Analysis
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max time kernel
142s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
28/01/2024, 19:36
Static task
static1
Behavioral task
behavioral1
Sample
7dd3b86cf398f089c1661058d46b80cc.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
7dd3b86cf398f089c1661058d46b80cc.exe
Resource
win10v2004-20231215-en
General
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Target
7dd3b86cf398f089c1661058d46b80cc.exe
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Size
130KB
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MD5
7dd3b86cf398f089c1661058d46b80cc
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SHA1
5e0e820100862584539f1616d224c5ca1b373718
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SHA256
c61e6f985b5362ed2863f8fd289eebc9db77b8dc75b278267d7ed2c2ec0cec67
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SHA512
87c75a232ed2195c007566d93e89c3aa7b2d6166801b989140913588125f3e453d906011955ffbd670a366ded26fcf5d0efeb5db6dad3cf3cd8a041b60eae23f
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SSDEEP
3072:NrIw201p9vdXk27ESjqhcclKK3fjbkvGjbhckEp:Nrb17O27vWcclKEfXLe
Malware Config
Signatures
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Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\SysWOW64\found.exe 7dd3b86cf398f089c1661058d46b80cc.exe File opened for modification C:\Windows\SysWOW64\found.exe 7dd3b86cf398f089c1661058d46b80cc.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\Debug\found32.dll 7dd3b86cf398f089c1661058d46b80cc.exe -
Modifies registry class 5 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{18EDD7A0-87EF-45B7-85CF-6A7E1341E2BB}\InProcServer32\ThreadingModel = "Apartment" regedit.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{18EDD7A0-87EF-45B7-85CF-6A7E1341E2BB} regedit.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{18EDD7A0-87EF-45B7-85CF-6A7E1341E2BB}\ = "url" regedit.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{18EDD7A0-87EF-45B7-85CF-6A7E1341E2BB}\InProcServer32 regedit.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{18EDD7A0-87EF-45B7-85CF-6A7E1341E2BB}\InProcServer32\ = "C:\\Windows\\Debug\\found32.dll" regedit.exe -
Runs .reg file with regedit 1 IoCs
pid Process 4372 regedit.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1152 wrote to memory of 4544 1152 7dd3b86cf398f089c1661058d46b80cc.exe 84 PID 1152 wrote to memory of 4544 1152 7dd3b86cf398f089c1661058d46b80cc.exe 84 PID 1152 wrote to memory of 4544 1152 7dd3b86cf398f089c1661058d46b80cc.exe 84 PID 1152 wrote to memory of 2452 1152 7dd3b86cf398f089c1661058d46b80cc.exe 85 PID 1152 wrote to memory of 2452 1152 7dd3b86cf398f089c1661058d46b80cc.exe 85 PID 1152 wrote to memory of 2452 1152 7dd3b86cf398f089c1661058d46b80cc.exe 85 PID 4544 wrote to memory of 4372 4544 cmd.exe 88 PID 4544 wrote to memory of 4372 4544 cmd.exe 88 PID 4544 wrote to memory of 4372 4544 cmd.exe 88
Processes
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C:\Users\Admin\AppData\Local\Temp\7dd3b86cf398f089c1661058d46b80cc.exe"C:\Users\Admin\AppData\Local\Temp\7dd3b86cf398f089c1661058d46b80cc.exe"1⤵
- Drops file in System32 directory
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1152 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\fnous.bat2⤵
- Suspicious use of WriteProcessMemory
PID:4544 -
C:\Windows\SysWOW64\regedit.exeregedit /s C:\Users\Admin\AppData\Local\Temp\nothks.reg3⤵
- Modifies registry class
- Runs .reg file with regedit
PID:4372
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C:\Windows\SysWOW64\cmd.execmd /c erase /F "C:\Users\Admin\AppData\Local\Temp\7dd3b86cf398f089c1661058d46b80cc.exe"2⤵PID:2452
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
126B
MD57ab275c1bc8750fe49119429e12ab856
SHA1ea556c59c5d3f2be584d2e208ba42a1540f46986
SHA2568d96bacc0e4651d7b8c27613f3f721bb89ca9fb9430bab66b2ef90bfe8cb5bb3
SHA5127fe4bce942523a6adde6d83fc2f63302283f3e0642db4f9f650d50ba8f6f2b7b587229736521615d54b596f24a23146ab7aecb512c145b8dc4b81050ac3576c1
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Filesize
403B
MD5e1db5e72383ca2535cc04d98efb0f6e6
SHA1b3407d394658ad2d4ef59179fd2ddd419a1dc1d7
SHA25652a9ba0c766a4da941eb674797f1770712e64e2d2104271b4ff6368a45ba5c31
SHA5126ac5c144d0103b722a7203b04f79b3c691ff1393b59555a7ccd454a10a64e2c60111e9e45dc1fdaa3fdf180fac2b0416250aa0180a946c772bd3f1225c15c095