Analysis
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max time kernel
132s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
20-05-2022 14:11
Static task
static1
Behavioral task
behavioral1
Sample
doc_003784_116372_inquiry.xls.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
doc_003784_116372_inquiry.xls.exe
Resource
win10v2004-20220414-en
General
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Target
doc_003784_116372_inquiry.xls.exe
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Size
1.2MB
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MD5
fd168c1972077f518b9a3024d5b20f9b
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SHA1
01ea9bf73da5fe8554a675903246a7f38a837d6a
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SHA256
b3bdc62981bcde4ee28317404b4154f0f8b7e2fc7297c80c9b45b842e4f6708f
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SHA512
0a21502e70a2c213db193af97f66ba62fa1588fc9c0ed8977af2f9493d414b5ab4c2dc5edde54c9a1c9ce80325817bc046864b48665b5de9082100b6ec242bca
Malware Config
Extracted
C:\Users\Admin\AppData\Local\F95B724EDE\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:
doc_003784_116372_inquiry.xls.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation doc_003784_116372_inquiry.xls.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 42 IoCs
Processes:
doc_003784_116372_inquiry.xls.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 doc_003784_116372_inquiry.xls.exe Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 doc_003784_116372_inquiry.xls.exe Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 doc_003784_116372_inquiry.xls.exe Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\17.0\Outlook\Profiles\Outlook doc_003784_116372_inquiry.xls.exe Key queried \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 doc_003784_116372_inquiry.xls.exe Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 doc_003784_116372_inquiry.xls.exe Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 doc_003784_116372_inquiry.xls.exe Key queried \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook doc_003784_116372_inquiry.xls.exe Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook doc_003784_116372_inquiry.xls.exe Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 doc_003784_116372_inquiry.xls.exe Key queried \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\17.0\Outlook\Profiles\Outlook doc_003784_116372_inquiry.xls.exe Key queried \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\19.0\Outlook\Profiles\Outlook doc_003784_116372_inquiry.xls.exe Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook doc_003784_116372_inquiry.xls.exe Key queried \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook doc_003784_116372_inquiry.xls.exe Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook doc_003784_116372_inquiry.xls.exe Key queried \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 doc_003784_116372_inquiry.xls.exe Key queried \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 doc_003784_116372_inquiry.xls.exe Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 doc_003784_116372_inquiry.xls.exe Key queried \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 doc_003784_116372_inquiry.xls.exe Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 doc_003784_116372_inquiry.xls.exe Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 doc_003784_116372_inquiry.xls.exe Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 doc_003784_116372_inquiry.xls.exe Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\19.0\Outlook\Profiles\Outlook doc_003784_116372_inquiry.xls.exe Key queried \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 doc_003784_116372_inquiry.xls.exe Key queried \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook doc_003784_116372_inquiry.xls.exe Key queried \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 doc_003784_116372_inquiry.xls.exe Key queried \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\18.0\Outlook\Profiles\Outlook doc_003784_116372_inquiry.xls.exe Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 doc_003784_116372_inquiry.xls.exe Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 doc_003784_116372_inquiry.xls.exe Key queried \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook doc_003784_116372_inquiry.xls.exe Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 doc_003784_116372_inquiry.xls.exe Key queried \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 doc_003784_116372_inquiry.xls.exe Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 doc_003784_116372_inquiry.xls.exe Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 doc_003784_116372_inquiry.xls.exe Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 doc_003784_116372_inquiry.xls.exe Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 doc_003784_116372_inquiry.xls.exe Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 doc_003784_116372_inquiry.xls.exe Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\18.0\Outlook\Profiles\Outlook doc_003784_116372_inquiry.xls.exe Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 doc_003784_116372_inquiry.xls.exe Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 doc_003784_116372_inquiry.xls.exe Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook doc_003784_116372_inquiry.xls.exe Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 doc_003784_116372_inquiry.xls.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 9 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
doc_003784_116372_inquiry.xls.exedescription pid process target process PID 2288 set thread context of 3460 2288 doc_003784_116372_inquiry.xls.exe doc_003784_116372_inquiry.xls.exe -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
doc_003784_116372_inquiry.xls.exepid process 3460 doc_003784_116372_inquiry.xls.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
doc_003784_116372_inquiry.xls.exedoc_003784_116372_inquiry.xls.exepid process 2288 doc_003784_116372_inquiry.xls.exe 2288 doc_003784_116372_inquiry.xls.exe 3460 doc_003784_116372_inquiry.xls.exe 3460 doc_003784_116372_inquiry.xls.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
doc_003784_116372_inquiry.xls.exepid process 2288 doc_003784_116372_inquiry.xls.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
doc_003784_116372_inquiry.xls.exedescription pid process Token: SeDebugPrivilege 3460 doc_003784_116372_inquiry.xls.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
doc_003784_116372_inquiry.xls.exepid process 3460 doc_003784_116372_inquiry.xls.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
doc_003784_116372_inquiry.xls.exedescription pid process target process PID 2288 wrote to memory of 3460 2288 doc_003784_116372_inquiry.xls.exe doc_003784_116372_inquiry.xls.exe PID 2288 wrote to memory of 3460 2288 doc_003784_116372_inquiry.xls.exe doc_003784_116372_inquiry.xls.exe PID 2288 wrote to memory of 3460 2288 doc_003784_116372_inquiry.xls.exe doc_003784_116372_inquiry.xls.exe -
outlook_office_path 1 IoCs
Processes:
doc_003784_116372_inquiry.xls.exedescription ioc process Key queried \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 doc_003784_116372_inquiry.xls.exe -
outlook_win_path 1 IoCs
Processes:
doc_003784_116372_inquiry.xls.exedescription 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 doc_003784_116372_inquiry.xls.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\doc_003784_116372_inquiry.xls.exe"C:\Users\Admin\AppData\Local\Temp\doc_003784_116372_inquiry.xls.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\doc_003784_116372_inquiry.xls.exe"C:\Users\Admin\AppData\Local\Temp\doc_003784_116372_inquiry.xls.exe"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
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/2288-130-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
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memory/3460-131-0x0000000000000000-mapping.dmp
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memory/3460-132-0x0000000000C10000-0x0000000000CD4000-memory.dmpFilesize
784KB
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memory/3460-133-0x0000000000C10000-0x0000000000CD4000-memory.dmpFilesize
784KB
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memory/3460-134-0x0000000004E20000-0x00000000053C4000-memory.dmpFilesize
5.6MB
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memory/3460-135-0x0000000004C70000-0x0000000004D0C000-memory.dmpFilesize
624KB
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memory/3460-136-0x0000000004D90000-0x0000000004DF6000-memory.dmpFilesize
408KB
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memory/3460-137-0x0000000005730000-0x00000000057C2000-memory.dmpFilesize
584KB
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memory/3460-138-0x0000000006C80000-0x0000000006C8A000-memory.dmpFilesize
40KB
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memory/3460-139-0x0000000006BF0000-0x0000000006C40000-memory.dmpFilesize
320KB