masslogger | 8be83afa0d49f32ec1cb69a80b9bbf2774dc4be8a7209299ef62a7e408e673a9

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
26/03/2025, 16:46

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General

Target

e64ff6e23ce8911e74ee402d2cc1ed3d54998a56a6fb272b50c5a87363975305.exe
Size

513KB
MD5

f32cbfaecc2e973799c7e8977a23fbc1
SHA1

51a65b71f953c3e988f0a4a2d4e69ea6ca8b2b8f
SHA256

e64ff6e23ce8911e74ee402d2cc1ed3d54998a56a6fb272b50c5a87363975305
SHA512

85c3aea4fbca17e79833b33b73931b566b7d8ffa70318ac3c772054501105afd7bf659009b3c63550d8c9bcf803481e01341923071e2926c7bdc21b0ba9729c1
SSDEEP

12288:DZ8M7gu9seB5mV+mMBYJf0hdrK8BnbPZl/xld44ILZn7EqhZ:DWM7gu9seB8gzBjde8BjZl/xTlIx

Score

10^/10

masslogger collection defense_evasion discovery 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/3048-1-0x00000000012D0000-0x0000000001356000-memory.dmp	family_masslogger

Masslogger 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-1-5-21-4177215427-74451935-3209572229-1000\Control Panel\International\Geo\Nation	e64ff6e23ce8911e74ee402d2cc1ed3d54998a56a6fb272b50c5a87363975305.exe

Deletes itself 1 IoCs

pid	Process
2640	powershell.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Accesses Microsoft Outlook profiles 1 TTPs 35 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e64ff6e23ce8911e74ee402d2cc1ed3d54998a56a6fb272b50c5a87363975305.exe
Key queried	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	e64ff6e23ce8911e74ee402d2cc1ed3d54998a56a6fb272b50c5a87363975305.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	e64ff6e23ce8911e74ee402d2cc1ed3d54998a56a6fb272b50c5a87363975305.exe
Key queried	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	e64ff6e23ce8911e74ee402d2cc1ed3d54998a56a6fb272b50c5a87363975305.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	e64ff6e23ce8911e74ee402d2cc1ed3d54998a56a6fb272b50c5a87363975305.exe
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e64ff6e23ce8911e74ee402d2cc1ed3d54998a56a6fb272b50c5a87363975305.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e64ff6e23ce8911e74ee402d2cc1ed3d54998a56a6fb272b50c5a87363975305.exe
Key queried	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	e64ff6e23ce8911e74ee402d2cc1ed3d54998a56a6fb272b50c5a87363975305.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e64ff6e23ce8911e74ee402d2cc1ed3d54998a56a6fb272b50c5a87363975305.exe
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e64ff6e23ce8911e74ee402d2cc1ed3d54998a56a6fb272b50c5a87363975305.exe
Key queried	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	e64ff6e23ce8911e74ee402d2cc1ed3d54998a56a6fb272b50c5a87363975305.exe
Key queried	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e64ff6e23ce8911e74ee402d2cc1ed3d54998a56a6fb272b50c5a87363975305.exe
Key queried	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e64ff6e23ce8911e74ee402d2cc1ed3d54998a56a6fb272b50c5a87363975305.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e64ff6e23ce8911e74ee402d2cc1ed3d54998a56a6fb272b50c5a87363975305.exe
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e64ff6e23ce8911e74ee402d2cc1ed3d54998a56a6fb272b50c5a87363975305.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	e64ff6e23ce8911e74ee402d2cc1ed3d54998a56a6fb272b50c5a87363975305.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	e64ff6e23ce8911e74ee402d2cc1ed3d54998a56a6fb272b50c5a87363975305.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	e64ff6e23ce8911e74ee402d2cc1ed3d54998a56a6fb272b50c5a87363975305.exe
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e64ff6e23ce8911e74ee402d2cc1ed3d54998a56a6fb272b50c5a87363975305.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	e64ff6e23ce8911e74ee402d2cc1ed3d54998a56a6fb272b50c5a87363975305.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e64ff6e23ce8911e74ee402d2cc1ed3d54998a56a6fb272b50c5a87363975305.exe
Key queried	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	e64ff6e23ce8911e74ee402d2cc1ed3d54998a56a6fb272b50c5a87363975305.exe
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e64ff6e23ce8911e74ee402d2cc1ed3d54998a56a6fb272b50c5a87363975305.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e64ff6e23ce8911e74ee402d2cc1ed3d54998a56a6fb272b50c5a87363975305.exe
Key queried	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e64ff6e23ce8911e74ee402d2cc1ed3d54998a56a6fb272b50c5a87363975305.exe
Key queried	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e64ff6e23ce8911e74ee402d2cc1ed3d54998a56a6fb272b50c5a87363975305.exe
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e64ff6e23ce8911e74ee402d2cc1ed3d54998a56a6fb272b50c5a87363975305.exe
Key queried	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e64ff6e23ce8911e74ee402d2cc1ed3d54998a56a6fb272b50c5a87363975305.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e64ff6e23ce8911e74ee402d2cc1ed3d54998a56a6fb272b50c5a87363975305.exe
Key queried	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	e64ff6e23ce8911e74ee402d2cc1ed3d54998a56a6fb272b50c5a87363975305.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e64ff6e23ce8911e74ee402d2cc1ed3d54998a56a6fb272b50c5a87363975305.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	e64ff6e23ce8911e74ee402d2cc1ed3d54998a56a6fb272b50c5a87363975305.exe
Key queried	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e64ff6e23ce8911e74ee402d2cc1ed3d54998a56a6fb272b50c5a87363975305.exe
Key queried	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e64ff6e23ce8911e74ee402d2cc1ed3d54998a56a6fb272b50c5a87363975305.exe
Key queried	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	e64ff6e23ce8911e74ee402d2cc1ed3d54998a56a6fb272b50c5a87363975305.exe

