masslogger | d091122abc815babad7afcc10be0fb5143f61018e1c1ff8a55a4232ac27a80d4

General

Target

PO-NA0U909098899900.exe
Size

1.1MB
MD5

e66cf867f482d2e6b3ae457fe86bf21d
SHA1

b6f9f39d6ac99a4a88e1b2ba9a9de95bb917ec7a
SHA256

5467d4952a438b7025b7e6661bbc5755b94db5553e4534d2924dd60a9051efba
SHA512

60d110569632970661e226c871e0df2f67853238a580b2f74d5954b0650103ccceb568326ef277686870f970265a7a0f79837ab8b0ba83c68e50f1f9fc11b20f

Score

10^/10

masslogger collection ransomware spyware stealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\8236ADF044\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 10 Pro 64bit Windows Serial Key: W269N-WFGWX-YVC9B-4J6C9-T83GX CPU: Intel Core Processor (Broadwell) GPU: Microsoft Basic Display Adapter AV: NA Screen Resolution: 1280x720 Current Time: 5/25/2022 1:51:48 AM MassLogger Started: 5/25/2022 1:50:46 AM Interval: 96 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\PO-NA0U909098899900.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 ||> Disabled

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 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

PO-NA0U909098899900.exePO-NA0U909098899900.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation	PO-NA0U909098899900.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation	PO-NA0U909098899900.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 42 IoCs

collection

Email Collection

T1114

Processes:

PO-NA0U909098899900.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO-NA0U909098899900.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\18.0\Outlook\Profiles\Outlook	PO-NA0U909098899900.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO-NA0U909098899900.exe
Key queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\18.0\Outlook\Profiles\Outlook	PO-NA0U909098899900.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO-NA0U909098899900.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO-NA0U909098899900.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO-NA0U909098899900.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO-NA0U909098899900.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO-NA0U909098899900.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\17.0\Outlook\Profiles\Outlook	PO-NA0U909098899900.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	PO-NA0U909098899900.exe
Key queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO-NA0U909098899900.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO-NA0U909098899900.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO-NA0U909098899900.exe
Key queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO-NA0U909098899900.exe
Key queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO-NA0U909098899900.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO-NA0U909098899900.exe
Key queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\19.0\Outlook\Profiles\Outlook	PO-NA0U909098899900.exe
Key queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO-NA0U909098899900.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO-NA0U909098899900.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook	PO-NA0U909098899900.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook	PO-NA0U909098899900.exe
Key queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook	PO-NA0U909098899900.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO-NA0U909098899900.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\19.0\Outlook\Profiles\Outlook	PO-NA0U909098899900.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO-NA0U909098899900.exe
Key queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\17.0\Outlook\Profiles\Outlook	PO-NA0U909098899900.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO-NA0U909098899900.exe
Key queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook	PO-NA0U909098899900.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO-NA0U909098899900.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO-NA0U909098899900.exe
Key queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO-NA0U909098899900.exe
Key queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO-NA0U909098899900.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO-NA0U909098899900.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO-NA0U909098899900.exe
Key queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO-NA0U909098899900.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook	PO-NA0U909098899900.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO-NA0U909098899900.exe
Key queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook	PO-NA0U909098899900.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO-NA0U909098899900.exe
Key queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	PO-NA0U909098899900.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO-NA0U909098899900.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

41 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

PO-NA0U909098899900.exe

description pid process target process

PID 3540 set thread context of 4916 3540 PO-NA0U909098899900.exe PO-NA0U909098899900.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

4268 schtasks.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

PO-NA0U909098899900.exe

pid process

4916 PO-NA0U909098899900.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

PO-NA0U909098899900.exePO-NA0U909098899900.exe

description pid process

Token: SeDebugPrivilege 3540 PO-NA0U909098899900.exe
Token: SeDebugPrivilege 4916 PO-NA0U909098899900.exe

flow	ioc
41	api.ipify.org

description	pid	process	target process
PID 3540 set thread context of 4916	3540	PO-NA0U909098899900.exe	PO-NA0U909098899900.exe

pid	process
4268	schtasks.exe

pid	process
4916	PO-NA0U909098899900.exe

description	pid	process
Token: SeDebugPrivilege	3540	PO-NA0U909098899900.exe
Token: SeDebugPrivilege	4916	PO-NA0U909098899900.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

