Analysis
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max time kernel
90s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
26-11-2022 00:23
Static task
static1
Behavioral task
behavioral1
Sample
8f47cec3040c7c9fcf77deb3ee2c794e605c66c142f402ffeb38d0451ac9c3c9.exe
Resource
win10v2004-20220901-en
General
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Target
8f47cec3040c7c9fcf77deb3ee2c794e605c66c142f402ffeb38d0451ac9c3c9.exe
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Size
265KB
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MD5
16d5bb71cd8b410cdde68344172ce826
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SHA1
a9a7999d33708c5dc55aa6f7e4649995b2fe9201
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SHA256
8f47cec3040c7c9fcf77deb3ee2c794e605c66c142f402ffeb38d0451ac9c3c9
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SHA512
ff6101e7d6ab639c7db8cb7656f8c757048246fb2ee5f214a4b969cca894a55b81a1044d776396f311675453faef402ef2aeb8ad648316319c0bbfa4a881e433
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SSDEEP
3072:ohNhrDI0wRH/Vs9/j2NiMen421sFKBRc8IYqfXvo4JEf40tQ0FN:Ek0wRH/Vs9/gin42kCDr+wi0tQ
Malware Config
Signatures
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Blocklisted process makes network request 2 IoCs
Processes:
rundll32.exeflow pid process 55 2864 rundll32.exe 63 2864 rundll32.exe -
Loads dropped DLL 1 IoCs
Processes:
rundll32.exepid process 2864 rundll32.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 6 IoCs
Processes:
rundll32.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook rundll32.exe Key opened \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook rundll32.exe Key opened \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook rundll32.exe Key opened \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook rundll32.exe Key opened \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\10.0\Outlook\Profiles\Outlook rundll32.exe Key opened \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook rundll32.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs
Processes:
AddInProcess32.exepid process 4780 AddInProcess32.exe 4780 AddInProcess32.exe 4780 AddInProcess32.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
8f47cec3040c7c9fcf77deb3ee2c794e605c66c142f402ffeb38d0451ac9c3c9.exedescription pid process target process PID 4956 set thread context of 4780 4956 8f47cec3040c7c9fcf77deb3ee2c794e605c66c142f402ffeb38d0451ac9c3c9.exe AddInProcess32.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 3836 2864 WerFault.exe rundll32.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
rundll32.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString rundll32.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
8f47cec3040c7c9fcf77deb3ee2c794e605c66c142f402ffeb38d0451ac9c3c9.exerundll32.exepid process 4956 8f47cec3040c7c9fcf77deb3ee2c794e605c66c142f402ffeb38d0451ac9c3c9.exe 4956 8f47cec3040c7c9fcf77deb3ee2c794e605c66c142f402ffeb38d0451ac9c3c9.exe 2864 rundll32.exe 2864 rundll32.exe 2864 rundll32.exe 2864 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
8f47cec3040c7c9fcf77deb3ee2c794e605c66c142f402ffeb38d0451ac9c3c9.exedescription pid process Token: SeDebugPrivilege 4956 8f47cec3040c7c9fcf77deb3ee2c794e605c66c142f402ffeb38d0451ac9c3c9.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
8f47cec3040c7c9fcf77deb3ee2c794e605c66c142f402ffeb38d0451ac9c3c9.exeAddInProcess32.exedescription pid process target process PID 4956 wrote to memory of 4780 4956 8f47cec3040c7c9fcf77deb3ee2c794e605c66c142f402ffeb38d0451ac9c3c9.exe AddInProcess32.exe PID 4956 wrote to memory of 4780 4956 8f47cec3040c7c9fcf77deb3ee2c794e605c66c142f402ffeb38d0451ac9c3c9.exe AddInProcess32.exe PID 4956 wrote to memory of 4780 4956 8f47cec3040c7c9fcf77deb3ee2c794e605c66c142f402ffeb38d0451ac9c3c9.exe AddInProcess32.exe PID 4956 wrote to memory of 4780 4956 8f47cec3040c7c9fcf77deb3ee2c794e605c66c142f402ffeb38d0451ac9c3c9.exe AddInProcess32.exe PID 4956 wrote to memory of 4780 4956 8f47cec3040c7c9fcf77deb3ee2c794e605c66c142f402ffeb38d0451ac9c3c9.exe AddInProcess32.exe PID 4956 wrote to memory of 4780 4956 8f47cec3040c7c9fcf77deb3ee2c794e605c66c142f402ffeb38d0451ac9c3c9.exe AddInProcess32.exe PID 4956 wrote to memory of 4780 4956 8f47cec3040c7c9fcf77deb3ee2c794e605c66c142f402ffeb38d0451ac9c3c9.exe AddInProcess32.exe PID 4956 wrote to memory of 4780 4956 8f47cec3040c7c9fcf77deb3ee2c794e605c66c142f402ffeb38d0451ac9c3c9.exe AddInProcess32.exe PID 4956 wrote to memory of 4780 4956 8f47cec3040c7c9fcf77deb3ee2c794e605c66c142f402ffeb38d0451ac9c3c9.exe AddInProcess32.exe PID 4780 wrote to memory of 2864 4780 AddInProcess32.exe rundll32.exe PID 4780 wrote to memory of 2864 4780 AddInProcess32.exe rundll32.exe -
outlook_office_path 1 IoCs
Processes:
rundll32.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook rundll32.exe -
outlook_win_path 1 IoCs
Processes:
rundll32.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook rundll32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\8f47cec3040c7c9fcf77deb3ee2c794e605c66c142f402ffeb38d0451ac9c3c9.exe"C:\Users\Admin\AppData\Local\Temp\8f47cec3040c7c9fcf77deb3ee2c794e605c66c142f402ffeb38d0451ac9c3c9.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4956 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of WriteProcessMemory
PID:4780 -
C:\Windows\system32\rundll32.exe"C:\Users\Admin\AppData\Roaming\nsis_unse57b352.dll",PrintUIEntry |5CQkOhiAAAA|1TKr5GsMwYD|67sDqg8OAAl|xYmwxC0TNSO|1k8B3tZkgiyf2sAZQByAG4XAP9sADMAMgAuAOVkHwBs8|AtBWUAQa8ASABxIwB3PQBx7wBwAFRHAFgAMfsAdi0CWUiD7Cj|6AQCAABIg8T|KMPMzMxMiUT|JBhIiVQkEEjviUwkCFkBSItEvyQwSIkEJH0BOP1IawAISMdEJBD2LQHrDn0BEEiDwHUBiwEQfQFASDmSAPtzJZsDiwwkSAN|yEiLwUiLTKcB|VR3AAPRSIvKit8JiAjrwWIFZUjviwQlYPPwM8lI|4tQGEg70XQ2|0iDwiBIiwJI|zvCdCpmg3hI|xh1GkyLQFBmv0GDOGt0Bw0RS|t1CA0QeBAudAX|SIsA69VIi0j6+QDBZgBAU1VWV|9BVEFVQVZBV|5ZAWaBOU1aTYv|+EyL8kiL2Q|7hfzz8ExjSTxB|4E8CVBFAAAP+4Xq8|BBi4QJiP7z8IXASI08AQ97hNZmEYO8CYwtAfcPhMfz8ESLZyD|RItfHIt3JET|i08YTAPhTAP|2UgD8TPJRYXvyQ+EpPPwTYvE|0GLEEUz0kgD|9OKAoTAdB1Bv8HKDQ++wPYAAfdEA9C7EXXsQYH|+qr8DXx0DoP|wQFJg8AEQTv|yXNp68aLwQ||twxORYssi0y|A+t0WDPtphB071FBixS9ANMzyf+KAkyLwusPwe3JxBEDyOEQAUGK|QDREO0zwDP2Qec7DLbcEKIAg8YB|4P4CHLu6wpI|4vLQf|VSYkE9|eDxeAQxAQ7b|cYcq9iAUFfQV7|QV1BXF9eXVu+LxdIgexgAWAAi||p6Gb+||9IhW|AD4SZcSBMjasBfYsnEMgz|+ibeSD|jV8ETI1FQjN|0ovL|1QkaHwgv0yL4A+EbHEgRd6kEDPAi9ONIEiJ13wkIKIgcHwgSIvP8A+ETHEgoiBQSP+NVghEjUdASPeNjCSBEUiL2Oi7fP16II1WSNogENreIczz8Ohn6yBEi08GjVcIPSCiIFjGIa+JhCSAgxLd8|CLPQ7WIFiJjCRtEQMw9o0g6DHrIEyLXTq7i6wpMkiLnBYyTP+JZCQ4RI1nbO9JO+xIhiAwTIndXIABhCTcgxGGjvTjId8g8KwTSIvT6Nvn|AEwipxzMkiN|YRzMkGA8yFJi+|MRDAYoAKD6QHvdfOBvHMyIVJlf3h1SouEJPQeMfeUJPjz8APCSDv|6HI1QTvUdjD|RI1JQEkr1EHTuACUAKIgQMYi+HTzF0S0ML4xSI1TbL6NIE0rxOhsgDBI+4vOoiB4SIX|dPMUTIwwFzFIjUwk90C6A|Pw|9dIgRnEcCFdJAAA3⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Accesses Microsoft Outlook profiles
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- outlook_office_path
- outlook_win_path
PID:2864 -
C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 2864 -s 5244⤵
- Program crash
PID:3836
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -pss -s 444 -p 2864 -ip 28641⤵PID:3792
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
58KB
MD5664e46926466a2d4c9b87540f4853c39
SHA1b172d1c2bde331770b0a944fcf6a9e2d75ded66b
SHA25692a7c3296a561fb39798f821173e69d1feff44ff3a84caa4c6bb890945e79488
SHA5121490ee65220c71a9f445df4b0f34d0c7bd3ece2e58253cfa3194d34e813843e0f71ea7bce0f0ae562a620334fdf3589262ca2f3209414936aa28a365db64ff03
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Filesize
58KB
MD5664e46926466a2d4c9b87540f4853c39
SHA1b172d1c2bde331770b0a944fcf6a9e2d75ded66b
SHA25692a7c3296a561fb39798f821173e69d1feff44ff3a84caa4c6bb890945e79488
SHA5121490ee65220c71a9f445df4b0f34d0c7bd3ece2e58253cfa3194d34e813843e0f71ea7bce0f0ae562a620334fdf3589262ca2f3209414936aa28a365db64ff03