Analysis
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max time kernel
145s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
03-11-2024 11:55
Static task
static1
Behavioral task
behavioral1
Sample
300ef90cbde8df782048a8585b86eda9549c2eea3def8ae96bf9a5e0cb186a0dN.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
300ef90cbde8df782048a8585b86eda9549c2eea3def8ae96bf9a5e0cb186a0dN.exe
Resource
win10v2004-20241007-en
General
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Target
300ef90cbde8df782048a8585b86eda9549c2eea3def8ae96bf9a5e0cb186a0dN.exe
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Size
106KB
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MD5
375004985301fcc97684a54b77cafce0
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SHA1
98a6f18fb029beca2718201b17d0c18a49ef013a
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SHA256
300ef90cbde8df782048a8585b86eda9549c2eea3def8ae96bf9a5e0cb186a0d
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SHA512
31e3f3984e9559dfa25e7104ffb09637a8b6a0d4a95d469e9d16cdfa0a6b1df0c9a158f57c77defd89281067efe7b80cd66a9c724e7f82d931ef6ca5714eee5f
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SSDEEP
768:h+6p+OMlgGXCWhfDzU7f0JDgi9I57+sByZ+XsfXpwtG9ipelU9JA:h+mFM2QXtZgi9Iksu+XM57ipeq9JA
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-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\88D9FF26 = "C:\\Users\\Admin\\AppData\\Roaming\\88D9FF26\\bin.exe" winver.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 2636 2024 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 300ef90cbde8df782048a8585b86eda9549c2eea3def8ae96bf9a5e0cb186a0dN.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 2024 winver.exe 2024 winver.exe -
Suspicious use of AdjustPrivilegeToken 18 IoCs
description pid Process Token: SeShutdownPrivilege 3504 Explorer.EXE Token: SeCreatePagefilePrivilege 3504 Explorer.EXE Token: SeShutdownPrivilege 3504 Explorer.EXE Token: SeCreatePagefilePrivilege 3504 Explorer.EXE Token: SeShutdownPrivilege 3504 Explorer.EXE Token: SeCreatePagefilePrivilege 3504 Explorer.EXE Token: SeShutdownPrivilege 3504 Explorer.EXE Token: SeCreatePagefilePrivilege 3504 Explorer.EXE Token: SeShutdownPrivilege 3504 Explorer.EXE Token: SeCreatePagefilePrivilege 3504 Explorer.EXE Token: SeShutdownPrivilege 3504 Explorer.EXE Token: SeCreatePagefilePrivilege 3504 Explorer.EXE Token: SeShutdownPrivilege 3504 Explorer.EXE Token: SeCreatePagefilePrivilege 3504 Explorer.EXE Token: SeShutdownPrivilege 3504 Explorer.EXE Token: SeCreatePagefilePrivilege 3504 Explorer.EXE Token: SeShutdownPrivilege 3504 Explorer.EXE Token: SeCreatePagefilePrivilege 3504 Explorer.EXE -
Suspicious use of FindShellTrayWindow 3 IoCs
pid Process 2024 winver.exe 3504 Explorer.EXE 3504 Explorer.EXE -
Suspicious use of UnmapMainImage 1 IoCs
pid Process 3504 Explorer.EXE -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2996 wrote to memory of 2024 2996 300ef90cbde8df782048a8585b86eda9549c2eea3def8ae96bf9a5e0cb186a0dN.exe 85 PID 2996 wrote to memory of 2024 2996 300ef90cbde8df782048a8585b86eda9549c2eea3def8ae96bf9a5e0cb186a0dN.exe 85 PID 2996 wrote to memory of 2024 2996 300ef90cbde8df782048a8585b86eda9549c2eea3def8ae96bf9a5e0cb186a0dN.exe 85 PID 2996 wrote to memory of 2024 2996 300ef90cbde8df782048a8585b86eda9549c2eea3def8ae96bf9a5e0cb186a0dN.exe 85 PID 2024 wrote to memory of 3504 2024 winver.exe 56 PID 2024 wrote to memory of 2828 2024 winver.exe 49
Processes
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C:\Windows\system32\sihost.exesihost.exe1⤵PID:2828
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of UnmapMainImage
PID:3504 -
C:\Users\Admin\AppData\Local\Temp\300ef90cbde8df782048a8585b86eda9549c2eea3def8ae96bf9a5e0cb186a0dN.exe"C:\Users\Admin\AppData\Local\Temp\300ef90cbde8df782048a8585b86eda9549c2eea3def8ae96bf9a5e0cb186a0dN.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2996 -
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:2024 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2024 -s 3524⤵
- Program crash
PID:2636
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2024 -ip 20241⤵PID:776