masslogger | d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517

General

Target

d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.exe
Size

1.1MB
MD5

bd0f466d4430c91d4b594be6a1842a25
SHA1

54ee4c4163b7e1ebf7bfa9e431faa0cb4cbcb6f9
SHA256

d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517
SHA512

7f60b6b308183c526e691e4e9db7d2da79f41329a71cc654c88f9a3e3162a503543e47cb611e8bbc607d488f0f49d4c12c02d0202eab71db37ff8a4b3cf32ec4

Score

10^/10

masslogger collection spyware stealer

Malware Config

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/2004-61-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger
behavioral1/memory/2004-62-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger
behavioral1/memory/2004-64-0x0000000000481B4E-mapping.dmp	family_masslogger
behavioral1/memory/2004-63-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger
behavioral1/memory/2004-66-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger
behavioral1/memory/2004-68-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger

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:

d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Control Panel\International\Geo\Nation	d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.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 35 IoCs

collection

Email Collection

T1114

Processes:

d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.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:

d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.exe

description	pid	process	target process
PID 1376 set thread context of 2004	1376	d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.exe	d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.exed3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.exe

pid	process
1376	d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.exe
1376	d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.exe
1376	d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.exe
2004	d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.exe
2004	d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.exe
2004	d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.exed3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.exe

description	pid	process
Token: SeDebugPrivilege	1376	d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.exe
Token: SeDebugPrivilege	2004	d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.exe

description	pid	process	target process
PID 1376 wrote to memory of 1320	1376	d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.exe	d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.exe
PID 1376 wrote to memory of 1320	1376	d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.exe	d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.exe
PID 1376 wrote to memory of 1320	1376	d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.exe	d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.exe
PID 1376 wrote to memory of 1320	1376	d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.exe	d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.exe
PID 1376 wrote to memory of 2004	1376	d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.exe	d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.exe
PID 1376 wrote to memory of 2004	1376	d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.exe	d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.exe
PID 1376 wrote to memory of 2004	1376	d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.exe	d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.exe
PID 1376 wrote to memory of 2004	1376	d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.exe	d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.exe
PID 1376 wrote to memory of 2004	1376	d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.exe	d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.exe
PID 1376 wrote to memory of 2004	1376	d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.exe	d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.exe
PID 1376 wrote to memory of 2004	1376	d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.exe	d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.exe
PID 1376 wrote to memory of 2004	1376	d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.exe	d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.exe
PID 1376 wrote to memory of 2004	1376	d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.exe	d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.exe

outlook_office_path 1 IoCs

Processes:

d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.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	d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.exe

outlook_win_path 1 IoCs

Processes:

d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.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	d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.exe

C:\Users\Admin\AppData\Local\Temp\d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.exe
"C:\Users\Admin\AppData\Local\Temp\d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1376

C:\Users\Admin\AppData\Local\Temp\d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.exe
"{path}"
2⤵
PID:1320

C:\Users\Admin\AppData\Local\Temp\d3927bb8ff26df08ec9d4f9adce917cfde227c7b4a56d169713e15de8e748517.exe
"{path}"
2⤵
- Checks computer location settings
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2004

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

Loading Replay Monitor...

Downloads

memory/1376-54-0x0000000000DA0000-0x0000000000EC0000-memory.dmp

Filesize
1.1MB

Download
memory/1376-55-0x0000000000200000-0x0000000000212000-memory.dmp

Filesize
72KB

Download
memory/1376-56-0x00000000050D0000-0x00000000051A6000-memory.dmp

Filesize
856KB

Download
memory/1376-57-0x0000000007B80000-0x0000000007C54000-memory.dmp

Filesize
848KB

Download
memory/2004-58-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/2004-59-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/2004-61-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/2004-62-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/2004-64-0x0000000000481B4E-mapping.dmp

Download
memory/2004-63-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/2004-66-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/2004-68-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/2004-69-0x0000000075361000-0x0000000075363000-memory.dmp

Filesize
8KB

Download
memory/2004-70-0x00000000043B5000-0x00000000043C6000-memory.dmp

Filesize
68KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads