masslogger | 6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177

Analysis

max time kernel
44s
max time network
124s
platform
windows7_x64
resource
win7-20220414-en
submitted
24-05-2022 16:33

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General

Target

6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.exe
Size

1.3MB
MD5

3286d2d7dd3441fa833e4f94986675e3
SHA1

5e9943e7baf5669d708881e562e298a9858aa526
SHA256

6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177
SHA512

f494ea05ec5dd154794ffffc6821f7b44191b5b6e472cdc0b70ddd05cb6fad7e425e7792ae1210ec2982e312abee9d1cee7945f426bd2df9ffc5c32e908abf68

Score

10^/10

masslogger collection ransomware spyware stealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\79FE0CC911\Log.txt

Family

masslogger

Ransom Note

################################################################# MassLogger v1.3.5.0 ################################################################# ### Logger Details ### User Name: Admin IP: 154.61.71.51 Location: United States OS: Microsoft Windows 7 Ultimate 64bit CPU: Intel Core Processor (Broadwell) GPU: Standard VGA Graphics Adapter AV: NA Screen Resolution: 1280x720 Current Time: 5/24/2022 5:20:52 PM MassLogger Started: 5/24/2022 5:20:41 PM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes:

Signatures

MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
stealer spyware masslogger

MassLogger log file 1 IoCs

Detects a log file produced by MassLogger.

yara_rule
masslogger_log_file

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-1-5-21-1819626980-2277161760-1023733287-1000\Control Panel\International\Geo\Nation	6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.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 15 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.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
3	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1100 set thread context of 1828	1100	6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.exe	27

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1828	6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1100	6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.exe
1828	6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.exe
1828	6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1100	6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1828	6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1828	6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1100 wrote to memory of 1828	1100	6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.exe	27
PID 1100 wrote to memory of 1828	1100	6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.exe	27
PID 1100 wrote to memory of 1828	1100	6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.exe	27
PID 1100 wrote to memory of 1828	1100	6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.exe	27

outlook_office_path 1 IoCs

description	ioc	Process
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.exe

C:\Users\Admin\AppData\Local\Temp\6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.exe
"C:\Users\Admin\AppData\Local\Temp\6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1100
- C:\Users\Admin\AppData\Local\Temp\6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.exe
  "C:\Users\Admin\AppData\Local\Temp\6b7c0aefac658e3b104b8e0a56ce9d66c4e1043d1383c3f5a68e57b9167b1177.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:1828

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/1100-54-0x0000000074B51000-0x0000000074B53000-memory.dmp

Filesize
8KB

Download
memory/1100-56-0x0000000000400000-0x0000000000550000-memory.dmp

Filesize
1.3MB

Download
memory/1828-58-0x0000000001E70000-0x0000000001F20000-memory.dmp

Filesize
704KB

Download
memory/1828-57-0x0000000001E70000-0x0000000001F20000-memory.dmp

Filesize
704KB

Download
memory/1828-61-0x0000000001E70000-0x0000000001F20000-memory.dmp

Filesize
704KB

Download
memory/1828-63-0x0000000001E70000-0x0000000001F20000-memory.dmp

Filesize
704KB

Download
memory/1828-65-0x0000000001E70000-0x0000000001F20000-memory.dmp

Filesize
704KB

Download
memory/1828-67-0x0000000001E70000-0x0000000001F20000-memory.dmp

Filesize
704KB

Download
memory/1828-69-0x0000000001E70000-0x0000000001F20000-memory.dmp

Filesize
704KB

Download
memory/1828-71-0x0000000001E70000-0x0000000001F20000-memory.dmp

Filesize
704KB

Download
memory/1828-73-0x0000000001E70000-0x0000000001F20000-memory.dmp

Filesize
704KB

Download
memory/1828-75-0x0000000001E70000-0x0000000001F20000-memory.dmp

Filesize
704KB

Download
memory/1828-77-0x0000000001E70000-0x0000000001F20000-memory.dmp

Filesize
704KB

Download
memory/1828-79-0x0000000001E70000-0x0000000001F20000-memory.dmp

Filesize
704KB

Download
memory/1828-81-0x0000000001E70000-0x0000000001F20000-memory.dmp

Filesize
704KB

Download
memory/1828-83-0x0000000001E70000-0x0000000001F20000-memory.dmp

Filesize
704KB

Download
memory/1828-85-0x0000000001E70000-0x0000000001F20000-memory.dmp

Filesize
704KB

Download
memory/1828-87-0x0000000001E70000-0x0000000001F20000-memory.dmp

Filesize
704KB

Download
memory/1828-89-0x0000000001E70000-0x0000000001F20000-memory.dmp

Filesize
704KB

Download
memory/1828-91-0x0000000001E70000-0x0000000001F20000-memory.dmp

Filesize
704KB

Download
memory/1828-93-0x0000000001E70000-0x0000000001F20000-memory.dmp

Filesize
704KB

Download
memory/1828-95-0x0000000001E70000-0x0000000001F20000-memory.dmp

Filesize
704KB

Download
memory/1828-97-0x0000000001E70000-0x0000000001F20000-memory.dmp

Filesize
704KB

Download
memory/1828-99-0x0000000001E70000-0x0000000001F20000-memory.dmp

Filesize
704KB

Download
memory/1828-101-0x0000000001E70000-0x0000000001F20000-memory.dmp

Filesize
704KB

Download
memory/1828-103-0x0000000001E70000-0x0000000001F20000-memory.dmp

Filesize
704KB

Download
memory/1828-105-0x0000000001E70000-0x0000000001F20000-memory.dmp

Filesize
704KB

Download
memory/1828-107-0x0000000001E70000-0x0000000001F20000-memory.dmp

Filesize
704KB

Download
memory/1828-109-0x0000000001E70000-0x0000000001F20000-memory.dmp

Filesize
704KB

Download
memory/1828-111-0x0000000001E70000-0x0000000001F20000-memory.dmp

Filesize
704KB

Download
memory/1828-113-0x0000000001E70000-0x0000000001F20000-memory.dmp

Filesize
704KB

Download
memory/1828-115-0x0000000001E70000-0x0000000001F20000-memory.dmp

Filesize
704KB

Download
memory/1828-117-0x0000000001E70000-0x0000000001F20000-memory.dmp

Filesize
704KB

Download
memory/1828-119-0x0000000001E70000-0x0000000001F20000-memory.dmp

Filesize
704KB

Download
memory/1828-570-0x0000000004B90000-0x0000000004BD4000-memory.dmp

Filesize
272KB

Download
memory/1828-571-0x0000000004D45000-0x0000000004D56000-memory.dmp

Filesize
68KB

Download
memory/1828-572-0x0000000006330000-0x0000000006344000-memory.dmp

Filesize
80KB

Download