Analysis
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max time kernel
141s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system -
submitted
04-02-2024 02:17
Behavioral task
behavioral1
Sample
8df8c579fd804944150aa3e2d11c4752.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
8df8c579fd804944150aa3e2d11c4752.exe
Resource
win10v2004-20231222-en
General
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Target
8df8c579fd804944150aa3e2d11c4752.exe
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Size
727KB
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MD5
8df8c579fd804944150aa3e2d11c4752
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SHA1
44ddcb5413f60619139d2a2bb30711f1a5606f56
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SHA256
04f21d0ee0165c994d0cbfad13e8c0b67d858a51d9f70b97008c022a5ee9d80f
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SHA512
773b74d1b9742e33401804c87708e440f02355b1edab4c56f9a899174e3aa59c5a693c7b7de5fa846aa657942e4cebda57626794886e3f1bb480721af9514b64
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SSDEEP
6144:51db49+rEg024fpLZazEjvE/rbay19tSt4bO2BaDmeBJe59zP8HzinW9eIVh6nlt:5jkArEN249AyE/rbaMct4bO2/Vzp7J6
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe system32_.exe" 8df8c579fd804944150aa3e2d11c4752.exe -
Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Gogle.lnk 8df8c579fd804944150aa3e2d11c4752.exe -
resource yara_rule behavioral2/memory/1684-0-0x0000000000400000-0x0000000000599000-memory.dmp upx behavioral2/files/0x000900000002314b-10.dat upx behavioral2/memory/1684-25-0x0000000000400000-0x0000000000599000-memory.dmp upx behavioral2/memory/1684-26-0x0000000000400000-0x0000000000599000-memory.dmp upx behavioral2/memory/1684-27-0x0000000000400000-0x0000000000599000-memory.dmp upx behavioral2/memory/1684-28-0x0000000000400000-0x0000000000599000-memory.dmp upx behavioral2/memory/1684-32-0x0000000000400000-0x0000000000599000-memory.dmp upx behavioral2/memory/1684-33-0x0000000000400000-0x0000000000599000-memory.dmp upx behavioral2/memory/1684-34-0x0000000000400000-0x0000000000599000-memory.dmp upx behavioral2/memory/1684-37-0x0000000000400000-0x0000000000599000-memory.dmp upx behavioral2/memory/1684-38-0x0000000000400000-0x0000000000599000-memory.dmp upx behavioral2/memory/1684-39-0x0000000000400000-0x0000000000599000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Yahoo Messengger = "C:\\Windows\\SysWOW64\\system32_.exe" 8df8c579fd804944150aa3e2d11c4752.exe -
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\k: 8df8c579fd804944150aa3e2d11c4752.exe File opened (read-only) \??\r: 8df8c579fd804944150aa3e2d11c4752.exe File opened (read-only) \??\z: 8df8c579fd804944150aa3e2d11c4752.exe File opened (read-only) \??\h: 8df8c579fd804944150aa3e2d11c4752.exe File opened (read-only) \??\u: 8df8c579fd804944150aa3e2d11c4752.exe File opened (read-only) \??\v: 8df8c579fd804944150aa3e2d11c4752.exe File opened (read-only) \??\x: 8df8c579fd804944150aa3e2d11c4752.exe File opened (read-only) \??\y: 8df8c579fd804944150aa3e2d11c4752.exe File opened (read-only) \??\m: 8df8c579fd804944150aa3e2d11c4752.exe File opened (read-only) \??\g: 8df8c579fd804944150aa3e2d11c4752.exe File opened (read-only) \??\j: 8df8c579fd804944150aa3e2d11c4752.exe File opened (read-only) \??\n: 8df8c579fd804944150aa3e2d11c4752.exe File opened (read-only) \??\o: 8df8c579fd804944150aa3e2d11c4752.exe File opened (read-only) \??\s: 8df8c579fd804944150aa3e2d11c4752.exe File opened (read-only) \??\t: 8df8c579fd804944150aa3e2d11c4752.exe File opened (read-only) \??\b: 8df8c579fd804944150aa3e2d11c4752.exe File opened (read-only) \??\e: 8df8c579fd804944150aa3e2d11c4752.exe File opened (read-only) \??\i: 8df8c579fd804944150aa3e2d11c4752.exe File opened (read-only) \??\l: 8df8c579fd804944150aa3e2d11c4752.exe File opened (read-only) \??\p: 8df8c579fd804944150aa3e2d11c4752.exe File opened (read-only) \??\q: 8df8c579fd804944150aa3e2d11c4752.exe File opened (read-only) \??\w: 8df8c579fd804944150aa3e2d11c4752.exe File opened (read-only) \??\a: 8df8c579fd804944150aa3e2d11c4752.exe -
AutoIT Executable 10 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule behavioral2/memory/1684-25-0x0000000000400000-0x0000000000599000-memory.dmp autoit_exe behavioral2/memory/1684-26-0x0000000000400000-0x0000000000599000-memory.dmp autoit_exe behavioral2/memory/1684-27-0x0000000000400000-0x0000000000599000-memory.dmp autoit_exe behavioral2/memory/1684-28-0x0000000000400000-0x0000000000599000-memory.dmp autoit_exe behavioral2/memory/1684-32-0x0000000000400000-0x0000000000599000-memory.dmp autoit_exe behavioral2/memory/1684-33-0x0000000000400000-0x0000000000599000-memory.dmp autoit_exe behavioral2/memory/1684-34-0x0000000000400000-0x0000000000599000-memory.dmp autoit_exe behavioral2/memory/1684-37-0x0000000000400000-0x0000000000599000-memory.dmp autoit_exe behavioral2/memory/1684-38-0x0000000000400000-0x0000000000599000-memory.dmp autoit_exe behavioral2/memory/1684-39-0x0000000000400000-0x0000000000599000-memory.dmp autoit_exe -
Drops file in System32 directory 2 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\system32_.exe 8df8c579fd804944150aa3e2d11c4752.exe File created C:\Windows\SysWOW64\system32_.exe 8df8c579fd804944150aa3e2d11c4752.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\system32_.exe 8df8c579fd804944150aa3e2d11c4752.exe File created C:\Windows\system32_.exe 8df8c579fd804944150aa3e2d11c4752.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main 8df8c579fd804944150aa3e2d11c4752.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\RunOnceComplete = "1" 8df8c579fd804944150aa3e2d11c4752.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A} 8df8c579fd804944150aa3e2d11c4752.exe Key created \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\Software\Microsoft\Internet Explorer\Main 8df8c579fd804944150aa3e2d11c4752.exe Set value (int) \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\RunOnceComplete = "1" 8df8c579fd804944150aa3e2d11c4752.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Internet Explorer\Main 8df8c579fd804944150aa3e2d11c4752.exe Set value (int) \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\RunOnceHasShown = "1" 8df8c579fd804944150aa3e2d11c4752.exe Set value (str) \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}\URL = "h\x01t\x01t\x01p\x01:\x01/\x01/\x01w\x01w\x01w\x01.\x01g\x01o\x01o\x01g\x01l\x01e\x01.\x01c\x01o\x01m\x01/\x01s\x01e\x01a\x01r\x01c\x01h\x01?\x01q\x01=\x01{\x01s\x01e\x01a\x01r\x01c\x01h\x01T\x01e\x01r\x01m\x01s\x01}\x01&\x01s\x01o\x01u\x01r\x01c\x01e\x01i\x01d\x01=\x01i\x01e\x017\x01&\x01r\x01l\x01s\x01=\x01c\x01o\x01m\x01.\x01m\x01i\x01c\x01r\x01o\x01s\x01o\x01f\x01t\x01:\x01{\x01l\x01a\x01n\x01g\x01u\x01a\x01g\x01e\x01}\x01:\x01{\x01r\x01e\x01f\x01e\x01r\x01r\x01e\x01r\x01:\x01s\x01o\x01u\x01r\x01c\x01e\x01}\x01&\x01i\x01e\x01=\x01{\x01i\x01n\x01p\x01u\x01t\x01E\x01n\x01c\x01o\x01d\x01i\x01n\x01g\x01?\x01}\x01&\x01o\x01e\x01=\x01{\x01o\x01u\x01t\x01p\x01u\x01t\x01E\x01n\x01c\x01o\x01d\x01i\x01n\x01g\x01?\x01}\x01" 8df8c579fd804944150aa3e2d11c4752.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\Search Page = "http://www.todaygoogle.com" 8df8c579fd804944150aa3e2d11c4752.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\Default_Search_URL = "http://www.sioril.com" 8df8c579fd804944150aa3e2d11c4752.exe Key created \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A} 8df8c579fd804944150aa3e2d11c4752.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\Default_Page_URL = "http://www.sioril.com" 8df8c579fd804944150aa3e2d11c4752.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\Search Page = "http://www.sioril.com" 8df8c579fd804944150aa3e2d11c4752.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\RunOnceHasShown = "1" 8df8c579fd804944150aa3e2d11c4752.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}\URL = "h\x01t\x01t\x01p\x01:\x01/\x01/\x01w\x01w\x01w\x01.\x01g\x01o\x01o\x01g\x01l\x01e\x01.\x01c\x01o\x01m\x01/\x01s\x01e\x01a\x01r\x01c\x01h\x01?\x01q\x01=\x01{\x01s\x01e\x01a\x01r\x01c\x01h\x01T\x01e\x01r\x01m\x01s\x01}\x01&\x01s\x01o\x01u\x01r\x01c\x01e\x01i\x01d\x01=\x01i\x01e\x017\x01&\x01r\x01l\x01s\x01=\x01c\x01o\x01m\x01.\x01m\x01i\x01c\x01r\x01o\x01s\x01o\x01f\x01t\x01:\x01{\x01l\x01a\x01n\x01g\x01u\x01a\x01g\x01e\x01}\x01:\x01{\x01r\x01e\x01f\x01e\x01r\x01r\x01e\x01r\x01:\x01s\x01o\x01u\x01r\x01c\x01e\x01}\x01&\x01i\x01e\x01=\x01{\x01i\x01n\x01p\x01u\x01t\x01E\x01n\x01c\x01o\x01d\x01i\x01n\x01g\x01?\x01}\x01&\x01o\x01e\x01=\x01{\x01o\x01u\x01t\x01p\x01u\x01t\x01E\x01n\x01c\x01o\x01d\x01i\x01n\x01g\x01?\x01}\x01" 8df8c579fd804944150aa3e2d11c4752.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\Default_Page_URL = "http://www.todaygoogle.com" 8df8c579fd804944150aa3e2d11c4752.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\Default_Search_URL = "http://www.todaygoogle.com" 8df8c579fd804944150aa3e2d11c4752.exe -
Modifies Internet Explorer start page 1 TTPs 4 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\Start Page = "http://www.sioril.com" 8df8c579fd804944150aa3e2d11c4752.exe Set value (str) \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Start Page = "http://www.sioril.com" 8df8c579fd804944150aa3e2d11c4752.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\Start Page = "http://www.todaygoogle.com" 8df8c579fd804944150aa3e2d11c4752.exe Set value (str) \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Start Page = "http://www.todaygoogle.com" 8df8c579fd804944150aa3e2d11c4752.