masslogger | 039f4e733627c8a68c6bdf598e2e5f3887c53eee4034f0db21d6b159146aa0f7

Analysis

max time kernel
126s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
21-05-2022 01:38

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General

Target

Inquired Materials.exe
Size

2.3MB
MD5

47d3bd28eb5dd0d07bf1550987f443fd
SHA1

f25d43feefd19d187e64f4bf8bfb33589cc0c32a
SHA256

db6d686590ded24cbfc0dfb2be4cd25035d7422c4cf49e6b9bf94469d2573e7d
SHA512

76065edd59cb13198de9d7f668977089d02b4bad286f6067141acbca57a54f8da07bc48b78ee04954e5e5f0f916eb113a0eb212dc13702d5c36f27cbddffebec

Score

10^/10

masslogger collection ransomware spyware stealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\EEB932C954\Log.txt

Family

masslogger

Ransom Note

################################################################# MassLogger v1.3.3.0 ################################################################# ### Logger Details ### User Name: Admin IP: 154.61.71.13 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 4:31:43 AM MassLogger Started: 5/21/2022 4:31:36 AM Interval: 2 hour MassLogger Process: C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe As Administrator: True

Extracted

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
[email protected]
Password:
Dmacdavid

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

yara_rule
masslogger_log_file

Accesses Microsoft Outlook profiles 1 TTPs 18 IoCs

collection

Email Collection

T1114

Processes:

InstallUtil.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook	InstallUtil.exe
Key queried	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook	InstallUtil.exe
Key created	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key created	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook	InstallUtil.exe
Key created	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key queried	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key created	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key queried	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key queried	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	InstallUtil.exe
Key queried	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key created	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key created	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	InstallUtil.exe
Key created	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key queried	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key created	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.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

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

Processes:

Inquired Materials.exe

description pid process target process

PID 4920 set thread context of 1008 4920 Inquired Materials.exe InstallUtil.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

InstallUtil.exe

pid process

1008 InstallUtil.exe

flow	ioc
31	api.ipify.org

description	pid	process	target process
PID 4920 set thread context of 1008	4920	Inquired Materials.exe	InstallUtil.exe

pid	process
1008	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 25 IoCs

Processes:

Inquired Materials.exeInstallUtil.exe

pid	process
4920	Inquired Materials.exe
4920	Inquired Materials.exe
4920	Inquired Materials.exe
1008	InstallUtil.exe
1008	InstallUtil.exe
1008	InstallUtil.exe
1008	InstallUtil.exe
1008	InstallUtil.exe
1008	InstallUtil.exe
1008	InstallUtil.exe
1008	InstallUtil.exe
1008	InstallUtil.exe
1008	InstallUtil.exe
1008	InstallUtil.exe
1008	InstallUtil.exe
1008	InstallUtil.exe
1008	InstallUtil.exe
1008	InstallUtil.exe
1008	InstallUtil.exe
1008	InstallUtil.exe
1008	InstallUtil.exe
1008	InstallUtil.exe
1008	InstallUtil.exe
1008	InstallUtil.exe
1008	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Inquired Materials.exeInstallUtil.exe

description pid process

Token: SeDebugPrivilege 4920 Inquired Materials.exe
Token: SeDebugPrivilege 1008 InstallUtil.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

InstallUtil.exe

pid process

1008 InstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	4920	Inquired Materials.exe
Token: SeDebugPrivilege	1008	InstallUtil.exe

pid	process
1008	InstallUtil.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

Inquired Materials.exe

description	pid	process	target process
PID 4920 wrote to memory of 1008	4920	Inquired Materials.exe	InstallUtil.exe
PID 4920 wrote to memory of 1008	4920	Inquired Materials.exe	InstallUtil.exe
PID 4920 wrote to memory of 1008	4920	Inquired Materials.exe	InstallUtil.exe
PID 4920 wrote to memory of 1008	4920	Inquired Materials.exe	InstallUtil.exe
PID 4920 wrote to memory of 1008	4920	Inquired Materials.exe	InstallUtil.exe
PID 4920 wrote to memory of 1008	4920	Inquired Materials.exe	InstallUtil.exe
PID 4920 wrote to memory of 1008	4920	Inquired Materials.exe	InstallUtil.exe
PID 4920 wrote to memory of 1008	4920	Inquired Materials.exe	InstallUtil.exe

outlook_office_path 1 IoCs

Processes:

InstallUtil.exe

description	ioc	process
Key queried	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

outlook_win_path 1 IoCs

Processes:

InstallUtil.exe

description	ioc	process
Key queried	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\Inquired Materials.exe
"C:\Users\Admin\AppData\Local\Temp\Inquired Materials.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4920
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
  2⤵
  - 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:1008

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1008-165-0x0000000000400000-0x0000000000546000-memory.dmp

Filesize
1.3MB

Download
memory/1008-139-0x0000000000400000-0x0000000000546000-memory.dmp

Filesize
1.3MB

Download
memory/1008-643-0x0000000008180000-0x000000000821C000-memory.dmp

Filesize
624KB

Download
memory/1008-642-0x0000000008090000-0x00000000080E0000-memory.dmp

Filesize
320KB

Download
memory/1008-134-0x0000000000000000-mapping.dmp

Download
memory/1008-169-0x0000000000400000-0x0000000000546000-memory.dmp

Filesize
1.3MB

Download
memory/1008-137-0x0000000000400000-0x0000000000546000-memory.dmp

Filesize
1.3MB

Download
memory/1008-167-0x0000000000400000-0x0000000000546000-memory.dmp

Filesize
1.3MB

Download
memory/1008-141-0x0000000000400000-0x0000000000546000-memory.dmp

Filesize
1.3MB

Download
memory/1008-143-0x0000000000400000-0x0000000000546000-memory.dmp

Filesize
1.3MB

Download
memory/1008-145-0x0000000000400000-0x0000000000546000-memory.dmp

Filesize
1.3MB

Download
memory/1008-147-0x0000000000400000-0x0000000000546000-memory.dmp

Filesize
1.3MB

Download
memory/1008-149-0x0000000000400000-0x0000000000546000-memory.dmp

Filesize
1.3MB

Download
memory/1008-151-0x0000000000400000-0x0000000000546000-memory.dmp

Filesize
1.3MB

Download
memory/1008-153-0x0000000000400000-0x0000000000546000-memory.dmp

Filesize
1.3MB

Download
memory/1008-155-0x0000000000400000-0x0000000000546000-memory.dmp

Filesize
1.3MB

Download
memory/1008-157-0x0000000000400000-0x0000000000546000-memory.dmp

Filesize
1.3MB

Download
memory/1008-159-0x0000000000400000-0x0000000000546000-memory.dmp

Filesize
1.3MB

Download
memory/1008-161-0x0000000000400000-0x0000000000546000-memory.dmp

Filesize
1.3MB

Download
memory/1008-163-0x0000000000400000-0x0000000000546000-memory.dmp

Filesize
1.3MB

Download
memory/1008-641-0x0000000006560000-0x000000000656A000-memory.dmp

Filesize
40KB

Download
memory/1008-640-0x0000000006110000-0x0000000006176000-memory.dmp

Filesize
408KB

Download
memory/1008-135-0x0000000000400000-0x0000000000546000-memory.dmp

Filesize
1.3MB

Download
memory/1008-171-0x0000000000400000-0x0000000000546000-memory.dmp

Filesize
1.3MB

Download
memory/1008-173-0x0000000000400000-0x0000000000546000-memory.dmp

Filesize
1.3MB

Download
memory/1008-175-0x0000000000400000-0x0000000000546000-memory.dmp

Filesize
1.3MB

Download
memory/1008-177-0x0000000000400000-0x0000000000546000-memory.dmp

Filesize
1.3MB

Download
memory/1008-179-0x0000000000400000-0x0000000000546000-memory.dmp

Filesize
1.3MB

Download
memory/1008-181-0x0000000000400000-0x0000000000546000-memory.dmp

Filesize
1.3MB

Download
memory/1008-183-0x0000000000400000-0x0000000000546000-memory.dmp

Filesize
1.3MB

Download
memory/1008-185-0x0000000000400000-0x0000000000546000-memory.dmp

Filesize
1.3MB

Download
memory/1008-187-0x0000000000400000-0x0000000000546000-memory.dmp

Filesize
1.3MB

Download
memory/1008-189-0x0000000000400000-0x0000000000546000-memory.dmp

Filesize
1.3MB

Download
memory/1008-191-0x0000000000400000-0x0000000000546000-memory.dmp

Filesize
1.3MB

Download
memory/1008-193-0x0000000000400000-0x0000000000546000-memory.dmp

Filesize
1.3MB

Download
memory/1008-195-0x0000000000400000-0x0000000000546000-memory.dmp

Filesize
1.3MB

Download
memory/1008-197-0x0000000000400000-0x0000000000546000-memory.dmp

Filesize
1.3MB

Download
memory/4920-131-0x0000000005D80000-0x0000000006324000-memory.dmp

Filesize
5.6MB

Download
memory/4920-133-0x0000000005CE0000-0x0000000005D24000-memory.dmp

Filesize
272KB

Download
memory/4920-130-0x0000000000AE0000-0x0000000000D30000-memory.dmp

Filesize
2.3MB

Download
memory/4920-132-0x0000000005870000-0x0000000005902000-memory.dmp

Filesize
584KB

Download