masslogger | 33705d10fd5b100da5081eba5b1e831bcbdb98800c9180a2618d2bbe9d19c037

General

Target

New_Inquiry_080820.exe
Size

1.0MB
MD5

a35f10913241fbf50334b4e1bda3337b
SHA1

4968389dff39ec793557189977772490a652264d
SHA256

3e4bbaedb75ecb1dba42d262fbb6c051d30dddbf7d10ceac4086836b67f1dd3a
SHA512

f04e12a46dbe884575d20c053d39e15594a5dfde89c3a1fb22c0520f21e3ffac7fe81706e62867fbff2b49905ecaba03494267dc26f8925fde177036a419fc0f

Score

10^/10

masslogger collection ransomware spyware stealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\3B8E3C2477\Log.txt

Family

masslogger

Ransom Note

<|| v2.4.0.0 ||> 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 3:27:06 AM MassLogger Started: 5/21/2022 3:26:55 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\New_Inquiry_080820.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes: <|| WD Exclusion ||> Disabled <|| Binder ||> 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

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:

New_Inquiry_080820.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Control Panel\International\Geo\Nation	New_Inquiry_080820.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:

New_Inquiry_080820.exe

description	ioc	process
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	New_Inquiry_080820.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	New_Inquiry_080820.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	New_Inquiry_080820.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	New_Inquiry_080820.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	New_Inquiry_080820.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	New_Inquiry_080820.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	New_Inquiry_080820.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	New_Inquiry_080820.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	New_Inquiry_080820.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	New_Inquiry_080820.exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	New_Inquiry_080820.exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	New_Inquiry_080820.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	New_Inquiry_080820.exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	New_Inquiry_080820.exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	New_Inquiry_080820.exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	New_Inquiry_080820.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	New_Inquiry_080820.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	New_Inquiry_080820.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	New_Inquiry_080820.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	New_Inquiry_080820.exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	New_Inquiry_080820.exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	New_Inquiry_080820.exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	New_Inquiry_080820.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	New_Inquiry_080820.exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	New_Inquiry_080820.exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook	New_Inquiry_080820.exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	New_Inquiry_080820.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	New_Inquiry_080820.exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	New_Inquiry_080820.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook	New_Inquiry_080820.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	New_Inquiry_080820.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	New_Inquiry_080820.exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook	New_Inquiry_080820.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook	New_Inquiry_080820.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	New_Inquiry_080820.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:

New_Inquiry_080820.exe

description pid process target process

PID 1692 set thread context of 1944 1692 New_Inquiry_080820.exe New_Inquiry_080820.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

2028 schtasks.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

New_Inquiry_080820.exe

pid process

1944 New_Inquiry_080820.exe

flow	ioc
4	api.ipify.org

description	pid	process	target process
PID 1692 set thread context of 1944	1692	New_Inquiry_080820.exe	New_Inquiry_080820.exe

pid	process
2028	schtasks.exe

pid	process
1944	New_Inquiry_080820.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

New_Inquiry_080820.exeNew_Inquiry_080820.exe

pid	process
1692	New_Inquiry_080820.exe
1692	New_Inquiry_080820.exe
1692	New_Inquiry_080820.exe
1944	New_Inquiry_080820.exe
1944	New_Inquiry_080820.exe
1944	New_Inquiry_080820.exe
1944	New_Inquiry_080820.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

New_Inquiry_080820.exeNew_Inquiry_080820.exe

description pid process

Token: SeDebugPrivilege 1692 New_Inquiry_080820.exe
Token: SeDebugPrivilege 1944 New_Inquiry_080820.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

New_Inquiry_080820.exe

pid process

1944 New_Inquiry_080820.exe

description	pid	process
Token: SeDebugPrivilege	1692	New_Inquiry_080820.exe
Token: SeDebugPrivilege	1944	New_Inquiry_080820.exe

pid	process
1944	New_Inquiry_080820.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

New_Inquiry_080820.exe

description	pid	process	target process
PID 1692 wrote to memory of 2028	1692	New_Inquiry_080820.exe	schtasks.exe
PID 1692 wrote to memory of 2028	1692	New_Inquiry_080820.exe	schtasks.exe
PID 1692 wrote to memory of 2028	1692	New_Inquiry_080820.exe	schtasks.exe
PID 1692 wrote to memory of 2028	1692	New_Inquiry_080820.exe	schtasks.exe
PID 1692 wrote to memory of 1944	1692	New_Inquiry_080820.exe	New_Inquiry_080820.exe
PID 1692 wrote to memory of 1944	1692	New_Inquiry_080820.exe	New_Inquiry_080820.exe
PID 1692 wrote to memory of 1944	1692	New_Inquiry_080820.exe	New_Inquiry_080820.exe
PID 1692 wrote to memory of 1944	1692	New_Inquiry_080820.exe	New_Inquiry_080820.exe
PID 1692 wrote to memory of 1944	1692	New_Inquiry_080820.exe	New_Inquiry_080820.exe
PID 1692 wrote to memory of 1944	1692	New_Inquiry_080820.exe	New_Inquiry_080820.exe
PID 1692 wrote to memory of 1944	1692	New_Inquiry_080820.exe	New_Inquiry_080820.exe
PID 1692 wrote to memory of 1944	1692	New_Inquiry_080820.exe	New_Inquiry_080820.exe
PID 1692 wrote to memory of 1944	1692	New_Inquiry_080820.exe	New_Inquiry_080820.exe

outlook_office_path 1 IoCs

Processes:

New_Inquiry_080820.exe

description	ioc	process
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	New_Inquiry_080820.exe

outlook_win_path 1 IoCs

Processes:

New_Inquiry_080820.exe

description	ioc	process
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	New_Inquiry_080820.exe

C:\Users\Admin\AppData\Local\Temp\New_Inquiry_080820.exe
"C:\Users\Admin\AppData\Local\Temp\New_Inquiry_080820.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1692
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\eOYCGE" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEA31.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2028
- C:\Users\Admin\AppData\Local\Temp\New_Inquiry_080820.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:1944

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\tmpEA31.tmp

Filesize
1KB

MD5
983a8c3dd699bb36c5ed29ff0ea85345

SHA1
b22f7a6580739f88061636fca43846a9062c46d7

SHA256
52bfeb8a86f92b3e0276febdc7c8e43ece6c829b190b64b89c95ecc1934defd9

SHA512
854ace3e2d9a5bf704cf2091f64a8fdf037d2f41797d8958a8a48277b6f75be03c944b69d2d5bd0914d0263c9f31d4a6fd52ae3a4a4615cda4f35284f6317cca

Download Submit
memory/1692-55-0x00000000763E1000-0x00000000763E3000-memory.dmp

Filesize
8KB

Download
memory/1692-56-0x0000000000430000-0x0000000000440000-memory.dmp

Filesize
64KB

Download
memory/1692-57-0x0000000008040000-0x00000000080FE000-memory.dmp

Filesize
760KB

Download
memory/1692-58-0x0000000008200000-0x00000000082B8000-memory.dmp

Filesize
736KB

Download
memory/1692-54-0x0000000000E80000-0x0000000000F8C000-memory.dmp

Filesize
1.0MB

Download
memory/1944-62-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/1944-61-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/1944-64-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/1944-65-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/1944-67-0x00000000004B2ECE-mapping.dmp

Download
memory/1944-66-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/1944-69-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/1944-71-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/1944-72-0x0000000000DB0000-0x0000000000E28000-memory.dmp

Filesize
480KB

Download
memory/1944-74-0x0000000000E45000-0x0000000000E56000-memory.dmp

Filesize
68KB

Download
memory/2028-59-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads