masslogger | e64ab6d5c019e0cc79bc6b60cd868df87e41b5a7a75085da70de3c1d2fda7e41

General

Target

PO NOAB1088-2020.pdf.exe
Size

972KB
MD5

e5b79d5699c82c22ac989a739754340d
SHA1

9bd3a38876deb614620f8a9b71e7264d9fd00380
SHA256

a2d04087127197f6a4ae49039fbc2c2dc750ee0fe2d71965a7c675d556d362d3
SHA512

b5216d9b15fc32f937da9438f4fc621327a5ee1eb0481e798b2ae328f090c1c3f9cf1e066f00342c010c0f39d2e75a137bcda2cd6912664fcb7973495bca0f39

Score

10^/10

masslogger collection ransomware spyware stealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\79FE0CC911\Log.txt

Family

masslogger

Ransom Note

<|| v2.1.0.0 ||> User Name: Admin IP: 154.61.71.51 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 11:49:45 PM MassLogger Started: 5/24/2022 11:49:34 PM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\PO NOAB1088-2020.pdf.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

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:

PO NOAB1088-2020.pdf.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Control Panel\International\Geo\Nation	PO NOAB1088-2020.pdf.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:

PO NOAB1088-2020.pdf.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	PO NOAB1088-2020.pdf.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO NOAB1088-2020.pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO NOAB1088-2020.pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO NOAB1088-2020.pdf.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	PO NOAB1088-2020.pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO NOAB1088-2020.pdf.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO NOAB1088-2020.pdf.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO NOAB1088-2020.pdf.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	PO NOAB1088-2020.pdf.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	PO NOAB1088-2020.pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO NOAB1088-2020.pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO NOAB1088-2020.pdf.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	PO NOAB1088-2020.pdf.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	PO NOAB1088-2020.pdf.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO NOAB1088-2020.pdf.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO NOAB1088-2020.pdf.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	PO NOAB1088-2020.pdf.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO NOAB1088-2020.pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO NOAB1088-2020.pdf.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO NOAB1088-2020.pdf.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO NOAB1088-2020.pdf.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	PO NOAB1088-2020.pdf.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	PO NOAB1088-2020.pdf.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO NOAB1088-2020.pdf.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO NOAB1088-2020.pdf.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	PO NOAB1088-2020.pdf.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO NOAB1088-2020.pdf.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	PO NOAB1088-2020.pdf.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO NOAB1088-2020.pdf.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	PO NOAB1088-2020.pdf.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO NOAB1088-2020.pdf.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	PO NOAB1088-2020.pdf.exe
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	PO NOAB1088-2020.pdf.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO NOAB1088-2020.pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO NOAB1088-2020.pdf.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:

PO NOAB1088-2020.pdf.exe

description pid process target process

PID 548 set thread context of 1308 548 PO NOAB1088-2020.pdf.exe PO NOAB1088-2020.pdf.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

1464 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

PO NOAB1088-2020.pdf.exePO NOAB1088-2020.pdf.exe

pid process

548 PO NOAB1088-2020.pdf.exe
1308 PO NOAB1088-2020.pdf.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

PO NOAB1088-2020.pdf.exePO NOAB1088-2020.pdf.exe

description pid process

Token: SeDebugPrivilege 548 PO NOAB1088-2020.pdf.exe
Token: SeDebugPrivilege 1308 PO NOAB1088-2020.pdf.exe

flow	ioc
4	api.ipify.org

description	pid	process	target process
PID 548 set thread context of 1308	548	PO NOAB1088-2020.pdf.exe	PO NOAB1088-2020.pdf.exe

pid	process
1464	schtasks.exe

pid	process
548	PO NOAB1088-2020.pdf.exe
1308	PO NOAB1088-2020.pdf.exe

description	pid	process
Token: SeDebugPrivilege	548	PO NOAB1088-2020.pdf.exe
Token: SeDebugPrivilege	1308	PO NOAB1088-2020.pdf.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

PO NOAB1088-2020.pdf.exe

description	pid	process	target process
PID 548 wrote to memory of 1464	548	PO NOAB1088-2020.pdf.exe	schtasks.exe
PID 548 wrote to memory of 1464	548	PO NOAB1088-2020.pdf.exe	schtasks.exe
PID 548 wrote to memory of 1464	548	PO NOAB1088-2020.pdf.exe	schtasks.exe
PID 548 wrote to memory of 1464	548	PO NOAB1088-2020.pdf.exe	schtasks.exe
PID 548 wrote to memory of 1308	548	PO NOAB1088-2020.pdf.exe	PO NOAB1088-2020.pdf.exe
PID 548 wrote to memory of 1308	548	PO NOAB1088-2020.pdf.exe	PO NOAB1088-2020.pdf.exe
PID 548 wrote to memory of 1308	548	PO NOAB1088-2020.pdf.exe	PO NOAB1088-2020.pdf.exe
PID 548 wrote to memory of 1308	548	PO NOAB1088-2020.pdf.exe	PO NOAB1088-2020.pdf.exe
PID 548 wrote to memory of 1308	548	PO NOAB1088-2020.pdf.exe	PO NOAB1088-2020.pdf.exe
PID 548 wrote to memory of 1308	548	PO NOAB1088-2020.pdf.exe	PO NOAB1088-2020.pdf.exe
PID 548 wrote to memory of 1308	548	PO NOAB1088-2020.pdf.exe	PO NOAB1088-2020.pdf.exe
PID 548 wrote to memory of 1308	548	PO NOAB1088-2020.pdf.exe	PO NOAB1088-2020.pdf.exe
PID 548 wrote to memory of 1308	548	PO NOAB1088-2020.pdf.exe	PO NOAB1088-2020.pdf.exe

outlook_office_path 1 IoCs

Processes:

PO NOAB1088-2020.pdf.exe

description	ioc	process
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO NOAB1088-2020.pdf.exe

outlook_win_path 1 IoCs

Processes:

PO NOAB1088-2020.pdf.exe

description	ioc	process
Key queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO NOAB1088-2020.pdf.exe

C:\Users\Admin\AppData\Local\Temp\PO NOAB1088-2020.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\PO NOAB1088-2020.pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:548

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LaIrfdsCZdCIJp" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB2EC.tmp"
2⤵
- Creates scheduled task(s)
PID:1464

C:\Users\Admin\AppData\Local\Temp\PO NOAB1088-2020.pdf.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:1308

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmpB2EC.tmp
Filesize
1KB

MD5
4da03f6a3e4de32c45014f2d4d9a3f1f

SHA1
74a6d783d1cb522dca8801f4f9c9a546e722de64

SHA256
6088638a3b363608121c8f34e9ca7601899cbc23eb79a312de705cbe1cf4c193

SHA512
23a298ad12f31525f96c1da5399f41fe1ca30ea0fb5b7b19b6ea442d6a3e906a4c2a86a96fc6cfb0305e0e8ac31e06b27737eb90e0d1819c86491f4916a40c90

Download Submit
memory/548-55-0x00000000004C0000-0x00000000004C8000-memory.dmp

Filesize
32KB

Download
memory/548-56-0x0000000000EB0000-0x0000000000F50000-memory.dmp

Filesize
640KB

Download
memory/548-54-0x0000000000FE0000-0x00000000010DA000-memory.dmp

Filesize
1000KB

Download
memory/1308-63-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/1308-59-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/1308-60-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/1308-62-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/1308-64-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/1308-65-0x000000000049419E-mapping.dmp

Download
memory/1308-67-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/1308-69-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/1308-70-0x0000000000B20000-0x0000000000B64000-memory.dmp

Filesize
272KB

Download
memory/1308-71-0x0000000076181000-0x0000000076183000-memory.dmp

Filesize
8KB

Download
memory/1308-72-0x00000000009D5000-0x00000000009E6000-memory.dmp

Filesize
68KB

Download
memory/1308-73-0x0000000000BB0000-0x0000000000BC4000-memory.dmp

Filesize
80KB

Download
memory/1464-57-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads