masslogger | d0a266b4b689590e572020b8117157cdfa05d9b6d9cbcdb0aa5389ab3d55cfa6

Analysis

max time kernel
108s
max time network
182s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
21-05-2022 02:06

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General

Target

BIS SWIFT_20072020_9427492749242_PDF.exe
Size

859KB
MD5

eaa16f260cb00d0af4d9185afe4229ad
SHA1

0e24ae315d10be3bb2b6381fb8dd5236aa15bf5a
SHA256

4ec1d73b11767e3b5dd254e25b0614cd4b8031db95d9677ecbbd53e0eea9c4de
SHA512

aae1dce4c5ad629de0ac851fed60c0ff38e6c6c1665e0aa493c02b07832771e9ea794d492e9e6aeb60328a8975e8b8b0b9e1694ea6156966ae55ca54a0cf437e

Score

10^/10

masslogger collection 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 5:08:56 AM MassLogger Started: 5/21/2022 5:08:53 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\BIS SWIFT_20072020_9427492749242_PDF.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes:

Extracted

Credentials

Protocol: smtp
Host:
smtp.yandex.ru
Port:
587
Username:
[email protected]
Password:
whayasaynewnew

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/4136-137-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/4136-139-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/4136-141-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/4136-143-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/4136-145-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/4136-147-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/4136-149-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/4136-151-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/4136-153-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/4136-155-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/4136-157-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/4136-159-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/4136-161-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/4136-163-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/4136-165-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/4136-167-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/4136-169-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/4136-171-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/4136-173-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/4136-175-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/4136-177-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/4136-179-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/4136-181-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/4136-183-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/4136-185-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/4136-187-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/4136-189-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/4136-191-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/4136-193-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/4136-195-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/4136-197-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral2/memory/4136-199-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger

MassLogger log file 1 IoCs
Detects a log file produced by MassLogger.

Processes:

yara_rule

masslogger_log_file

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:

BIS SWIFT_20072020_9427492749242_PDF.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation	BIS SWIFT_20072020_9427492749242_PDF.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:

BIS SWIFT_20072020_9427492749242_PDF.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook	BIS SWIFT_20072020_9427492749242_PDF.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	BIS SWIFT_20072020_9427492749242_PDF.exe
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	BIS SWIFT_20072020_9427492749242_PDF.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	BIS SWIFT_20072020_9427492749242_PDF.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	BIS SWIFT_20072020_9427492749242_PDF.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	BIS SWIFT_20072020_9427492749242_PDF.exe
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook	BIS SWIFT_20072020_9427492749242_PDF.exe
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	BIS SWIFT_20072020_9427492749242_PDF.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	BIS SWIFT_20072020_9427492749242_PDF.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	BIS SWIFT_20072020_9427492749242_PDF.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	BIS SWIFT_20072020_9427492749242_PDF.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	BIS SWIFT_20072020_9427492749242_PDF.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	BIS SWIFT_20072020_9427492749242_PDF.exe
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	BIS SWIFT_20072020_9427492749242_PDF.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook	BIS SWIFT_20072020_9427492749242_PDF.exe
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook	BIS SWIFT_20072020_9427492749242_PDF.exe
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	BIS SWIFT_20072020_9427492749242_PDF.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	BIS SWIFT_20072020_9427492749242_PDF.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

49 api.ipify.org

flow	ioc
49	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

Processes:

BIS SWIFT_20072020_9427492749242_PDF.exe

description	pid	process	target process
PID 624 set thread context of 4136	624	BIS SWIFT_20072020_9427492749242_PDF.exe	BIS SWIFT_20072020_9427492749242_PDF.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

BIS SWIFT_20072020_9427492749242_PDF.exe

pid process

4136 BIS SWIFT_20072020_9427492749242_PDF.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

BIS SWIFT_20072020_9427492749242_PDF.exe

description pid process

Token: SeDebugPrivilege 4136 BIS SWIFT_20072020_9427492749242_PDF.exe

pid	process
4136	BIS SWIFT_20072020_9427492749242_PDF.exe

description	pid	process
Token: SeDebugPrivilege	4136	BIS SWIFT_20072020_9427492749242_PDF.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

BIS SWIFT_20072020_9427492749242_PDF.exe

description	pid	process	target process
PID 624 wrote to memory of 4136	624	BIS SWIFT_20072020_9427492749242_PDF.exe	BIS SWIFT_20072020_9427492749242_PDF.exe
PID 624 wrote to memory of 4136	624	BIS SWIFT_20072020_9427492749242_PDF.exe	BIS SWIFT_20072020_9427492749242_PDF.exe
PID 624 wrote to memory of 4136	624	BIS SWIFT_20072020_9427492749242_PDF.exe	BIS SWIFT_20072020_9427492749242_PDF.exe
PID 624 wrote to memory of 4136	624	BIS SWIFT_20072020_9427492749242_PDF.exe	BIS SWIFT_20072020_9427492749242_PDF.exe
PID 624 wrote to memory of 4136	624	BIS SWIFT_20072020_9427492749242_PDF.exe	BIS SWIFT_20072020_9427492749242_PDF.exe
PID 624 wrote to memory of 4136	624	BIS SWIFT_20072020_9427492749242_PDF.exe	BIS SWIFT_20072020_9427492749242_PDF.exe
PID 624 wrote to memory of 4136	624	BIS SWIFT_20072020_9427492749242_PDF.exe	BIS SWIFT_20072020_9427492749242_PDF.exe
PID 624 wrote to memory of 4136	624	BIS SWIFT_20072020_9427492749242_PDF.exe	BIS SWIFT_20072020_9427492749242_PDF.exe

outlook_office_path 1 IoCs

Processes:

BIS SWIFT_20072020_9427492749242_PDF.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	BIS SWIFT_20072020_9427492749242_PDF.exe

outlook_win_path 1 IoCs

Processes:

BIS SWIFT_20072020_9427492749242_PDF.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	BIS SWIFT_20072020_9427492749242_PDF.exe

C:\Users\Admin\AppData\Local\Temp\BIS SWIFT_20072020_9427492749242_PDF.exe
"C:\Users\Admin\AppData\Local\Temp\BIS SWIFT_20072020_9427492749242_PDF.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:624
- C:\Users\Admin\AppData\Local\Temp\BIS SWIFT_20072020_9427492749242_PDF.exe
  "C:\Users\Admin\AppData\Local\Temp\BIS SWIFT_20072020_9427492749242_PDF.exe"
  2⤵
  - Checks computer location settings
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4136

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

Loading Replay Monitor...

Downloads

memory/624-130-0x0000000000770000-0x000000000084E000-memory.dmp

Filesize
888KB

Download
memory/624-131-0x0000000005830000-0x0000000005DD4000-memory.dmp

Filesize
5.6MB

Download
memory/624-132-0x0000000005280000-0x0000000005312000-memory.dmp

Filesize
584KB

Download
memory/624-133-0x00000000051F0000-0x00000000051FA000-memory.dmp

Filesize
40KB

Download
memory/624-134-0x0000000008E70000-0x000000000939C000-memory.dmp

Filesize
5.2MB

Download
memory/624-135-0x00000000097B0000-0x000000000984C000-memory.dmp

Filesize
624KB

Download
memory/4136-136-0x0000000000000000-mapping.dmp

Download
memory/4136-137-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4136-139-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4136-141-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4136-143-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4136-145-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4136-147-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4136-149-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4136-151-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4136-153-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4136-155-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4136-157-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4136-159-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4136-161-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4136-163-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4136-165-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4136-167-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4136-169-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4136-171-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4136-173-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4136-175-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4136-177-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4136-179-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4136-181-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4136-183-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4136-185-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4136-187-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4136-189-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4136-191-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4136-193-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4136-195-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4136-197-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4136-199-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4136-646-0x0000000005500000-0x0000000005566000-memory.dmp

Filesize
408KB

Download
memory/4136-647-0x0000000006E30000-0x0000000006E80000-memory.dmp

Filesize
320KB

Download