Analysis
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max time kernel
49s -
max time network
136s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
20-05-2022 14:35
Static task
static1
Behavioral task
behavioral1
Sample
Purchase notes 5703.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
Purchase notes 5703.exe
Resource
win10v2004-20220414-en
General
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Target
Purchase notes 5703.exe
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Size
1.1MB
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MD5
5a01e678188aae74b91464dad269ef65
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SHA1
791371f95a8f27965ad5513a419f7e1931c51567
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SHA256
730220c2835f81c8897f2bda68e8a4c700ca3e75cb05fb9a57e6b86c7ad7ad75
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SHA512
876fcf9c7d6792ccfe612b44f084cdabe17bfba5471aa9b69c348d56e41e329db24046e32bba34747147fe8037149910db6c76971aca40a9aab7d2638bfb9fa4
Malware Config
Extracted
C:\Users\Admin\AppData\Local\8506BBE7FF\Log.txt
masslogger
Signatures
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MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
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MassLogger log file 1 IoCs
Detects a log file produced by MassLogger.
Processes:
yara_rule masslogger_log_file -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
Purchase notes 5703.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Control Panel\International\Geo\Nation Purchase notes 5703.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 35 IoCs
Processes:
Purchase notes 5703.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchase notes 5703.exe Key queried \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchase notes 5703.exe Key opened \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchase notes 5703.exe Key queried \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchase notes 5703.exe Key opened \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchase notes 5703.exe Key created \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook Purchase notes 5703.exe Key created \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook Purchase notes 5703.exe Key created \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook Purchase notes 5703.exe Key queried \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook Purchase notes 5703.exe Key opened \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchase notes 5703.exe Key created \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchase notes 5703.exe Key queried \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchase notes 5703.exe Key created \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook Purchase notes 5703.exe Key opened \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchase notes 5703.exe Key created \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchase notes 5703.exe Key created \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook Purchase notes 5703.exe Key queried \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook Purchase notes 5703.exe Key queried \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook Purchase notes 5703.exe Key created \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchase notes 5703.exe Key queried \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchase notes 5703.exe Key created \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchase notes 5703.exe Key created \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook Purchase notes 5703.exe Key opened \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchase notes 5703.exe Key created \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchase notes 5703.exe Key created \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchase notes 5703.exe Key created \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchase notes 5703.exe Key created \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook Purchase notes 5703.exe Key queried \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook Purchase notes 5703.exe Key opened \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchase notes 5703.exe Key queried \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook Purchase notes 5703.exe Key queried \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchase notes 5703.exe Key queried \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook Purchase notes 5703.exe Key queried \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchase notes 5703.exe Key queried \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook Purchase notes 5703.exe Key queried \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchase notes 5703.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 3 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Purchase notes 5703.exedescription pid process target process PID 1884 set thread context of 1656 1884 Purchase notes 5703.exe Purchase notes 5703.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
Purchase notes 5703.exePurchase notes 5703.exepid process 1884 Purchase notes 5703.exe 1656 Purchase notes 5703.exe 1656 Purchase notes 5703.exe 1656 Purchase notes 5703.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
Purchase notes 5703.exepid process 1884 Purchase notes 5703.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
Purchase notes 5703.exedescription pid process Token: SeDebugPrivilege 1656 Purchase notes 5703.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
Purchase notes 5703.exedescription pid process target process PID 1884 wrote to memory of 1656 1884 Purchase notes 5703.exe Purchase notes 5703.exe PID 1884 wrote to memory of 1656 1884 Purchase notes 5703.exe Purchase notes 5703.exe PID 1884 wrote to memory of 1656 1884 Purchase notes 5703.exe Purchase notes 5703.exe PID 1884 wrote to memory of 1656 1884 Purchase notes 5703.exe Purchase notes 5703.exe -
outlook_office_path 1 IoCs
Processes:
Purchase notes 5703.exedescription ioc process Key queried \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchase notes 5703.exe -
outlook_win_path 1 IoCs
Processes:
Purchase notes 5703.exedescription ioc process Key queried \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchase notes 5703.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Purchase notes 5703.exe"C:\Users\Admin\AppData\Local\Temp\Purchase notes 5703.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1884 -
C:\Users\Admin\AppData\Local\Temp\Purchase notes 5703.exe"C:\Users\Admin\AppData\Local\Temp\Purchase notes 5703.exe"2⤵
- Checks computer location settings
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1656