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

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

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e64ff6e23ce8911e74ee402d2cc1ed3d54998a56a6fb272b50c5a87363975305.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3048	e64ff6e23ce8911e74ee402d2cc1ed3d54998a56a6fb272b50c5a87363975305.exe
3048	e64ff6e23ce8911e74ee402d2cc1ed3d54998a56a6fb272b50c5a87363975305.exe
3048	e64ff6e23ce8911e74ee402d2cc1ed3d54998a56a6fb272b50c5a87363975305.exe
2640	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3048	e64ff6e23ce8911e74ee402d2cc1ed3d54998a56a6fb272b50c5a87363975305.exe
Token: SeDebugPrivilege	2640	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3048 wrote to memory of 2640	3048	e64ff6e23ce8911e74ee402d2cc1ed3d54998a56a6fb272b50c5a87363975305.exe	32
PID 3048 wrote to memory of 2640	3048	e64ff6e23ce8911e74ee402d2cc1ed3d54998a56a6fb272b50c5a87363975305.exe	32
PID 3048 wrote to memory of 2640	3048	e64ff6e23ce8911e74ee402d2cc1ed3d54998a56a6fb272b50c5a87363975305.exe	32
PID 3048 wrote to memory of 2640	3048	e64ff6e23ce8911e74ee402d2cc1ed3d54998a56a6fb272b50c5a87363975305.exe	32

outlook_office_path 1 IoCs

description	ioc	Process
Key queried	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e64ff6e23ce8911e74ee402d2cc1ed3d54998a56a6fb272b50c5a87363975305.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key queried	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e64ff6e23ce8911e74ee402d2cc1ed3d54998a56a6fb272b50c5a87363975305.exe

C:\Users\Admin\AppData\Local\Temp\e64ff6e23ce8911e74ee402d2cc1ed3d54998a56a6fb272b50c5a87363975305.exe
"C:\Users\Admin\AppData\Local\Temp\e64ff6e23ce8911e74ee402d2cc1ed3d54998a56a6fb272b50c5a87363975305.exe"
1⤵
- Checks computer location settings
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:3048
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell" Start-Sleep -Seconds 2; Remove-Item -path 'C:\Users\Admin\AppData\Local\Temp\e64ff6e23ce8911e74ee402d2cc1ed3d54998a56a6fb272b50c5a87363975305.exe'
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2640

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Indicator Removal

T1070

File Deletion

T1070.004

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/2640-7-0x000000006EDE1000-0x000000006EDE2000-memory.dmp

Filesize
4KB

Download
memory/2640-8-0x000000006EDE0000-0x000000006F38B000-memory.dmp

Filesize
5.7MB

Download
memory/2640-9-0x000000006EDE0000-0x000000006F38B000-memory.dmp

Filesize
5.7MB

Download
memory/2640-10-0x000000006EDE0000-0x000000006F38B000-memory.dmp

Filesize
5.7MB

Download
memory/2640-11-0x000000006EDE0000-0x000000006F38B000-memory.dmp

Filesize
5.7MB

Download
memory/2640-12-0x000000006EDE0000-0x000000006F38B000-memory.dmp

Filesize
5.7MB

Download
memory/3048-0-0x000000007454E000-0x000000007454F000-memory.dmp

Filesize
4KB

Download
memory/3048-1-0x00000000012D0000-0x0000000001356000-memory.dmp

Filesize
536KB

Download
memory/3048-2-0x0000000074540000-0x0000000074C2E000-memory.dmp

Filesize
6.9MB

Download
memory/3048-3-0x0000000074540000-0x0000000074C2E000-memory.dmp

Filesize
6.9MB

Download
memory/3048-4-0x0000000074540000-0x0000000074C2E000-memory.dmp

Filesize
6.9MB

Download