masslogger | 49a08e44775cbeb7884f980850a07a08386b1c5359a120984b61515df6509140

Analysis

max time kernel
76s
max time network
131s
platform
windows7_x64
resource
win7-20220414-en
submitted
17/04/2022, 14:08

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General

Target

49a08e44775cbeb7884f980850a07a08386b1c5359a120984b61515df6509140.exe
Size

1.7MB
MD5

bbb76f4684b90d63a571741a9bf3a7e4
SHA1

cc530b2d04d5934709dd9d07090d36985f49d92a
SHA256

49a08e44775cbeb7884f980850a07a08386b1c5359a120984b61515df6509140
SHA512

c340c76451acb426fbb8001119af9e85a7dc8ee99dbe2731d4c06a97875a490bd2a7b0fa84e562dc0c114c13d5ae797a08fac06b90d23226f69329f27694f49e

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/856-62-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger
behavioral1/memory/856-64-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger
behavioral1/memory/856-63-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger
behavioral1/memory/856-65-0x000000000048169E-mapping.dmp	family_masslogger
behavioral1/memory/856-67-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger
behavioral1/memory/856-69-0x0000000000400000-0x0000000000486000-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-1-5-21-1083475884-596052423-1669053738-1000\Control Panel\International\Geo\Nation	49a08e44775cbeb7884f980850a07a08386b1c5359a120984b61515df6509140.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\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	49a08e44775cbeb7884f980850a07a08386b1c5359a120984b61515df6509140.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	49a08e44775cbeb7884f980850a07a08386b1c5359a120984b61515df6509140.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	49a08e44775cbeb7884f980850a07a08386b1c5359a120984b61515df6509140.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	49a08e44775cbeb7884f980850a07a08386b1c5359a120984b61515df6509140.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	49a08e44775cbeb7884f980850a07a08386b1c5359a120984b61515df6509140.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	49a08e44775cbeb7884f980850a07a08386b1c5359a120984b61515df6509140.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	49a08e44775cbeb7884f980850a07a08386b1c5359a120984b61515df6509140.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	49a08e44775cbeb7884f980850a07a08386b1c5359a120984b61515df6509140.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	49a08e44775cbeb7884f980850a07a08386b1c5359a120984b61515df6509140.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	49a08e44775cbeb7884f980850a07a08386b1c5359a120984b61515df6509140.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	49a08e44775cbeb7884f980850a07a08386b1c5359a120984b61515df6509140.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	49a08e44775cbeb7884f980850a07a08386b1c5359a120984b61515df6509140.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	49a08e44775cbeb7884f980850a07a08386b1c5359a120984b61515df6509140.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	49a08e44775cbeb7884f980850a07a08386b1c5359a120984b61515df6509140.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	49a08e44775cbeb7884f980850a07a08386b1c5359a120984b61515df6509140.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	49a08e44775cbeb7884f980850a07a08386b1c5359a120984b61515df6509140.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	49a08e44775cbeb7884f980850a07a08386b1c5359a120984b61515df6509140.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	49a08e44775cbeb7884f980850a07a08386b1c5359a120984b61515df6509140.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	49a08e44775cbeb7884f980850a07a08386b1c5359a120984b61515df6509140.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	49a08e44775cbeb7884f980850a07a08386b1c5359a120984b61515df6509140.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	49a08e44775cbeb7884f980850a07a08386b1c5359a120984b61515df6509140.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	49a08e44775cbeb7884f980850a07a08386b1c5359a120984b61515df6509140.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	49a08e44775cbeb7884f980850a07a08386b1c5359a120984b61515df6509140.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	49a08e44775cbeb7884f980850a07a08386b1c5359a120984b61515df6509140.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	49a08e44775cbeb7884f980850a07a08386b1c5359a120984b61515df6509140.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	49a08e44775cbeb7884f980850a07a08386b1c5359a120984b61515df6509140.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	49a08e44775cbeb7884f980850a07a08386b1c5359a120984b61515df6509140.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	49a08e44775cbeb7884f980850a07a08386b1c5359a120984b61515df6509140.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	49a08e44775cbeb7884f980850a07a08386b1c5359a120984b61515df6509140.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	49a08e44775cbeb7884f980850a07a08386b1c5359a120984b61515df6509140.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	49a08e44775cbeb7884f980850a07a08386b1c5359a120984b61515df6509140.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	49a08e44775cbeb7884f980850a07a08386b1c5359a120984b61515df6509140.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	49a08e44775cbeb7884f980850a07a08386b1c5359a120984b61515df6509140.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	49a08e44775cbeb7884f980850a07a08386b1c5359a120984b61515df6509140.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	49a08e44775cbeb7884f980850a07a08386b1c5359a120984b61515df6509140.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-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows\CurrentVersion\Run\vlc = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\VideoLAN\\vlc.exe\""	49a08e44775cbeb7884f980850a07a08386b1c5359a120984b61515df6509140.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 684 set thread context of 856	684	49a08e44775cbeb7884f980850a07a08386b1c5359a120984b61515df6509140.exe	31

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
856	49a08e44775cbeb7884f980850a07a08386b1c5359a120984b61515df6509140.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
684	49a08e44775cbeb7884f980850a07a08386b1c5359a120984b61515df6509140.exe
856	49a08e44775cbeb7884f980850a07a08386b1c5359a120984b61515df6509140.exe
856	49a08e44775cbeb7884f980850a07a08386b1c5359a120984b61515df6509140.exe
1828	Powershell.exe
856	49a08e44775cbeb7884f980850a07a08386b1c5359a120984b61515df6509140.exe
856	49a08e44775cbeb7884f980850a07a08386b1c5359a120984b61515df6509140.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	684	49a08e44775cbeb7884f980850a07a08386b1c5359a120984b61515df6509140.exe
Token: SeDebugPrivilege	856	49a08e44775cbeb7884f980850a07a08386b1c5359a120984b61515df6509140.exe
Token: SeDebugPrivilege	1828	Powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
856	49a08e44775cbeb7884f980850a07a08386b1c5359a120984b61515df6509140.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 684 wrote to memory of 1828	684	49a08e44775cbeb7884f980850a07a08386b1c5359a120984b61515df6509140.exe	28
PID 684 wrote to memory of 1828	684	49a08e44775cbeb7884f980850a07a08386b1c5359a120984b61515df6509140.exe	28
PID 684 wrote to memory of 1828	684	49a08e44775cbeb7884f980850a07a08386b1c5359a120984b61515df6509140.exe	28
PID 684 wrote to memory of 1828	684	49a08e44775cbeb7884f980850a07a08386b1c5359a120984b61515df6509140.exe	28
PID 684 wrote to memory of 1812	684	49a08e44775cbeb7884f980850a07a08386b1c5359a120984b61515df6509140.exe	30
PID 684 wrote to memory of 1812	684	49a08e44775cbeb7884f980850a07a08386b1c5359a120984b61515df6509140.exe	30
PID 684 wrote to memory of 1812	684	49a08e44775cbeb7884f980850a07a08386b1c5359a120984b61515df6509140.exe	30
PID 684 wrote to memory of 1812	684	49a08e44775cbeb7884f980850a07a08386b1c5359a120984b61515df6509140.exe	30
PID 684 wrote to memory of 856	684	49a08e44775cbeb7884f980850a07a08386b1c5359a120984b61515df6509140.exe	31
PID 684 wrote to memory of 856	684	49a08e44775cbeb7884f980850a07a08386b1c5359a120984b61515df6509140.exe	31
PID 684 wrote to memory of 856	684	49a08e44775cbeb7884f980850a07a08386b1c5359a120984b61515df6509140.exe	31
PID 684 wrote to memory of 856	684	49a08e44775cbeb7884f980850a07a08386b1c5359a120984b61515df6509140.exe	31
PID 684 wrote to memory of 856	684	49a08e44775cbeb7884f980850a07a08386b1c5359a120984b61515df6509140.exe	31
PID 684 wrote to memory of 856	684	49a08e44775cbeb7884f980850a07a08386b1c5359a120984b61515df6509140.exe	31
PID 684 wrote to memory of 856	684	49a08e44775cbeb7884f980850a07a08386b1c5359a120984b61515df6509140.exe	31
PID 684 wrote to memory of 856	684	49a08e44775cbeb7884f980850a07a08386b1c5359a120984b61515df6509140.exe	31
PID 684 wrote to memory of 856	684	49a08e44775cbeb7884f980850a07a08386b1c5359a120984b61515df6509140.exe	31

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	49a08e44775cbeb7884f980850a07a08386b1c5359a120984b61515df6509140.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	49a08e44775cbeb7884f980850a07a08386b1c5359a120984b61515df6509140.exe

C:\Users\Admin\AppData\Local\Temp\49a08e44775cbeb7884f980850a07a08386b1c5359a120984b61515df6509140.exe
"C:\Users\Admin\AppData\Local\Temp\49a08e44775cbeb7884f980850a07a08386b1c5359a120984b61515df6509140.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:684
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
  "Powershell" Add-MpPreference -ExclusionPath '"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\VideoLAN\vlc.exe"'
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1828
- C:\Users\Admin\AppData\Local\Temp\49a08e44775cbeb7884f980850a07a08386b1c5359a120984b61515df6509140.exe
  "C:\Users\Admin\AppData\Local\Temp\49a08e44775cbeb7884f980850a07a08386b1c5359a120984b61515df6509140.exe"
  2⤵
  PID:1812
- C:\Users\Admin\AppData\Local\Temp\49a08e44775cbeb7884f980850a07a08386b1c5359a120984b61515df6509140.exe
  "C:\Users\Admin\AppData\Local\Temp\49a08e44775cbeb7884f980850a07a08386b1c5359a120984b61515df6509140.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:856

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/684-57-0x0000000000300000-0x0000000000312000-memory.dmp

Filesize
72KB

Download
memory/684-55-0x0000000000DB0000-0x0000000000E24000-memory.dmp

Filesize
464KB

Download
memory/684-54-0x00000000012A0000-0x0000000001466000-memory.dmp

Filesize
1.8MB

Download
memory/856-69-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/856-59-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/856-60-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/856-62-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/856-64-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/856-63-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/856-67-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/856-72-0x0000000000A65000-0x0000000000A76000-memory.dmp

Filesize
68KB

Download
memory/1828-58-0x00000000753B1000-0x00000000753B3000-memory.dmp

Filesize
8KB

Download
memory/1828-70-0x00000000742B0000-0x000000007485B000-memory.dmp

Filesize
5.7MB

Download
memory/1828-71-0x0000000002520000-0x000000000316A000-memory.dmp

Filesize
12.3MB

Download