Analysis
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max time kernel
100s -
max time network
103s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
04-10-2024 13:25
Behavioral task
behavioral1
Sample
87045597e2ede51139ed4a3b568ef473c38bb8cc62a38bb330fefc2fd1bd9e59N.exe
Resource
win7-20240903-en
7 signatures
120 seconds
General
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Target
87045597e2ede51139ed4a3b568ef473c38bb8cc62a38bb330fefc2fd1bd9e59N.exe
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Size
45KB
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MD5
d7c7556531537ae9b4361029b8234b90
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SHA1
2071079aee5e80104015a9c0b2b9a01e25ddaa50
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SHA256
87045597e2ede51139ed4a3b568ef473c38bb8cc62a38bb330fefc2fd1bd9e59
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SHA512
fe7acc2178fe1e65860ee8de3320a3da98e9458758bed2f0ad61f2b972f9a1b7c406b57301d64419739bfed4e8ac745c7564bc72ae07cac700d1657d8f3b6b98
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SSDEEP
768:UhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:YsWE9N5dFu53dsniQaB/xZ14n7zIF+qr
Malware Config
Signatures
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\18F39BD4 = "C:\\Users\\Admin\\AppData\\Roaming\\18F39BD4\\bin.exe" winver.exe -
resource yara_rule behavioral2/memory/2364-0-0x0000000000400000-0x000000000041D000-memory.dmp upx -
Program crash 1 IoCs
pid pid_target Process procid_target 3528 872 WerFault.exe 83 -
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winver.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 87045597e2ede51139ed4a3b568ef473c38bb8cc62a38bb330fefc2fd1bd9e59N.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 872 winver.exe 872 winver.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeShutdownPrivilege 3480 Explorer.EXE Token: SeCreatePagefilePrivilege 3480 Explorer.EXE -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 872 winver.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2364 wrote to memory of 872 2364 87045597e2ede51139ed4a3b568ef473c38bb8cc62a38bb330fefc2fd1bd9e59N.exe 83 PID 2364 wrote to memory of 872 2364 87045597e2ede51139ed4a3b568ef473c38bb8cc62a38bb330fefc2fd1bd9e59N.exe 83 PID 2364 wrote to memory of 872 2364 87045597e2ede51139ed4a3b568ef473c38bb8cc62a38bb330fefc2fd1bd9e59N.exe 83 PID 2364 wrote to memory of 872 2364 87045597e2ede51139ed4a3b568ef473c38bb8cc62a38bb330fefc2fd1bd9e59N.exe 83 PID 872 wrote to memory of 3480 872 winver.exe 56 PID 872 wrote to memory of 2644 872 winver.exe 44
Processes
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C:\Windows\system32\sihost.exesihost.exe1⤵PID:2644
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3480 -
C:\Users\Admin\AppData\Local\Temp\87045597e2ede51139ed4a3b568ef473c38bb8cc62a38bb330fefc2fd1bd9e59N.exe"C:\Users\Admin\AppData\Local\Temp\87045597e2ede51139ed4a3b568ef473c38bb8cc62a38bb330fefc2fd1bd9e59N.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2364 -
C:\Windows\SysWOW64\winver.exewinver3⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:872 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 872 -s 3524⤵
- Program crash
PID:3528
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 872 -ip 8721⤵PID:3720