masslogger | 40396e0b47a75f9c6c49a7b1b0d4b71b4999c1ffbfc6c4053e7d5606de75169b

Analysis

max time kernel
100s
max time network
153s
platform
windows7_x64
resource
win7-20220414-en
submitted
24-05-2022 21:08

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General

Target

40396e0b47a75f9c6c49a7b1b0d4b71b4999c1ffbfc6c4053e7d5606de75169b.exe
Size

673KB
MD5

f4f631e39cbe07cd2c95f0095b50fb3d
SHA1

b4921da5ae410b94e6c1c5087f0635a001875821
SHA256

40396e0b47a75f9c6c49a7b1b0d4b71b4999c1ffbfc6c4053e7d5606de75169b
SHA512

a76d6809ab4d798a12a55d260fc74cc2259aea73ae33137fc15c09e2064ffeb644d45115e4bce724110ae480b12bda6ff2643ca6ccc494039560c17adaae38c8

Score

10^/10

masslogger collection ransomware spyware stealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\3B8E3C2477\Log.txt

Family

masslogger

Ransom Note

<|| v2.1.0.0 ||> 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: 5/24/2022 11:10:05 PM MassLogger Started: 5/24/2022 11:09:57 PM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\40396e0b47a75f9c6c49a7b1b0d4b71b4999c1ffbfc6c4053e7d5606de75169b.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes: <|| WD Exclusion ||> Disabled <|| Binder ||> Disabled <|| USB Spread ||> Disabled <|| Downloader ||> Disabled <|| Bot Killer ||> Disabled <|| Window Searcher ||> 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 ||> Disabled

Extracted

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
[email protected]
Password:
akachukwu123@

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-1-5-21-2277218442-1199762539-2004043321-1000\Control Panel\International\Geo\Nation	40396e0b47a75f9c6c49a7b1b0d4b71b4999c1ffbfc6c4053e7d5606de75169b.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 opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	40396e0b47a75f9c6c49a7b1b0d4b71b4999c1ffbfc6c4053e7d5606de75169b.exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	40396e0b47a75f9c6c49a7b1b0d4b71b4999c1ffbfc6c4053e7d5606de75169b.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	40396e0b47a75f9c6c49a7b1b0d4b71b4999c1ffbfc6c4053e7d5606de75169b.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	40396e0b47a75f9c6c49a7b1b0d4b71b4999c1ffbfc6c4053e7d5606de75169b.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	40396e0b47a75f9c6c49a7b1b0d4b71b4999c1ffbfc6c4053e7d5606de75169b.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	40396e0b47a75f9c6c49a7b1b0d4b71b4999c1ffbfc6c4053e7d5606de75169b.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	40396e0b47a75f9c6c49a7b1b0d4b71b4999c1ffbfc6c4053e7d5606de75169b.exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	40396e0b47a75f9c6c49a7b1b0d4b71b4999c1ffbfc6c4053e7d5606de75169b.exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	40396e0b47a75f9c6c49a7b1b0d4b71b4999c1ffbfc6c4053e7d5606de75169b.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	40396e0b47a75f9c6c49a7b1b0d4b71b4999c1ffbfc6c4053e7d5606de75169b.exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	40396e0b47a75f9c6c49a7b1b0d4b71b4999c1ffbfc6c4053e7d5606de75169b.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	40396e0b47a75f9c6c49a7b1b0d4b71b4999c1ffbfc6c4053e7d5606de75169b.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	40396e0b47a75f9c6c49a7b1b0d4b71b4999c1ffbfc6c4053e7d5606de75169b.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	40396e0b47a75f9c6c49a7b1b0d4b71b4999c1ffbfc6c4053e7d5606de75169b.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	40396e0b47a75f9c6c49a7b1b0d4b71b4999c1ffbfc6c4053e7d5606de75169b.exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	40396e0b47a75f9c6c49a7b1b0d4b71b4999c1ffbfc6c4053e7d5606de75169b.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	40396e0b47a75f9c6c49a7b1b0d4b71b4999c1ffbfc6c4053e7d5606de75169b.exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	40396e0b47a75f9c6c49a7b1b0d4b71b4999c1ffbfc6c4053e7d5606de75169b.exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	40396e0b47a75f9c6c49a7b1b0d4b71b4999c1ffbfc6c4053e7d5606de75169b.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	40396e0b47a75f9c6c49a7b1b0d4b71b4999c1ffbfc6c4053e7d5606de75169b.exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	40396e0b47a75f9c6c49a7b1b0d4b71b4999c1ffbfc6c4053e7d5606de75169b.exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	40396e0b47a75f9c6c49a7b1b0d4b71b4999c1ffbfc6c4053e7d5606de75169b.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	40396e0b47a75f9c6c49a7b1b0d4b71b4999c1ffbfc6c4053e7d5606de75169b.exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	40396e0b47a75f9c6c49a7b1b0d4b71b4999c1ffbfc6c4053e7d5606de75169b.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	40396e0b47a75f9c6c49a7b1b0d4b71b4999c1ffbfc6c4053e7d5606de75169b.exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	40396e0b47a75f9c6c49a7b1b0d4b71b4999c1ffbfc6c4053e7d5606de75169b.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	40396e0b47a75f9c6c49a7b1b0d4b71b4999c1ffbfc6c4053e7d5606de75169b.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	40396e0b47a75f9c6c49a7b1b0d4b71b4999c1ffbfc6c4053e7d5606de75169b.exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	40396e0b47a75f9c6c49a7b1b0d4b71b4999c1ffbfc6c4053e7d5606de75169b.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	40396e0b47a75f9c6c49a7b1b0d4b71b4999c1ffbfc6c4053e7d5606de75169b.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	40396e0b47a75f9c6c49a7b1b0d4b71b4999c1ffbfc6c4053e7d5606de75169b.exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	40396e0b47a75f9c6c49a7b1b0d4b71b4999c1ffbfc6c4053e7d5606de75169b.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	40396e0b47a75f9c6c49a7b1b0d4b71b4999c1ffbfc6c4053e7d5606de75169b.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	40396e0b47a75f9c6c49a7b1b0d4b71b4999c1ffbfc6c4053e7d5606de75169b.exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	40396e0b47a75f9c6c49a7b1b0d4b71b4999c1ffbfc6c4053e7d5606de75169b.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 1528 set thread context of 1720	1528	40396e0b47a75f9c6c49a7b1b0d4b71b4999c1ffbfc6c4053e7d5606de75169b.exe	28

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1720	40396e0b47a75f9c6c49a7b1b0d4b71b4999c1ffbfc6c4053e7d5606de75169b.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1720	40396e0b47a75f9c6c49a7b1b0d4b71b4999c1ffbfc6c4053e7d5606de75169b.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1528 wrote to memory of 1720	1528	40396e0b47a75f9c6c49a7b1b0d4b71b4999c1ffbfc6c4053e7d5606de75169b.exe	28
PID 1528 wrote to memory of 1720	1528	40396e0b47a75f9c6c49a7b1b0d4b71b4999c1ffbfc6c4053e7d5606de75169b.exe	28
PID 1528 wrote to memory of 1720	1528	40396e0b47a75f9c6c49a7b1b0d4b71b4999c1ffbfc6c4053e7d5606de75169b.exe	28
PID 1528 wrote to memory of 1720	1528	40396e0b47a75f9c6c49a7b1b0d4b71b4999c1ffbfc6c4053e7d5606de75169b.exe	28
PID 1528 wrote to memory of 1720	1528	40396e0b47a75f9c6c49a7b1b0d4b71b4999c1ffbfc6c4053e7d5606de75169b.exe	28
PID 1528 wrote to memory of 1720	1528	40396e0b47a75f9c6c49a7b1b0d4b71b4999c1ffbfc6c4053e7d5606de75169b.exe	28
PID 1528 wrote to memory of 1720	1528	40396e0b47a75f9c6c49a7b1b0d4b71b4999c1ffbfc6c4053e7d5606de75169b.exe	28
PID 1528 wrote to memory of 1720	1528	40396e0b47a75f9c6c49a7b1b0d4b71b4999c1ffbfc6c4053e7d5606de75169b.exe	28
PID 1528 wrote to memory of 1720	1528	40396e0b47a75f9c6c49a7b1b0d4b71b4999c1ffbfc6c4053e7d5606de75169b.exe	28

outlook_office_path 1 IoCs

description	ioc	Process
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	40396e0b47a75f9c6c49a7b1b0d4b71b4999c1ffbfc6c4053e7d5606de75169b.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	40396e0b47a75f9c6c49a7b1b0d4b71b4999c1ffbfc6c4053e7d5606de75169b.exe

C:\Users\Admin\AppData\Local\Temp\40396e0b47a75f9c6c49a7b1b0d4b71b4999c1ffbfc6c4053e7d5606de75169b.exe
"C:\Users\Admin\AppData\Local\Temp\40396e0b47a75f9c6c49a7b1b0d4b71b4999c1ffbfc6c4053e7d5606de75169b.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1528
- C:\Users\Admin\AppData\Local\Temp\40396e0b47a75f9c6c49a7b1b0d4b71b4999c1ffbfc6c4053e7d5606de75169b.exe
  "C:\Users\Admin\AppData\Local\Temp\40396e0b47a75f9c6c49a7b1b0d4b71b4999c1ffbfc6c4053e7d5606de75169b.exe"
  2⤵
  - Checks computer location settings
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1720

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/1528-54-0x0000000001320000-0x00000000013CE000-memory.dmp

Filesize
696KB

Download
memory/1528-55-0x0000000075C51000-0x0000000075C53000-memory.dmp

Filesize
8KB

Download
memory/1528-56-0x00000000002A0000-0x00000000002A8000-memory.dmp

Filesize
32KB

Download
memory/1528-57-0x0000000005810000-0x00000000058B2000-memory.dmp

Filesize
648KB

Download
memory/1720-58-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/1720-61-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/1720-62-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/1720-63-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/1720-68-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/1720-66-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/1720-59-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/1720-69-0x00000000008A0000-0x00000000008E4000-memory.dmp

Filesize
272KB

Download
memory/1720-71-0x0000000000ED5000-0x0000000000EE6000-memory.dmp

Filesize
68KB

Download
memory/1720-72-0x00000000008F0000-0x0000000000904000-memory.dmp

Filesize
80KB

Download