PO-NA0U909098899900.exe

description	pid	process	target process
PID 3540 wrote to memory of 4268	3540	PO-NA0U909098899900.exe	schtasks.exe
PID 3540 wrote to memory of 4268	3540	PO-NA0U909098899900.exe	schtasks.exe
PID 3540 wrote to memory of 4268	3540	PO-NA0U909098899900.exe	schtasks.exe
PID 3540 wrote to memory of 4916	3540	PO-NA0U909098899900.exe	PO-NA0U909098899900.exe
PID 3540 wrote to memory of 4916	3540	PO-NA0U909098899900.exe	PO-NA0U909098899900.exe
PID 3540 wrote to memory of 4916	3540	PO-NA0U909098899900.exe	PO-NA0U909098899900.exe
PID 3540 wrote to memory of 4916	3540	PO-NA0U909098899900.exe	PO-NA0U909098899900.exe
PID 3540 wrote to memory of 4916	3540	PO-NA0U909098899900.exe	PO-NA0U909098899900.exe
PID 3540 wrote to memory of 4916	3540	PO-NA0U909098899900.exe	PO-NA0U909098899900.exe
PID 3540 wrote to memory of 4916	3540	PO-NA0U909098899900.exe	PO-NA0U909098899900.exe
PID 3540 wrote to memory of 4916	3540	PO-NA0U909098899900.exe	PO-NA0U909098899900.exe

outlook_office_path 1 IoCs

Processes:

PO-NA0U909098899900.exe

description	ioc	process
Key queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO-NA0U909098899900.exe

outlook_win_path 1 IoCs

Processes:

PO-NA0U909098899900.exe

description	ioc	process
Key queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO-NA0U909098899900.exe

C:\Users\Admin\AppData\Local\Temp\PO-NA0U909098899900.exe
"C:\Users\Admin\AppData\Local\Temp\PO-NA0U909098899900.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3540

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\sTnSVVcfDErzA" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2858.tmp"
2⤵
- Creates scheduled task(s)
PID:4268

C:\Users\Admin\AppData\Local\Temp\PO-NA0U909098899900.exe
"{path}"
2⤵
- Checks computer location settings
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4916

Network

MITRE ATT&CK Matrix ATT&CK 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

1

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PO-NA0U909098899900.exe.log
Filesize
507B

MD5
76ffb2f33cb32ade8fc862a67599e9d8

SHA1
920cc4ab75b36d2f9f6e979b74db568973c49130

SHA256
f1a3724670e3379318ec9c73f6f39058cab0ab013ba3cd90c047c3d701362310

SHA512
f33502c2e1bb30c05359bfc6819ca934642a1e01874e3060349127d792694d56ad22fccd6c9477b8ee50d66db35785779324273f509576b48b7f85577e001b4e

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp2858.tmp
Filesize
1KB

MD5
745b56605dca6527a4310248d3e47bf8

SHA1
6153cf4cbdedf77ef2a67ed4e5cef068954e40a3

SHA256
b5f6877fe8387b0cfaabe87363548fef308eea979299d94526314cd6757e84f4

SHA512
66fc763a568b0f15019e8cc3f4f1ca10fa5fbf35155e17448f618ad77a624d4bde96909c1561c20ec62df07b77e36cd06dc21c46ed27428aaf710eb8f88fd0c5

Download Submit
memory/3540-130-0x00000000000C0000-0x00000000001DC000-memory.dmp

Filesize
1.1MB

Download
memory/3540-131-0x0000000005020000-0x00000000055C4000-memory.dmp

Filesize
5.6MB

Download
memory/3540-132-0x0000000004B70000-0x0000000004C02000-memory.dmp

Filesize
584KB

Download
memory/3540-133-0x0000000004CB0000-0x0000000004D4C000-memory.dmp

Filesize
624KB

Download
memory/4268-134-0x0000000000000000-mapping.dmp

Download
memory/4916-136-0x0000000000000000-mapping.dmp

Download
memory/4916-137-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/4916-139-0x00000000052E0000-0x0000000005346000-memory.dmp

Filesize
408KB

Download
memory/4916-140-0x0000000006CC0000-0x0000000006CCA000-memory.dmp

Filesize
40KB

Download
memory/4916-141-0x0000000006D50000-0x0000000006DA0000-memory.dmp

Filesize
320KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads