Analysis
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max time kernel
142s -
max time network
139s -
platform
windows10-2004_x64 -
resource
win10v2004-20220310-en -
submitted
26-03-2022 16:24
Static task
static1
Behavioral task
behavioral1
Sample
f9548d4c7723aa9facd483bfd30b520961db98087ac08fd7ddb7550410b5d691.exe
Resource
win7-20220311-en
Behavioral task
behavioral2
Sample
f9548d4c7723aa9facd483bfd30b520961db98087ac08fd7ddb7550410b5d691.exe
Resource
win10v2004-20220310-en
General
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Target
f9548d4c7723aa9facd483bfd30b520961db98087ac08fd7ddb7550410b5d691.exe
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Size
578KB
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MD5
db4be1a01dfea46c07083a9162281c61
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SHA1
f4d2a061df53b905850e1aecb2c007d200e38751
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SHA256
f9548d4c7723aa9facd483bfd30b520961db98087ac08fd7ddb7550410b5d691
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SHA512
fb92b2ce23378497d0b2b820e1029248bf8a669fcf02ed5e1d14e98ff14991a57ab3ddf41cbe40d4fc3fc083429f73a644ea7231f5b079e2e6831c10aad604cb
Malware Config
Signatures
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MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
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MassLogger Main Payload 1 IoCs
resource yara_rule behavioral2/memory/2792-139-0x0000000000400000-0x0000000000486000-memory.dmp family_masslogger -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2403053463-4052593947-3703345493-1000\Control Panel\International\Geo\Nation f9548d4c7723aa9facd483bfd30b520961db98087ac08fd7ddb7550410b5d691.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
description ioc Process Key queried \REGISTRY\USER\S-1-5-21-2403053463-4052593947-3703345493-1000\SOFTWARE\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f9548d4c7723aa9facd483bfd30b520961db98087ac08fd7ddb7550410b5d691.exe Key created \REGISTRY\USER\S-1-5-21-2403053463-4052593947-3703345493-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f9548d4c7723aa9facd483bfd30b520961db98087ac08fd7ddb7550410b5d691.exe Key created \REGISTRY\USER\S-1-5-21-2403053463-4052593947-3703345493-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook f9548d4c7723aa9facd483bfd30b520961db98087ac08fd7ddb7550410b5d691.exe Key created \REGISTRY\USER\S-1-5-21-2403053463-4052593947-3703345493-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f9548d4c7723aa9facd483bfd30b520961db98087ac08fd7ddb7550410b5d691.exe Key queried \REGISTRY\USER\S-1-5-21-2403053463-4052593947-3703345493-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f9548d4c7723aa9facd483bfd30b520961db98087ac08fd7ddb7550410b5d691.exe Key created \REGISTRY\USER\S-1-5-21-2403053463-4052593947-3703345493-1000\SOFTWARE\Microsoft\Office\17.0\Outlook\Profiles\Outlook f9548d4c7723aa9facd483bfd30b520961db98087ac08fd7ddb7550410b5d691.exe Key opened \REGISTRY\USER\S-1-5-21-2403053463-4052593947-3703345493-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f9548d4c7723aa9facd483bfd30b520961db98087ac08fd7ddb7550410b5d691.exe Key queried \REGISTRY\USER\S-1-5-21-2403053463-4052593947-3703345493-1000\SOFTWARE\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f9548d4c7723aa9facd483bfd30b520961db98087ac08fd7ddb7550410b5d691.exe Key created \REGISTRY\USER\S-1-5-21-2403053463-4052593947-3703345493-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f9548d4c7723aa9facd483bfd30b520961db98087ac08fd7ddb7550410b5d691.exe Key queried \REGISTRY\USER\S-1-5-21-2403053463-4052593947-3703345493-1000\SOFTWARE\Microsoft\Office\18.0\Outlook\Profiles\Outlook f9548d4c7723aa9facd483bfd30b520961db98087ac08fd7ddb7550410b5d691.exe Key opened \REGISTRY\USER\S-1-5-21-2403053463-4052593947-3703345493-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f9548d4c7723aa9facd483bfd30b520961db98087ac08fd7ddb7550410b5d691.exe Key queried \REGISTRY\USER\S-1-5-21-2403053463-4052593947-3703345493-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f9548d4c7723aa9facd483bfd30b520961db98087ac08fd7ddb7550410b5d691.exe Key queried \REGISTRY\USER\S-1-5-21-2403053463-4052593947-3703345493-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook f9548d4c7723aa9facd483bfd30b520961db98087ac08fd7ddb7550410b5d691.exe Key queried \REGISTRY\USER\S-1-5-21-2403053463-4052593947-3703345493-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f9548d4c7723aa9facd483bfd30b520961db98087ac08fd7ddb7550410b5d691.exe Key created \REGISTRY\USER\S-1-5-21-2403053463-4052593947-3703345493-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f9548d4c7723aa9facd483bfd30b520961db98087ac08fd7ddb7550410b5d691.exe Key opened \REGISTRY\USER\S-1-5-21-2403053463-4052593947-3703345493-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f9548d4c7723aa9facd483bfd30b520961db98087ac08fd7ddb7550410b5d691.exe Key created \REGISTRY\USER\S-1-5-21-2403053463-4052593947-3703345493-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook f9548d4c7723aa9facd483bfd30b520961db98087ac08fd7ddb7550410b5d691.exe Key queried \REGISTRY\USER\S-1-5-21-2403053463-4052593947-3703345493-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook f9548d4c7723aa9facd483bfd30b520961db98087ac08fd7ddb7550410b5d691.exe Key queried \REGISTRY\USER\S-1-5-21-2403053463-4052593947-3703345493-1000\SOFTWARE\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f9548d4c7723aa9facd483bfd30b520961db98087ac08fd7ddb7550410b5d691.exe Key created \REGISTRY\USER\S-1-5-21-2403053463-4052593947-3703345493-1000\SOFTWARE\Microsoft\Office\18.0\Outlook\Profiles\Outlook f9548d4c7723aa9facd483bfd30b520961db98087ac08fd7ddb7550410b5d691.exe Key created \REGISTRY\USER\S-1-5-21-2403053463-4052593947-3703345493-1000\SOFTWARE\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f9548d4c7723aa9facd483bfd30b520961db98087ac08fd7ddb7550410b5d691.exe Key created \REGISTRY\USER\S-1-5-21-2403053463-4052593947-3703345493-1000\SOFTWARE\Microsoft\Office\19.0\Outlook\Profiles\Outlook f9548d4c7723aa9facd483bfd30b520961db98087ac08fd7ddb7550410b5d691.exe Key created \REGISTRY\USER\S-1-5-21-2403053463-4052593947-3703345493-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f9548d4c7723aa9facd483bfd30b520961db98087ac08fd7ddb7550410b5d691.exe Key opened \REGISTRY\USER\S-1-5-21-2403053463-4052593947-3703345493-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f9548d4c7723aa9facd483bfd30b520961db98087ac08fd7ddb7550410b5d691.exe Key created \REGISTRY\USER\S-1-5-21-2403053463-4052593947-3703345493-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f9548d4c7723aa9facd483bfd30b520961db98087ac08fd7ddb7550410b5d691.exe Key opened \REGISTRY\USER\S-1-5-21-2403053463-4052593947-3703345493-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f9548d4c7723aa9facd483bfd30b520961db98087ac08fd7ddb7550410b5d691.exe Key queried \REGISTRY\USER\S-1-5-21-2403053463-4052593947-3703345493-1000\SOFTWARE\Microsoft\Office\19.0\Outlook\Profiles\Outlook f9548d4c7723aa9facd483bfd30b520961db98087ac08fd7ddb7550410b5d691.exe Key queried \REGISTRY\USER\S-1-5-21-2403053463-4052593947-3703345493-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook f9548d4c7723aa9facd483bfd30b520961db98087ac08fd7ddb7550410b5d691.exe Key created \REGISTRY\USER\S-1-5-21-2403053463-4052593947-3703345493-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f9548d4c7723aa9facd483bfd30b520961db98087ac08fd7ddb7550410b5d691.exe Key created \REGISTRY\USER\S-1-5-21-2403053463-4052593947-3703345493-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f9548d4c7723aa9facd483bfd30b520961db98087ac08fd7ddb7550410b5d691.exe Key queried \REGISTRY\USER\S-1-5-21-2403053463-4052593947-3703345493-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook f9548d4c7723aa9facd483bfd30b520961db98087ac08fd7ddb7550410b5d691.exe Key created \REGISTRY\USER\S-1-5-21-2403053463-4052593947-3703345493-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f9548d4c7723aa9facd483bfd30b520961db98087ac08fd7ddb7550410b5d691.exe Key queried \REGISTRY\USER\S-1-5-21-2403053463-4052593947-3703345493-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f9548d4c7723aa9facd483bfd30b520961db98087ac08fd7ddb7550410b5d691.exe Key created \REGISTRY\USER\S-1-5-21-2403053463-4052593947-3703345493-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook f9548d4c7723aa9facd483bfd30b520961db98087ac08fd7ddb7550410b5d691.exe Key created \REGISTRY\USER\S-1-5-21-2403053463-4052593947-3703345493-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f9548d4c7723aa9facd483bfd30b520961db98087ac08fd7ddb7550410b5d691.exe Key opened \REGISTRY\USER\S-1-5-21-2403053463-4052593947-3703345493-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f9548d4c7723aa9facd483bfd30b520961db98087ac08fd7ddb7550410b5d691.exe Key created \REGISTRY\USER\S-1-5-21-2403053463-4052593947-3703345493-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook f9548d4c7723aa9facd483bfd30b520961db98087ac08fd7ddb7550410b5d691.exe Key opened \REGISTRY\USER\S-1-5-21-2403053463-4052593947-3703345493-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f9548d4c7723aa9facd483bfd30b520961db98087ac08fd7ddb7550410b5d691.exe Key created \REGISTRY\USER\S-1-5-21-2403053463-4052593947-3703345493-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f9548d4c7723aa9facd483bfd30b520961db98087ac08fd7ddb7550410b5d691.exe Key created \REGISTRY\USER\S-1-5-21-2403053463-4052593947-3703345493-1000\SOFTWARE\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f9548d4c7723aa9facd483bfd30b520961db98087ac08fd7ddb7550410b5d691.exe Key queried \REGISTRY\USER\S-1-5-21-2403053463-4052593947-3703345493-1000\SOFTWARE\Microsoft\Office\17.0\Outlook\Profiles\Outlook f9548d4c7723aa9facd483bfd30b520961db98087ac08fd7ddb7550410b5d691.exe Key created \REGISTRY\USER\S-1-5-21-2403053463-4052593947-3703345493-1000\SOFTWARE\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f9548d4c7723aa9facd483bfd30b520961db98087ac08fd7ddb7550410b5d691.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2403053463-4052593947-3703345493-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vlc = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\VideoLAN\\vlc.exe\"" f9548d4c7723aa9facd483bfd30b520961db98087ac08fd7ddb7550410b5d691.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.
flow ioc 37 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 836 set thread context of 2792 836 f9548d4c7723aa9facd483bfd30b520961db98087ac08fd7ddb7550410b5d691.exe 87 -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 2792 f9548d4c7723aa9facd483bfd30b520961db98087ac08fd7ddb7550410b5d691.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 2792 f9548d4c7723aa9facd483bfd30b520961db98087ac08fd7ddb7550410b5d691.exe 2792 f9548d4c7723aa9facd483bfd30b520961db98087ac08fd7ddb7550410b5d691.exe 2792 f9548d4c7723aa9facd483bfd30b520961db98087ac08fd7ddb7550410b5d691.exe 2792 f9548d4c7723aa9facd483bfd30b520961db98087ac08fd7ddb7550410b5d691.exe 2792 f9548d4c7723aa9facd483bfd30b520961db98087ac08fd7ddb7550410b5d691.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 836 f9548d4c7723aa9facd483bfd30b520961db98087ac08fd7ddb7550410b5d691.exe Token: SeDebugPrivilege 2792 f9548d4c7723aa9facd483bfd30b520961db98087ac08fd7ddb7550410b5d691.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2792 f9548d4c7723aa9facd483bfd30b520961db98087ac08fd7ddb7550410b5d691.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 836 wrote to memory of 2792 836 f9548d4c7723aa9facd483bfd30b520961db98087ac08fd7ddb7550410b5d691.exe 87 PID 836 wrote to memory of 2792 836 f9548d4c7723aa9facd483bfd30b520961db98087ac08fd7ddb7550410b5d691.exe 87 PID 836 wrote to memory of 2792 836 f9548d4c7723aa9facd483bfd30b520961db98087ac08fd7ddb7550410b5d691.exe 87 PID 836 wrote to memory of 2792 836 f9548d4c7723aa9facd483bfd30b520961db98087ac08fd7ddb7550410b5d691.exe 87 PID 836 wrote to memory of 2792 836 f9548d4c7723aa9facd483bfd30b520961db98087ac08fd7ddb7550410b5d691.exe 87 PID 836 wrote to memory of 2792 836 f9548d4c7723aa9facd483bfd30b520961db98087ac08fd7ddb7550410b5d691.exe 87 PID 836 wrote to memory of 2792 836 f9548d4c7723aa9facd483bfd30b520961db98087ac08fd7ddb7550410b5d691.exe 87 PID 836 wrote to memory of 2792 836 f9548d4c7723aa9facd483bfd30b520961db98087ac08fd7ddb7550410b5d691.exe 87 -
outlook_office_path 1 IoCs
description ioc Process Key queried \REGISTRY\USER\S-1-5-21-2403053463-4052593947-3703345493-1000\SOFTWARE\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f9548d4c7723aa9facd483bfd30b520961db98087ac08fd7ddb7550410b5d691.exe -
outlook_win_path 1 IoCs
description ioc Process Key queried \REGISTRY\USER\S-1-5-21-2403053463-4052593947-3703345493-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f9548d4c7723aa9facd483bfd30b520961db98087ac08fd7ddb7550410b5d691.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\f9548d4c7723aa9facd483bfd30b520961db98087ac08fd7ddb7550410b5d691.exe"C:\Users\Admin\AppData\Local\Temp\f9548d4c7723aa9facd483bfd30b520961db98087ac08fd7ddb7550410b5d691.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:836 -
C:\Users\Admin\AppData\Local\Temp\f9548d4c7723aa9facd483bfd30b520961db98087ac08fd7ddb7550410b5d691.exe"C:\Users\Admin\AppData\Local\Temp\f9548d4c7723aa9facd483bfd30b520961db98087ac08fd7ddb7550410b5d691.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
PID:2792
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\f9548d4c7723aa9facd483bfd30b520961db98087ac08fd7ddb7550410b5d691.exe.log
Filesize1KB
MD57ebe314bf617dc3e48b995a6c352740c
SHA1538f643b7b30f9231a3035c448607f767527a870
SHA25648178f884b8a4dd96e330b210b0530667d9473a7629fc6b4ad12b614bf438ee8
SHA5120ba9d8f4244c15285e254d27b4bff7c49344ff845c48bc0bf0d8563072fab4d6f7a6abe6b6742e8375a08e9a3b3e5d5dc4937ab428dbe2dd8e62892fda04507e