masslogger | d689a361064790952175d8e479af5bccfe980c8a6875c4ed1114eb97366f9644

General

Target

Revised Invoice Climax .exe
Size

850KB
MD5

a8ed22767227400f4fb7bf2a19b2baea
SHA1

1621e5246a62157f1ce424c0009e5e4c8bf367d2
SHA256

9438029220db8ca0eceabb6d576917ebce7b30db2eb9ca8e52a85b089c040a9b
SHA512

2e0e5aa6a01f2e04d0ea1938ed5313c4c400a24944f006e8aaa5f90b41cc80499de0aaa1329ca1eaddbc11f413fc0d3e0da8c52a99736c017ae48ba86dad1fac

Score

10^/10

masslogger collection ransomware spyware stealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\0F48153F20\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 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: 5/20/2022 11:52:12 PM MassLogger Started: 5/20/2022 11:52:09 PM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\Revised Invoice Climax .exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes: <|| WD Exclusion ||> Disabled <|| Binder ||> Disabled <|| Downloader ||> Disabled <|| USB Spread ||> 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

Extracted

Credentials

Protocol: smtp
Host:
mail.privateemail.com
Port:
587
Username:
[email protected]
Password:
71c7eb1f8baa88

Signatures

MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
stealer spyware masslogger

MassLogger Main Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2784-138-0x0000000000400000-0x000000000049A000-memory.dmp	family_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:

Revised Invoice Climax .exeRevised Invoice Climax .exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation	Revised Invoice Climax .exe
Key value queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation	Revised Invoice Climax .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:

Revised Invoice Climax .exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Revised Invoice Climax .exe
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Revised Invoice Climax .exe
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Revised Invoice Climax .exe
Key queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook	Revised Invoice Climax .exe
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Revised Invoice Climax .exe
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook	Revised Invoice Climax .exe
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Revised Invoice Climax .exe
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Revised Invoice Climax .exe
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Revised Invoice Climax .exe
Key queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\19.0\Outlook\Profiles\Outlook	Revised Invoice Climax .exe
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Revised Invoice Climax .exe
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook	Revised Invoice Climax .exe
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Revised Invoice Climax .exe
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Revised Invoice Climax .exe
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Revised Invoice Climax .exe
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\18.0\Outlook\Profiles\Outlook	Revised Invoice Climax .exe
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook	Revised Invoice Climax .exe
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	Revised Invoice Climax .exe
Key queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	Revised Invoice Climax .exe
Key queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook	Revised Invoice Climax .exe
Key queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Revised Invoice Climax .exe
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Revised Invoice Climax .exe
Key queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\17.0\Outlook\Profiles\Outlook	Revised Invoice Climax .exe
Key queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Revised Invoice Climax .exe
Key queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook	Revised Invoice Climax .exe
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Revised Invoice Climax .exe
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Revised Invoice Climax .exe
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Revised Invoice Climax .exe
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Revised Invoice Climax .exe
Key queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Revised Invoice Climax .exe
Key queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Revised Invoice Climax .exe
Key queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Revised Invoice Climax .exe
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\17.0\Outlook\Profiles\Outlook	Revised Invoice Climax .exe
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Revised Invoice Climax .exe
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Revised Invoice Climax .exe
Key queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Revised Invoice Climax .exe
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Revised Invoice Climax .exe
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\19.0\Outlook\Profiles\Outlook	Revised Invoice Climax .exe
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Revised Invoice Climax .exe
Key queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\18.0\Outlook\Profiles\Outlook	Revised Invoice Climax .exe
Key queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Revised Invoice Climax .exe
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Revised Invoice Climax .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

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

Processes:

Revised Invoice Climax .exe

description pid process target process

PID 2128 set thread context of 2784 2128 Revised Invoice Climax .exe Revised Invoice Climax .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

5100 schtasks.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

Revised Invoice Climax .exeRevised Invoice Climax .exe

pid process

2128 Revised Invoice Climax .exe
2128 Revised Invoice Climax .exe
2128 Revised Invoice Climax .exe
2784 Revised Invoice Climax .exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Revised Invoice Climax .exeRevised Invoice Climax .exe

description pid process

Token: SeDebugPrivilege 2128 Revised Invoice Climax .exe
Token: SeDebugPrivilege 2784 Revised Invoice Climax .exe

flow	ioc
38	api.ipify.org

description	pid	process	target process
PID 2128 set thread context of 2784	2128	Revised Invoice Climax .exe	Revised Invoice Climax .exe

pid	process
5100	schtasks.exe

pid	process
2128	Revised Invoice Climax .exe
2128	Revised Invoice Climax .exe
2128	Revised Invoice Climax .exe
2784	Revised Invoice Climax .exe

description	pid	process
Token: SeDebugPrivilege	2128	Revised Invoice Climax .exe
Token: SeDebugPrivilege	2784	Revised Invoice Climax .exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

Revised Invoice Climax .exe

description	pid	process	target process
PID 2128 wrote to memory of 5100	2128	Revised Invoice Climax .exe	schtasks.exe
PID 2128 wrote to memory of 5100	2128	Revised Invoice Climax .exe	schtasks.exe
PID 2128 wrote to memory of 5100	2128	Revised Invoice Climax .exe	schtasks.exe
PID 2128 wrote to memory of 2784	2128	Revised Invoice Climax .exe	Revised Invoice Climax .exe
PID 2128 wrote to memory of 2784	2128	Revised Invoice Climax .exe	Revised Invoice Climax .exe
PID 2128 wrote to memory of 2784	2128	Revised Invoice Climax .exe	Revised Invoice Climax .exe
PID 2128 wrote to memory of 2784	2128	Revised Invoice Climax .exe	Revised Invoice Climax .exe
PID 2128 wrote to memory of 2784	2128	Revised Invoice Climax .exe	Revised Invoice Climax .exe
PID 2128 wrote to memory of 2784	2128	Revised Invoice Climax .exe	Revised Invoice Climax .exe
PID 2128 wrote to memory of 2784	2128	Revised Invoice Climax .exe	Revised Invoice Climax .exe
PID 2128 wrote to memory of 2784	2128	Revised Invoice Climax .exe	Revised Invoice Climax .exe

outlook_office_path 1 IoCs

Processes:

Revised Invoice Climax .exe

description	ioc	process
Key queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Revised Invoice Climax .exe

outlook_win_path 1 IoCs

Processes:

Revised Invoice Climax .exe

description	ioc	process
Key queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Revised Invoice Climax .exe

C:\Users\Admin\AppData\Local\Temp\Revised Invoice Climax .exe
"C:\Users\Admin\AppData\Local\Temp\Revised Invoice Climax .exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2128

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\tCflRSuleTAda" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCFE3.tmp"
2⤵
- Creates scheduled task(s)
PID:5100

C:\Users\Admin\AppData\Local\Temp\Revised Invoice Climax .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:2784

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\Microsoft\CLR_v4.0_32\UsageLogs\Revised Invoice Climax .exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpCFE3.tmp

Filesize
1KB

MD5
93d1a2c5ee0f83e9ff51bacb242b1680

SHA1
7601b2fd1ef02672abffe7fc3409ab60bbfd141a

SHA256
207eff97e9dd53db67a68327c654a4ab553772189449dec770c8c155cb81dc3a

SHA512
0ddc4ff331ba967d9b8eaf5e4a8862c841bfe96819937929fb02e3d3564d138573faa9bef77b57774bc9404d6ccc5a1664d9717bf9a1ea968c1040c15ae3a312

Download Submit
memory/2128-130-0x00000000007E0000-0x00000000008BA000-memory.dmp

Filesize
872KB

Download
memory/2128-131-0x0000000005600000-0x0000000005BA4000-memory.dmp

Filesize
5.6MB

Download
memory/2128-132-0x0000000005130000-0x00000000051C2000-memory.dmp

Filesize
584KB

Download
memory/2128-133-0x0000000005120000-0x000000000512A000-memory.dmp

Filesize
40KB

Download
memory/2128-134-0x0000000007DC0000-0x0000000007E5C000-memory.dmp

Filesize
624KB

Download
memory/2784-137-0x0000000000000000-mapping.dmp

Download
memory/2784-138-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/2784-140-0x0000000005170000-0x00000000051D6000-memory.dmp

Filesize
408KB

Download
memory/2784-141-0x0000000006C60000-0x0000000006CB0000-memory.dmp

Filesize
320KB

Download
memory/5100-135-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads