masslogger | 2653be81e8a4095c763ba6a74189b0c46c8977a01048b8ddc805ec348c509490

General

Target

PO no. 027.exe
Size

1.3MB
MD5

16d09831c9e3fa89f864a23d9284d759
SHA1

3b2000d7d8c27f0b624359df95854a0665d09626
SHA256

3f6a4df2b41a71afe07a307c62bd00cc81b42e561fb551d185baf7141867484e
SHA512

d8949eb4b6fd0c9de99f15d6c76d0f8c1ff63ad4efa2a99bb31aaff2ff7d0f83b9c5d221b4fb795b4e0674e010a2b8fdbfbf449c12aa5d444c90b1cfe90c6edd

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: 5/21/2022 3:04:27 AM MassLogger Started: 5/21/2022 3:04:23 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\PO no. 027.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 ||> 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 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

PO no. 027.exePO no. 027.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation	PO no. 027.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation	PO no. 027.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 no. 027.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO no. 027.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO no. 027.exe
Key queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO no. 027.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO no. 027.exe
Key queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO no. 027.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 no. 027.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 no. 027.exe
Key queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO no. 027.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO no. 027.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO no. 027.exe
Key queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO no. 027.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook	PO no. 027.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\17.0\Outlook\Profiles\Outlook	PO no. 027.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO no. 027.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO no. 027.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook	PO no. 027.exe
Key queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO no. 027.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook	PO no. 027.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO no. 027.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO no. 027.exe
Key queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO no. 027.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO no. 027.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 no. 027.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO no. 027.exe
Key queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\17.0\Outlook\Profiles\Outlook	PO no. 027.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO no. 027.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 no. 027.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO no. 027.exe
Key queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook	PO no. 027.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\19.0\Outlook\Profiles\Outlook	PO no. 027.exe
Key queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook	PO no. 027.exe
Key queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\18.0\Outlook\Profiles\Outlook	PO no. 027.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO no. 027.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO no. 027.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO no. 027.exe
Key queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook	PO no. 027.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO no. 027.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\18.0\Outlook\Profiles\Outlook	PO no. 027.exe
Key queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Office\19.0\Outlook\Profiles\Outlook	PO no. 027.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO no. 027.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	PO no. 027.exe
Key queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	PO no. 027.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

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

Processes:

PO no. 027.exe

description pid process target process

PID 4220 set thread context of 4940 4220 PO no. 027.exe PO no. 027.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

4608 schtasks.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

PO no. 027.exe

pid process

4940 PO no. 027.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

PO no. 027.exe

pid process

4940 PO no. 027.exe
4940 PO no. 027.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

PO no. 027.exe

description pid process

Token: SeDebugPrivilege 4940 PO no. 027.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

PO no. 027.exe

pid process

4940 PO no. 027.exe

flow	ioc
37	api.ipify.org

description	pid	process	target process
PID 4220 set thread context of 4940	4220	PO no. 027.exe	PO no. 027.exe

pid	process
4608	schtasks.exe

pid	process
4940	PO no. 027.exe

pid	process
4940	PO no. 027.exe
4940	PO no. 027.exe

description	pid	process
Token: SeDebugPrivilege	4940	PO no. 027.exe

pid	process
4940	PO no. 027.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

PO no. 027.exe

description	pid	process	target process
PID 4220 wrote to memory of 4608	4220	PO no. 027.exe	schtasks.exe
PID 4220 wrote to memory of 4608	4220	PO no. 027.exe	schtasks.exe
PID 4220 wrote to memory of 4608	4220	PO no. 027.exe	schtasks.exe
PID 4220 wrote to memory of 4940	4220	PO no. 027.exe	PO no. 027.exe
PID 4220 wrote to memory of 4940	4220	PO no. 027.exe	PO no. 027.exe
PID 4220 wrote to memory of 4940	4220	PO no. 027.exe	PO no. 027.exe
PID 4220 wrote to memory of 4940	4220	PO no. 027.exe	PO no. 027.exe
PID 4220 wrote to memory of 4940	4220	PO no. 027.exe	PO no. 027.exe
PID 4220 wrote to memory of 4940	4220	PO no. 027.exe	PO no. 027.exe
PID 4220 wrote to memory of 4940	4220	PO no. 027.exe	PO no. 027.exe
PID 4220 wrote to memory of 4940	4220	PO no. 027.exe	PO no. 027.exe

outlook_office_path 1 IoCs

Processes:

PO no. 027.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 no. 027.exe

outlook_win_path 1 IoCs

Processes:

PO no. 027.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 no. 027.exe

C:\Users\Admin\AppData\Local\Temp\PO no. 027.exe
"C:\Users\Admin\AppData\Local\Temp\PO no. 027.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4220
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\pEsdrLqSsfUIXj" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCDFE.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:4608
- C:\Users\Admin\AppData\Local\Temp\PO no. 027.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:4940

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\tmpCDFE.tmp

Filesize
1KB

MD5
b19422b2e31d68808cefd3924af491a9

SHA1
06c9e076640ce90057c168b1bc824851ce48c886

SHA256
5e6b1367631711e9d925d703257f93e62601bcdf306714ecaa9b5d7d28ff71ab

SHA512
36e7c1abf660b382da6b1db9da436981107ece18efb1666f155ba203ed007a62ecdfd3957341d3dac064d9ab9a14102d0bfda9e27450a1ed94a3453abb55feb7

Download Submit
memory/4220-130-0x0000000000880000-0x00000000009D0000-memory.dmp

Filesize
1.3MB

Download
memory/4220-131-0x00000000054B0000-0x000000000554C000-memory.dmp

Filesize
624KB

Download
memory/4220-132-0x0000000005670000-0x0000000005702000-memory.dmp

Filesize
584KB

Download
memory/4220-133-0x00000000061D0000-0x0000000006774000-memory.dmp

Filesize
5.6MB

Download
memory/4608-134-0x0000000000000000-mapping.dmp

Download
memory/4940-136-0x0000000000000000-mapping.dmp

Download
memory/4940-137-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/4940-138-0x0000000005200000-0x0000000005266000-memory.dmp

Filesize
408KB

Download
memory/4940-139-0x0000000007130000-0x000000000713A000-memory.dmp

Filesize
40KB

Download
memory/4940-140-0x00000000083A0000-0x00000000083F0000-memory.dmp

Filesize
320KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads