masslogger | 6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177

General

Target

6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.exe
Size

1.3MB
MD5

3286d2d7dd3441fa833e4f94986675e3
SHA1

5e9943e7baf5669d708881e562e298a9858aa526
SHA256

6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177
SHA512

f494ea05ec5dd154794ffffc6821f7b44191b5b6e472cdc0b70ddd05cb6fad7e425e7792ae1210ec2982e312abee9d1cee7945f426bd2df9ffc5c32e908abf68

Score

10^/10

masslogger collection ransomware spyware stealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\79FE0CC911\Log.txt

Family

masslogger

Ransom Note

################################################################# MassLogger v1.3.5.0 ################################################################# ### Logger Details ### User Name: Admin IP: 154.61.71.51 Location: United States OS: Microsoft Windows 7 Ultimate 64bit CPU: Intel Core Processor (Broadwell) GPU: Standard VGA Graphics Adapter AV: NA Screen Resolution: 1280x720 Current Time: 5/24/2022 5:20:52 PM MassLogger Started: 5/24/2022 5:20:41 PM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes:

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:

6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Control Panel\International\Geo\Nation	6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.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 15 IoCs

collection

Email Collection

T1114

Processes:

6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.exe

description	ioc	process
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.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

3 api.ipify.org

flow	ioc
3	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

Processes:

6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.exe

description	pid	process	target process
PID 1100 set thread context of 1828	1100	6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.exe	6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.exe

pid process

1828 6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.exe

pid	process
1828	6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.exe6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.exe

pid	process
1100	6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.exe
1828	6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.exe
1828	6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.exe

Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.exe

pid process

1100 6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.exe

description pid process

Token: SeDebugPrivilege 1828 6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.exe

pid process

1828 6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.exe

description	pid	process
Token: SeDebugPrivilege	1828	6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.exe

pid	process
1828	6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.exe

description	pid	process	target process
PID 1100 wrote to memory of 1828	1100	6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.exe	6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.exe
PID 1100 wrote to memory of 1828	1100	6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.exe	6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.exe
PID 1100 wrote to memory of 1828	1100	6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.exe	6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.exe
PID 1100 wrote to memory of 1828	1100	6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.exe	6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.exe

outlook_office_path 1 IoCs

Processes:

6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.exe

description	ioc	process
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.exe

outlook_win_path 1 IoCs

Processes:

6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.exe

description	ioc	process
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.exe

C:\Users\Admin\AppData\Local\Temp\6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.exe
"C:\Users\Admin\AppData\Local\Temp\6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1100

C:\Users\Admin\AppData\Local\Temp\6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.exe
"C:\Users\Admin\AppData\Local\Temp\6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.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:1828

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

memory/1100-54-0x0000000074B51000-0x0000000074B53000-memory.dmp

Filesize
8KB

Download
memory/1100-56-0x0000000000400000-0x0000000000550000-memory.dmp

Filesize
1.3MB

Download
memory/1828-55-0x0000000000576760-mapping.dmp

Download
memory/1828-58-0x0000000001E70000-0x0000000001F20000-memory.dmp

Filesize
704KB

Download
memory/1828-57-0x0000000001E70000-0x0000000001F20000-memory.dmp

Filesize
704KB

Download
memory/1828-61-0x0000000001E70000-0x0000000001F20000-memory.dmp

Filesize
704KB

Download
memory/1828-63-0x0000000001E70000-0x0000000001F20000-memory.dmp

Filesize
704KB

Download
memory/1828-65-0x0000000001E70000-0x0000000001F20000-memory.dmp

Filesize
704KB

Download
memory/1828-67-0x0000000001E70000-0x0000000001F20000-memory.dmp

Filesize
704KB

Download
memory/1828-69-0x0000000001E70000-0x0000000001F20000-memory.dmp

Filesize
704KB

Download
memory/1828-71-0x0000000001E70000-0x0000000001F20000-memory.dmp

Filesize
704KB

Download
memory/1828-73-0x0000000001E70000-0x0000000001F20000-memory.dmp

Filesize
704KB

Download
memory/1828-75-0x0000000001E70000-0x0000000001F20000-memory.dmp

Filesize
704KB

Download
memory/1828-77-0x0000000001E70000-0x0000000001F20000-memory.dmp

Filesize
704KB

Download
memory/1828-79-0x0000000001E70000-0x0000000001F20000-memory.dmp

Filesize
704KB

Download
memory/1828-81-0x0000000001E70000-0x0000000001F20000-memory.dmp

Filesize
704KB

Download
memory/1828-83-0x0000000001E70000-0x0000000001F20000-memory.dmp

Filesize
704KB

Download
memory/1828-85-0x0000000001E70000-0x0000000001F20000-memory.dmp

Filesize
704KB

Download
memory/1828-87-0x0000000001E70000-0x0000000001F20000-memory.dmp

Filesize
704KB

Download
memory/1828-89-0x0000000001E70000-0x0000000001F20000-memory.dmp

Filesize
704KB

Download
memory/1828-91-0x0000000001E70000-0x0000000001F20000-memory.dmp

Filesize
704KB

Download
memory/1828-93-0x0000000001E70000-0x0000000001F20000-memory.dmp

Filesize
704KB

Download
memory/1828-95-0x0000000001E70000-0x0000000001F20000-memory.dmp

Filesize
704KB

Download
memory/1828-97-0x0000000001E70000-0x0000000001F20000-memory.dmp

Filesize
704KB

Download
memory/1828-99-0x0000000001E70000-0x0000000001F20000-memory.dmp

Filesize
704KB

Download
memory/1828-101-0x0000000001E70000-0x0000000001F20000-memory.dmp

Filesize
704KB

Download
memory/1828-103-0x0000000001E70000-0x0000000001F20000-memory.dmp

Filesize
704KB

Download
memory/1828-105-0x0000000001E70000-0x0000000001F20000-memory.dmp

Filesize
704KB

Download
memory/1828-107-0x0000000001E70000-0x0000000001F20000-memory.dmp

Filesize
704KB

Download
memory/1828-109-0x0000000001E70000-0x0000000001F20000-memory.dmp

Filesize
704KB

Download
memory/1828-111-0x0000000001E70000-0x0000000001F20000-memory.dmp

Filesize
704KB

Download
memory/1828-113-0x0000000001E70000-0x0000000001F20000-memory.dmp

Filesize
704KB

Download
memory/1828-115-0x0000000001E70000-0x0000000001F20000-memory.dmp

Filesize
704KB

Download
memory/1828-117-0x0000000001E70000-0x0000000001F20000-memory.dmp

Filesize
704KB

Download
memory/1828-119-0x0000000001E70000-0x0000000001F20000-memory.dmp

Filesize
704KB

Download
memory/1828-570-0x0000000004B90000-0x0000000004BD4000-memory.dmp

Filesize
272KB

Download
memory/1828-571-0x0000000004D45000-0x0000000004D56000-memory.dmp

Filesize
68KB

Download
memory/1828-572-0x0000000006330000-0x0000000006344000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads