Analysis Overview
SHA256
bff18fa437ec08a2b1726d02b23e25cb3deea0933624beffe2a646120ae79062
Threat Level: Known bad
The file bff18fa437ec08a2b1726d02b23e25cb3deea0933624beffe2a646120ae79062 was found to be: Known bad.
Malicious Activity Summary
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
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-05-21 12:16
Signatures
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
Signatures
MassLogger
MassLogger Main Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
MassLogger log file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
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
Accesses Microsoft Outlook profiles
| 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
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 |
Suspicious use of WriteProcessMemory
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
Signatures
Contains code to disable Windows Defender
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Suspicious behavior: EnumeratesProcesses
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
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
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