Analysis
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max time kernel
94s -
max time network
171s -
platform
windows7_x64 -
resource
win7-20220331-en -
submitted
14-04-2022 13:33
Static task
static1
Behavioral task
behavioral1
Sample
fd9b86e1c1cbb3597f1f97a3b8d6ca3fa6054fea738bfe94e2d7593b907f8a5f.exe
Resource
win7-20220331-en
Behavioral task
behavioral2
Sample
fd9b86e1c1cbb3597f1f97a3b8d6ca3fa6054fea738bfe94e2d7593b907f8a5f.exe
Resource
win10v2004-20220331-en
General
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Target
fd9b86e1c1cbb3597f1f97a3b8d6ca3fa6054fea738bfe94e2d7593b907f8a5f.exe
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Size
1.3MB
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MD5
f7e371f630e60e348a82878dcc32ec12
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SHA1
1223b3f7eb9281667e90e052f2b064d24fc4a292
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SHA256
fd9b86e1c1cbb3597f1f97a3b8d6ca3fa6054fea738bfe94e2d7593b907f8a5f
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SHA512
64f5a9102201519224d9270000a68e39890bacd09442c86b1beb6a31e732940ef495ab0198cde50906d5e6ff3344b963366fa58fe1c783d4468546a713bb4627
Malware Config
Extracted
C:\Users\Admin\AppData\Local\2292315540\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 Main Payload 6 IoCs
resource yara_rule behavioral1/memory/1332-60-0x0000000000400000-0x000000000049A000-memory.dmp family_masslogger behavioral1/memory/1332-61-0x0000000000400000-0x000000000049A000-memory.dmp family_masslogger behavioral1/memory/1332-62-0x0000000000400000-0x000000000049A000-memory.dmp family_masslogger behavioral1/memory/1332-63-0x00000000004948CE-mapping.dmp family_masslogger behavioral1/memory/1332-65-0x0000000000400000-0x000000000049A000-memory.dmp family_masslogger behavioral1/memory/1332-67-0x0000000000400000-0x000000000049A000-memory.dmp family_masslogger -
MassLogger log file 1 IoCs
Detects a log file produced by MassLogger.
yara_rule masslogger_log_file -
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-1-5-21-594401021-1341801952-2355885667-1000\Control Panel\International\Geo\Nation fd9b86e1c1cbb3597f1f97a3b8d6ca3fa6054fea738bfe94e2d7593b907f8a5f.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
description ioc Process Key created \REGISTRY\USER\S-1-5-21-594401021-1341801952-2355885667-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 fd9b86e1c1cbb3597f1f97a3b8d6ca3fa6054fea738bfe94e2d7593b907f8a5f.exe Key created \REGISTRY\USER\S-1-5-21-594401021-1341801952-2355885667-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 fd9b86e1c1cbb3597f1f97a3b8d6ca3fa6054fea738bfe94e2d7593b907f8a5f.exe Key opened \REGISTRY\USER\S-1-5-21-594401021-1341801952-2355885667-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 fd9b86e1c1cbb3597f1f97a3b8d6ca3fa6054fea738bfe94e2d7593b907f8a5f.exe Key opened \REGISTRY\USER\S-1-5-21-594401021-1341801952-2355885667-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 fd9b86e1c1cbb3597f1f97a3b8d6ca3fa6054fea738bfe94e2d7593b907f8a5f.exe Key created \REGISTRY\USER\S-1-5-21-594401021-1341801952-2355885667-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 fd9b86e1c1cbb3597f1f97a3b8d6ca3fa6054fea738bfe94e2d7593b907f8a5f.exe Key queried \REGISTRY\USER\S-1-5-21-594401021-1341801952-2355885667-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook fd9b86e1c1cbb3597f1f97a3b8d6ca3fa6054fea738bfe94e2d7593b907f8a5f.exe Key created \REGISTRY\USER\S-1-5-21-594401021-1341801952-2355885667-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook fd9b86e1c1cbb3597f1f97a3b8d6ca3fa6054fea738bfe94e2d7593b907f8a5f.exe Key queried \REGISTRY\USER\S-1-5-21-594401021-1341801952-2355885667-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook fd9b86e1c1cbb3597f1f97a3b8d6ca3fa6054fea738bfe94e2d7593b907f8a5f.exe Key opened \REGISTRY\USER\S-1-5-21-594401021-1341801952-2355885667-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 fd9b86e1c1cbb3597f1f97a3b8d6ca3fa6054fea738bfe94e2d7593b907f8a5f.exe Key created \REGISTRY\USER\S-1-5-21-594401021-1341801952-2355885667-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 