masslogger | 644c9cf4829eb937cbecbeac43175b720a36c38d9cb3fbee3e22346f08fd8b33

General

Target

Tech7 A S Profile.exe
Size

980KB
MD5

75de41ae05708e3574b8e734996eb88f
SHA1

5a545c6edf90ccedea8387d8f5040f97b9e68bbe
SHA256

083c70afde1be48426ebcf28eacfa0cd47f96130790b79f5a367ae6b00eab142
SHA512

f9c7bb8712cc3b9cffaa56b10091b28d05af3a59a344a29f6132c280626fadff738a14a9bcf325865ac480a60baa6d5e54575c58c8427c78ad3c841178d4235a

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 v1.3.7.0 ################################################################# ### Logger Details ### User Name: Admin IP: 154.61.71.50 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 3:09:13 PM MassLogger Started: 5/21/2022 3:09:04 PM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\Tech7 A S Profile.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 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4204-138-0x0000000000400000-0x00000000004A8000-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 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

Tech7 A S Profile.exeTech7 A S Profile.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation	Tech7 A S Profile.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation	Tech7 A S Profile.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:

Tech7 A S Profile.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook	Tech7 A S Profile.exe
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook	Tech7 A S Profile.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Tech7 A S Profile.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Tech7 A S Profile.exe
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	Tech7 A S Profile.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Tech7 A S Profile.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Tech7 A S Profile.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Tech7 A S Profile.exe
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Tech7 A S Profile.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	Tech7 A S Profile.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Tech7 A S Profile.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Tech7 A S Profile.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Tech7 A S Profile.exe
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Tech7 A S Profile.exe
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook	Tech7 A S Profile.exe
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Tech7 A S Profile.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Tech7 A S Profile.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook	Tech7 A S Profile.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
Suspicious use of SetThreadContext 1 IoCs

Processes:

Tech7 A S Profile.exe

description pid process target process

PID 3804 set thread context of 4204 3804 Tech7 A S Profile.exe Tech7 A S Profile.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

3792 schtasks.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

Tech7 A S Profile.exe

pid process

4204 Tech7 A S Profile.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

Tech7 A S Profile.exeTech7 A S Profile.exe

pid process

3804 Tech7 A S Profile.exe
3804 Tech7 A S Profile.exe
3804 Tech7 A S Profile.exe
4204 Tech7 A S Profile.exe
4204 Tech7 A S Profile.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Tech7 A S Profile.exeTech7 A S Profile.exe

description pid process

Token: SeDebugPrivilege 3804 Tech7 A S Profile.exe
Token: SeDebugPrivilege 4204 Tech7 A S Profile.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Tech7 A S Profile.exe

pid process

4204 Tech7 A S Profile.exe

flow	ioc
49	api.ipify.org

description	pid	process	target process
PID 3804 set thread context of 4204	3804	Tech7 A S Profile.exe	Tech7 A S Profile.exe

pid	process
3792	schtasks.exe

pid	process
4204	Tech7 A S Profile.exe

pid	process
3804	Tech7 A S Profile.exe
3804	Tech7 A S Profile.exe
3804	Tech7 A S Profile.exe
4204	Tech7 A S Profile.exe
4204	Tech7 A S Profile.exe

description	pid	process
Token: SeDebugPrivilege	3804	Tech7 A S Profile.exe
Token: SeDebugPrivilege	4204	Tech7 A S Profile.exe

pid	process
4204	Tech7 A S Profile.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

Tech7 A S Profile.exe

description	pid	process	target process
PID 3804 wrote to memory of 3792	3804	Tech7 A S Profile.exe	schtasks.exe
PID 3804 wrote to memory of 3792	3804	Tech7 A S Profile.exe	schtasks.exe
PID 3804 wrote to memory of 3792	3804	Tech7 A S Profile.exe	schtasks.exe
PID 3804 wrote to memory of 4204	3804	Tech7 A S Profile.exe	Tech7 A S Profile.exe
PID 3804 wrote to memory of 4204	3804	Tech7 A S Profile.exe	Tech7 A S Profile.exe
PID 3804 wrote to memory of 4204	3804	Tech7 A S Profile.exe	Tech7 A S Profile.exe
PID 3804 wrote to memory of 4204	3804	Tech7 A S Profile.exe	Tech7 A S Profile.exe
PID 3804 wrote to memory of 4204	3804	Tech7 A S Profile.exe	Tech7 A S Profile.exe
PID 3804 wrote to memory of 4204	3804	Tech7 A S Profile.exe	Tech7 A S Profile.exe
PID 3804 wrote to memory of 4204	3804	Tech7 A S Profile.exe	Tech7 A S Profile.exe
PID 3804 wrote to memory of 4204	3804	Tech7 A S Profile.exe	Tech7 A S Profile.exe

outlook_office_path 1 IoCs

Processes:

Tech7 A S Profile.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	Tech7 A S Profile.exe

outlook_win_path 1 IoCs

Processes:

Tech7 A S Profile.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	Tech7 A S Profile.exe

C:\Users\Admin\AppData\Local\Temp\Tech7 A S Profile.exe
"C:\Users\Admin\AppData\Local\Temp\Tech7 A S Profile.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3804

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BbJsPf" /XML "C:\Users\Admin\AppData\Local\Temp\tmp198E.tmp"
2⤵
- Creates scheduled task(s)
PID:3792

C:\Users\Admin\AppData\Local\Temp\Tech7 A S Profile.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:4204

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Tech7 A S Profile.exe.log
Filesize
1KB

MD5
400f1cc1a0a0ce1cdabda365ab3368ce

SHA1
1ecf683f14271d84f3b6063493dce00ff5f42075

SHA256
c8fa64f4b69df13ed6408fd4a204f318a36c2f38c85d4a4d42adfc9173f73765

SHA512
14c8cfd58d097e5e89c8cabe1e665173f1ccf604a9ef70cdcb84116e265f90819c19c891be408e0ad7e29086a5c2ea2883b7a7d1184878dbbac63e2cabcd1c45

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp198E.tmp
Filesize
1KB

MD5
22d0d39bc2eb846c6ec502481bd4df52

SHA1
184b030b61cb26d3b013072fc73045d331d217c4

SHA256
91fd3a1065f49488b730019e6092f2fbe777f3e8d5b266e08b2f9de0be3b7d83

SHA512
174b7c102314fa8bea7dce62d659b5d28f7200e271df2e9499044ad7591d7465ac733ec6588ffbea0608ec3369a9338ad9b7c49259cf34ef38a27c922c0f72db

Download Submit
memory/3792-135-0x0000000000000000-mapping.dmp

Download
memory/3804-130-0x0000000000A20000-0x0000000000B1C000-memory.dmp

Filesize
1008KB

Download
memory/3804-131-0x000000000AFF0000-0x000000000B594000-memory.dmp

Filesize
5.6MB

Download
memory/3804-132-0x000000000AC20000-0x000000000ACB2000-memory.dmp

Filesize
584KB

Download
memory/3804-133-0x000000000AC00000-0x000000000AC0A000-memory.dmp

Filesize
40KB

Download
memory/3804-134-0x0000000005300000-0x000000000539C000-memory.dmp

Filesize
624KB

Download
memory/4204-137-0x0000000000000000-mapping.dmp

Download
memory/4204-138-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/4204-140-0x00000000059B0000-0x0000000005A16000-memory.dmp

Filesize
408KB

Download
memory/4204-141-0x00000000088B0000-0x0000000008900000-memory.dmp

Filesize
320KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads