW736_SC736_PDF.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NEW736_SC736_PDF.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\17.0\Outlook\Profiles\Outlook	NEW736_SC736_PDF.exe
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\17.0\Outlook\Profiles\Outlook	NEW736_SC736_PDF.exe
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\19.0\Outlook\Profiles\Outlook	NEW736_SC736_PDF.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

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

Processes:

NEW736_SC736_PDF.exe

description pid process target process

PID 2112 set thread context of 1436 2112 NEW736_SC736_PDF.exe NEW736_SC736_PDF.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

NEW736_SC736_PDF.exe

pid process

1436 NEW736_SC736_PDF.exe

flow	ioc
24	api.ipify.org

description	pid	process	target process
PID 2112 set thread context of 1436	2112	NEW736_SC736_PDF.exe	NEW736_SC736_PDF.exe

pid	process
1436	NEW736_SC736_PDF.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

NEW736_SC736_PDF.exeNEW736_SC736_PDF.exe

pid	process
2112	NEW736_SC736_PDF.exe
2112	NEW736_SC736_PDF.exe
2112	NEW736_SC736_PDF.exe
2112	NEW736_SC736_PDF.exe
2112	NEW736_SC736_PDF.exe
1436	NEW736_SC736_PDF.exe
1436	NEW736_SC736_PDF.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

NEW736_SC736_PDF.exeNEW736_SC736_PDF.exe

description pid process

Token: SeDebugPrivilege 2112 NEW736_SC736_PDF.exe
Token: SeDebugPrivilege 1436 NEW736_SC736_PDF.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

NEW736_SC736_PDF.exe

pid process

1436 NEW736_SC736_PDF.exe

description	pid	process
Token: SeDebugPrivilege	2112	NEW736_SC736_PDF.exe
Token: SeDebugPrivilege	1436	NEW736_SC736_PDF.exe

pid	process
1436	NEW736_SC736_PDF.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

NEW736_SC736_PDF.exe

description	pid	process	target process
PID 2112 wrote to memory of 4064	2112	NEW736_SC736_PDF.exe	NEW736_SC736_PDF.exe
PID 2112 wrote to memory of 4064	2112	NEW736_SC736_PDF.exe	NEW736_SC736_PDF.exe
PID 2112 wrote to memory of 4064	2112	NEW736_SC736_PDF.exe	NEW736_SC736_PDF.exe
PID 2112 wrote to memory of 1492	2112	NEW736_SC736_PDF.exe	NEW736_SC736_PDF.exe
PID 2112 wrote to memory of 1492	2112	NEW736_SC736_PDF.exe	NEW736_SC736_PDF.exe
PID 2112 wrote to memory of 1492	2112	NEW736_SC736_PDF.exe	NEW736_SC736_PDF.exe
PID 2112 wrote to memory of 1436	2112	NEW736_SC736_PDF.exe	NEW736_SC736_PDF.exe
PID 2112 wrote to memory of 1436	2112	NEW736_SC736_PDF.exe	NEW736_SC736_PDF.exe
PID 2112 wrote to memory of 1436	2112	NEW736_SC736_PDF.exe	NEW736_SC736_PDF.exe
PID 2112 wrote to memory of 1436	2112	NEW736_SC736_PDF.exe	NEW736_SC736_PDF.exe
PID 2112 wrote to memory of 1436	2112	NEW736_SC736_PDF.exe	NEW736_SC736_PDF.exe
PID 2112 wrote to memory of 1436	2112	NEW736_SC736_PDF.exe	NEW736_SC736_PDF.exe
PID 2112 wrote to memory of 1436	2112	NEW736_SC736_PDF.exe	NEW736_SC736_PDF.exe
PID 2112 wrote to memory of 1436	2112	NEW736_SC736_PDF.exe	NEW736_SC736_PDF.exe

outlook_office_path 1 IoCs

Processes:

NEW736_SC736_PDF.exe

description	ioc	process
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NEW736_SC736_PDF.exe

outlook_win_path 1 IoCs

Processes:

NEW736_SC736_PDF.exe

description	ioc	process
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NEW736_SC736_PDF.exe

C:\Users\Admin\AppData\Local\Temp\NEW736_SC736_PDF.exe
"C:\Users\Admin\AppData\Local\Temp\NEW736_SC736_PDF.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2112

C:\Users\Admin\AppData\Local\Temp\NEW736_SC736_PDF.exe
"{path}"
2⤵
PID:4064

C:\Users\Admin\AppData\Local\Temp\NEW736_SC736_PDF.exe
"{path}"
2⤵
PID:1492

C:\Users\Admin\AppData\Local\Temp\NEW736_SC736_PDF.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:1436

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

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\NEW736_SC736_PDF.exe.log

Filesize
685B

MD5
05bdd1f220197301f9a03d67595ac7db

SHA1
3fadb2b5770061249ef30552e38e84d2f685e55b

SHA256
72003e1b55ec4ffea8ee1af0f6df49a63ca557165ca3377a114c2e60af181926

SHA512
915f3f1fda5718ff8a8a26cacd8a88bd5ff46edfc40d807cb5860c21e966523d82cadcaaf79240e6d42fcba8335ef0e6bdd05d8d2210cf4d1ed3e4a71fec6d78

Download Submit
memory/1436-137-0x0000000000000000-mapping.dmp

Download
memory/1436-142-0x0000000008270000-0x00000000082C0000-memory.dmp

Filesize
320KB

Download
memory/1436-141-0x00000000078A0000-0x00000000078AA000-memory.dmp

Filesize
40KB

Download
memory/1436-140-0x0000000005980000-0x00000000059E6000-memory.dmp

Filesize
408KB

Download
memory/1436-138-0x0000000000400000-0x00000000004C4000-memory.dmp

Filesize
784KB

Download
memory/1492-136-0x0000000000000000-mapping.dmp

Download
memory/2112-130-0x0000000000B40000-0x0000000000C76000-memory.dmp

Filesize
1.2MB

Download
memory/2112-134-0x0000000005B30000-0x0000000005BCC000-memory.dmp

Filesize
624KB

Download
memory/2112-133-0x0000000006290000-0x0000000006416000-memory.dmp

Filesize
1.5MB

Download
memory/2112-132-0x0000000005660000-0x00000000056F2000-memory.dmp

Filesize
584KB

Download
memory/2112-131-0x0000000005CE0000-0x0000000006284000-memory.dmp

Filesize
5.6MB

Download
memory/4064-135-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads