Analysis
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max time kernel
98s -
max time network
102s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
27-10-2024 11:01
Behavioral task
behavioral1
Sample
0354b8ff0c3a885f08d58ddaf26861e7d2831b7f3708a4c98550211d3ec953c2N.exe
Resource
win7-20241010-en
9 signatures
120 seconds
General
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Target
0354b8ff0c3a885f08d58ddaf26861e7d2831b7f3708a4c98550211d3ec953c2N.exe
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Size
89KB
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MD5
d0e42c5d316c07efdc018e26af3478f0
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SHA1
39c94220c85f587f65b9e3f3838b89669d39be9d
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SHA256
0354b8ff0c3a885f08d58ddaf26861e7d2831b7f3708a4c98550211d3ec953c2
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SHA512
9d8788593c4deb8563126872baf5175aad8c5cc15f0f56d95fe231dd226a350d2585c7353a162477aa28df5f060a0da712655adac0872459f525ef13ebedcd01
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SSDEEP
1536:X1+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7e:F+4MJIkLZJNAQ9Jo9e
Malware Config
Signatures
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Tinba family
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\4000464D = "C:\\Users\\Admin\\AppData\\Roaming\\4000464D\\bin.exe" winver.exe -
resource yara_rule behavioral2/memory/4736-0-0x0000000000400000-0x0000000000418000-memory.dmp upx -
Program crash 1 IoCs
pid pid_target Process procid_target 528 4500 WerFault.exe 85 -
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 0354b8ff0c3a885f08d58ddaf26861e7d2831b7f3708a4c98550211d3ec953c2N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winver.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ Explorer.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4500 winver.exe 4500 winver.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeShutdownPrivilege 3424 Explorer.EXE Token: SeCreatePagefilePrivilege 3424 Explorer.EXE Token: SeShutdownPrivilege 3424 Explorer.EXE Token: SeCreatePagefilePrivilege 3424 Explorer.EXE Token: SeShutdownPrivilege 3424 Explorer.EXE Token: SeCreatePagefilePrivilege 3424 Explorer.EXE -
Suspicious use of FindShellTrayWindow 3 IoCs
pid Process 4500 winver.exe 3424 Explorer.EXE 3424 Explorer.EXE -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4736 wrote to memory of 4500 4736 0354b8ff0c3a885f08d58ddaf26861e7d2831b7f3708a4c98550211d3ec953c2N.exe 85 PID 4736 wrote to memory of 4500 4736 0354b8ff0c3a885f08d58ddaf26861e7d2831b7f3708a4c98550211d3ec953c2N.exe 85 PID 4736 wrote to memory of 4500 4736 0354b8ff0c3a885f08d58ddaf26861e7d2831b7f3708a4c98550211d3ec953c2N.exe 85 PID 4736 wrote to memory of 4500 4736 0354b8ff0c3a885f08d58ddaf26861e7d2831b7f3708a4c98550211d3ec953c2N.exe 85 PID 4500 wrote to memory of 3424 4500 winver.exe 56 PID 4500 wrote to memory of 2904 4500 winver.exe 49
Processes
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C:\Windows\system32\sihost.exesihost.exe1⤵PID:2904
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:3424 -
C:\Users\Admin\AppData\Local\Temp\0354b8ff0c3a885f08d58ddaf26861e7d2831b7f3708a4c98550211d3ec953c2N.exe"C:\Users\Admin\AppData\Local\Temp\0354b8ff0c3a885f08d58ddaf26861e7d2831b7f3708a4c98550211d3ec953c2N.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4736 -
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:4500 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4500 -s 3524⤵
- Program crash
PID:528
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4500 -ip 45001⤵PID:4392