masslogger | f5be493b3851e69348d4e4386af39f571ba9c52925d404db5ad733abab20892c

General

Target

Request for new order.exe
Size

948KB
MD5

379abf3d912c4360aa57dcc1bf36425d
SHA1

8d93efda1d50ba3dc65c4def509a14ded2559b15
SHA256

31b2c043dac09d9f3c0050f5bdce779a26e4612f501573728d65188bb7684fbc
SHA512

d4fbf4c9c0dbaaf913c5328f96e3775b465c1f7bd4ea29bbc354f66d9a2f737276862c956c53c8c3d485b6d26bc2f94032e8087295d8e2a2ddf8187b5765fe50

Score

10^/10

masslogger collection evasion ransomware spyware stealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\0F48153F20\Log.txt

Family

masslogger

Ransom Note

################################################################# MassLogger v1.3.7.1 ################################################################# ### Logger Details ### User Name: Admin IP: 154.61.71.51 Location: United States Windows OS: Microsoft Windows 10 Pro64bit Windows Serial Key: W269N-WFGWX-YVC9B-4J6C9-T83GX CPU: Intel Core Processor (Broadwell) GPU: Microsoft Basic Display Adapter AV: NA Screen Resolution: 1280x720 Current Time: 5/21/2022 1:45:28 AM MassLogger Started: 5/21/2022 1:45:25 AM Interval: 9 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\Request for new order.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.

Processes:

yara_rule

masslogger_log_file
Modifies visibility of file extensions in Explorer 2 TTPs
evasion

Hidden Files and Directories
T1158

Modify Registry
T1112

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

Processes:

Request for new order.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation	Request for new order.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 18 IoCs

collection

Email Collection

T1114

Processes:

Request for new order.exe

description	ioc	process
Key queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Request for new order.exe
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook	Request for new order.exe
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook	Request for new order.exe
Key queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Request for new order.exe
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Request for new order.exe
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	Request for new order.exe
Key queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	Request for new order.exe
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Request for new order.exe
Key queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook	Request for new order.exe
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Request for new order.exe
Key queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook	Request for new order.exe
Key queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Request for new order.exe
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Request for new order.exe
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Request for new order.exe
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Request for new order.exe
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Request for new order.exe
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Request for new order.exe
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Request for new order.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

54 api.ipify.org
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

4976 schtasks.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

Request for new order.exe

pid process

4516 Request for new order.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Request for new order.exe

pid process

4516 Request for new order.exe
4516 Request for new order.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Request for new order.exe

description pid process

Token: SeDebugPrivilege 4516 Request for new order.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Request for new order.exe

pid process

4516 Request for new order.exe

flow	ioc
54	api.ipify.org

pid	process
4976	schtasks.exe

pid	process
4516	Request for new order.exe

pid	process
4516	Request for new order.exe
4516	Request for new order.exe

description	pid	process
Token: SeDebugPrivilege	4516	Request for new order.exe

pid	process
4516	Request for new order.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

Request for new order.exe

description	pid	process	target process
PID 4516 wrote to memory of 4976	4516	Request for new order.exe	schtasks.exe
PID 4516 wrote to memory of 4976	4516	Request for new order.exe	schtasks.exe
PID 4516 wrote to memory of 4976	4516	Request for new order.exe	schtasks.exe

outlook_office_path 1 IoCs

Processes:

Request for new order.exe

description	ioc	process
Key queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Request for new order.exe

outlook_win_path 1 IoCs

Processes:

Request for new order.exe

description	ioc	process
Key queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Request for new order.exe

C:\Users\Admin\AppData\Local\Temp\Request for new order.exe
"C:\Users\Admin\AppData\Local\Temp\Request for new order.exe"
1⤵
- Checks computer location settings
- Accesses Microsoft Outlook profiles
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:4516
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\SOfprlxE" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3856.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:4976

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Hidden Files and Directories

Scheduled Task

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Hidden Files and Directories

Modify Registry

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp3856.tmp

Filesize
1KB

MD5
3806cd3baeb6eac9b097c614c34531b9

SHA1
817a1e302258faa07f0ee0aa7f673f029a366b4c

SHA256
2bf0119d8d9a1ddab416b8af47865d74ed0019c33a07c98d45a8daaac38e409b

SHA512
d2b26898ed6ea1cd8670e2024e4f308537cce1e79c73921e1457e971827a4f3c5ad2d86c848a6ddb1c4017930dca65f1a9a9b47533893a59c35fba4fed153f16

Download Submit
memory/4516-130-0x0000000000600000-0x00000000006F2000-memory.dmp

Filesize
968KB

Download
memory/4516-131-0x00000000055B0000-0x0000000005B54000-memory.dmp

Filesize
5.6MB

Download
memory/4516-132-0x00000000050A0000-0x0000000005132000-memory.dmp

Filesize
584KB

Download
memory/4516-133-0x0000000005140000-0x000000000514A000-memory.dmp

Filesize
40KB

Download
memory/4516-134-0x00000000051C0000-0x00000000051D2000-memory.dmp

Filesize
72KB

Download
memory/4516-135-0x0000000005350000-0x0000000005372000-memory.dmp

Filesize
136KB

Download
memory/4516-136-0x0000000008D30000-0x0000000008DCC000-memory.dmp

Filesize
624KB

Download
memory/4516-139-0x000000000AD50000-0x000000000ADB6000-memory.dmp

Filesize
408KB

Download
memory/4516-140-0x000000000CC30000-0x000000000CC80000-memory.dmp

Filesize
320KB

Download
memory/4976-137-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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