masslogger | 7c41514345f32542fb4e14e372bc1eacd408895e52340680758fb1b1cbaf0ad1

General

Target

Sample Inquiry Ref.exe
Size

1.1MB
MD5

ea1885af97a055e92ac4ea6406df7a9b
SHA1

443820d9e8783200bc85329496c071ea39a7a849
SHA256

1c6f13d8f71f1a05425087658e39ea7460122b3bcbe94690d70003d76f7a120a
SHA512

4e382682abee73ec37a857535b4fdca0e3bdba2c00aa954a5697913b456219765986be4b30dcc259fae864f16c86f3b76d01453ff70ea639dff9cb1a1aeb2cce

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/1632-63-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger
behavioral1/memory/1632-64-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger
behavioral1/memory/1632-65-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger
behavioral1/memory/1632-66-0x000000000048178E-mapping.dmp	family_masslogger
behavioral1/memory/1632-68-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger
behavioral1/memory/1632-70-0x0000000000400000-0x0000000000486000-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:

Sample Inquiry Ref.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Control Panel\International\Geo\Nation	Sample Inquiry Ref.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:

Sample Inquiry Ref.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Sample Inquiry Ref.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Sample Inquiry Ref.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Sample Inquiry Ref.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Sample Inquiry Ref.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	Sample Inquiry Ref.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Sample Inquiry Ref.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	Sample Inquiry Ref.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Sample Inquiry Ref.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	Sample Inquiry Ref.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Sample Inquiry Ref.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Sample Inquiry Ref.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Sample Inquiry Ref.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Sample Inquiry Ref.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	Sample Inquiry Ref.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Sample Inquiry Ref.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Sample Inquiry Ref.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	Sample Inquiry Ref.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Sample Inquiry Ref.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	Sample Inquiry Ref.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Sample Inquiry Ref.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Sample Inquiry Ref.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Sample Inquiry Ref.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Sample Inquiry Ref.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	Sample Inquiry Ref.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Sample Inquiry Ref.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	Sample Inquiry Ref.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	Sample Inquiry Ref.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	Sample Inquiry Ref.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Sample Inquiry Ref.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	Sample Inquiry Ref.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	Sample Inquiry Ref.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	Sample Inquiry Ref.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	Sample Inquiry Ref.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Sample Inquiry Ref.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Sample Inquiry Ref.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
Suspicious use of SetThreadContext 1 IoCs

Processes:

Sample Inquiry Ref.exe

description pid process target process

PID 2000 set thread context of 1632 2000 Sample Inquiry Ref.exe Sample Inquiry Ref.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

Sample Inquiry Ref.exe

pid process

1632 Sample Inquiry Ref.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

Sample Inquiry Ref.exepowershell.exe

pid process

1632 Sample Inquiry Ref.exe
1632 Sample Inquiry Ref.exe
1632 Sample Inquiry Ref.exe
1632 Sample Inquiry Ref.exe
1604 powershell.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Sample Inquiry Ref.exepowershell.exe

description pid process

Token: SeDebugPrivilege 1632 Sample Inquiry Ref.exe
Token: SeDebugPrivilege 1604 powershell.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Sample Inquiry Ref.exe

pid process

1632 Sample Inquiry Ref.exe

flow	ioc
4	api.ipify.org

description	pid	process	target process
PID 2000 set thread context of 1632	2000	Sample Inquiry Ref.exe	Sample Inquiry Ref.exe

pid	process
1632	Sample Inquiry Ref.exe

pid	process
1632	Sample Inquiry Ref.exe
1632	Sample Inquiry Ref.exe
1632	Sample Inquiry Ref.exe
1632	Sample Inquiry Ref.exe
1604	powershell.exe

description	pid	process
Token: SeDebugPrivilege	1632	Sample Inquiry Ref.exe
Token: SeDebugPrivilege	1604	powershell.exe

pid	process
1632	Sample Inquiry Ref.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

Sample Inquiry Ref.exeSample Inquiry Ref.exe

description	pid	process	target process
PID 2000 wrote to memory of 1632	2000	Sample Inquiry Ref.exe	Sample Inquiry Ref.exe
PID 2000 wrote to memory of 1632	2000	Sample Inquiry Ref.exe	Sample Inquiry Ref.exe
PID 2000 wrote to memory of 1632	2000	Sample Inquiry Ref.exe	Sample Inquiry Ref.exe
PID 2000 wrote to memory of 1632	2000	Sample Inquiry Ref.exe	Sample Inquiry Ref.exe
PID 2000 wrote to memory of 1632	2000	Sample Inquiry Ref.exe	Sample Inquiry Ref.exe
PID 2000 wrote to memory of 1632	2000	Sample Inquiry Ref.exe	Sample Inquiry Ref.exe
PID 2000 wrote to memory of 1632	2000	Sample Inquiry Ref.exe	Sample Inquiry Ref.exe
PID 2000 wrote to memory of 1632	2000	Sample Inquiry Ref.exe	Sample Inquiry Ref.exe
PID 2000 wrote to memory of 1632	2000	Sample Inquiry Ref.exe	Sample Inquiry Ref.exe
PID 1632 wrote to memory of 1604	1632	Sample Inquiry Ref.exe	powershell.exe
PID 1632 wrote to memory of 1604	1632	Sample Inquiry Ref.exe	powershell.exe
PID 1632 wrote to memory of 1604	1632	Sample Inquiry Ref.exe	powershell.exe
PID 1632 wrote to memory of 1604	1632	Sample Inquiry Ref.exe	powershell.exe

outlook_office_path 1 IoCs

Processes:

Sample Inquiry Ref.exe

description	ioc	process
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Sample Inquiry Ref.exe

outlook_win_path 1 IoCs

Processes:

Sample Inquiry Ref.exe

description	ioc	process
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Sample Inquiry Ref.exe

C:\Users\Admin\AppData\Local\Temp\Sample Inquiry Ref.exe
"C:\Users\Admin\AppData\Local\Temp\Sample Inquiry Ref.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2000
- C:\Users\Admin\AppData\Local\Temp\Sample Inquiry Ref.exe
  "C:\Users\Admin\AppData\Local\Temp\Sample Inquiry Ref.exe"
  2⤵
  - Checks computer location settings
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  - outlook_office_path
  - outlook_win_path
  PID:1632
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "powershell" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\Sample Inquiry Ref.exe'
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1604

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

Replay Monitor

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Downloads

memory/1604-72-0x0000000000000000-mapping.dmp

Download
memory/1604-75-0x000000006EC10000-0x000000006F1BB000-memory.dmp

Filesize
5.7MB

Download
memory/1632-68-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1632-64-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1632-74-0x0000000000AD5000-0x0000000000AE6000-memory.dmp

Filesize
68KB

Download
memory/1632-70-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1632-60-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1632-61-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1632-63-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1632-66-0x000000000048178E-mapping.dmp

Download
memory/1632-65-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/2000-57-0x0000000000310000-0x0000000000320000-memory.dmp

Filesize
64KB

Download
memory/2000-54-0x0000000001290000-0x00000000013AE000-memory.dmp

Filesize
1.1MB

Download
memory/2000-59-0x0000000004D30000-0x0000000004DB8000-memory.dmp

Filesize
544KB

Download
memory/2000-56-0x0000000075221000-0x0000000075223000-memory.dmp

Filesize
8KB

Download
memory/2000-58-0x0000000007AD0000-0x0000000007B90000-memory.dmp

Filesize
768KB

Download
memory/2000-55-0x0000000004930000-0x00000000049F8000-memory.dmp

Filesize
800KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads