masslogger | 005e04a19875e8e122c919a7e8ef88b2d15efff1eadb8a30c4096e9194d52494

General

Target

DATASHEET.exe
Size

899KB
MD5

226ccf305c0971c6634d956809ee618f
SHA1

55615741a7d8f84f7edaaf0c5bc851944532f98d
SHA256

4f7ce008febd9fe224c7a7cec7d8abf8c0db3611fd14d8aca135041d21d2b45c
SHA512

2e0a60a33409a36cc3703fefcaa64f3c7907e53736bc549c5c7f3c93e99d0aba1e4fcbbaa82fe301724f7f93e47fc5f12957452baee9829966193a568d22a80c

Score

10^/10

masslogger collection ransomware spyware stealer

Malware Config

Extracted

Path

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

Family

masslogger

Ransom Note

################################################################# MassLogger v1.3.5.0 ################################################################# ### Logger Details ### User Name: Admin IP: 154.61.71.50 Location: United States OS: Microsoft Windows 10 Pro64bit CPU: Intel Core Processor (Broadwell) GPU: Microsoft Basic Display Adapter AV: NA Screen Resolution: 1280x720 Current Time: 5/21/2022 3:11:40 PM MassLogger Started: 5/21/2022 3:11:36 PM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\DATASHEET.exe MassLogger Melt: false MassLogger Exit after delivery: true As Administrator: True Processes:

Extracted

Credentials

Protocol: smtp
Host:
mail.mkontakt.az
Port:
587
Username:
testing@mkontakt.az
Password:
Onyeoba111

Signatures

MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
stealer spyware masslogger

MassLogger Main Payload 32 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1116-137-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/1116-139-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/1116-141-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/1116-143-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/1116-145-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/1116-147-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/1116-149-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/1116-151-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/1116-153-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/1116-155-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/1116-157-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/1116-159-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/1116-161-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/1116-163-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/1116-165-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/1116-167-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/1116-169-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/1116-171-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/1116-173-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/1116-175-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/1116-177-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/1116-179-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/1116-181-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/1116-183-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/1116-185-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/1116-187-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/1116-189-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/1116-191-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/1116-193-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/1116-195-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/1116-197-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/1116-199-0x0000000000400000-0x00000000004B0000-memory.dmp	family_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:

DATASHEET.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation	DATASHEET.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 18 IoCs

collection

Email Collection

T1114

Processes:

DATASHEET.exe

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

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

Processes:

DATASHEET.exe

description pid process target process

PID 4780 set thread context of 1116 4780 DATASHEET.exe DATASHEET.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

DATASHEET.exe

pid process

1116 DATASHEET.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

DATASHEET.exeDATASHEET.exe

pid process

4780 DATASHEET.exe
4780 DATASHEET.exe
1116 DATASHEET.exe
1116 DATASHEET.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

DATASHEET.exeDATASHEET.exe

description pid process

Token: SeDebugPrivilege 4780 DATASHEET.exe
Token: SeDebugPrivilege 1116 DATASHEET.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

DATASHEET.exe

pid process

1116 DATASHEET.exe

flow	ioc
33	api.ipify.org

description	pid	process	target process
PID 4780 set thread context of 1116	4780	DATASHEET.exe	DATASHEET.exe

pid	process
1116	DATASHEET.exe

pid	process
4780	DATASHEET.exe
4780	DATASHEET.exe
1116	DATASHEET.exe
1116	DATASHEET.exe

description	pid	process
Token: SeDebugPrivilege	4780	DATASHEET.exe
Token: SeDebugPrivilege	1116	DATASHEET.exe

pid	process
1116	DATASHEET.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

DATASHEET.exe

description	pid	process	target process
PID 4780 wrote to memory of 2964	4780	DATASHEET.exe	DATASHEET.exe
PID 4780 wrote to memory of 2964	4780	DATASHEET.exe	DATASHEET.exe
PID 4780 wrote to memory of 2964	4780	DATASHEET.exe	DATASHEET.exe
PID 4780 wrote to memory of 1116	4780	DATASHEET.exe	DATASHEET.exe
PID 4780 wrote to memory of 1116	4780	DATASHEET.exe	DATASHEET.exe
PID 4780 wrote to memory of 1116	4780	DATASHEET.exe	DATASHEET.exe
PID 4780 wrote to memory of 1116	4780	DATASHEET.exe	DATASHEET.exe
PID 4780 wrote to memory of 1116	4780	DATASHEET.exe	DATASHEET.exe
PID 4780 wrote to memory of 1116	4780	DATASHEET.exe	DATASHEET.exe
PID 4780 wrote to memory of 1116	4780	DATASHEET.exe	DATASHEET.exe
PID 4780 wrote to memory of 1116	4780	DATASHEET.exe	DATASHEET.exe

outlook_office_path 1 IoCs

Processes:

DATASHEET.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	DATASHEET.exe

outlook_win_path 1 IoCs

Processes:

DATASHEET.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	DATASHEET.exe

C:\Users\Admin\AppData\Local\Temp\DATASHEET.exe
"C:\Users\Admin\AppData\Local\Temp\DATASHEET.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4780

C:\Users\Admin\AppData\Local\Temp\DATASHEET.exe
"{path}"
2⤵
PID:2964

C:\Users\Admin\AppData\Local\Temp\DATASHEET.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:1116

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\DATASHEET.exe.log
Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/1116-163-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1116-139-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1116-647-0x0000000008A20000-0x0000000008A70000-memory.dmp

Filesize
320KB

Download
memory/1116-165-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1116-646-0x0000000005AC0000-0x0000000005B26000-memory.dmp

Filesize
408KB

Download
memory/1116-169-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1116-137-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1116-167-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1116-141-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1116-143-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1116-145-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1116-147-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1116-149-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1116-151-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1116-153-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1116-155-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1116-157-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1116-159-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1116-161-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1116-199-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1116-197-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1116-195-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1116-136-0x0000000000000000-mapping.dmp

Download
memory/1116-171-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1116-173-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1116-175-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1116-177-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1116-179-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1116-181-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1116-183-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1116-185-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1116-187-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1116-189-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1116-191-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1116-193-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2964-135-0x0000000000000000-mapping.dmp

Download
memory/4780-132-0x0000000004C00000-0x0000000004C92000-memory.dmp

Filesize
584KB

Download
memory/4780-134-0x00000000077D0000-0x000000000786C000-memory.dmp

Filesize
624KB

Download
memory/4780-130-0x0000000000140000-0x0000000000226000-memory.dmp

Filesize
920KB

Download
memory/4780-133-0x0000000004BE0000-0x0000000004BEA000-memory.dmp

Filesize
40KB

Download
memory/4780-131-0x0000000005110000-0x00000000056B4000-memory.dmp

Filesize
5.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads