masslogger | 4f7ce008febd9fe224c7a7cec7d8abf8c0db3611fd14d8aca135041d21d2b45c

General

Target

4f7ce008febd9fe224c7a7cec7d8abf8c0db3611fd14d8aca135041d21d2b45c.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\AEF946DCB4\Log.txt

Family

masslogger

Ransom Note

################################################################# MassLogger v1.3.5.0 ################################################################# ### Logger Details ### User Name: Admin IP: 127.0.0.1 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: 5/21/2022 3:10:38 PM MassLogger Started: 5/21/2022 3:10:20 PM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\4f7ce008febd9fe224c7a7cec7d8abf8c0db3611fd14d8aca135041d21d2b45c.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
behavioral1/memory/1328-61-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1328-62-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1328-63-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1328-64-0x00000000004ABAAE-mapping.dmp	family_masslogger
behavioral1/memory/1328-66-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1328-68-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1328-70-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1328-72-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1328-74-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1328-76-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1328-78-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1328-80-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1328-82-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1328-84-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1328-90-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1328-88-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1328-96-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1328-100-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1328-98-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1328-94-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1328-102-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1328-92-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1328-104-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1328-86-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1328-106-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1328-110-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1328-108-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1328-114-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1328-112-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1328-116-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1328-118-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/1328-120-0x0000000000400000-0x00000000004B0000-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:

4f7ce008febd9fe224c7a7cec7d8abf8c0db3611fd14d8aca135041d21d2b45c.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Control Panel\International\Geo\Nation	4f7ce008febd9fe224c7a7cec7d8abf8c0db3611fd14d8aca135041d21d2b45c.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:

4f7ce008febd9fe224c7a7cec7d8abf8c0db3611fd14d8aca135041d21d2b45c.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	4f7ce008febd9fe224c7a7cec7d8abf8c0db3611fd14d8aca135041d21d2b45c.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4f7ce008febd9fe224c7a7cec7d8abf8c0db3611fd14d8aca135041d21d2b45c.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	4f7ce008febd9fe224c7a7cec7d8abf8c0db3611fd14d8aca135041d21d2b45c.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4f7ce008febd9fe224c7a7cec7d8abf8c0db3611fd14d8aca135041d21d2b45c.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4f7ce008febd9fe224c7a7cec7d8abf8c0db3611fd14d8aca135041d21d2b45c.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	4f7ce008febd9fe224c7a7cec7d8abf8c0db3611fd14d8aca135041d21d2b45c.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4f7ce008febd9fe224c7a7cec7d8abf8c0db3611fd14d8aca135041d21d2b45c.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4f7ce008febd9fe224c7a7cec7d8abf8c0db3611fd14d8aca135041d21d2b45c.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4f7ce008febd9fe224c7a7cec7d8abf8c0db3611fd14d8aca135041d21d2b45c.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4f7ce008febd9fe224c7a7cec7d8abf8c0db3611fd14d8aca135041d21d2b45c.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4f7ce008febd9fe224c7a7cec7d8abf8c0db3611fd14d8aca135041d21d2b45c.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4f7ce008febd9fe224c7a7cec7d8abf8c0db3611fd14d8aca135041d21d2b45c.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	4f7ce008febd9fe224c7a7cec7d8abf8c0db3611fd14d8aca135041d21d2b45c.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	4f7ce008febd9fe224c7a7cec7d8abf8c0db3611fd14d8aca135041d21d2b45c.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	4f7ce008febd9fe224c7a7cec7d8abf8c0db3611fd14d8aca135041d21d2b45c.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

flow	ioc
4	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

Processes:

4f7ce008febd9fe224c7a7cec7d8abf8c0db3611fd14d8aca135041d21d2b45c.exe

description	pid	process	target process
PID 880 set thread context of 1328	880	4f7ce008febd9fe224c7a7cec7d8abf8c0db3611fd14d8aca135041d21d2b45c.exe	4f7ce008febd9fe224c7a7cec7d8abf8c0db3611fd14d8aca135041d21d2b45c.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

4f7ce008febd9fe224c7a7cec7d8abf8c0db3611fd14d8aca135041d21d2b45c.exe

pid process

1328 4f7ce008febd9fe224c7a7cec7d8abf8c0db3611fd14d8aca135041d21d2b45c.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

4f7ce008febd9fe224c7a7cec7d8abf8c0db3611fd14d8aca135041d21d2b45c.exe

pid	process
1328	4f7ce008febd9fe224c7a7cec7d8abf8c0db3611fd14d8aca135041d21d2b45c.exe
1328	4f7ce008febd9fe224c7a7cec7d8abf8c0db3611fd14d8aca135041d21d2b45c.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

4f7ce008febd9fe224c7a7cec7d8abf8c0db3611fd14d8aca135041d21d2b45c.exe

description pid process

Token: SeDebugPrivilege 1328 4f7ce008febd9fe224c7a7cec7d8abf8c0db3611fd14d8aca135041d21d2b45c.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

4f7ce008febd9fe224c7a7cec7d8abf8c0db3611fd14d8aca135041d21d2b45c.exe

pid process

1328 4f7ce008febd9fe224c7a7cec7d8abf8c0db3611fd14d8aca135041d21d2b45c.exe

description	pid	process
Token: SeDebugPrivilege	1328	4f7ce008febd9fe224c7a7cec7d8abf8c0db3611fd14d8aca135041d21d2b45c.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

4f7ce008febd9fe224c7a7cec7d8abf8c0db3611fd14d8aca135041d21d2b45c.exe

description	pid	process	target process
PID 880 wrote to memory of 1328	880	4f7ce008febd9fe224c7a7cec7d8abf8c0db3611fd14d8aca135041d21d2b45c.exe	4f7ce008febd9fe224c7a7cec7d8abf8c0db3611fd14d8aca135041d21d2b45c.exe
PID 880 wrote to memory of 1328	880	4f7ce008febd9fe224c7a7cec7d8abf8c0db3611fd14d8aca135041d21d2b45c.exe	4f7ce008febd9fe224c7a7cec7d8abf8c0db3611fd14d8aca135041d21d2b45c.exe
PID 880 wrote to memory of 1328	880	4f7ce008febd9fe224c7a7cec7d8abf8c0db3611fd14d8aca135041d21d2b45c.exe	4f7ce008febd9fe224c7a7cec7d8abf8c0db3611fd14d8aca135041d21d2b45c.exe
PID 880 wrote to memory of 1328	880	4f7ce008febd9fe224c7a7cec7d8abf8c0db3611fd14d8aca135041d21d2b45c.exe	4f7ce008febd9fe224c7a7cec7d8abf8c0db3611fd14d8aca135041d21d2b45c.exe
PID 880 wrote to memory of 1328	880	4f7ce008febd9fe224c7a7cec7d8abf8c0db3611fd14d8aca135041d21d2b45c.exe	4f7ce008febd9fe224c7a7cec7d8abf8c0db3611fd14d8aca135041d21d2b45c.exe
PID 880 wrote to memory of 1328	880	4f7ce008febd9fe224c7a7cec7d8abf8c0db3611fd14d8aca135041d21d2b45c.exe	4f7ce008febd9fe224c7a7cec7d8abf8c0db3611fd14d8aca135041d21d2b45c.exe
PID 880 wrote to memory of 1328	880	4f7ce008febd9fe224c7a7cec7d8abf8c0db3611fd14d8aca135041d21d2b45c.exe	4f7ce008febd9fe224c7a7cec7d8abf8c0db3611fd14d8aca135041d21d2b45c.exe
PID 880 wrote to memory of 1328	880	4f7ce008febd9fe224c7a7cec7d8abf8c0db3611fd14d8aca135041d21d2b45c.exe	4f7ce008febd9fe224c7a7cec7d8abf8c0db3611fd14d8aca135041d21d2b45c.exe
PID 880 wrote to memory of 1328	880	4f7ce008febd9fe224c7a7cec7d8abf8c0db3611fd14d8aca135041d21d2b45c.exe	4f7ce008febd9fe224c7a7cec7d8abf8c0db3611fd14d8aca135041d21d2b45c.exe

outlook_office_path 1 IoCs

Processes:

4f7ce008febd9fe224c7a7cec7d8abf8c0db3611fd14d8aca135041d21d2b45c.exe

description	ioc	process
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4f7ce008febd9fe224c7a7cec7d8abf8c0db3611fd14d8aca135041d21d2b45c.exe

outlook_win_path 1 IoCs

Processes:

4f7ce008febd9fe224c7a7cec7d8abf8c0db3611fd14d8aca135041d21d2b45c.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	4f7ce008febd9fe224c7a7cec7d8abf8c0db3611fd14d8aca135041d21d2b45c.exe

C:\Users\Admin\AppData\Local\Temp\4f7ce008febd9fe224c7a7cec7d8abf8c0db3611fd14d8aca135041d21d2b45c.exe
"C:\Users\Admin\AppData\Local\Temp\4f7ce008febd9fe224c7a7cec7d8abf8c0db3611fd14d8aca135041d21d2b45c.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:880

C:\Users\Admin\AppData\Local\Temp\4f7ce008febd9fe224c7a7cec7d8abf8c0db3611fd14d8aca135041d21d2b45c.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:1328

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/880-54-0x0000000000BA0000-0x0000000000C86000-memory.dmp

Filesize
920KB

Download
memory/880-55-0x0000000075711000-0x0000000075713000-memory.dmp

Filesize
8KB

Download
memory/880-56-0x00000000005B0000-0x00000000005CC000-memory.dmp

Filesize
112KB

Download
memory/880-57-0x0000000005730000-0x00000000057E8000-memory.dmp

Filesize
736KB

Download
memory/1328-58-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1328-59-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1328-61-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1328-62-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1328-63-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1328-64-0x00000000004ABAAE-mapping.dmp

Download
memory/1328-66-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1328-68-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1328-70-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1328-72-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1328-74-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1328-76-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1328-78-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1328-80-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1328-82-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1328-84-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1328-90-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1328-88-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1328-96-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1328-100-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1328-98-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1328-94-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1328-102-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1328-92-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1328-104-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1328-86-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1328-106-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1328-110-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1328-108-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1328-114-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1328-112-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1328-116-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1328-118-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1328-120-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1328-577-0x0000000000570000-0x00000000005B4000-memory.dmp

Filesize
272KB

Download
memory/1328-579-0x0000000000B55000-0x0000000000B66000-memory.dmp

Filesize
68KB

Download
memory/1328-580-0x0000000000B30000-0x0000000000B44000-memory.dmp

Filesize
80KB

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