masslogger | 04bfa002e548345b247cecc437e66964119db3c5d5b5efabed32211196ba8043

Analysis

max time kernel
82s
max time network
139s
platform
windows7_x64
resource
win7-20220414-en
submitted
20/04/2022, 08:48

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General

Target

04bfa002e548345b247cecc437e66964119db3c5d5b5efabed32211196ba8043.exe
Size

1006KB
MD5

02aa43bf507664344eecd119caba890e
SHA1

fb6ca9e26a7d05f1ece85c0833b3c8b3dce98387
SHA256

04bfa002e548345b247cecc437e66964119db3c5d5b5efabed32211196ba8043
SHA512

05ba45f68eafb2ba78ed3a89d8c4ba415a84eafd3d4951ff7cc86295ce9ab038d1a8a287bb0892850c64212316d9093cfa158510ff9b3d88442c95527d5f19f9

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 1 IoCs

resource	yara_rule
behavioral1/memory/1996-57-0x00000000011B0000-0x0000000001236000-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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Control Panel\International\Geo\Nation	04bfa002e548345b247cecc437e66964119db3c5d5b5efabed32211196ba8043.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

description	ioc	Process
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	04bfa002e548345b247cecc437e66964119db3c5d5b5efabed32211196ba8043.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	04bfa002e548345b247cecc437e66964119db3c5d5b5efabed32211196ba8043.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	04bfa002e548345b247cecc437e66964119db3c5d5b5efabed32211196ba8043.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	04bfa002e548345b247cecc437e66964119db3c5d5b5efabed32211196ba8043.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	04bfa002e548345b247cecc437e66964119db3c5d5b5efabed32211196ba8043.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	04bfa002e548345b247cecc437e66964119db3c5d5b5efabed32211196ba8043.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	04bfa002e548345b247cecc437e66964119db3c5d5b5efabed32211196ba8043.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	04bfa002e548345b247cecc437e66964119db3c5d5b5efabed32211196ba8043.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	04bfa002e548345b247cecc437e66964119db3c5d5b5efabed32211196ba8043.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	04bfa002e548345b247cecc437e66964119db3c5d5b5efabed32211196ba8043.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	04bfa002e548345b247cecc437e66964119db3c5d5b5efabed32211196ba8043.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	04bfa002e548345b247cecc437e66964119db3c5d5b5efabed32211196ba8043.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	04bfa002e548345b247cecc437e66964119db3c5d5b5efabed32211196ba8043.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	04bfa002e548345b247cecc437e66964119db3c5d5b5efabed32211196ba8043.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	04bfa002e548345b247cecc437e66964119db3c5d5b5efabed32211196ba8043.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	04bfa002e548345b247cecc437e66964119db3c5d5b5efabed32211196ba8043.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	04bfa002e548345b247cecc437e66964119db3c5d5b5efabed32211196ba8043.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	04bfa002e548345b247cecc437e66964119db3c5d5b5efabed32211196ba8043.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	04bfa002e548345b247cecc437e66964119db3c5d5b5efabed32211196ba8043.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	04bfa002e548345b247cecc437e66964119db3c5d5b5efabed32211196ba8043.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	04bfa002e548345b247cecc437e66964119db3c5d5b5efabed32211196ba8043.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	04bfa002e548345b247cecc437e66964119db3c5d5b5efabed32211196ba8043.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	04bfa002e548345b247cecc437e66964119db3c5d5b5efabed32211196ba8043.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	04bfa002e548345b247cecc437e66964119db3c5d5b5efabed32211196ba8043.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	04bfa002e548345b247cecc437e66964119db3c5d5b5efabed32211196ba8043.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	04bfa002e548345b247cecc437e66964119db3c5d5b5efabed32211196ba8043.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	04bfa002e548345b247cecc437e66964119db3c5d5b5efabed32211196ba8043.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	04bfa002e548345b247cecc437e66964119db3c5d5b5efabed32211196ba8043.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	04bfa002e548345b247cecc437e66964119db3c5d5b5efabed32211196ba8043.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	04bfa002e548345b247cecc437e66964119db3c5d5b5efabed32211196ba8043.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	04bfa002e548345b247cecc437e66964119db3c5d5b5efabed32211196ba8043.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	04bfa002e548345b247cecc437e66964119db3c5d5b5efabed32211196ba8043.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	04bfa002e548345b247cecc437e66964119db3c5d5b5efabed32211196ba8043.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	04bfa002e548345b247cecc437e66964119db3c5d5b5efabed32211196ba8043.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	04bfa002e548345b247cecc437e66964119db3c5d5b5efabed32211196ba8043.exe

