Malware Analysis Report

2024-10-19 08:47

Sample ID 220521-pfybmaadgr
Target bff18fa437ec08a2b1726d02b23e25cb3deea0933624beffe2a646120ae79062
SHA256 bff18fa437ec08a2b1726d02b23e25cb3deea0933624beffe2a646120ae79062
Tags
masslogger collection ransomware spyware stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

bff18fa437ec08a2b1726d02b23e25cb3deea0933624beffe2a646120ae79062

Threat Level: Known bad

The file bff18fa437ec08a2b1726d02b23e25cb3deea0933624beffe2a646120ae79062 was found to be: Known bad.

Malicious Activity Summary

masslogger collection ransomware spyware stealer

MassLogger Main Payload

MassLogger

Contains code to disable Windows Defender

MassLogger log file

Reads user/profile data of web browsers

Checks computer location settings

Looks up external IP address via web service

Accesses Microsoft Outlook profiles

Suspicious use of SetThreadContext

Suspicious behavior: EnumeratesProcesses

outlook_win_path

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

outlook_office_path

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-05-21 12:16

Signatures

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2022-05-21 12:16

Reported

2022-05-21 12:31

Platform

win10v2004-20220414-en

Max time kernel

130s

Max time network

182s

Command Line

"C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe"

Signatures

MassLogger

stealer spyware masslogger

MassLogger Main Payload

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MassLogger log file

Description Indicator Process Target
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Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe N/A

Reads user/profile data of web browsers

spyware stealer

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe N/A
Key queried \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe N/A
Key queried \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe N/A
Key queried \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe N/A
Key queried \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe N/A
Key queried \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe N/A
Key queried \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A api.ipify.org N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2856 set thread context of 4636 N/A C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe N/A
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N/A N/A C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe N/A

outlook_office_path

Description Indicator Process Target
Key queried \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe N/A

outlook_win_path

Description Indicator Process Target
Key queried \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe

"C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe"

C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe

"C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe"

Network

Country Destination Domain Proto
US 198.54.122.135:587 tcp
US 52.109.8.21:443 tcp
US 20.42.72.131:443 tcp
NL 104.110.191.140:80 tcp
NL 104.110.191.140:80 tcp
NL 104.110.191.140:80 tcp
US 8.8.8.8:53 api.ipify.org udp
US 3.232.242.170:80 api.ipify.org tcp
US 8.8.8.8:53 mail.ereglitso.org.tr udp
RU 77.88.21.37:587 mail.ereglitso.org.tr tcp

Files

memory/2856-130-0x0000000000BF0000-0x0000000000CCC000-memory.dmp

memory/2856-131-0x0000000005E70000-0x0000000006414000-memory.dmp

memory/2856-132-0x00000000056C0000-0x0000000005752000-memory.dmp

memory/2856-133-0x0000000005790000-0x000000000579A000-memory.dmp

memory/2856-134-0x0000000005A50000-0x0000000005AEC000-memory.dmp

memory/2856-135-0x0000000005AF0000-0x0000000005B56000-memory.dmp

memory/4636-136-0x0000000000000000-mapping.dmp

memory/4636-137-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4636-139-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4636-141-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4636-143-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4636-145-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4636-147-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4636-149-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4636-151-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4636-153-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4636-155-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4636-157-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4636-159-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4636-161-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4636-163-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4636-165-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4636-167-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4636-169-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4636-171-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4636-173-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4636-175-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4636-177-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4636-179-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4636-181-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4636-185-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4636-183-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4636-187-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4636-189-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4636-191-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4636-193-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4636-195-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4636-197-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4636-199-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/4636-646-0x00000000071E0000-0x0000000007230000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2022-05-21 12:16

Reported

2022-05-21 12:30

Platform

win7-20220414-en

Max time kernel

44s

Max time network

49s

Command Line

"C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe"

Signatures

Contains code to disable Windows Defender

Description Indicator Process Target
N/A N/A N/A N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1600 wrote to memory of 276 N/A C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe
PID 1600 wrote to memory of 276 N/A C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe
PID 1600 wrote to memory of 276 N/A C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe
PID 1600 wrote to memory of 276 N/A C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe
PID 1600 wrote to memory of 1968 N/A C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe
PID 1600 wrote to memory of 1968 N/A C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe
PID 1600 wrote to memory of 1968 N/A C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe
PID 1600 wrote to memory of 1968 N/A C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe
PID 1600 wrote to memory of 1780 N/A C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe
PID 1600 wrote to memory of 1780 N/A C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe
PID 1600 wrote to memory of 1780 N/A C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe
PID 1600 wrote to memory of 1780 N/A C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe
PID 1600 wrote to memory of 684 N/A C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe
PID 1600 wrote to memory of 684 N/A C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe
PID 1600 wrote to memory of 684 N/A C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe
PID 1600 wrote to memory of 684 N/A C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe
PID 1600 wrote to memory of 1728 N/A C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe
PID 1600 wrote to memory of 1728 N/A C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe
PID 1600 wrote to memory of 1728 N/A C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe
PID 1600 wrote to memory of 1728 N/A C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe

Processes

C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe

"C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe"

C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe

"C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe"

C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe

"C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe"

C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe

"C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe"

C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe

"C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe"

C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe

"C:\Users\Admin\AppData\Local\Temp\DOC#090900009.exe"

Network

N/A

Files

memory/1600-54-0x0000000000330000-0x000000000040C000-memory.dmp

memory/1600-55-0x0000000000650000-0x0000000000658000-memory.dmp

memory/1600-56-0x0000000075CD1000-0x0000000075CD3000-memory.dmp

memory/1600-57-0x0000000004D00000-0x0000000004DCE000-memory.dmp

memory/1600-58-0x0000000001F60000-0x0000000001F6E000-memory.dmp

memory/1600-59-0x0000000001F70000-0x0000000001F78000-memory.dmp

memory/1600-60-0x0000000001FC0000-0x0000000001FC8000-memory.dmp