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1684 8df8c579fd804944150aa3e2d11c4752.exe 1684 8df8c579fd804944150aa3e2d11c4752.exe 1684 8df8c579fd804944150aa3e2d11c4752.exe 1684 8df8c579fd804944150aa3e2d11c4752.exe 1684 8df8c579fd804944150aa3e2d11c4752.exe 1684 8df8c579fd804944150aa3e2d11c4752.exe 1684 8df8c579fd804944150aa3e2d11c4752.exe 1684 8df8c579fd804944150aa3e2d11c4752.exe 1684 8df8c579fd804944150aa3e2d11c4752.exe 1684 8df8c579fd804944150aa3e2d11c4752.exe 1684 8df8c579fd804944150aa3e2d11c4752.exe 1684 8df8c579fd804944150aa3e2d11c4752.exe 1684 8df8c579fd804944150aa3e2d11c4752.exe 1684 8df8c579fd804944150aa3e2d11c4752.exe 1684 8df8c579fd804944150aa3e2d11c4752.exe 1684 8df8c579fd804944150aa3e2d11c4752.exe 1684 8df8c579fd804944150aa3e2d11c4752.exe 1684 8df8c579fd804944150aa3e2d11c4752.exe 1684 8df8c579fd804944150aa3e2d11c4752.exe 1684 8df8c579fd804944150aa3e2d11c4752.exe 1684 8df8c579fd804944150aa3e2d11c4752.exe 1684 8df8c579fd804944150aa3e2d11c4752.exe 1684 8df8c579fd804944150aa3e2d11c4752.exe 1684 8df8c579fd804944150aa3e2d11c4752.exe 1684 8df8c579fd804944150aa3e2d11c4752.exe 1684 8df8c579fd804944150aa3e2d11c4752.exe 1684 8df8c579fd804944150aa3e2d11c4752.exe 1684 8df8c579fd804944150aa3e2d11c4752.exe 1684 8df8c579fd804944150aa3e2d11c4752.exe 1684 8df8c579fd804944150aa3e2d11c4752.exe 1684 8df8c579fd804944150aa3e2d11c4752.exe 1684 8df8c579fd804944150aa3e2d11c4752.exe 1684 8df8c579fd804944150aa3e2d11c4752.exe 1684 8df8c579fd804944150aa3e2d11c4752.exe 1684 8df8c579fd804944150aa3e2d11c4752.exe 1684 8df8c579fd804944150aa3e2d11c4752.exe 1684 8df8c579fd804944150aa3e2d11c4752.exe 1684 8df8c579fd804944150aa3e2d11c4752.exe 1684 8df8c579fd804944150aa3e2d11c4752.exe 1684 8df8c579fd804944150aa3e2d11c4752.exe 1684 8df8c579fd804944150aa3e2d11c4752.exe 1684 8df8c579fd804944150aa3e2d11c4752.exe 1684 8df8c579fd804944150aa3e2d11c4752.exe 1684 8df8c579fd804944150aa3e2d11c4752.exe 1684 8df8c579fd804944150aa3e2d11c4752.exe 1684 8df8c579fd804944150aa3e2d11c4752.exe 1684 8df8c579fd804944150aa3e2d11c4752.exe 1684 8df8c579fd804944150aa3e2d11c4752.exe 1684 8df8c579fd804944150aa3e2d11c4752.exe 1684 8df8c579fd804944150aa3e2d11c4752.exe 1684 8df8c579fd804944150aa3e2d11c4752.exe 1684 8df8c579fd804944150aa3e2d11c4752.exe 1684 8df8c579fd804944150aa3e2d11c4752.exe 1684 8df8c579fd804944150aa3e2d11c4752.exe 1684 8df8c579fd804944150aa3e2d11c4752.exe 1684 8df8c579fd804944150aa3e2d11c4752.exe 1684 8df8c579fd804944150aa3e2d11c4752.exe 1684 8df8c579fd804944150aa3e2d11c4752.exe 1684 8df8c579fd804944150aa3e2d11c4752.exe 1684 8df8c579fd804944150aa3e2d11c4752.exe 1684 8df8c579fd804944150aa3e2d11c4752.exe 1684 8df8c579fd804944150aa3e2d11c4752.exe 1684 8df8c579fd804944150aa3e2d11c4752.exe 1684 8df8c579fd804944150aa3e2d11c4752.exe -
Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 1684 wrote to memory of 2284 1684 8df8c579fd804944150aa3e2d11c4752.exe 89 PID 1684 wrote to memory of 2284 1684 8df8c579fd804944150aa3e2d11c4752.exe 89 PID 1684 wrote to memory of 2284 1684 8df8c579fd804944150aa3e2d11c4752.exe 89 PID 2284 wrote to memory of 840 2284 cmd.exe 90 PID 2284 wrote to memory of 840 2284 cmd.exe 90 PID 2284 wrote to memory of 840 2284 cmd.exe 90 PID 1684 wrote to memory of 4068 1684 8df8c579fd804944150aa3e2d11c4752.exe 93 PID 1684 wrote to memory of 4068 1684 8df8c579fd804944150aa3e2d11c4752.exe 93 PID 1684 wrote to memory of 4068 1684 8df8c579fd804944150aa3e2d11c4752.exe 93 PID 4068 wrote to memory of 2732 4068 cmd.exe 91 PID 4068 wrote to memory of 2732 4068 cmd.exe 91 PID 4068 wrote to memory of 2732 4068 cmd.exe 91 PID 1684 wrote to memory of 4256 1684 8df8c579fd804944150aa3e2d11c4752.exe 99 PID 1684 wrote to memory of 4256 1684 8df8c579fd804944150aa3e2d11c4752.exe 99 PID 1684 wrote to memory of 4256 1684 8df8c579fd804944150aa3e2d11c4752.exe 99 PID 4256 wrote to memory of 4064 4256 cmd.exe 101 PID 4256 wrote to memory of 4064 4256 cmd.exe 101 PID 4256 wrote to memory of 4064 4256 cmd.exe 101 PID 1684 wrote to memory of 2552 1684 8df8c579fd804944150aa3e2d11c4752.exe 102 PID 1684 wrote to memory of 2552 1684 8df8c579fd804944150aa3e2d11c4752.exe 102 PID 1684 wrote to memory of 2552 1684 8df8c579fd804944150aa3e2d11c4752.exe 102 PID 2552 wrote to memory of 2408 2552 cmd.exe 104 PID 2552 wrote to memory of 2408 2552 cmd.exe 104 PID 2552 wrote to memory of 2408 2552 cmd.exe 104
Processes
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C:\Users\Admin\AppData\Local\Temp\8df8c579fd804944150aa3e2d11c4752.exe"C:\Users\Admin\AppData\Local\Temp\8df8c579fd804944150aa3e2d11c4752.exe"1⤵
- Modifies WinLogon for persistence
- Drops startup file
- Adds Run key to start application
- Enumerates connected drives
- Drops file in System32 directory
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Modifies Internet Explorer start page
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1684 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /C AT /delete /yes2⤵
- Suspicious use of WriteProcessMemory
PID:2284 -
C:\Windows\SysWOW64\at.exeAT /delete /yes3⤵PID:840
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /C AT 09:00 /interactive /EVERY:m,t,w,th,f,s,su C:\Windows\SysWOW64\system32_.exe2⤵
- Suspicious use of WriteProcessMemory
PID:4068
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /C cacls "C:\system volume information" /e /g "Admin":f2⤵
- Suspicious use of WriteProcessMemory
PID:4256 -
C:\Windows\SysWOW64\cacls.execacls "C:\system volume information" /e /g "Admin":f3⤵PID:4064
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /C cacls "C:\system volume information" /e /g "Admin":f2⤵
- Suspicious use of WriteProcessMemory
PID:2552 -
C:\Windows\SysWOW64\cacls.execacls "C:\system volume information" /e /g "Admin":f3⤵PID:2408
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C:\Windows\SysWOW64\at.exeAT 09:00 /interactive /EVERY:m,t,w,th,f,s,su C:\Windows\SysWOW64\system32_.exe1⤵PID:2732
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
727KB
MD58df8c579fd804944150aa3e2d11c4752
SHA144ddcb5413f60619139d2a2bb30711f1a5606f56
SHA25604f21d0ee0165c994d0cbfad13e8c0b67d858a51d9f70b97008c022a5ee9d80f
SHA512773b74d1b9742e33401804c87708e440f02355b1edab4c56f9a899174e3aa59c5a693c7b7de5fa846aa657942e4cebda57626794886e3f1bb480721af9514b64