masslogger | 46191bc0f23bf2270ae058c0b57bc03a7712494e2b8afdc02f62585d6be0dc29

Analysis

max time kernel
151s
max time network
201s
platform
windows7_x64
resource
win7-20220331-en
submitted
30/03/2022, 02:03

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General

Target

46191bc0f23bf2270ae058c0b57bc03a7712494e2b8afdc02f62585d6be0dc29.exe
Size

1.2MB
MD5

6b4fa0943b5aea06d92a9a029e28aa2f
SHA1

871dec23ab9fac653d913afbd8ec15f2cc6e3bf5
SHA256

46191bc0f23bf2270ae058c0b57bc03a7712494e2b8afdc02f62585d6be0dc29
SHA512

8a7adaae689dc0d533e6d3bb9a92d579bdbef75822b156873e7fba3d4cd8d75f8a9d4246cad91722f17a1a06bea7e7d283e80b995d21aafa6a6a56a36b7eff98

Score

10^/10

masslogger collection persistence 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

resource	yara_rule
behavioral1/memory/1280-60-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger
behavioral1/memory/1280-61-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger
behavioral1/memory/1280-62-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger
behavioral1/memory/1280-63-0x000000000048199E-mapping.dmp	family_masslogger
behavioral1/memory/1280-65-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger
behavioral1/memory/1280-67-0x0000000000400000-0x0000000000486000-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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3422572840-2899912402-917774768-1000\Control Panel\International\Geo\Nation	46191bc0f23bf2270ae058c0b57bc03a7712494e2b8afdc02f62585d6be0dc29.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-1-5-21-3422572840-2899912402-917774768-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	46191bc0f23bf2270ae058c0b57bc03a7712494e2b8afdc02f62585d6be0dc29.exe
Key created	\REGISTRY\USER\S-1-5-21-3422572840-2899912402-917774768-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	46191bc0f23bf2270ae058c0b57bc03a7712494e2b8afdc02f62585d6be0dc29.exe
Key created	\REGISTRY\USER\S-1-5-21-3422572840-2899912402-917774768-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	46191bc0f23bf2270ae058c0b57bc03a7712494e2b8afdc02f62585d6be0dc29.exe
Key queried	\REGISTRY\USER\S-1-5-21-3422572840-2899912402-917774768-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	46191bc0f23bf2270ae058c0b57bc03a7712494e2b8afdc02f62585d6be0dc29.exe
Key queried	\REGISTRY\USER\S-1-5-21-3422572840-2899912402-917774768-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	46191bc0f23bf2270ae058c0b57bc03a7712494e2b8afdc02f62585d6be0dc29.exe
Key opened	\REGISTRY\USER\S-1-5-21-3422572840-2899912402-917774768-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	46191bc0f23bf2270ae058c0b57bc03a7712494e2b8afdc02f62585d6be0dc29.exe
Key queried	\REGISTRY\USER\S-1-5-21-3422572840-2899912402-917774768-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	46191bc0f23bf2270ae058c0b57bc03a7712494e2b8afdc02f62585d6be0dc29.exe
Key created	\REGISTRY\USER\S-1-5-21-3422572840-2899912402-917774768-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	46191bc0f23bf2270ae058c0b57bc03a7712494e2b8afdc02f62585d6be0dc29.exe
Key created	\REGISTRY\USER\S-1-5-21-3422572840-2899912402-917774768-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	46191bc0f23bf2270ae058c0b57bc03a7712494e2b8afdc02f62585d6be0dc29.exe
Key queried	\REGISTRY\USER\S-1-5-21-3422572840-2899912402-917774768-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	46191bc0f23bf2270ae058c0b57bc03a7712494e2b8afdc02f62585d6be0dc29.exe
Key created	\REGISTRY\USER\S-1-5-21-3422572840-2899912402-917774768-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	46191bc0f23bf2270ae058c0b57bc03a7712494e2b8afdc02f62585d6be0dc29.exe
Key queried	\REGISTRY\USER\S-1-5-21-3422572840-2899912402-917774768-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	46191bc0f23bf2270ae058c0b57bc03a7712494e2b8afdc02f62585d6be0dc29.exe
Key opened	\REGISTRY\USER\S-1-5-21-3422572840-2899912402-917774768-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	46191bc0f23bf2270ae058c0b57bc03a7712494e2b8afdc02f62585d6be0dc29.exe
Key opened	\REGISTRY\USER\S-1-5-21-3422572840-2899912402-917774768-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	46191bc0f23bf2270ae058c0b57bc03a7712494e2b8afdc02f62585d6be0dc29.exe
Key queried	\REGISTRY\USER\S-1-5-21-3422572840-2899912402-917774768-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	46191bc0f23bf2270ae058c0b57bc03a7712494e2b8afdc02f62585d6be0dc29.exe
Key queried	\REGISTRY\USER\S-1-5-21-3422572840-2899912402-917774768-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	46191bc0f23bf2270ae058c0b57bc03a7712494e2b8afdc02f62585d6be0dc29.exe
Key queried	\REGISTRY\USER\S-1-5-21-3422572840-2899912402-917774768-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	46191bc0f23bf2270ae058c0b57bc03a7712494e2b8afdc02f62585d6be0dc29.exe
Key queried	\REGISTRY\USER\S-1-5-21-3422572840-2899912402-917774768-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	46191bc0f23bf2270ae058c0b57bc03a7712494e2b8afdc02f62585d6be0dc29.exe
Key queried	\REGISTRY\USER\S-1-5-21-3422572840-2899912402-917774768-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	46191bc0f23bf2270ae058c0b57bc03a7712494e2b8afdc02f62585d6be0dc29.exe
Key created	\REGISTRY\USER\S-1-5-21-3422572840-2899912402-917774768-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	46191bc0f23bf2270ae058c0b57bc03a7712494e2b8afdc02f62585d6be0dc29.exe
Key created	\REGISTRY\USER\S-1-5-21-3422572840-2899912402-917774768-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	46191bc0f23bf2270ae058c0b57bc03a7712494e2b8afdc02f62585d6be0dc29.exe
Key opened	\REGISTRY\USER\S-1-5-21-3422572840-2899912402-917774768-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	46191bc0f23bf2270ae058c0b57bc03a7712494e2b8afdc02f62585d6be0dc29.exe
Key created	\REGISTRY\USER\S-1-5-21-3422572840-2899912402-917774768-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	46191bc0f23bf2270ae058c0b57bc03a7712494e2b8afdc02f62585d6be0dc29.exe
Key created	\REGISTRY\USER\S-1-5-21-3422572840-2899912402-917774768-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	46191bc0f23bf2270ae058c0b57bc03a7712494e2b8afdc02f62585d6be0dc29.exe
Key queried	\REGISTRY\USER\S-1-5-21-3422572840-2899912402-917774768-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	46191bc0f23bf2270ae058c0b57bc03a7712494e2b8afdc02f62585d6be0dc29.exe
Key opened	\REGISTRY\USER\S-1-5-21-3422572840-2899912402-917774768-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	46191bc0f23bf2270ae058c0b57bc03a7712494e2b8afdc02f62585d6be0dc29.exe
Key created	\REGISTRY\USER\S-1-5-21-3422572840-2899912402-917774768-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	46191bc0f23bf2270ae058c0b57bc03a7712494e2b8afdc02f62585d6be0dc29.exe
Key created	\REGISTRY\USER\S-1-5-21-3422572840-2899912402-917774768-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	46191bc0f23bf2270ae058c0b57bc03a7712494e2b8afdc02f62585d6be0dc29.exe
Key queried	\REGISTRY\USER\S-1-5-21-3422572840-2899912402-917774768-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	46191bc0f23bf2270ae058c0b57bc03a7712494e2b8afdc02f62585d6be0dc29.exe
Key created	\REGISTRY\USER\S-1-5-21-3422572840-2899912402-917774768-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	46191bc0f23bf2270ae058c0b57bc03a7712494e2b8afdc02f62585d6be0dc29.exe
Key opened	\REGISTRY\USER\S-1-5-21-3422572840-2899912402-917774768-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	46191bc0f23bf2270ae058c0b57bc03a7712494e2b8afdc02f62585d6be0dc29.exe
Key created	\REGISTRY\USER\S-1-5-21-3422572840-2899912402-917774768-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	46191bc0f23bf2270ae058c0b57bc03a7712494e2b8afdc02f62585d6be0dc29.exe
Key opened	\REGISTRY\USER\S-1-5-21-3422572840-2899912402-917774768-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	46191bc0f23bf2270ae058c0b57bc03a7712494e2b8afdc02f62585d6be0dc29.exe
Key created	\REGISTRY\USER\S-1-5-21-3422572840-2899912402-917774768-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	46191bc0f23bf2270ae058c0b57bc03a7712494e2b8afdc02f62585d6be0dc29.exe
Key queried	\REGISTRY\USER\S-1-5-21-3422572840-2899912402-917774768-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	46191bc0f23bf2270ae058c0b57bc03a7712494e2b8afdc02f62585d6be0dc29.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3422572840-2899912402-917774768-1000\Software\Microsoft\Windows\CurrentVersion\Run\firefoc = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\noteped\\firefoc.exe\""	46191bc0f23bf2270ae058c0b57bc03a7712494e2b8afdc02f62585d6be0dc29.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.

flow	ioc
4	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 996 set thread context of 1280	996	46191bc0f23bf2270ae058c0b57bc03a7712494e2b8afdc02f62585d6be0dc29.exe	28

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1280	46191bc0f23bf2270ae058c0b57bc03a7712494e2b8afdc02f62585d6be0dc29.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1280	46191bc0f23bf2270ae058c0b57bc03a7712494e2b8afdc02f62585d6be0dc29.exe
1280	46191bc0f23bf2270ae058c0b57bc03a7712494e2b8afdc02f62585d6be0dc29.exe
1280	46191bc0f23bf2270ae058c0b57bc03a7712494e2b8afdc02f62585d6be0dc29.exe
1280	46191bc0f23bf2270ae058c0b57bc03a7712494e2b8afdc02f62585d6be0dc29.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	996	46191bc0f23bf2270ae058c0b57bc03a7712494e2b8afdc02f62585d6be0dc29.exe
Token: SeDebugPrivilege	1280	46191bc0f23bf2270ae058c0b57bc03a7712494e2b8afdc02f62585d6be0dc29.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1280	46191bc0f23bf2270ae058c0b57bc03a7712494e2b8afdc02f62585d6be0dc29.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 996 wrote to memory of 1280	996	46191bc0f23bf2270ae058c0b57bc03a7712494e2b8afdc02f62585d6be0dc29.exe	28
PID 996 wrote to memory of 1280	996	46191bc0f23bf2270ae058c0b57bc03a7712494e2b8afdc02f62585d6be0dc29.exe	28
PID 996 wrote to memory of 1280	996	46191bc0f23bf2270ae058c0b57bc03a7712494e2b8afdc02f62585d6be0dc29.exe	28
PID 996 wrote to memory of 1280	996	46191bc0f23bf2270ae058c0b57bc03a7712494e2b8afdc02f62585d6be0dc29.exe	28
PID 996 wrote to memory of 1280	996	46191bc0f23bf2270ae058c0b57bc03a7712494e2b8afdc02f62585d6be0dc29.exe	28
PID 996 wrote to memory of 1280	996	46191bc0f23bf2270ae058c0b57bc03a7712494e2b8afdc02f62585d6be0dc29.exe	28
PID 996 wrote to memory of 1280	996	46191bc0f23bf2270ae058c0b57bc03a7712494e2b8afdc02f62585d6be0dc29.exe	28
PID 996 wrote to memory of 1280	996	46191bc0f23bf2270ae058c0b57bc03a7712494e2b8afdc02f62585d6be0dc29.exe	28
PID 996 wrote to memory of 1280	996	46191bc0f23bf2270ae058c0b57bc03a7712494e2b8afdc02f62585d6be0dc29.exe	28

outlook_office_path 1 IoCs

description	ioc	Process
Key queried	\REGISTRY\USER\S-1-5-21-3422572840-2899912402-917774768-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	46191bc0f23bf2270ae058c0b57bc03a7712494e2b8afdc02f62585d6be0dc29.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key queried	\REGISTRY\USER\S-1-5-21-3422572840-2899912402-917774768-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	46191bc0f23bf2270ae058c0b57bc03a7712494e2b8afdc02f62585d6be0dc29.exe

C:\Users\Admin\AppData\Local\Temp\46191bc0f23bf2270ae058c0b57bc03a7712494e2b8afdc02f62585d6be0dc29.exe
"C:\Users\Admin\AppData\Local\Temp\46191bc0f23bf2270ae058c0b57bc03a7712494e2b8afdc02f62585d6be0dc29.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:996
- C:\Users\Admin\AppData\Local\Temp\46191bc0f23bf2270ae058c0b57bc03a7712494e2b8afdc02f62585d6be0dc29.exe
  "C:\Users\Admin\AppData\Local\Temp\46191bc0f23bf2270ae058c0b57bc03a7712494e2b8afdc02f62585d6be0dc29.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:1280

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

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/996-54-0x0000000000BD0000-0x0000000000D04000-memory.dmp

Filesize
1.2MB

Download
memory/996-55-0x0000000004B50000-0x0000000004BEA000-memory.dmp

Filesize
616KB

Download
memory/996-56-0x0000000000410000-0x000000000042C000-memory.dmp

Filesize
112KB

Download
memory/1280-57-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1280-58-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1280-60-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1280-61-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1280-62-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1280-65-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1280-67-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1280-68-0x0000000000AA5000-0x0000000000AB6000-memory.dmp

Filesize
68KB

Download