Analysis
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max time kernel
47s -
max time network
62s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
14-04-2022 13:40
Static task
static1
Behavioral task
behavioral1
Sample
c9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
c9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0.exe
Resource
win10v2004-20220331-en
General
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Target
c9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0.exe
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Size
3.6MB
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MD5
8a4242d7f73d7dcbebc6c64e56fdf8c7
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SHA1
b974408e0879b1a2bce0bb9b95e6191d83f64ca2
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SHA256
c9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0
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SHA512
405eab4cad3965f225fb4e34cd877aeedf1e9f860c0f515f368b55b7d7d9a52e3806b737ef5dcb382a62ca815b788b0f3fa603fa8e7de47bc02cc6559110a258
Malware Config
Extracted
C:\Users\Admin\AppData\Local\AEF946DCB4\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:
c9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Control Panel\International\Geo\Nation c9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0.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:
c9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 c9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0.exe Key created \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 c9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0.exe Key created \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook c9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0.exe Key created \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 c9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0.exe Key queried \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook c9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0.exe Key created \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook c9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0.exe Key created \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook c9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0.exe Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 c9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0.exe Key created \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook c9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0.exe Key created \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 c9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0.exe Key queried \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook c9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0.exe Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 c9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0.exe Key created \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 c9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0.exe Key queried \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook c9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0.exe Key queried \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 c9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0.exe Key queried \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 c9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0.exe Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 c9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0.exe Key queried \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\17.0\Outlook\Profiles\Outlook c9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0.exe Key created \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook c9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0.exe Key queried \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 c9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0.exe Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 c9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0.exe Key created \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 c9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0.exe Key queried \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook c9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0.exe Key queried \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 c9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0.exe Key queried \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 c9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0.exe Key queried \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook c9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0.exe Key queried \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 c9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0.exe Key created \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 c9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0.exe Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 c9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0.exe Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 c9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0.exe Key created \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\18.0\Outlook\Profiles\Outlook c9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0.exe Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 c9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0.exe Key queried \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\19.0\Outlook\Profiles\Outlook c9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0.exe Key created \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook c9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0.exe Key queried \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 c9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
c9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows\CurrentVersion\Run\vlc = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\VideoLAN\\vlc.exe\"" c9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 4 api.ipify.org 5 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
c9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0.exedescription pid process target process PID 1988 set thread context of 1804 1988 c9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0.exe c9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0.exe -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
c9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0.exepid process 1804 c9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
c9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0.exepid process 1804 c9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0.exe 1804 c9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0.exe 1804 c9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0.exe 1804 c9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
c9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0.exec9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0.exedescription pid process Token: SeDebugPrivilege 1988 c9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0.exe Token: SeDebugPrivilege 1804 c9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
c9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0.exepid process 1804 c9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
c9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0.exedescription pid process target process PID 1988 wrote to memory of 1804 1988 c9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0.exe c9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0.exe PID 1988 wrote to memory of 1804 1988 c9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0.exe c9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0.exe PID 1988 wrote to memory of 1804 1988 c9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0.exe c9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0.exe PID 1988 wrote to memory of 1804 1988 c9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0.exe c9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0.exe PID 1988 wrote to memory of 1804 1988 c9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0.exe c9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0.exe PID 1988 wrote to memory of 1804 1988 c9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0.exe c9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0.exe PID 1988 wrote to memory of 1804 1988 c9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0.exe c9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0.exe PID 1988 wrote to memory of 1804 1988 c9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0.exe c9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0.exe PID 1988 wrote to memory of 1804 1988 c9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0.exe c9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0.exe -
outlook_office_path 1 IoCs
Processes:
c9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0.exedescription ioc process Key queried \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\20.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 c9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0.exe -
outlook_win_path 1 IoCs
Processes:
c9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0.exedescription ioc process Key queried \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 c9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\c9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0.exe"C:\Users\Admin\AppData\Local\Temp\c9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1988 -
C:\Users\Admin\AppData\Local\Temp\c9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0.exe"C:\Users\Admin\AppData\Local\Temp\c9a8b16591a76cfdccc1a84fae7ec51c02e42e41e2ef8923319692cd2a4f65d0.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:1804
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