masslogger | 9a458b11b70f2e2aac199b98486adfbe60c6c7ef7e3eeecc9dc4cac96ea6013e

Analysis

max time kernel
85s
max time network
75s
platform
windows7_x64
resource
win7-20220414-en
submitted
21-05-2022 00:04

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General

Target

SCVT_PO7.exe
Size

1.1MB
MD5

ff4d11fe8c488439082d8ab0b5bcae77
SHA1

b7aa7159547add8201d3204b74ff637a78b0a4aa
SHA256

e3b22f7b9f72b19b41dfe024803aeeaa88d0072a3e10a5bea82413285721c91b
SHA512

90db98db5bd8adc3c03908c1ac01a9236387bbf4f2d113360639474f9b6a646eab325c3f1d0640f61f75a1a81228fa59ed01285c9f608b673f0947812e102f08

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: 127.0.0.1 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 2:06:49 AM MassLogger Started: 5/21/2022 2:06:24 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\SCVT_PO7.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 log file 1 IoCs

Detects a log file produced by MassLogger.

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Control Panel\International\Geo\Nation	SCVT_PO7.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

description	ioc	Process
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SCVT_PO7.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SCVT_PO7.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	SCVT_PO7.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SCVT_PO7.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SCVT_PO7.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	SCVT_PO7.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SCVT_PO7.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	SCVT_PO7.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SCVT_PO7.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SCVT_PO7.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SCVT_PO7.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	SCVT_PO7.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SCVT_PO7.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SCVT_PO7.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SCVT_PO7.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	SCVT_PO7.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SCVT_PO7.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	SCVT_PO7.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SCVT_PO7.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SCVT_PO7.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	SCVT_PO7.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	SCVT_PO7.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SCVT_PO7.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	SCVT_PO7.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SCVT_PO7.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SCVT_PO7.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SCVT_PO7.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	SCVT_PO7.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	SCVT_PO7.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	SCVT_PO7.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SCVT_PO7.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	SCVT_PO7.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SCVT_PO7.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SCVT_PO7.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	SCVT_PO7.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.

flow	ioc
4	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2020 set thread context of 1528	2020	SCVT_PO7.exe	29

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1528	SCVT_PO7.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2020	SCVT_PO7.exe
2020	SCVT_PO7.exe
2020	SCVT_PO7.exe
2020	SCVT_PO7.exe
2020	SCVT_PO7.exe
2020	SCVT_PO7.exe
1528	SCVT_PO7.exe
1528	SCVT_PO7.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2020	SCVT_PO7.exe
Token: SeDebugPrivilege	1528	SCVT_PO7.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1528	SCVT_PO7.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2020 wrote to memory of 1720	2020	SCVT_PO7.exe	28
PID 2020 wrote to memory of 1720	2020	SCVT_PO7.exe	28
PID 2020 wrote to memory of 1720	2020	SCVT_PO7.exe	28
PID 2020 wrote to memory of 1720	2020	SCVT_PO7.exe	28
PID 2020 wrote to memory of 1528	2020	SCVT_PO7.exe	29
PID 2020 wrote to memory of 1528	2020	SCVT_PO7.exe	29
PID 2020 wrote to memory of 1528	2020	SCVT_PO7.exe	29
PID 2020 wrote to memory of 1528	2020	SCVT_PO7.exe	29
PID 2020 wrote to memory of 1528	2020	SCVT_PO7.exe	29
PID 2020 wrote to memory of 1528	2020	SCVT_PO7.exe	29
PID 2020 wrote to memory of 1528	2020	SCVT_PO7.exe	29
PID 2020 wrote to memory of 1528	2020	SCVT_PO7.exe	29
PID 2020 wrote to memory of 1528	2020	SCVT_PO7.exe	29

outlook_office_path 1 IoCs

description	ioc	Process
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SCVT_PO7.exe

outlook_win_path 1 IoCs

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	SCVT_PO7.exe

C:\Users\Admin\AppData\Local\Temp\SCVT_PO7.exe
"C:\Users\Admin\AppData\Local\Temp\SCVT_PO7.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2020
- C:\Users\Admin\AppData\Local\Temp\SCVT_PO7.exe
  "{path}"
  2⤵
  PID:1720
- C:\Users\Admin\AppData\Local\Temp\SCVT_PO7.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:1528

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

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Downloads

memory/1528-69-0x0000000000400000-0x00000000004C4000-memory.dmp

Filesize
784KB

Download
memory/1528-60-0x0000000000400000-0x00000000004C4000-memory.dmp

Filesize
784KB

Download
memory/1528-73-0x00000000046D0000-0x00000000046E4000-memory.dmp

Filesize
80KB

Download
memory/1528-72-0x0000000004C35000-0x0000000004C46000-memory.dmp

Filesize
68KB

Download
memory/1528-62-0x0000000000400000-0x00000000004C4000-memory.dmp

Filesize
784KB

Download
memory/1528-59-0x0000000000400000-0x00000000004C4000-memory.dmp

Filesize
784KB

Download
memory/1528-70-0x00000000045F0000-0x0000000004668000-memory.dmp

Filesize
480KB

Download
memory/1528-63-0x0000000000400000-0x00000000004C4000-memory.dmp

Filesize
784KB

Download
memory/1528-67-0x0000000000400000-0x00000000004C4000-memory.dmp

Filesize
784KB

Download
memory/1528-64-0x0000000000400000-0x00000000004C4000-memory.dmp

Filesize
784KB

Download
memory/2020-58-0x000000000AB40000-0x000000000AC0E000-memory.dmp

Filesize
824KB

Download
memory/2020-54-0x0000000000A20000-0x0000000000B44000-memory.dmp

Filesize
1.1MB

Download
memory/2020-55-0x00000000755C1000-0x00000000755C3000-memory.dmp

Filesize
8KB

Download
memory/2020-57-0x0000000005EA0000-0x0000000005F6C000-memory.dmp

Filesize
816KB

Download
memory/2020-56-0x00000000004A0000-0x00000000004AA000-memory.dmp

Filesize
40KB

Download