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	api.ipify.org
5	api.ipify.org

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1996	04bfa002e548345b247cecc437e66964119db3c5d5b5efabed32211196ba8043.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
1996	04bfa002e548345b247cecc437e66964119db3c5d5b5efabed32211196ba8043.exe
1996	04bfa002e548345b247cecc437e66964119db3c5d5b5efabed32211196ba8043.exe
1996	04bfa002e548345b247cecc437e66964119db3c5d5b5efabed32211196ba8043.exe
1996	04bfa002e548345b247cecc437e66964119db3c5d5b5efabed32211196ba8043.exe
1996	04bfa002e548345b247cecc437e66964119db3c5d5b5efabed32211196ba8043.exe
1996	04bfa002e548345b247cecc437e66964119db3c5d5b5efabed32211196ba8043.exe
772	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1996	04bfa002e548345b247cecc437e66964119db3c5d5b5efabed32211196ba8043.exe
Token: SeDebugPrivilege	772	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1996	04bfa002e548345b247cecc437e66964119db3c5d5b5efabed32211196ba8043.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1996 wrote to memory of 772	1996	04bfa002e548345b247cecc437e66964119db3c5d5b5efabed32211196ba8043.exe	28
PID 1996 wrote to memory of 772	1996	04bfa002e548345b247cecc437e66964119db3c5d5b5efabed32211196ba8043.exe	28
PID 1996 wrote to memory of 772	1996	04bfa002e548345b247cecc437e66964119db3c5d5b5efabed32211196ba8043.exe	28
PID 1996 wrote to memory of 772	1996	04bfa002e548345b247cecc437e66964119db3c5d5b5efabed32211196ba8043.exe	28

outlook_office_path 1 IoCs

description	ioc	Process
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	04bfa002e548345b247cecc437e66964119db3c5d5b5efabed32211196ba8043.exe

outlook_win_path 1 IoCs

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	04bfa002e548345b247cecc437e66964119db3c5d5b5efabed32211196ba8043.exe

C:\Users\Admin\AppData\Local\Temp\04bfa002e548345b247cecc437e66964119db3c5d5b5efabed32211196ba8043.exe
"C:\Users\Admin\AppData\Local\Temp\04bfa002e548345b247cecc437e66964119db3c5d5b5efabed32211196ba8043.exe"
1⤵
- 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:1996
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\04bfa002e548345b247cecc437e66964119db3c5d5b5efabed32211196ba8043.exe'
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:772

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/772-59-0x0000000075841000-0x0000000075843000-memory.dmp

Filesize
8KB

Download
memory/772-62-0x0000000002542000-0x0000000002544000-memory.dmp

Filesize
8KB

Download
memory/772-61-0x000000006EF30000-0x000000006F4DB000-memory.dmp

Filesize
5.7MB

Download
memory/1996-54-0x0000000001390000-0x000000000148E000-memory.dmp

Filesize
1016KB

Download
memory/1996-55-0x0000000000520000-0x0000000000526000-memory.dmp

Filesize
24KB

Download
memory/1996-56-0x0000000000360000-0x00000000003C8000-memory.dmp

Filesize
416KB

Download
memory/1996-57-0x00000000011B0000-0x0000000001236000-memory.dmp

Filesize
536KB

Download
memory/1996-60-0x0000000001255000-0x0000000001266000-memory.dmp

Filesize
68KB

Download