Analysis
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max time kernel
119s -
max time network
108s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
18-08-2024 15:53
Static task
static1
Behavioral task
behavioral1
Sample
25b03bde81337503fbdf1f86ca463bb0N.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
25b03bde81337503fbdf1f86ca463bb0N.exe
Resource
win10v2004-20240802-en
General
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Target
25b03bde81337503fbdf1f86ca463bb0N.exe
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Size
89KB
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MD5
25b03bde81337503fbdf1f86ca463bb0
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SHA1
c0b2a647091ee5718fb376f9f119ae4212d67624
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SHA256
9ddfe92b5d14d447eddf52d1a8b79d0e1bfc365d137d3ce8295f8a0c45e2b9ab
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SHA512
5fa92fd1d48eb6ab5315e2ead9f94cbd73d0681e3a35f99904b3fe7dd6936621853f61661d7fcc9fda59aaf7a318e7304a866a600d0d636692ce5a31c9bb3888
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SSDEEP
1536:t9o65gQK3Zm+Mt9RV5O8oQ9cXFunGm6ManhFLnBqHan6owwosTk8vxA:t9o6fK2XqXQwhnHlqQo8Lvy
Malware Config
Signatures
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Program crash 1 IoCs
pid pid_target Process procid_target 2312 1792 WerFault.exe 84 -
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 25b03bde81337503fbdf1f86ca463bb0N.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 1792 winver.exe 1792 winver.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeShutdownPrivilege 3416 Explorer.EXE Token: SeCreatePagefilePrivilege 3416 Explorer.EXE -
Suspicious use of FindShellTrayWindow 3 IoCs
pid Process 1792 winver.exe 3416 Explorer.EXE 3416 Explorer.EXE -
Suspicious use of UnmapMainImage 1 IoCs
pid Process 3416 Explorer.EXE -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1940 wrote to memory of 1792 1940 25b03bde81337503fbdf1f86ca463bb0N.exe 84 PID 1940 wrote to memory of 1792 1940 25b03bde81337503fbdf1f86ca463bb0N.exe 84 PID 1940 wrote to memory of 1792 1940 25b03bde81337503fbdf1f86ca463bb0N.exe 84 PID 1940 wrote to memory of 1792 1940 25b03bde81337503fbdf1f86ca463bb0N.exe 84 PID 1792 wrote to memory of 3416 1792 winver.exe 56 PID 1792 wrote to memory of 2844 1792 winver.exe 49
Processes
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C:\Windows\system32\sihost.exesihost.exe1⤵PID:2844
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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:3416 -
C:\Users\Admin\AppData\Local\Temp\25b03bde81337503fbdf1f86ca463bb0N.exe"C:\Users\Admin\AppData\Local\Temp\25b03bde81337503fbdf1f86ca463bb0N.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1940 -
C:\Windows\SysWOW64\winver.exewinver3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1792 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1792 -s 5804⤵
- Program crash
PID:2312
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1792 -ip 17921⤵PID:4944