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Analysis
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max time kernel
134s -
max time network
139s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
23/11/2024, 04:05
Behavioral task
behavioral1
Sample
816aa99ffbe9780b4d0a29518d706b0c898d97a56f32779a90ce609a43cdc2bb.exe
Resource
win7-20241010-en
General
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Target
816aa99ffbe9780b4d0a29518d706b0c898d97a56f32779a90ce609a43cdc2bb.exe
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Size
45KB
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MD5
21d7ffd37e8e9f08cd8d0e2ed9a7a2e0
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SHA1
a7874be390b1d4ead395ba4f3ea9ff05a81b9646
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SHA256
816aa99ffbe9780b4d0a29518d706b0c898d97a56f32779a90ce609a43cdc2bb
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SHA512
8b7be069c13fa747b3f28baad56162fff5959c19b4c685b9d000aed1bd0486fa4a88bf5c3132c80f9f5f97bfdbe630672606617a134e6b26215b73295a738d1b
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SSDEEP
768:YhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2P:ksWE9N5dFu53dsniQaB/xZ14n7zIF+q7
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-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\8F037046 = "C:\\Users\\Admin\\AppData\\Roaming\\8F037046\\bin.exe" winver.exe -
resource yara_rule behavioral2/memory/2780-0-0x0000000000400000-0x000000000041D000-memory.dmp upx -
Program crash 1 IoCs
pid pid_target Process procid_target 3820 3352 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 816aa99ffbe9780b4d0a29518d706b0c898d97a56f32779a90ce609a43cdc2bb.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winver.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3352 winver.exe 3352 winver.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeShutdownPrivilege 3376 Explorer.EXE Token: SeCreatePagefilePrivilege 3376 Explorer.EXE -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3352 winver.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2780 wrote to memory of 3352 2780 816aa99ffbe9780b4d0a29518d706b0c898d97a56f32779a90ce609a43cdc2bb.exe 85 PID 2780 wrote to memory of 3352 2780 816aa99ffbe9780b4d0a29518d706b0c898d97a56f32779a90ce609a43cdc2bb.exe 85 PID 2780 wrote to memory of 3352 2780 816aa99ffbe9780b4d0a29518d706b0c898d97a56f32779a90ce609a43cdc2bb.exe 85 PID 2780 wrote to memory of 3352 2780 816aa99ffbe9780b4d0a29518d706b0c898d97a56f32779a90ce609a43cdc2bb.exe 85 PID 3352 wrote to memory of 3376 3352 winver.exe 56 PID 3352 wrote to memory of 2896 3352 winver.exe 50
Processes
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C:\Windows\system32\sihost.exesihost.exe1⤵PID:2896
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3376 -
C:\Users\Admin\AppData\Local\Temp\816aa99ffbe9780b4d0a29518d706b0c898d97a56f32779a90ce609a43cdc2bb.exe"C:\Users\Admin\AppData\Local\Temp\816aa99ffbe9780b4d0a29518d706b0c898d97a56f32779a90ce609a43cdc2bb.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2780 -
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:3352 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3352 -s 3524⤵
- Program crash
PID:3820
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3352 -ip 33521⤵PID:1816