masslogger | 75dacdb2058c0074e179b9ada9a855abbb008ec0044ddbe29f6ff8a07c705088

General

Target

FENG 2910836.exe
Size

1.2MB
MD5

299676e378f6b117acf153c945be8aa7
SHA1

fba3938d5185ebdbc79d60eba8171b27bcc999cb
SHA256

ac8a7922316a93951a4e2033fda200c5742a67daf9a3f1005a67d85466981b97
SHA512

09c5a9816a6c26285f32535b3bdc2b9a5de90fbc2839c05c4a1947b9b3537281e8e2f3624b79f9afffbd0a34404e6895707ba8184c247016c148525ac28935b8

Score

10^/10

masslogger collection ransomware spyware stealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\AEF946DCB4\Log.txt

Family

masslogger

Ransom Note

<|| v2.4.0.0 ||> User Name: Admin IP: 154.61.71.50 Location: United States Windows OS: Microsoft Windows 7 Ultimate 64bit Windows Serial Key: D4F6K-QK3RD-TMVMJ-BBMRX-3MBMV CPU: Intel Core Processor (Broadwell) GPU: Standard VGA Graphics Adapter AV: NA Screen Resolution: 1280x720 Current Time: 5/21/2022 2:34:12 AM MassLogger Started: 5/21/2022 2:33:47 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\FENG 2910836.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes: <|| WD Exclusion ||> Disabled <|| Binder ||> Disabled <|| Window Searcher ||> Disabled <|| Downloader ||> Disabled <|| Bot Killer ||> Disabled <|| Search And Upload ||> Disabled <|| Telegram Desktop ||> Not Installed <|| Pidgin ||> Not Installed <|| FileZilla ||> Not Installed <|| Discord Tokken ||> Not Installed <|| NordVPN ||> Not Installed <|| Outlook ||> Not Installed <|| FoxMail ||> Not Installed <|| Thunderbird ||> Not Installed <|| FireFox ||> Not Found <|| QQ Browser ||> Not Installed <|| Chromium Recovery ||> Not Installed or Not Found <|| Keylogger And Clipboard ||> NA

Extracted

Credentials

Protocol: smtp
Host:
smtp.yandex.ru
Port:
587
Username:
[email protected]
Password:
ayo2018

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

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:

FENG 2910836.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Control Panel\International\Geo\Nation	FENG 2910836.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 35 IoCs

collection

Email Collection

T1114

Processes:

FENG 2910836.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	FENG 2910836.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	FENG 2910836.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	FENG 2910836.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	FENG 2910836.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	FENG 2910836.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	FENG 2910836.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	FENG 2910836.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	FENG 2910836.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	FENG 2910836.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	FENG 2910836.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	FENG 2910836.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	FENG 2910836.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	FENG 2910836.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	FENG 2910836.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	FENG 2910836.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	FENG 2910836.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	FENG 2910836.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	FENG 2910836.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	FENG 2910836.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	FENG 2910836.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	FENG 2910836.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	FENG 2910836.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	FENG 2910836.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	FENG 2910836.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	FENG 2910836.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	FENG 2910836.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	FENG 2910836.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	FENG 2910836.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	FENG 2910836.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	FENG 2910836.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	FENG 2910836.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	FENG 2910836.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	FENG 2910836.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	FENG 2910836.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	FENG 2910836.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

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

Processes:

FENG 2910836.exe

description pid process target process

PID 2020 set thread context of 268 2020 FENG 2910836.exe FENG 2910836.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

952 schtasks.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

FENG 2910836.exe

pid process

268 FENG 2910836.exe
Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

FENG 2910836.exeFENG 2910836.exe

pid process

2020 FENG 2910836.exe
2020 FENG 2910836.exe
2020 FENG 2910836.exe
2020 FENG 2910836.exe
2020 FENG 2910836.exe
268 FENG 2910836.exe
268 FENG 2910836.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

FENG 2910836.exeFENG 2910836.exe

description pid process

Token: SeDebugPrivilege 2020 FENG 2910836.exe
Token: SeDebugPrivilege 268 FENG 2910836.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

FENG 2910836.exe

pid process

268 FENG 2910836.exe

flow	ioc
4	api.ipify.org

description	pid	process	target process
PID 2020 set thread context of 268	2020	FENG 2910836.exe	FENG 2910836.exe

pid	process
952	schtasks.exe

pid	process
268	FENG 2910836.exe

pid	process
2020	FENG 2910836.exe
2020	FENG 2910836.exe
2020	FENG 2910836.exe
2020	FENG 2910836.exe
2020	FENG 2910836.exe
268	FENG 2910836.exe
268	FENG 2910836.exe

description	pid	process
Token: SeDebugPrivilege	2020	FENG 2910836.exe
Token: SeDebugPrivilege	268	FENG 2910836.exe

pid	process
268	FENG 2910836.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

FENG 2910836.exe

description	pid	process	target process
PID 2020 wrote to memory of 952	2020	FENG 2910836.exe	schtasks.exe
PID 2020 wrote to memory of 952	2020	FENG 2910836.exe	schtasks.exe
PID 2020 wrote to memory of 952	2020	FENG 2910836.exe	schtasks.exe
PID 2020 wrote to memory of 952	2020	FENG 2910836.exe	schtasks.exe
PID 2020 wrote to memory of 1832	2020	FENG 2910836.exe	FENG 2910836.exe
PID 2020 wrote to memory of 1832	2020	FENG 2910836.exe	FENG 2910836.exe
PID 2020 wrote to memory of 1832	2020	FENG 2910836.exe	FENG 2910836.exe
PID 2020 wrote to memory of 1832	2020	FENG 2910836.exe	FENG 2910836.exe
PID 2020 wrote to memory of 764	2020	FENG 2910836.exe	FENG 2910836.exe
PID 2020 wrote to memory of 764	2020	FENG 2910836.exe	FENG 2910836.exe
PID 2020 wrote to memory of 764	2020	FENG 2910836.exe	FENG 2910836.exe
PID 2020 wrote to memory of 764	2020	FENG 2910836.exe	FENG 2910836.exe
PID 2020 wrote to memory of 268	2020	FENG 2910836.exe	FENG 2910836.exe
PID 2020 wrote to memory of 268	2020	FENG 2910836.exe	FENG 2910836.exe
PID 2020 wrote to memory of 268	2020	FENG 2910836.exe	FENG 2910836.exe
PID 2020 wrote to memory of 268	2020	FENG 2910836.exe	FENG 2910836.exe
PID 2020 wrote to memory of 268	2020	FENG 2910836.exe	FENG 2910836.exe
PID 2020 wrote to memory of 268	2020	FENG 2910836.exe	FENG 2910836.exe
PID 2020 wrote to memory of 268	2020	FENG 2910836.exe	FENG 2910836.exe
PID 2020 wrote to memory of 268	2020	FENG 2910836.exe	FENG 2910836.exe
PID 2020 wrote to memory of 268	2020	FENG 2910836.exe	FENG 2910836.exe

outlook_office_path 1 IoCs

Processes:

FENG 2910836.exe

description	ioc	process
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	FENG 2910836.exe

outlook_win_path 1 IoCs

Processes:

FENG 2910836.exe

description	ioc	process
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	FENG 2910836.exe

C:\Users\Admin\AppData\Local\Temp\FENG 2910836.exe
"C:\Users\Admin\AppData\Local\Temp\FENG 2910836.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2020

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\equUeGsADNjA" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBDB5.tmp"
2⤵
- Creates scheduled task(s)
PID:952

C:\Users\Admin\AppData\Local\Temp\FENG 2910836.exe
"{path}"
2⤵
PID:1832

C:\Users\Admin\AppData\Local\Temp\FENG 2910836.exe
"{path}"
2⤵
PID:764

C:\Users\Admin\AppData\Local\Temp\FENG 2910836.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:268

Network

MITRE ATT&CK Enterprise 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

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpBDB5.tmp
Filesize
1KB

MD5
5496292afc1557ffb8b9dce523d329e1

SHA1
0641c51e312a0c8b4ec28975e2b1511bbe366248

SHA256
b694a383e6d9a4f7a227edb5a06dbd6f3fb75bb02b88f6dce00e14d1c2638309

SHA512
ccbd505ccfe7e0fac63d6e895dd3e5f5417ccdbb83d76f0f23f4525e82aabc2b6e4e42f59a7f76e8fc3ef727cbc7aeac97a90c327b56b2e16a4c8cb4b59ba04f

Download Submit
memory/268-66-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/268-61-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/268-74-0x0000000004EB5000-0x0000000004EC6000-memory.dmp

Filesize
68KB

Download
memory/268-72-0x0000000002260000-0x00000000022D8000-memory.dmp

Filesize
480KB

Download
memory/268-64-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/268-71-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/268-69-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/268-62-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/268-67-0x00000000004B30FE-mapping.dmp

Download
memory/268-65-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/952-59-0x0000000000000000-mapping.dmp

Download
memory/2020-54-0x0000000000060000-0x0000000000190000-memory.dmp

Filesize
1.2MB

Download
memory/2020-56-0x00000000005C0000-0x00000000005D0000-memory.dmp

Filesize
64KB

Download
memory/2020-55-0x00000000759F1000-0x00000000759F3000-memory.dmp

Filesize
8KB

Download
memory/2020-58-0x0000000005930000-0x00000000059E8000-memory.dmp

Filesize
736KB

Download
memory/2020-57-0x0000000005140000-0x00000000051FA000-memory.dmp

Filesize
744KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads