masslogger | 36f6ddc48b8d57014c4b64a2513948d9b246db222ae00f1a7cd99ffbee52f17d

General

Target

Catalogue RMK Trading LTD_PDF.exe
Size

850KB
MD5

7058bc6c9526e8e8a9d9babc7e31e660
SHA1

4fcff851a0882f625e28114b21f05539683ce1f4
SHA256

2ccad8e7ac98ffc7a392453e342ced6f7a597f3c4d910d385aa9aac5e9633ee6
SHA512

a9ffc14735a3004f72712394219f4a6daaeaca0ce6c9ac56478f4420f8afd33b85f04507802f2a0d08c9021fe9ecb0ed995db190fb32e5e25529fc0fef71e6fc

Score

10^/10

masslogger collection ransomware rezer0 spyware stealer

Malware Config

Extracted

Path

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

Family

masslogger

Ransom Note

################################################################# MassLogger v1.3.5.0 ################################################################# ### Logger Details ### User Name: Admin IP: 154.61.71.50 Location: United States OS: Microsoft Windows 7 Ultimate 64bit CPU: Intel Core Processor (Broadwell) GPU: Standard VGA Graphics Adapter AV: NA Screen Resolution: 1280x720 Current Time: 5/21/2022 6:46:44 AM MassLogger Started: 5/21/2022 6:46:30 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\Catalogue RMK Trading LTD_PDF.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes:

Extracted

Credentials

Protocol: smtp
Host:
smtp.yandex.ru
Port:
587
Username:
[email protected]
Password:
whayasaynewnew

Signatures

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

MassLogger Main Payload 32 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2012-61-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/2012-62-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/2012-63-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/2012-64-0x00000000004AB84E-mapping.dmp	family_masslogger
behavioral1/memory/2012-66-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/2012-68-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/2012-70-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/2012-72-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/2012-74-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/2012-76-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/2012-78-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/2012-80-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/2012-82-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/2012-84-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/2012-86-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/2012-88-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/2012-90-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/2012-92-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/2012-94-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/2012-96-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/2012-98-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/2012-100-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/2012-102-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/2012-104-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/2012-106-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/2012-108-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/2012-110-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/2012-112-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/2012-114-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/2012-116-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/2012-118-0x0000000000400000-0x00000000004B0000-memory.dmp	family_masslogger
behavioral1/memory/2012-120-0x0000000000400000-0x00000000004B0000-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

ReZer0 packer 1 IoCs

Detects ReZer0, a packer with multiple versions used in various campaigns.

rezer0

Processes:

resource	yara_rule
behavioral1/memory/1952-57-0x0000000005090000-0x0000000005148000-memory.dmp	rezer0

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:

Catalogue RMK Trading LTD_PDF.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Control Panel\International\Geo\Nation	Catalogue RMK Trading LTD_PDF.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 15 IoCs

collection

Email Collection

T1114

Processes:

Catalogue RMK Trading LTD_PDF.exe

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

Catalogue RMK Trading LTD_PDF.exe

description pid process target process

PID 1952 set thread context of 2012 1952 Catalogue RMK Trading LTD_PDF.exe Catalogue RMK Trading LTD_PDF.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

Catalogue RMK Trading LTD_PDF.exe

pid process

2012 Catalogue RMK Trading LTD_PDF.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Catalogue RMK Trading LTD_PDF.exe

description pid process

Token: SeDebugPrivilege 2012 Catalogue RMK Trading LTD_PDF.exe

flow	ioc
4	api.ipify.org

description	pid	process	target process
PID 1952 set thread context of 2012	1952	Catalogue RMK Trading LTD_PDF.exe	Catalogue RMK Trading LTD_PDF.exe

pid	process
2012	Catalogue RMK Trading LTD_PDF.exe

description	pid	process
Token: SeDebugPrivilege	2012	Catalogue RMK Trading LTD_PDF.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

Catalogue RMK Trading LTD_PDF.exe

description	pid	process	target process
PID 1952 wrote to memory of 2012	1952	Catalogue RMK Trading LTD_PDF.exe	Catalogue RMK Trading LTD_PDF.exe
PID 1952 wrote to memory of 2012	1952	Catalogue RMK Trading LTD_PDF.exe	Catalogue RMK Trading LTD_PDF.exe
PID 1952 wrote to memory of 2012	1952	Catalogue RMK Trading LTD_PDF.exe	Catalogue RMK Trading LTD_PDF.exe
PID 1952 wrote to memory of 2012	1952	Catalogue RMK Trading LTD_PDF.exe	Catalogue RMK Trading LTD_PDF.exe
PID 1952 wrote to memory of 2012	1952	Catalogue RMK Trading LTD_PDF.exe	Catalogue RMK Trading LTD_PDF.exe
PID 1952 wrote to memory of 2012	1952	Catalogue RMK Trading LTD_PDF.exe	Catalogue RMK Trading LTD_PDF.exe
PID 1952 wrote to memory of 2012	1952	Catalogue RMK Trading LTD_PDF.exe	Catalogue RMK Trading LTD_PDF.exe
PID 1952 wrote to memory of 2012	1952	Catalogue RMK Trading LTD_PDF.exe	Catalogue RMK Trading LTD_PDF.exe
PID 1952 wrote to memory of 2012	1952	Catalogue RMK Trading LTD_PDF.exe	Catalogue RMK Trading LTD_PDF.exe

outlook_office_path 1 IoCs

Processes:

Catalogue RMK Trading LTD_PDF.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	Catalogue RMK Trading LTD_PDF.exe

outlook_win_path 1 IoCs

Processes:

Catalogue RMK Trading LTD_PDF.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	Catalogue RMK Trading LTD_PDF.exe

C:\Users\Admin\AppData\Local\Temp\Catalogue RMK Trading LTD_PDF.exe
"C:\Users\Admin\AppData\Local\Temp\Catalogue RMK Trading LTD_PDF.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1952

C:\Users\Admin\AppData\Local\Temp\Catalogue RMK Trading LTD_PDF.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:2012

Network

MITRE ATT&CK Matrix ATT&CK 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

1

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1952-54-0x00000000011F0000-0x00000000012CA000-memory.dmp

Filesize
872KB

Download
memory/1952-55-0x00000000765C1000-0x00000000765C3000-memory.dmp

Filesize
8KB

Download
memory/1952-56-0x00000000008D0000-0x00000000008D8000-memory.dmp

Filesize
32KB

Download
memory/1952-57-0x0000000005090000-0x0000000005148000-memory.dmp

Filesize
736KB

Download
memory/2012-58-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2012-59-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2012-61-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2012-62-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2012-63-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2012-64-0x00000000004AB84E-mapping.dmp

Download
memory/2012-66-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2012-68-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2012-70-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2012-72-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2012-74-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2012-76-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2012-78-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2012-80-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2012-82-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2012-84-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2012-86-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2012-88-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2012-90-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2012-92-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2012-94-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2012-96-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2012-98-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2012-100-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2012-102-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2012-104-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2012-106-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2012-108-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2012-110-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2012-112-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2012-114-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2012-116-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2012-118-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2012-120-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2012-577-0x0000000000D20000-0x0000000000D64000-memory.dmp

Filesize
272KB

Download
memory/2012-579-0x0000000000D75000-0x0000000000D86000-memory.dmp

Filesize
68KB

Download
memory/2012-580-0x0000000000CC0000-0x0000000000CD4000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads