masslogger | f3cceaade073909138c4e002218ba66cd00afc7d6077ed44a632f7d98a7ac2ad

General

Target

GES39704.exe
Size

870KB
MD5

20de432edecefc7e81f054c8c2fffaa1
SHA1

536e7082c205a38c354542ff250eb3c9f710fc2a
SHA256

50200ba284438dc29acae05938fb71be0163ab59fed9b73c177f4e9928317605
SHA512

24daf29a6d74c8c4dfe642c8e4d921f8857171a48db69a1b5ca638aa23f78c0711cf91649b70f15c7fbe13e205826efca3cb22334cbf495acbd1f441ee3b5e87

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 4:47:51 AM MassLogger Started: 5/21/2022 4:47:39 AM Interval: 1 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\GES39704.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes: <|| WD Exclusion ||> Disabled <|| Binder ||> Disabled <|| Downloader ||> 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

Extracted

Credentials

Protocol: smtp
Host:
smtp.ionos.de
Port:
587
Username:
[email protected]
Password:
arypnb89

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:

GES39704.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Control Panel\International\Geo\Nation	GES39704.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:

GES39704.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	GES39704.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	GES39704.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	GES39704.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	GES39704.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	GES39704.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	GES39704.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	GES39704.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	GES39704.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	GES39704.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	GES39704.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	GES39704.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	GES39704.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	GES39704.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	GES39704.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	GES39704.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	GES39704.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	GES39704.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	GES39704.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	GES39704.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	GES39704.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	GES39704.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	GES39704.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	GES39704.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	GES39704.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	GES39704.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	GES39704.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	GES39704.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	GES39704.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	GES39704.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	GES39704.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	GES39704.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	GES39704.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	GES39704.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	GES39704.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	GES39704.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:

GES39704.exe

description pid process target process

PID 1960 set thread context of 896 1960 GES39704.exe GES39704.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

1736 schtasks.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

GES39704.exe

pid process

896 GES39704.exe
Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

GES39704.exeGES39704.exe

pid process

1960 GES39704.exe
1960 GES39704.exe
1960 GES39704.exe
896 GES39704.exe
896 GES39704.exe
896 GES39704.exe
896 GES39704.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

GES39704.exeGES39704.exe

description pid process

Token: SeDebugPrivilege 1960 GES39704.exe
Token: SeDebugPrivilege 896 GES39704.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

GES39704.exe

pid process

896 GES39704.exe

flow	ioc
4	api.ipify.org

description	pid	process	target process
PID 1960 set thread context of 896	1960	GES39704.exe	GES39704.exe

pid	process
1736	schtasks.exe

pid	process
896	GES39704.exe

pid	process
1960	GES39704.exe
1960	GES39704.exe
1960	GES39704.exe
896	GES39704.exe
896	GES39704.exe
896	GES39704.exe
896	GES39704.exe

description	pid	process
Token: SeDebugPrivilege	1960	GES39704.exe
Token: SeDebugPrivilege	896	GES39704.exe

pid	process
896	GES39704.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

GES39704.exe

description	pid	process	target process
PID 1960 wrote to memory of 1736	1960	GES39704.exe	schtasks.exe
PID 1960 wrote to memory of 1736	1960	GES39704.exe	schtasks.exe
PID 1960 wrote to memory of 1736	1960	GES39704.exe	schtasks.exe
PID 1960 wrote to memory of 1736	1960	GES39704.exe	schtasks.exe
PID 1960 wrote to memory of 896	1960	GES39704.exe	GES39704.exe
PID 1960 wrote to memory of 896	1960	GES39704.exe	GES39704.exe
PID 1960 wrote to memory of 896	1960	GES39704.exe	GES39704.exe
PID 1960 wrote to memory of 896	1960	GES39704.exe	GES39704.exe
PID 1960 wrote to memory of 896	1960	GES39704.exe	GES39704.exe
PID 1960 wrote to memory of 896	1960	GES39704.exe	GES39704.exe
PID 1960 wrote to memory of 896	1960	GES39704.exe	GES39704.exe
PID 1960 wrote to memory of 896	1960	GES39704.exe	GES39704.exe
PID 1960 wrote to memory of 896	1960	GES39704.exe	GES39704.exe

outlook_office_path 1 IoCs

Processes:

GES39704.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	GES39704.exe

outlook_win_path 1 IoCs

Processes:

GES39704.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	GES39704.exe

C:\Users\Admin\AppData\Local\Temp\GES39704.exe
"C:\Users\Admin\AppData\Local\Temp\GES39704.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1960
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\hRXQymoFjGekl" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1575.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1736
- C:\Users\Admin\AppData\Local\Temp\GES39704.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:896

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\tmp1575.tmp

Filesize
1KB

MD5
fd0da90b2d459fff83a44d490f986376

SHA1
55763d7b7e26f5208fd46582dd26e62221063bf2

SHA256
fcf47def24f4df8c201b8d4628d1cee6ffa713f675eff8135547df1f7082ce7b

SHA512
aba3fae45367743613b51eb63d8be73133ce08339ea74f3d0b1ec35069876eb867b0d9d4439cd75cb3b3d7398f4dec721617874a53a994a9814526d907ad6999

Download Submit
memory/896-67-0x00000000004B32EE-mapping.dmp

Download
memory/896-61-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/896-74-0x0000000000F85000-0x0000000000F96000-memory.dmp

Filesize
68KB

Download
memory/896-72-0x0000000000CF0000-0x0000000000D68000-memory.dmp

Filesize
480KB

Download
memory/896-64-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/896-71-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/896-69-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/896-62-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/896-66-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/896-65-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/1736-59-0x0000000000000000-mapping.dmp

Download
memory/1960-54-0x00000000012D0000-0x00000000013B0000-memory.dmp

Filesize
896KB

Download
memory/1960-56-0x0000000000310000-0x0000000000320000-memory.dmp

Filesize
64KB

Download
memory/1960-55-0x00000000759F1000-0x00000000759F3000-memory.dmp

Filesize
8KB

Download
memory/1960-58-0x0000000005A80000-0x0000000005B38000-memory.dmp

Filesize
736KB

Download
memory/1960-57-0x00000000057E0000-0x000000000588E000-memory.dmp

Filesize
696KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads