masslogger | 0050845afac75af190b0f40bc369a76466bd205c067ec20ea20c9e75b0cfdbf0

General

Target

Daily report 2_pdf.exe
Size

861KB
MD5

8a1fa311688ba41e6282226bb02d73a2
SHA1

8ba23c07edef3e0302820c811ae56705665ff12d
SHA256

8bc95f1ba65bf54858a20c62bf09e9e39027f8be74369c25401b5e4503b1b553
SHA512

1e51ee35a7da4fd7ac18c0781772260958f8e7e63694cd4b3b5a6367af34bbe8464b08620b8f2d05840ae5ec7fb1e43dccd9c8e2399ecd2c5e3c0bd791f29a50

Score

10^/10

masslogger collection ransomware spyware stealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\F95B724EDE\Log.txt

Family

masslogger

Ransom Note

################################################################# MassLogger v1.3.2.0 ################################################################# ### Logger Details ### User Name: Admin IP: 154.61.71.50 Location: United States OS: Microsoft Windows 10 Pro64bit CPU: Intel Core Processor (Broadwell) GPU: Microsoft Basic Display Adapter AV: NA Screen Resolution: 1280x720 Current Time: 5/21/2022 2:41:23 PM MassLogger Started: 5/21/2022 2:40:45 PM Interval: 6 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\Daily report 2_pdf.exe As Administrator: True

Extracted

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
exporttaipei@yandex.com
Password:
evra12345

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
behavioral2/memory/860-136-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral2/memory/860-139-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral2/memory/860-141-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral2/memory/860-143-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral2/memory/860-145-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral2/memory/860-147-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral2/memory/860-149-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral2/memory/860-151-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral2/memory/860-153-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral2/memory/860-155-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral2/memory/860-157-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral2/memory/860-159-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral2/memory/860-161-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral2/memory/860-163-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral2/memory/860-165-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral2/memory/860-167-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral2/memory/860-169-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral2/memory/860-171-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral2/memory/860-173-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral2/memory/860-175-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral2/memory/860-177-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral2/memory/860-179-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral2/memory/860-181-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral2/memory/860-183-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral2/memory/860-185-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral2/memory/860-187-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral2/memory/860-189-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral2/memory/860-191-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral2/memory/860-193-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral2/memory/860-195-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral2/memory/860-197-0x0000000000400000-0x00000000004A6000-memory.dmp	family_masslogger
behavioral2/memory/860-199-0x0000000000400000-0x00000000004A6000-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:

Daily report 2_pdf.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation	Daily report 2_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 18 IoCs

collection

Email Collection

T1114

Processes:

Daily report 2_pdf.exe

description	ioc	process
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook	Daily report 2_pdf.exe
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Daily report 2_pdf.exe
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	Daily report 2_pdf.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook	Daily report 2_pdf.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Daily report 2_pdf.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Daily report 2_pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Daily report 2_pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Daily report 2_pdf.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook	Daily report 2_pdf.exe
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook	Daily report 2_pdf.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Daily report 2_pdf.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	Daily report 2_pdf.exe
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Daily report 2_pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Daily report 2_pdf.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Daily report 2_pdf.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Daily report 2_pdf.exe
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Daily report 2_pdf.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Daily report 2_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

40 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

Daily report 2_pdf.exe

description pid process target process

PID 4792 set thread context of 860 4792 Daily report 2_pdf.exe Daily report 2_pdf.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

Daily report 2_pdf.exe

pid process

860 Daily report 2_pdf.exe

flow	ioc
40	api.ipify.org

description	pid	process	target process
PID 4792 set thread context of 860	4792	Daily report 2_pdf.exe	Daily report 2_pdf.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

Processes:

Daily report 2_pdf.exe

pid	process
860	Daily report 2_pdf.exe
860	Daily report 2_pdf.exe
860	Daily report 2_pdf.exe
860	Daily report 2_pdf.exe
860	Daily report 2_pdf.exe
860	Daily report 2_pdf.exe
860	Daily report 2_pdf.exe
860	Daily report 2_pdf.exe
860	Daily report 2_pdf.exe
860	Daily report 2_pdf.exe
860	Daily report 2_pdf.exe
860	Daily report 2_pdf.exe
860	Daily report 2_pdf.exe
860	Daily report 2_pdf.exe
860	Daily report 2_pdf.exe
860	Daily report 2_pdf.exe
860	Daily report 2_pdf.exe
860	Daily report 2_pdf.exe
860	Daily report 2_pdf.exe
860	Daily report 2_pdf.exe
860	Daily report 2_pdf.exe
860	Daily report 2_pdf.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Daily report 2_pdf.exe

description pid process

Token: SeDebugPrivilege 860 Daily report 2_pdf.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Daily report 2_pdf.exe

pid process

860 Daily report 2_pdf.exe

description	pid	process
Token: SeDebugPrivilege	860	Daily report 2_pdf.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

Daily report 2_pdf.exe

description	pid	process	target process
PID 4792 wrote to memory of 860	4792	Daily report 2_pdf.exe	Daily report 2_pdf.exe
PID 4792 wrote to memory of 860	4792	Daily report 2_pdf.exe	Daily report 2_pdf.exe
PID 4792 wrote to memory of 860	4792	Daily report 2_pdf.exe	Daily report 2_pdf.exe
PID 4792 wrote to memory of 860	4792	Daily report 2_pdf.exe	Daily report 2_pdf.exe
PID 4792 wrote to memory of 860	4792	Daily report 2_pdf.exe	Daily report 2_pdf.exe
PID 4792 wrote to memory of 860	4792	Daily report 2_pdf.exe	Daily report 2_pdf.exe
PID 4792 wrote to memory of 860	4792	Daily report 2_pdf.exe	Daily report 2_pdf.exe
PID 4792 wrote to memory of 860	4792	Daily report 2_pdf.exe	Daily report 2_pdf.exe

outlook_office_path 1 IoCs

Processes:

Daily report 2_pdf.exe

description	ioc	process
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Daily report 2_pdf.exe

outlook_win_path 1 IoCs

Processes:

Daily report 2_pdf.exe

description	ioc	process
Key queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Daily report 2_pdf.exe

C:\Users\Admin\AppData\Local\Temp\Daily report 2_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Daily report 2_pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4792

C:\Users\Admin\AppData\Local\Temp\Daily report 2_pdf.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:860

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

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Daily report 2_pdf.exe.log
Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/860-163-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/860-193-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/860-639-0x0000000007C50000-0x0000000007CA0000-memory.dmp

Filesize
320KB

Download
memory/860-638-0x00000000063D0000-0x0000000006436000-memory.dmp

Filesize
408KB

Download
memory/860-135-0x0000000000000000-mapping.dmp

Download
memory/860-136-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/860-161-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/860-139-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/860-141-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/860-143-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/860-145-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/860-147-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/860-149-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/860-151-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/860-153-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/860-155-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/860-157-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/860-165-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/860-199-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/860-197-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/860-159-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/860-167-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/860-169-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/860-171-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/860-173-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/860-175-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/860-177-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/860-179-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/860-181-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/860-183-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/860-185-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/860-187-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/860-189-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/860-191-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/860-195-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/4792-130-0x0000000000AD0000-0x0000000000BAE000-memory.dmp

Filesize
888KB

Download
memory/4792-132-0x0000000005530000-0x00000000055C2000-memory.dmp

Filesize
584KB

Download
memory/4792-131-0x0000000005BC0000-0x0000000006164000-memory.dmp

Filesize
5.6MB

Download
memory/4792-134-0x0000000008FC0000-0x000000000905C000-memory.dmp

Filesize
624KB

Download
memory/4792-133-0x00000000055F0000-0x00000000055FA000-memory.dmp

Filesize
40KB

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