masslogger | 2a8545d3fd1bd5a35b19a76c3e6e454623bac3893cf1bbcc8bd950ca627db1e8

General

Target

PO3718852.exe
Size

1.0MB
MD5

5f44fff7c752fef03cbf05d1304279be
SHA1

967c4a4fe15ce10bcf1ab65bab7e2ec49eab6e01
SHA256

a73985784fd11ed9276d875521a98618001f232d756f3290b694466c16123a46
SHA512

e4325c42eb7fc9f80ea5d2525dbfc44e9c2c85ad4a021ef47eba26ce884810721a9e62f5a7bd93aefcc9ad634e326cbdca216e70605f5766073b8cf13c952224

Score

10^/10

masslogger collection ransomware spyware stealer

Malware Config

Extracted

Path

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

Family

masslogger

Ransom Note

<|| v2.2.0.0 ||> 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 3:44:15 AM MassLogger Started: 5/21/2022 3:44:03 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\PO3718852.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes: <|| WD Exclusion ||> Disabled <|| Binder ||> Disabled <|| Downloader ||> Disabled <|| USB Spread ||> Disabled <|| Window Searcher ||> 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

Signatures

MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
stealer spyware masslogger

MassLogger Main Payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/952-61-0x0000000000400000-0x00000000004C4000-memory.dmp	family_masslogger
behavioral1/memory/952-62-0x0000000000400000-0x00000000004C4000-memory.dmp	family_masslogger
behavioral1/memory/952-63-0x0000000000400000-0x00000000004C4000-memory.dmp	family_masslogger
behavioral1/memory/952-64-0x00000000004BF5EE-mapping.dmp	family_masslogger
behavioral1/memory/952-66-0x0000000000400000-0x00000000004C4000-memory.dmp	family_masslogger
behavioral1/memory/952-68-0x0000000000400000-0x00000000004C4000-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:

PO3718852.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Control Panel\International\Geo\Nation	PO3718852.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:

PO3718852.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	PO3718852.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO3718852.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO3718852.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO3718852.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	PO3718852.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO3718852.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	PO3718852.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO3718852.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO3718852.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	PO3718852.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO3718852.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO3718852.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO3718852.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO3718852.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	PO3718852.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	PO3718852.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	PO3718852.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO3718852.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO3718852.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	PO3718852.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	PO3718852.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO3718852.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	PO3718852.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	PO3718852.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO3718852.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO3718852.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	PO3718852.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	PO3718852.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO3718852.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO3718852.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO3718852.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	PO3718852.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO3718852.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO3718852.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO3718852.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:

PO3718852.exe

description pid process target process

PID 976 set thread context of 952 976 PO3718852.exe PO3718852.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

PO3718852.exe

pid process

952 PO3718852.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

PO3718852.exePO3718852.exe

pid process

976 PO3718852.exe
976 PO3718852.exe
976 PO3718852.exe
952 PO3718852.exe
952 PO3718852.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

PO3718852.exePO3718852.exe

description pid process

Token: SeDebugPrivilege 976 PO3718852.exe
Token: SeDebugPrivilege 952 PO3718852.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

PO3718852.exe

pid process

952 PO3718852.exe

flow	ioc
4	api.ipify.org

description	pid	process	target process
PID 976 set thread context of 952	976	PO3718852.exe	PO3718852.exe

pid	process
952	PO3718852.exe

pid	process
976	PO3718852.exe
976	PO3718852.exe
976	PO3718852.exe
952	PO3718852.exe
952	PO3718852.exe

description	pid	process
Token: SeDebugPrivilege	976	PO3718852.exe
Token: SeDebugPrivilege	952	PO3718852.exe

pid	process
952	PO3718852.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

PO3718852.exe

description	pid	process	target process
PID 976 wrote to memory of 952	976	PO3718852.exe	PO3718852.exe
PID 976 wrote to memory of 952	976	PO3718852.exe	PO3718852.exe
PID 976 wrote to memory of 952	976	PO3718852.exe	PO3718852.exe
PID 976 wrote to memory of 952	976	PO3718852.exe	PO3718852.exe
PID 976 wrote to memory of 952	976	PO3718852.exe	PO3718852.exe
PID 976 wrote to memory of 952	976	PO3718852.exe	PO3718852.exe
PID 976 wrote to memory of 952	976	PO3718852.exe	PO3718852.exe
PID 976 wrote to memory of 952	976	PO3718852.exe	PO3718852.exe
PID 976 wrote to memory of 952	976	PO3718852.exe	PO3718852.exe

outlook_office_path 1 IoCs

Processes:

PO3718852.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	PO3718852.exe

outlook_win_path 1 IoCs

Processes:

PO3718852.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	PO3718852.exe

C:\Users\Admin\AppData\Local\Temp\PO3718852.exe
"C:\Users\Admin\AppData\Local\Temp\PO3718852.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:976
- C:\Users\Admin\AppData\Local\Temp\PO3718852.exe
  "C:\Users\Admin\AppData\Local\Temp\PO3718852.exe"
  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:952

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/952-64-0x00000000004BF5EE-mapping.dmp

Download
memory/952-63-0x0000000000400000-0x00000000004C4000-memory.dmp

Filesize
784KB

Download
memory/952-72-0x00000000005C0000-0x00000000005D4000-memory.dmp

Filesize
80KB

Download
memory/952-71-0x0000000004E25000-0x0000000004E36000-memory.dmp

Filesize
68KB

Download
memory/952-58-0x0000000000400000-0x00000000004C4000-memory.dmp

Filesize
784KB

Download
memory/952-59-0x0000000000400000-0x00000000004C4000-memory.dmp

Filesize
784KB

Download
memory/952-69-0x0000000000BE0000-0x0000000000C58000-memory.dmp

Filesize
480KB

Download
memory/952-62-0x0000000000400000-0x00000000004C4000-memory.dmp

Filesize
784KB

Download
memory/952-61-0x0000000000400000-0x00000000004C4000-memory.dmp

Filesize
784KB

Download
memory/952-68-0x0000000000400000-0x00000000004C4000-memory.dmp

Filesize
784KB

Download
memory/952-66-0x0000000000400000-0x00000000004C4000-memory.dmp

Filesize
784KB

Download
memory/976-54-0x0000000000DB0000-0x0000000000EBC000-memory.dmp

Filesize
1.0MB

Download
memory/976-55-0x00000000759F1000-0x00000000759F3000-memory.dmp

Filesize
8KB

Download
memory/976-57-0x0000000000440000-0x000000000044A000-memory.dmp

Filesize
40KB

Download
memory/976-56-0x00000000003C0000-0x00000000003D4000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads