masslogger | 4464f85e92b417a3ac8cd3a4578cc4557f9cf9df36240052605dba93a4968571

General

Target

Company Info.exe
Size

1.0MB
MD5

49c568fb7de5bb77140ab3b40e54fdff
SHA1

6d74dbf23a857e11d9a30a28e2ebe7dc3b74735a
SHA256

77f7dd01dbc1cfa243fc8301937058094b3c02ffb3f18e8dd7b3221723705049
SHA512

de918d8654df77256b5a7036c8c5e969605c2744e160b58cb5bd86e0abcf691c9f55bff43299b3149152ce5c02191c9b8e56b4254dad7e9dea2c7dc7b41489de

Score

10^/10

masslogger collection ransomware spyware stealer

Malware Config

Extracted

Path

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

Family

masslogger

Ransom Note

################################################################# MassLogger v1.3.3.0 ################################################################# ### 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 2:57:52 PM MassLogger Started: 5/21/2022 2:57:38 PM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\Company Info.exe As Administrator: True

Extracted

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
m4cfund@yandex.com
Password:
Dmacdavid

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:

Company Info.exe

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

Company Info.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	Company Info.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Company Info.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	Company Info.exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	Company Info.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Company Info.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Company Info.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	Company Info.exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	Company Info.exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	Company Info.exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Company Info.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Company Info.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	Company Info.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Company Info.exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Company Info.exe
Key queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Company Info.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:

Company Info.exe

description pid process target process

PID 1664 set thread context of 2028 1664 Company Info.exe Company Info.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

Company Info.exe

pid process

2028 Company Info.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Company Info.exeCompany Info.exe

pid process

1664 Company Info.exe
2028 Company Info.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Company Info.exeCompany Info.exe

description pid process

Token: SeDebugPrivilege 1664 Company Info.exe
Token: SeDebugPrivilege 2028 Company Info.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Company Info.exe

pid process

2028 Company Info.exe

flow	ioc
4	api.ipify.org

description	pid	process	target process
PID 1664 set thread context of 2028	1664	Company Info.exe	Company Info.exe

pid	process
2028	Company Info.exe

pid	process
1664	Company Info.exe
2028	Company Info.exe

description	pid	process
Token: SeDebugPrivilege	1664	Company Info.exe
Token: SeDebugPrivilege	2028	Company Info.exe

pid	process
2028	Company Info.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

Company Info.exe

description	pid	process	target process
PID 1664 wrote to memory of 2028	1664	Company Info.exe	Company Info.exe
PID 1664 wrote to memory of 2028	1664	Company Info.exe	Company Info.exe
PID 1664 wrote to memory of 2028	1664	Company Info.exe	Company Info.exe
PID 1664 wrote to memory of 2028	1664	Company Info.exe	Company Info.exe
PID 1664 wrote to memory of 2028	1664	Company Info.exe	Company Info.exe
PID 1664 wrote to memory of 2028	1664	Company Info.exe	Company Info.exe
PID 1664 wrote to memory of 2028	1664	Company Info.exe	Company Info.exe
PID 1664 wrote to memory of 2028	1664	Company Info.exe	Company Info.exe
PID 1664 wrote to memory of 2028	1664	Company Info.exe	Company Info.exe

outlook_office_path 1 IoCs

Processes:

Company Info.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	Company Info.exe

outlook_win_path 1 IoCs

Processes:

Company Info.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	Company Info.exe

C:\Users\Admin\AppData\Local\Temp\Company Info.exe
"C:\Users\Admin\AppData\Local\Temp\Company Info.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1664

C:\Users\Admin\AppData\Local\Temp\Company Info.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:2028

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/1664-54-0x0000000000A00000-0x0000000000B12000-memory.dmp

Filesize
1.1MB

Download
memory/1664-55-0x0000000000570000-0x000000000058C000-memory.dmp

Filesize
112KB

Download
memory/1664-56-0x00000000055B0000-0x000000000565E000-memory.dmp

Filesize
696KB

Download
memory/2028-57-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2028-58-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2028-60-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2028-61-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2028-62-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2028-63-0x00000000004A12AE-mapping.dmp

Download
memory/2028-65-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2028-67-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2028-69-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2028-71-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2028-73-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2028-75-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2028-77-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2028-79-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2028-81-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2028-83-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2028-85-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2028-87-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2028-89-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2028-91-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2028-93-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2028-95-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2028-97-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2028-99-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2028-101-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2028-103-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2028-105-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2028-107-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2028-109-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2028-111-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2028-113-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2028-115-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2028-117-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2028-119-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2028-121-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/2028-573-0x00000000023A0000-0x00000000023E4000-memory.dmp

Filesize
272KB

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