masslogger | 84e2a5e5d4089fa718ed8a32577ad60fa7666ea20e53cf8eb24ef2f1afcda625

General

Target

Inquiry List Ref.exe
Size

1.3MB
MD5

fa7152f2dc4580df9742a5edc5b53dda
SHA1

feacca71efc30ca102bb1f9d62a4fdeb015757a2
SHA256

7d10eb1cdc426b575f5226ecb6e481919ef84a98a4a9d6fa32ba85fc23450f68
SHA512

790268ed48d70937359c9a0360f86fb442c6aea2f19754a817f67efcc24f61ea147fe3029637e18c5246f705143647f6d66334903856754b7798b92149d63262

Score

10^/10

masslogger collection ransomware spyware stealer

Malware Config

Extracted

Path

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

Family

masslogger

Ransom Note

<|| v2.4.0.0 ||> 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: 5/21/2022 3:59:02 AM MassLogger Started: 5/21/2022 3:58:55 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\Inquiry List Ref.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 Main Payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1708-62-0x0000000000400000-0x00000000004B8000-memory.dmp	family_masslogger
behavioral1/memory/1708-63-0x0000000000400000-0x00000000004B8000-memory.dmp	family_masslogger
behavioral1/memory/1708-64-0x0000000000400000-0x00000000004B8000-memory.dmp	family_masslogger
behavioral1/memory/1708-65-0x00000000004B34AE-mapping.dmp	family_masslogger
behavioral1/memory/1708-67-0x0000000000400000-0x00000000004B8000-memory.dmp	family_masslogger
behavioral1/memory/1708-69-0x0000000000400000-0x00000000004B8000-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 1 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

Inquiry List Ref.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Control Panel\International\Geo\Nation	Inquiry List Ref.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:

Inquiry List Ref.exe

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

Inquiry List Ref.exe

description pid process target process

PID 1660 set thread context of 1708 1660 Inquiry List Ref.exe Inquiry List Ref.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

Inquiry List Ref.exe

pid process

1708 Inquiry List Ref.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

Inquiry List Ref.exe

pid process

1708 Inquiry List Ref.exe
1708 Inquiry List Ref.exe
1708 Inquiry List Ref.exe
1708 Inquiry List Ref.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Inquiry List Ref.exe

description pid process

Token: SeDebugPrivilege 1708 Inquiry List Ref.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Inquiry List Ref.exe

pid process

1708 Inquiry List Ref.exe

flow	ioc
4	api.ipify.org

description	pid	process	target process
PID 1660 set thread context of 1708	1660	Inquiry List Ref.exe	Inquiry List Ref.exe

pid	process
1708	Inquiry List Ref.exe

pid	process
1708	Inquiry List Ref.exe
1708	Inquiry List Ref.exe
1708	Inquiry List Ref.exe
1708	Inquiry List Ref.exe

description	pid	process
Token: SeDebugPrivilege	1708	Inquiry List Ref.exe

pid	process
1708	Inquiry List Ref.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

Inquiry List Ref.exe

description	pid	process	target process
PID 1660 wrote to memory of 1708	1660	Inquiry List Ref.exe	Inquiry List Ref.exe
PID 1660 wrote to memory of 1708	1660	Inquiry List Ref.exe	Inquiry List Ref.exe
PID 1660 wrote to memory of 1708	1660	Inquiry List Ref.exe	Inquiry List Ref.exe
PID 1660 wrote to memory of 1708	1660	Inquiry List Ref.exe	Inquiry List Ref.exe
PID 1660 wrote to memory of 1708	1660	Inquiry List Ref.exe	Inquiry List Ref.exe
PID 1660 wrote to memory of 1708	1660	Inquiry List Ref.exe	Inquiry List Ref.exe
PID 1660 wrote to memory of 1708	1660	Inquiry List Ref.exe	Inquiry List Ref.exe
PID 1660 wrote to memory of 1708	1660	Inquiry List Ref.exe	Inquiry List Ref.exe
PID 1660 wrote to memory of 1708	1660	Inquiry List Ref.exe	Inquiry List Ref.exe

outlook_office_path 1 IoCs

Processes:

Inquiry List Ref.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	Inquiry List Ref.exe

outlook_win_path 1 IoCs

Processes:

Inquiry List Ref.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	Inquiry List Ref.exe

C:\Users\Admin\AppData\Local\Temp\Inquiry List Ref.exe
"C:\Users\Admin\AppData\Local\Temp\Inquiry List Ref.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1660
- C:\Users\Admin\AppData\Local\Temp\Inquiry List Ref.exe
  "C:\Users\Admin\AppData\Local\Temp\Inquiry List Ref.exe"
  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:1708

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1660-54-0x0000000001100000-0x0000000001252000-memory.dmp

Filesize
1.3MB

Download
memory/1660-55-0x0000000076781000-0x0000000076783000-memory.dmp

Filesize
8KB

Download
memory/1660-56-0x00000000003D0000-0x00000000003E0000-memory.dmp

Filesize
64KB

Download
memory/1660-57-0x0000000005590000-0x000000000567E000-memory.dmp

Filesize
952KB

Download
memory/1660-58-0x0000000005730000-0x00000000057F8000-memory.dmp

Filesize
800KB

Download
memory/1708-59-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/1708-60-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/1708-62-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/1708-63-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/1708-64-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/1708-65-0x00000000004B34AE-mapping.dmp

Download
memory/1708-67-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/1708-69-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/1708-70-0x0000000000B40000-0x0000000000BB8000-memory.dmp

Filesize
480KB

Download
memory/1708-72-0x0000000004FB5000-0x0000000004FC6000-memory.dmp

Filesize
68KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads