masslogger | bbb3ff0f38c45e00b380e5fc4d23cde33b320c2d344d432961e6c347be7d2ab6

General

Target

109342PD.exe
Size

1.1MB
MD5

66ad6b602a36f163038c36bfe84a9c03
SHA1

41979395b83bb55684156b06e91f999c34c8d653
SHA256

f8b4f7113aa0d1a2c45da336f44aa6f3aac6ccceb9e1251842fdc086b1f33eef
SHA512

fbeaea03f436439648e474b1f6b387f7d0b46bbc12a59a47cfa47bf4472829ddc8368ecf8b9a170e46bd4637003e5ab77e1d4c29269caf5a7d838c5294f828ed

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 2:01:24 AM MassLogger Started: 5/21/2022 2:01:12 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\109342PD.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes: <|| WD Exclusion ||> Disabled <|| Binder ||> Disabled <|| USB Spread ||> 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

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:

109342PD.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Control Panel\International\Geo\Nation	109342PD.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:

109342PD.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	109342PD.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	109342PD.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	109342PD.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	109342PD.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	109342PD.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	109342PD.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	109342PD.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	109342PD.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	109342PD.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	109342PD.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	109342PD.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	109342PD.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	109342PD.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	109342PD.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	109342PD.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	109342PD.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	109342PD.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	109342PD.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	109342PD.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	109342PD.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	109342PD.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	109342PD.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	109342PD.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	109342PD.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	109342PD.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	109342PD.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	109342PD.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	109342PD.exe
Key queried	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	109342PD.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	109342PD.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	109342PD.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	109342PD.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	109342PD.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	109342PD.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	109342PD.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:

109342PD.exe

description pid process target process

PID 1944 set thread context of 776 1944 109342PD.exe 109342PD.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

1720 schtasks.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

109342PD.exe

pid process

776 109342PD.exe
Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

109342PD.exe109342PD.exe

pid process

1944 109342PD.exe
1944 109342PD.exe
1944 109342PD.exe
1944 109342PD.exe
1944 109342PD.exe
776 109342PD.exe
776 109342PD.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

109342PD.exe109342PD.exe

description pid process

Token: SeDebugPrivilege 1944 109342PD.exe
Token: SeDebugPrivilege 776 109342PD.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

109342PD.exe

pid process

776 109342PD.exe

flow	ioc
4	api.ipify.org

description	pid	process	target process
PID 1944 set thread context of 776	1944	109342PD.exe	109342PD.exe

pid	process
1720	schtasks.exe

pid	process
776	109342PD.exe

pid	process
1944	109342PD.exe
1944	109342PD.exe
1944	109342PD.exe
1944	109342PD.exe
1944	109342PD.exe
776	109342PD.exe
776	109342PD.exe

description	pid	process
Token: SeDebugPrivilege	1944	109342PD.exe
Token: SeDebugPrivilege	776	109342PD.exe

pid	process
776	109342PD.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

109342PD.exe

description	pid	process	target process
PID 1944 wrote to memory of 1720	1944	109342PD.exe	schtasks.exe
PID 1944 wrote to memory of 1720	1944	109342PD.exe	schtasks.exe
PID 1944 wrote to memory of 1720	1944	109342PD.exe	schtasks.exe
PID 1944 wrote to memory of 1720	1944	109342PD.exe	schtasks.exe
PID 1944 wrote to memory of 776	1944	109342PD.exe	109342PD.exe
PID 1944 wrote to memory of 776	1944	109342PD.exe	109342PD.exe
PID 1944 wrote to memory of 776	1944	109342PD.exe	109342PD.exe
PID 1944 wrote to memory of 776	1944	109342PD.exe	109342PD.exe
PID 1944 wrote to memory of 776	1944	109342PD.exe	109342PD.exe
PID 1944 wrote to memory of 776	1944	109342PD.exe	109342PD.exe
PID 1944 wrote to memory of 776	1944	109342PD.exe	109342PD.exe
PID 1944 wrote to memory of 776	1944	109342PD.exe	109342PD.exe
PID 1944 wrote to memory of 776	1944	109342PD.exe	109342PD.exe

outlook_office_path 1 IoCs

Processes:

109342PD.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	109342PD.exe

outlook_win_path 1 IoCs

Processes:

109342PD.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	109342PD.exe

C:\Users\Admin\AppData\Local\Temp\109342PD.exe
"C:\Users\Admin\AppData\Local\Temp\109342PD.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1944

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\&startupname&" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7DC8.tmp"
2⤵
- Creates scheduled task(s)
PID:1720

C:\Users\Admin\AppData\Local\Temp\109342PD.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:776

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\tmp7DC8.tmp

Filesize
1KB

MD5
dc436ff5b60ef8168376c73a193ed25c

SHA1
0943c8a1a0851b7b79d31fadb488cce2e0444638

SHA256
949ee6cece73e1304479fc963d79d2fd8e6410f451c1ce0ae6fd6e1b40b70705

SHA512
1f66711762ef86444a1e4edd5e3105b2ca5e83ec72bc6c2e04c7b5a9de1f50df3a6a85c75fc54003e4ebb0c9d8061455a6ef2e544726536592fb32dbf99736bd

Download Submit
memory/776-68-0x0000000000400000-0x00000000004C4000-memory.dmp

Filesize
784KB

Download
memory/776-71-0x00000000007D0000-0x0000000000848000-memory.dmp

Filesize
480KB

Download
memory/776-63-0x0000000000400000-0x00000000004C4000-memory.dmp

Filesize
784KB

Download
memory/776-74-0x00000000021D0000-0x00000000021E4000-memory.dmp

Filesize
80KB

Download
memory/776-64-0x0000000000400000-0x00000000004C4000-memory.dmp

Filesize
784KB

Download
memory/776-60-0x0000000000400000-0x00000000004C4000-memory.dmp

Filesize
784KB

Download
memory/776-61-0x0000000000400000-0x00000000004C4000-memory.dmp

Filesize
784KB

Download
memory/776-66-0x00000000004BF2EE-mapping.dmp

Download
memory/776-73-0x0000000004F15000-0x0000000004F26000-memory.dmp

Filesize
68KB

Download
memory/776-72-0x0000000075DE1000-0x0000000075DE3000-memory.dmp

Filesize
8KB

Download
memory/776-65-0x0000000000400000-0x00000000004C4000-memory.dmp

Filesize
784KB

Download
memory/776-70-0x0000000000400000-0x00000000004C4000-memory.dmp

Filesize
784KB

Download
memory/1720-58-0x0000000000000000-mapping.dmp

Download
memory/1944-54-0x00000000002D0000-0x00000000003FC000-memory.dmp

Filesize
1.2MB

Download
memory/1944-56-0x0000000007B80000-0x0000000007C4C000-memory.dmp

Filesize
816KB

Download
memory/1944-55-0x0000000000410000-0x0000000000418000-memory.dmp

Filesize
32KB

Download
memory/1944-57-0x0000000007EF0000-0x0000000007FBE000-memory.dmp

Filesize
824KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads