Analysis
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max time kernel
118s -
max time network
94s -
platform
windows10-2004_x64 -
resource
win10v2004-20250129-en -
resource tags
arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system -
submitted
04-02-2025 19:14
Behavioral task
behavioral1
Sample
f15b3543311c39a8949a9af35ecb6a82f469d099b906d5ea60343d7f9b54ed86N.exe
Resource
win7-20240903-en
8 signatures
120 seconds
General
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Target
f15b3543311c39a8949a9af35ecb6a82f469d099b906d5ea60343d7f9b54ed86N.exe
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Size
110KB
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MD5
712f2402f4383d3c15f64728ea410c30
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SHA1
42a46d9407c94ebc2037469d9b7bae39f163c3be
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SHA256
f15b3543311c39a8949a9af35ecb6a82f469d099b906d5ea60343d7f9b54ed86
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SHA512
0f280c4a944d330d7f86a0861b476e02ab789cb3e662e2169aa4d6f7a1883b4fcca96a92e6681ce9ad1b0f263deb64ae64f026442ff5640c87723b1c1e76efc6
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SSDEEP
1536:UiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0EA:UiyvRmDLs/ZrwWJjAqGcRJ2hA
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-1-5-21-3625106387-4207083342-115176794-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\8E221412 = "C:\\Users\\Admin\\AppData\\Roaming\\8E221412\\bin.exe" winver.exe -
resource yara_rule behavioral2/memory/4772-0-0x0000000000400000-0x000000000041E000-memory.dmp upx -
Program crash 1 IoCs
pid pid_target Process procid_target 4420 3660 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 winver.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f15b3543311c39a8949a9af35ecb6a82f469d099b906d5ea60343d7f9b54ed86N.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3660 winver.exe 3660 winver.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeShutdownPrivilege 3452 Explorer.EXE Token: SeCreatePagefilePrivilege 3452 Explorer.EXE -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3660 winver.exe -
Suspicious use of UnmapMainImage 1 IoCs
pid Process 3452 Explorer.EXE -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4772 wrote to memory of 3660 4772 f15b3543311c39a8949a9af35ecb6a82f469d099b906d5ea60343d7f9b54ed86N.exe 85 PID 4772 wrote to memory of 3660 4772 f15b3543311c39a8949a9af35ecb6a82f469d099b906d5ea60343d7f9b54ed86N.exe 85 PID 4772 wrote to memory of 3660 4772 f15b3543311c39a8949a9af35ecb6a82f469d099b906d5ea60343d7f9b54ed86N.exe 85 PID 4772 wrote to memory of 3660 4772 f15b3543311c39a8949a9af35ecb6a82f469d099b906d5ea60343d7f9b54ed86N.exe 85 PID 3660 wrote to memory of 3452 3660 winver.exe 56 PID 3660 wrote to memory of 2968 3660 winver.exe 51
Processes
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C:\Windows\system32\sihost.exesihost.exe1⤵PID:2968
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3452 -
C:\Users\Admin\AppData\Local\Temp\f15b3543311c39a8949a9af35ecb6a82f469d099b906d5ea60343d7f9b54ed86N.exe"C:\Users\Admin\AppData\Local\Temp\f15b3543311c39a8949a9af35ecb6a82f469d099b906d5ea60343d7f9b54ed86N.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4772 -
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:3660 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3660 -s 3564⤵
- Program crash
PID:4420
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3660 -ip 36601⤵PID:2256