masslogger | e50a804199c2303cf419613432fcc39612d644a0373e72e5b15a96b56a0521d6

General

Target

Purchase Order Sample.exe
Size

1.1MB
MD5

2a3f68d64b40b2b1ab652183adcc69d4
SHA1

59365b442e3be214cd76ae164daaa47e0d52fb99
SHA256

1590167d71c9cd4bdacf01d5e56fb3b4315ddaf7ede3dc270de784a7ec12f2dd
SHA512

9b195df8e8531aaca6a8ea5b5163ae1cd05a2b69be23c18fb486439b7cb6fbb8dac57c8dff86677a274b58605161faa871c949d8cbb682b6b0f3c6cb501bb33f

Score

10^/10

masslogger collection ransomware spyware stealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\AEF946DCB4\Log.txt

Family

masslogger

Ransom Note

<|| v2.1.0.0 ||> 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 1:36:21 PM MassLogger Started: 5/21/2022 1:36:04 PM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\Purchase Order Sample.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

Extracted

Credentials

Protocol: smtp
Host:
smtp.gmail.com
Port:
587
Username:
[email protected]
Password:
08085892400

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:

Purchase Order Sample.exe

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

Purchase Order Sample.exe

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

Purchase Order Sample.exe

description pid process target process

PID 1700 set thread context of 468 1700 Purchase Order Sample.exe Purchase Order Sample.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

952 schtasks.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

Purchase Order Sample.exe

pid process

468 Purchase Order Sample.exe

flow	ioc
4	api.ipify.org

description	pid	process	target process
PID 1700 set thread context of 468	1700	Purchase Order Sample.exe	Purchase Order Sample.exe

pid	process
952	schtasks.exe

pid	process
468	Purchase Order Sample.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

Purchase Order Sample.exePurchase Order Sample.exe

pid	process
1700	Purchase Order Sample.exe
1700	Purchase Order Sample.exe
1700	Purchase Order Sample.exe
1700	Purchase Order Sample.exe
468	Purchase Order Sample.exe
468	Purchase Order Sample.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Purchase Order Sample.exePurchase Order Sample.exe

description pid process

Token: SeDebugPrivilege 1700 Purchase Order Sample.exe
Token: SeDebugPrivilege 468 Purchase Order Sample.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Purchase Order Sample.exe

pid process

468 Purchase Order Sample.exe

description	pid	process
Token: SeDebugPrivilege	1700	Purchase Order Sample.exe
Token: SeDebugPrivilege	468	Purchase Order Sample.exe

pid	process
468	Purchase Order Sample.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

Purchase Order Sample.exe

description	pid	process	target process
PID 1700 wrote to memory of 952	1700	Purchase Order Sample.exe	schtasks.exe
PID 1700 wrote to memory of 952	1700	Purchase Order Sample.exe	schtasks.exe
PID 1700 wrote to memory of 952	1700	Purchase Order Sample.exe	schtasks.exe
PID 1700 wrote to memory of 952	1700	Purchase Order Sample.exe	schtasks.exe
PID 1700 wrote to memory of 468	1700	Purchase Order Sample.exe	Purchase Order Sample.exe
PID 1700 wrote to memory of 468	1700	Purchase Order Sample.exe	Purchase Order Sample.exe
PID 1700 wrote to memory of 468	1700	Purchase Order Sample.exe	Purchase Order Sample.exe
PID 1700 wrote to memory of 468	1700	Purchase Order Sample.exe	Purchase Order Sample.exe
PID 1700 wrote to memory of 468	1700	Purchase Order Sample.exe	Purchase Order Sample.exe
PID 1700 wrote to memory of 468	1700	Purchase Order Sample.exe	Purchase Order Sample.exe
PID 1700 wrote to memory of 468	1700	Purchase Order Sample.exe	Purchase Order Sample.exe
PID 1700 wrote to memory of 468	1700	Purchase Order Sample.exe	Purchase Order Sample.exe
PID 1700 wrote to memory of 468	1700	Purchase Order Sample.exe	Purchase Order Sample.exe

outlook_office_path 1 IoCs

Processes:

Purchase Order Sample.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	Purchase Order Sample.exe

outlook_win_path 1 IoCs

Processes:

Purchase Order Sample.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	Purchase Order Sample.exe

C:\Users\Admin\AppData\Local\Temp\Purchase Order Sample.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase Order Sample.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1700
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\&startupname&" /XML "C:\Users\Admin\AppData\Local\Temp\tmp64CC.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:952
- C:\Users\Admin\AppData\Local\Temp\Purchase Order Sample.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:468

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\tmp64CC.tmp

Filesize
1KB

MD5
dc436ff5b60ef8168376c73a193ed25c

SHA1
0943c8a1a0851b7b79d31fadb488cce2e0444638

SHA256
949ee6cece73e1304479fc963d79d2fd8e6410f451c1ce0ae6fd6e1b40b70705

SHA512
1f66711762ef86444a1e4edd5e3105b2ca5e83ec72bc6c2e04c7b5a9de1f50df3a6a85c75fc54003e4ebb0c9d8061455a6ef2e544726536592fb32dbf99736bd

Download Submit
memory/468-68-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/468-71-0x00000000008B0000-0x00000000008F4000-memory.dmp

Filesize
272KB

Download
memory/468-64-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/468-74-0x0000000002160000-0x0000000002174000-memory.dmp

Filesize
80KB

Download
memory/468-65-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/468-60-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/468-61-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/468-66-0x000000000049481E-mapping.dmp

Download
memory/468-73-0x0000000000875000-0x0000000000886000-memory.dmp

Filesize
68KB

Download
memory/468-72-0x0000000075841000-0x0000000075843000-memory.dmp

Filesize
8KB

Download
memory/468-63-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/468-70-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/952-58-0x0000000000000000-mapping.dmp

Download
memory/1700-54-0x0000000000020000-0x000000000014A000-memory.dmp

Filesize
1.2MB

Download
memory/1700-56-0x0000000000380000-0x0000000000426000-memory.dmp

Filesize
664KB

Download
memory/1700-55-0x0000000000590000-0x0000000000598000-memory.dmp

Filesize
32KB

Download
memory/1700-57-0x0000000005BE0000-0x0000000005C84000-memory.dmp

Filesize
656KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads