masslogger | 27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990

General

Target

27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.exe
Size

1.6MB
MD5

f5ba983bc18a11b81d4ef14d933053ae
SHA1

0d43985475f4f9a33e242fb2c45ec2245ff0093f
SHA256

27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990
SHA512

484bebb520440dbb61f3e4bfb30f95491ca8125d5892dde4434eae13986524e6a8b57279fa960ae9cae88e1d5592033b1e89562ac38d2c88eb170b251efa293e

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

Processes:

resource	yara_rule
behavioral1/memory/1928-61-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger
behavioral1/memory/1928-62-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger
behavioral1/memory/1928-63-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger
behavioral1/memory/1928-64-0x000000000048169E-mapping.dmp	family_masslogger
behavioral1/memory/1928-66-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger
behavioral1/memory/1928-68-0x0000000000400000-0x0000000000486000-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:

27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Control Panel\International\Geo\Nation	27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.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:

27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.exe

description	ioc	process
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.exe
Key queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows\CurrentVersion\Run\vlc = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\VideoLAN\\vlc.exe\""	27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.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:

27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.exe

description	pid	process	target process
PID 1880 set thread context of 1928	1880	27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.exe	27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.exe

pid process

1928 27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.exe

pid	process
1928	27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.exe
1928	27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.exe
1928	27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.exe
1928	27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.exe27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.exe

description	pid	process
Token: SeDebugPrivilege	1880	27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.exe
Token: SeDebugPrivilege	1928	27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.exe

pid process

1928 27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.exe

description	pid	process	target process
PID 1880 wrote to memory of 1928	1880	27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.exe	27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.exe
PID 1880 wrote to memory of 1928	1880	27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.exe	27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.exe
PID 1880 wrote to memory of 1928	1880	27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.exe	27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.exe
PID 1880 wrote to memory of 1928	1880	27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.exe	27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.exe
PID 1880 wrote to memory of 1928	1880	27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.exe	27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.exe
PID 1880 wrote to memory of 1928	1880	27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.exe	27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.exe
PID 1880 wrote to memory of 1928	1880	27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.exe	27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.exe
PID 1880 wrote to memory of 1928	1880	27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.exe	27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.exe
PID 1880 wrote to memory of 1928	1880	27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.exe	27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.exe

outlook_office_path 1 IoCs

Processes:

27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.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	27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.exe

outlook_win_path 1 IoCs

Processes:

27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.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	27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.exe

C:\Users\Admin\AppData\Local\Temp\27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.exe
"C:\Users\Admin\AppData\Local\Temp\27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1880
- C:\Users\Admin\AppData\Local\Temp\27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.exe
  "C:\Users\Admin\AppData\Local\Temp\27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.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:1928

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

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/1880-54-0x00000000009E0000-0x0000000000B86000-memory.dmp

Filesize
1.6MB

Download
memory/1880-55-0x0000000000960000-0x00000000009CA000-memory.dmp

Filesize
424KB

Download
memory/1880-56-0x0000000075311000-0x0000000075313000-memory.dmp

Filesize
8KB

Download
memory/1880-57-0x00000000004C0000-0x00000000004D2000-memory.dmp

Filesize
72KB

Download
memory/1928-58-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1928-59-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1928-61-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1928-62-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1928-63-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1928-64-0x000000000048169E-mapping.dmp

Download
memory/1928-66-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1928-68-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1928-70-0x00000000009A5000-0x00000000009B6000-memory.dmp

Filesize
68KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads