masslogger | b84e88b678f4f9984de9c8265b07e7dfdf1fce4d670df6444c9108ca11e74b47

Analysis

max time kernel
171s
max time network
181s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
21-05-2022 02:15

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General

Target

Order.exe
Size

963KB
MD5

31e4fd5f285426f12f9797ed344358d4
SHA1

3a56f6e47b85c73e3d5318b369a1f731b76ea177
SHA256

c4a07dc8bc6223598106bdc7ad462c050f7da18c2756fccc8c56d14b1c2bd04c
SHA512

3c6cea185b38f5abf6e7c9635ab4456f55d8dec67c9f5d1b505a20ee9f18554a3ffb6bef9f0a5925d147bcd954f9101d2e0a9d2db85287111d9e0dbc0ad6b3ae

Score

10^/10

masslogger collection evasion ransomware spyware stealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\F95B724EDE\Log.txt

Family

masslogger

Ransom Note

################################################################# MassLogger v1.3.5.0 ################################################################# ### Logger Details ### User Name: Admin IP: 154.61.71.50 Location: United States OS: Microsoft Windows 10 Pro64bit CPU: Intel Core Processor (Broadwell) GPU: Microsoft Basic Display Adapter AV: NA Screen Resolution: 1280x720 Current Time: 5/21/2022 5:24:23 AM MassLogger Started: 5/21/2022 5:24:20 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\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 Main Payload 32 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3116-137-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/3116-140-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/3116-142-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/3116-144-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/3116-146-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/3116-148-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/3116-150-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/3116-152-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/3116-154-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/3116-156-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/3116-158-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/3116-160-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/3116-162-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/3116-164-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/3116-166-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/3116-168-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/3116-170-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/3116-172-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/3116-174-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/3116-176-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/3116-178-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/3116-180-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/3116-182-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/3116-184-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/3116-186-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/3116-188-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/3116-190-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/3116-192-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/3116-194-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/3116-196-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/3116-198-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/3116-200-0x0000000000400000-0x00000000004B0000-memory.dmp	family_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 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

Order.exeOrder.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation	Order.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation	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:

Order.exe

description	ioc	process
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Order.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Order.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	Order.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Order.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Order.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Order.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook	Order.exe
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook	Order.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Order.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Order.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Order.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Order.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Order.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook	Order.exe
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook	Order.exe
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Order.exe
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	Order.exe
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	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

26 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

Order.exe

description pid process target process

PID 2336 set thread context of 3116 2336 Order.exe Order.exe
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

752 schtasks.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

Order.exe

pid process

3116 Order.exe
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

Order.exeOrder.exe

pid process

2336 Order.exe
2336 Order.exe
2336 Order.exe
2336 Order.exe
3116 Order.exe
3116 Order.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Order.exeOrder.exe

description pid process

Token: SeDebugPrivilege 2336 Order.exe
Token: SeDebugPrivilege 3116 Order.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Order.exe

pid process

3116 Order.exe

flow	ioc
26	api.ipify.org

description	pid	process	target process
PID 2336 set thread context of 3116	2336	Order.exe	Order.exe

pid	process
752	schtasks.exe

pid	process
3116	Order.exe

pid	process
2336	Order.exe
2336	Order.exe
2336	Order.exe
2336	Order.exe
3116	Order.exe
3116	Order.exe

description	pid	process
Token: SeDebugPrivilege	2336	Order.exe
Token: SeDebugPrivilege	3116	Order.exe

pid	process
3116	Order.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

Order.exe

description	pid	process	target process
PID 2336 wrote to memory of 752	2336	Order.exe	schtasks.exe
PID 2336 wrote to memory of 752	2336	Order.exe	schtasks.exe
PID 2336 wrote to memory of 752	2336	Order.exe	schtasks.exe
PID 2336 wrote to memory of 3116	2336	Order.exe	Order.exe
PID 2336 wrote to memory of 3116	2336	Order.exe	Order.exe
PID 2336 wrote to memory of 3116	2336	Order.exe	Order.exe
PID 2336 wrote to memory of 3116	2336	Order.exe	Order.exe
PID 2336 wrote to memory of 3116	2336	Order.exe	Order.exe
PID 2336 wrote to memory of 3116	2336	Order.exe	Order.exe
PID 2336 wrote to memory of 3116	2336	Order.exe	Order.exe
PID 2336 wrote to memory of 3116	2336	Order.exe	Order.exe

outlook_office_path 1 IoCs

Processes:

Order.exe

description	ioc	process
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Order.exe

outlook_win_path 1 IoCs

Processes:

Order.exe

description	ioc	process
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Order.exe

C:\Users\Admin\AppData\Local\Temp\Order.exe
"C:\Users\Admin\AppData\Local\Temp\Order.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2336
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VFshiWwiQJPOt" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD8FB.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:752
- C:\Users\Admin\AppData\Local\Temp\Order.exe
  "{path}"
  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:3116

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Hidden Files and Directories

T1158

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Hidden Files and Directories

T1158

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

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Order.exe.log

Filesize
507B

MD5
8cf94b5356be60247d331660005941ec

SHA1
fdedb361f40f22cb6a086c808fc0056d4e421131

SHA256
52a5b2d36f2b72cb02c695cf7ef46444dda73d4ea82a73e0894c805fa9987bc0

SHA512
b886dfc8bf03f8627f051fb6e2ac40ae2e7713584695a365728eb2e2c87217830029aa35bd129c642fa03dde3f7a7dd5690b16248676be60a6bb5f497fb23651

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpD8FB.tmp

Filesize
1KB

MD5
e5a7c95bbf6e4a3b78be5a40cf094860

SHA1
00394b6a6b1e9f04dfd97abf5dd8a447e8fb2041

SHA256
05e9cd5675dccfc2265477f6eacbcddbd4ddf152fb24d7e5c2e03082e810f4ec

SHA512
2f35be106d2c57e6cc0fdbf108cbb75f8f527ece8d743e2f5ed9c3997b3f4cac978e00d4196429c7edabc0593ab533ab75ac9713ed242810159f63ba5d4f5b26

Download Submit
memory/752-134-0x0000000000000000-mapping.dmp

Download
memory/2336-131-0x0000000007D60000-0x0000000008304000-memory.dmp

Filesize
5.6MB

Download
memory/2336-132-0x0000000007850000-0x00000000078E2000-memory.dmp

Filesize
584KB

Download
memory/2336-133-0x0000000007990000-0x0000000007A2C000-memory.dmp

Filesize
624KB

Download
memory/2336-130-0x0000000000500000-0x00000000005F8000-memory.dmp

Filesize
992KB

Download
memory/3116-162-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/3116-170-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/3116-140-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/3116-142-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/3116-144-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/3116-146-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/3116-148-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/3116-150-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/3116-152-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/3116-154-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/3116-156-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/3116-158-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/3116-160-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/3116-136-0x0000000000000000-mapping.dmp

Download
memory/3116-164-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/3116-166-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/3116-168-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/3116-137-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/3116-172-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/3116-174-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/3116-176-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/3116-178-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/3116-180-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/3116-182-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/3116-184-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/3116-186-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/3116-188-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/3116-190-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/3116-192-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/3116-194-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/3116-196-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/3116-198-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/3116-200-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/3116-647-0x00000000053C0000-0x0000000005426000-memory.dmp

Filesize
408KB

Download
memory/3116-648-0x0000000006BE0000-0x0000000006BEA000-memory.dmp

Filesize
40KB

Download
memory/3116-649-0x0000000007100000-0x0000000007150000-memory.dmp

Filesize
320KB

Download