Analysis
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max time kernel
4294181s -
max time network
143s -
platform
windows7_x64 -
resource
win7-20220311-en -
submitted
14-04-2022 13:36
Static task
static1
Behavioral task
behavioral1
Sample
3d44d7bea2dcf261e79424004a4e05c721ce1d8fe4fd7c5b0785d6fbf4a17c93.exe
Resource
win7-20220311-en
Behavioral task
behavioral2
Sample
3d44d7bea2dcf261e79424004a4e05c721ce1d8fe4fd7c5b0785d6fbf4a17c93.exe
Resource
win10v2004-20220331-en
General
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Target
3d44d7bea2dcf261e79424004a4e05c721ce1d8fe4fd7c5b0785d6fbf4a17c93.exe
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Size
1.4MB
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MD5
b7890da54f9e83507f1316e9198fa9c8
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SHA1
7367430eba6c00c6a459c7aaec5326527c7097b1
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SHA256
3d44d7bea2dcf261e79424004a4e05c721ce1d8fe4fd7c5b0785d6fbf4a17c93
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SHA512
ba1108c728d61bfd4dfa965e233f36799970b4dfb296d6aa4f3be741d51d30787c0afe521129a9e3bb015400be7f1be789395e5a78440a56603af038eb8746a2
Malware Config
Extracted
C:\Users\Admin\AppData\Local\23C2295DA4\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.
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-1-5-21-2199625441-3471261906-229485034-1000\Control Panel\International\Geo\Nation 3d44d7bea2dcf261e79424004a4e05c721ce1d8fe4fd7c5b0785d6fbf4a17c93.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-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook 3d44d7bea2dcf261e79424004a4e05c721ce1d8fe4fd7c5b0785d6fbf4a17c93.exe Key created \REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook 3d44d7bea2dcf261e79424004a4e05c721ce1d8fe4fd7c5b0785d6fbf4a17c93.exe Key created \REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook 3d44d7bea2dcf261e79424004a4e05c721ce1d8fe4fd7c5b0785d6fbf4a17c93.exe Key queried \REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook 3d44d7bea2dcf261e79424004a4e05c721ce1d8fe4fd7c5b0785d6fbf4a17c93.exe Key queried \REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 3d44d7bea2dcf261e79424004a4e05c721ce1d8fe4fd7c5b0785d6fbf4a17c93.exe Key created \REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 3d44d7bea2dcf261e79424004a4e05c721ce1d8fe4fd7c5b0785d6fbf4a17c93.exe Key queried \REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 3d44d7bea2dcf261e79424004a4e05c721ce1d8fe4fd7c5b0785d6fbf4a17c93.exe Key created \REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 3d44d7bea2dcf261e79424004a4e05c721ce1d8fe4fd7c5b0785d6fbf4a17c93.exe Key created \REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 3d44d7bea2dcf261e79424004a4e05c721ce1d8fe4fd7c5b0785d6fbf4a17c93.exe Key queried \REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 3d44d7bea2dcf261e79424004a4e05c721ce1d8fe4fd7c5b0785d6fbf4a17c93.exe Key queried \REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook 3d44d7bea2dcf261e79424004a4e05c721ce1d8fe4fd7c5b0785d6fbf4a17c93.exe Key opened \REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 3d44d7bea2dcf261e79424004a4e05c721ce1d8fe4fd7c5b0785d6fbf4a17c93.exe Key created \REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook 3d44d7bea2dcf261e79424004a4e05c721ce1d8fe4fd7c5b0785d6fbf4a17c93.exe Key queried \REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 3d44d7bea2dcf261e79424004a4e05c721ce1d8fe4fd7c5b0785d6fbf4a17c93.exe Key created \REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook 3d44d7bea2dcf261e79424004a4e05c721ce1d8fe4fd7c5b0785d6fbf4a17c93.exe Key created \REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 3d44d7bea2dcf261e79424004a4e05c721ce1d8fe4fd7c5b0785d6fbf4a17c93.exe Key queried \REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 3d44d7bea2dcf261e79424004a4e05c721ce1d8fe4fd7c5b0785d6fbf4a17c93.exe Key opened \REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 3d44d7bea2dcf261e79424004a4e05c721ce1d8fe4fd7c5b0785d6fbf4a17c93.exe Key created \REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 3d44d7bea2dcf261e79424004a4e05c721ce1d8fe4fd7c5b0785d6fbf4a17c93.exe Key opened \REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 3d44d7bea2dcf261e79424004a4e05c721ce1d8fe4fd7c5b0785d6fbf4a17c93.exe Key queried \REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 3d44d7bea2dcf261e79424004a4e05c721ce1d8fe4fd7c5b0785d6fbf4a17c93.exe Key created \REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook 3d44d7bea2dcf261e79424004a4e05c721ce1d8fe4fd7c5b0785d6fbf4a17c93.exe Key queried \REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook 3d44d7bea2dcf261e79424004a4e05c721ce1d8fe4fd7c5b0785d6fbf4a17c93.exe Key queried \REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook 3d44d7bea2dcf261e79424004a4e05c721ce1d8fe4fd7c5b0785d6fbf4a17c93.exe Key created \REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 3d44d7bea2dcf261e79424004a4e05c721ce1d8fe4fd7c5b0785d6fbf4a17c93.exe Key opened \REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 3d44d7bea2dcf261e79424004a4e05c721ce1d8fe4fd7c5b0785d6fbf4a17c93.exe Key queried \REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook 3d44d7bea2dcf261e79424004a4e05c721ce1d8fe4fd7c5b0785d6fbf4a17c93.exe Key queried \REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook 3d44d7bea2dcf261e79424004a4e05c721ce1d8fe4fd7c5b0785d6fbf4a17c93.exe Key opened \REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 3d44d7bea2dcf261e79424004a4e05c721ce1d8fe4fd7c5b0785d6fbf4a17c93.exe Key opened \REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 3d44d7bea2dcf261e79424004a4e05c721ce1d8fe4fd7c5b0785d6fbf4a17c93.exe Key created \REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook 3d44d7bea2dcf261e79424004a4e05c721ce1d8fe4fd7c5b0785d6fbf4a17c93.exe Key queried \REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 3d44d7bea2dcf261e79424004a4e05c721ce1d8fe4fd7c5b0785d6fbf4a17c93.exe Key opened \REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 3d44d7bea2dcf261e79424004a4e05c721ce1d8fe4fd7c5b0785d6fbf4a17c93.exe Key queried \REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook 3d44d7bea2dcf261e79424004a4e05c721ce1d8fe4fd7c5b0785d6fbf4a17c93.exe Key created \REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 3d44d7bea2dcf261e79424004a4e05c721ce1d8fe4fd7c5b0785d6fbf4a17c93.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Windows\CurrentVersion\Run\vlc = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\VideoLAN\\vlc.exe\"" 3d44d7bea2dcf261e79424004a4e05c721ce1d8fe4fd7c5b0785d6fbf4a17c93.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 1368 set thread context of 652 1368 3d44d7bea2dcf261e79424004a4e05c721ce1d8fe4fd7c5b0785d6fbf4a17c93.exe 27 -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 652 3d44d7bea2dcf261e79424004a4e05c721ce1d8fe4fd7c5b0785d6fbf4a17c93.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 652 3d44d7bea2dcf261e79424004a4e05c721ce1d8fe4fd7c5b0785d6fbf4a17c93.exe 652 3d44d7bea2dcf261e79424004a4e05c721ce1d8fe4fd7c5b0785d6fbf4a17c93.exe 652 3d44d7bea2dcf261e79424004a4e05c721ce1d8fe4fd7c5b0785d6fbf4a17c93.exe 652 3d44d7bea2dcf261e79424004a4e05c721ce1d8fe4fd7c5b0785d6fbf4a17c93.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1368 3d44d7bea2dcf261e79424004a4e05c721ce1d8fe4fd7c5b0785d6fbf4a17c93.exe Token: SeDebugPrivilege 652 3d44d7bea2dcf261e79424004a4e05c721ce1d8fe4fd7c5b0785d6fbf4a17c93.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 652 3d44d7bea2dcf261e79424004a4e05c721ce1d8fe4fd7c5b0785d6fbf4a17c93.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1368 wrote to memory of 652 1368 3d44d7bea2dcf261e79424004a4e05c721ce1d8fe4fd7c5b0785d6fbf4a17c93.exe 27 PID 1368 wrote to memory of 652 1368 3d44d7bea2dcf261e79424004a4e05c721ce1d8fe4fd7c5b0785d6fbf4a17c93.exe 27 PID 1368 wrote to memory of 652 1368 3d44d7bea2dcf261e79424004a4e05c721ce1d8fe4fd7c5b0785d6fbf4a17c93.exe 27 PID 1368 wrote to memory of 652 1368 3d44d7bea2dcf261e79424004a4e05c721ce1d8fe4fd7c5b0785d6fbf4a17c93.exe 27 PID 1368 wrote to memory of 652 1368 3d44d7bea2dcf261e79424004a4e05c721ce1d8fe4fd7c5b0785d6fbf4a17c93.exe 27 PID 1368 wrote to memory of 652 1368 3d44d7bea2dcf261e79424004a4e05c721ce1d8fe4fd7c5b0785d6fbf4a17c93.exe 27 PID 1368 wrote to memory of 652 1368 3d44d7bea2dcf261e79424004a4e05c721ce1d8fe4fd7c5b0785d6fbf4a17c93.exe 27 PID 1368 wrote to memory of 652 1368 3d44d7bea2dcf261e79424004a4e05c721ce1d8fe4fd7c5b0785d6fbf4a17c93.exe 27 PID 1368 wrote to memory of 652 1368 3d44d7bea2dcf261e79424004a4e05c721ce1d8fe4fd7c5b0785d6fbf4a17c93.exe 27 -
outlook_office_path 1 IoCs
description ioc Process Key queried \REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 3d44d7bea2dcf261e79424004a4e05c721ce1d8fe4fd7c5b0785d6fbf4a17c93.exe -
outlook_win_path 1 IoCs
description ioc Process Key queried \REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 3d44d7bea2dcf261e79424004a4e05c721ce1d8fe4fd7c5b0785d6fbf4a17c93.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\3d44d7bea2dcf261e79424004a4e05c721ce1d8fe4fd7c5b0785d6fbf4a17c93.exe"C:\Users\Admin\AppData\Local\Temp\3d44d7bea2dcf261e79424004a4e05c721ce1d8fe4fd7c5b0785d6fbf4a17c93.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1368 -
C:\Users\Admin\AppData\Local\Temp\3d44d7bea2dcf261e79424004a4e05c721ce1d8fe4fd7c5b0785d6fbf4a17c93.exe"C:\Users\Admin\AppData\Local\Temp\3d44d7bea2dcf261e79424004a4e05c721ce1d8fe4fd7c5b0785d6fbf4a17c93.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:652
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