fd9b86e1c1cbb3597f1f97a3b8d6ca3fa6054fea738bfe94e2d7593b907f8a5f.exe Key opened \REGISTRY\USER\S-1-5-21-594401021-1341801952-2355885667-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 fd9b86e1c1cbb3597f1f97a3b8d6ca3fa6054fea738bfe94e2d7593b907f8a5f.exe Key created \REGISTRY\USER\S-1-5-21-594401021-1341801952-2355885667-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 fd9b86e1c1cbb3597f1f97a3b8d6ca3fa6054fea738bfe94e2d7593b907f8a5f.exe Key queried \REGISTRY\USER\S-1-5-21-594401021-1341801952-2355885667-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 fd9b86e1c1cbb3597f1f97a3b8d6ca3fa6054fea738bfe94e2d7593b907f8a5f.exe Key opened \REGISTRY\USER\S-1-5-21-594401021-1341801952-2355885667-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 fd9b86e1c1cbb3597f1f97a3b8d6ca3fa6054fea738bfe94e2d7593b907f8a5f.exe Key queried \REGISTRY\USER\S-1-5-21-594401021-1341801952-2355885667-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 fd9b86e1c1cbb3597f1f97a3b8d6ca3fa6054fea738bfe94e2d7593b907f8a5f.exe Key queried \REGISTRY\USER\S-1-5-21-594401021-1341801952-2355885667-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 fd9b86e1c1cbb3597f1f97a3b8d6ca3fa6054fea738bfe94e2d7593b907f8a5f.exe Key opened \REGISTRY\USER\S-1-5-21-594401021-1341801952-2355885667-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 fd9b86e1c1cbb3597f1f97a3b8d6ca3fa6054fea738bfe94e2d7593b907f8a5f.exe Key queried \REGISTRY\USER\S-1-5-21-594401021-1341801952-2355885667-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 fd9b86e1c1cbb3597f1f97a3b8d6ca3fa6054fea738bfe94e2d7593b907f8a5f.exe Key queried \REGISTRY\USER\S-1-5-21-594401021-1341801952-2355885667-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook fd9b86e1c1cbb3597f1f97a3b8d6ca3fa6054fea738bfe94e2d7593b907f8a5f.exe Key opened \REGISTRY\USER\S-1-5-21-594401021-1341801952-2355885667-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 fd9b86e1c1cbb3597f1f97a3b8d6ca3fa6054fea738bfe94e2d7593b907f8a5f.exe Key created \REGISTRY\USER\S-1-5-21-594401021-1341801952-2355885667-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook fd9b86e1c1cbb3597f1f97a3b8d6ca3fa6054fea738bfe94e2d7593b907f8a5f.exe Key created \REGISTRY\USER\S-1-5-21-594401021-1341801952-2355885667-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook fd9b86e1c1cbb3597f1f97a3b8d6ca3fa6054fea738bfe94e2d7593b907f8a5f.exe Key created \REGISTRY\USER\S-1-5-21-594401021-1341801952-2355885667-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 fd9b86e1c1cbb3597f1f97a3b8d6ca3fa6054fea738bfe94e2d7593b907f8a5f.exe Key queried \REGISTRY\USER\S-1-5-21-594401021-1341801952-2355885667-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook fd9b86e1c1cbb3597f1f97a3b8d6ca3fa6054fea738bfe94e2d7593b907f8a5f.exe Key queried \REGISTRY\USER\S-1-5-21-594401021-1341801952-2355885667-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook fd9b86e1c1cbb3597f1f97a3b8d6ca3fa6054fea738bfe94e2d7593b907f8a5f.exe Key queried \REGISTRY\USER\S-1-5-21-594401021-1341801952-2355885667-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 fd9b86e1c1cbb3597f1f97a3b8d6ca3fa6054fea738bfe94e2d7593b907f8a5f.exe Key created \REGISTRY\USER\S-1-5-21-594401021-1341801952-2355885667-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 fd9b86e1c1cbb3597f1f97a3b8d6ca3fa6054fea738bfe94e2d7593b907f8a5f.exe Key queried \REGISTRY\USER\S-1-5-21-594401021-1341801952-2355885667-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook fd9b86e1c1cbb3597f1f97a3b8d6ca3fa6054fea738bfe94e2d7593b907f8a5f.exe Key created \REGISTRY\USER\S-1-5-21-594401021-1341801952-2355885667-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook fd9b86e1c1cbb3597f1f97a3b8d6ca3fa6054fea738bfe94e2d7593b907f8a5f.exe Key created \REGISTRY\USER\S-1-5-21-594401021-1341801952-2355885667-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook fd9b86e1c1cbb3597f1f97a3b8d6ca3fa6054fea738bfe94e2d7593b907f8a5f.exe Key created \REGISTRY\USER\S-1-5-21-594401021-1341801952-2355885667-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook fd9b86e1c1cbb3597f1f97a3b8d6ca3fa6054fea738bfe94e2d7593b907f8a5f.exe Key queried \REGISTRY\USER\S-1-5-21-594401021-1341801952-2355885667-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 fd9b86e1c1cbb3597f1f97a3b8d6ca3fa6054fea738bfe94e2d7593b907f8a5f.exe Key created \REGISTRY\USER\S-1-5-21-594401021-1341801952-2355885667-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook fd9b86e1c1cbb3597f1f97a3b8d6ca3fa6054fea738bfe94e2d7593b907f8a5f.exe Key queried \REGISTRY\USER\S-1-5-21-594401021-1341801952-2355885667-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 fd9b86e1c1cbb3597f1f97a3b8d6ca3fa6054fea738bfe94e2d7593b907f8a5f.exe Key queried \REGISTRY\USER\S-1-5-21-594401021-1341801952-2355885667-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook fd9b86e1c1cbb3597f1f97a3b8d6ca3fa6054fea738bfe94e2d7593b907f8a5f.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-594401021-1341801952-2355885667-1000\Software\Microsoft\Windows\CurrentVersion\Run\vlc = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\VideoLAN\\vlc.exe\"" fd9b86e1c1cbb3597f1f97a3b8d6ca3fa6054fea738bfe94e2d7593b907f8a5f.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 4 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 836 set thread context of 1332 836 fd9b86e1c1cbb3597f1f97a3b8d6ca3fa6054fea738bfe94e2d7593b907f8a5f.exe 28 -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 1332 fd9b86e1c1cbb3597f1f97a3b8d6ca3fa6054fea738bfe94e2d7593b907f8a5f.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1332 fd9b86e1c1cbb3597f1f97a3b8d6ca3fa6054fea738bfe94e2d7593b907f8a5f.exe 1332 fd9b86e1c1cbb3597f1f97a3b8d6ca3fa6054fea738bfe94e2d7593b907f8a5f.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 836 fd9b86e1c1cbb3597f1f97a3b8d6ca3fa6054fea738bfe94e2d7593b907f8a5f.exe Token: SeDebugPrivilege 1332 fd9b86e1c1cbb3597f1f97a3b8d6ca3fa6054fea738bfe94e2d7593b907f8a5f.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1332 fd9b86e1c1cbb3597f1f97a3b8d6ca3fa6054fea738bfe94e2d7593b907f8a5f.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 836 wrote to memory of 1332 836 fd9b86e1c1cbb3597f1f97a3b8d6ca3fa6054fea738bfe94e2d7593b907f8a5f.exe 28 PID 836 wrote to memory of 1332 836 fd9b86e1c1cbb3597f1f97a3b8d6ca3fa6054fea738bfe94e2d7593b907f8a5f.exe 28 PID 836 wrote to memory of 1332 836 fd9b86e1c1cbb3597f1f97a3b8d6ca3fa6054fea738bfe94e2d7593b907f8a5f.exe 28 PID 836 wrote to memory of 1332 836 fd9b86e1c1cbb3597f1f97a3b8d6ca3fa6054fea738bfe94e2d7593b907f8a5f.exe 28 PID 836 wrote to memory of 1332 836 fd9b86e1c1cbb3597f1f97a3b8d6ca3fa6054fea738bfe94e2d7593b907f8a5f.exe 28 PID 836 wrote to memory of 1332 836 fd9b86e1c1cbb3597f1f97a3b8d6ca3fa6054fea738bfe94e2d7593b907f8a5f.exe 28 PID 836 wrote to memory of 1332 836 fd9b86e1c1cbb3597f1f97a3b8d6ca3fa6054fea738bfe94e2d7593b907f8a5f.exe 28 PID 836 wrote to memory of 1332 836 fd9b86e1c1cbb3597f1f97a3b8d6ca3fa6054fea738bfe94e2d7593b907f8a5f.exe 28 PID 836 wrote to memory of 1332 836 fd9b86e1c1cbb3597f1f97a3b8d6ca3fa6054fea738bfe94e2d7593b907f8a5f.exe 28 -
outlook_office_path 1 IoCs
description ioc Process Key queried \REGISTRY\USER\S-1-5-21-594401021-1341801952-2355885667-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 fd9b86e1c1cbb3597f1f97a3b8d6ca3fa6054fea738bfe94e2d7593b907f8a5f.exe -
outlook_win_path 1 IoCs
description ioc Process Key queried \REGISTRY\USER\S-1-5-21-594401021-1341801952-2355885667-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 fd9b86e1c1cbb3597f1f97a3b8d6ca3fa6054fea738bfe94e2d7593b907f8a5f.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\fd9b86e1c1cbb3597f1f97a3b8d6ca3fa6054fea738bfe94e2d7593b907f8a5f.exe"C:\Users\Admin\AppData\Local\Temp\fd9b86e1c1cbb3597f1f97a3b8d6ca3fa6054fea738bfe94e2d7593b907f8a5f.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\fd9b86e1c1cbb3597f1f97a3b8d6ca3fa6054fea738bfe94e2d7593b907f8a5f.exe"C:\Users\Admin\AppData\Local\Temp\fd9b86e1c1cbb3597f1f97a3b8d6ca3fa6054fea738bfe94e2d7593b907f8a5f.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:1332
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