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Analysis
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max time kernel
146s -
max time network
183s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
04/01/2024, 12:10
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
40d2af967b3afe59eff115b24d1753e5.exe
Resource
win7-20231215-en
4 signatures
150 seconds
Behavioral task
behavioral2
Sample
40d2af967b3afe59eff115b24d1753e5.exe
Resource
win10v2004-20231215-en
3 signatures
150 seconds
General
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Target
40d2af967b3afe59eff115b24d1753e5.exe
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Size
202KB
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MD5
40d2af967b3afe59eff115b24d1753e5
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SHA1
2e7b2ab82e199a4be4302091db1b844cd91dd402
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SHA256
b04cb415c3d2e04d4671687f3a1f028e6c2e2bd8dccf176db47f15f28e44118d
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SHA512
7ce7ed9e2be1db2e45d8950c05797c8fc1007dfa6eaea89aa628a9ea23ce0c7677502f3cd256f9381c31be4ef567bca5286c476e87cccb2409f87090f2a41057
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SSDEEP
3072:/cT9g8immW6Pozkk2eKs/CSr2nQ/E2S5ny+bF2u1I+ddDK7Hlq/e8FpwtkaZgxkz:o68i3odBiTl2+TCU/6tkqz
Score
6/10
Malware Config
Signatures
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Microsoft I Service = "C:\\Windows\\winhash_up.exe /REGstart" 40d2af967b3afe59eff115b24d1753e5.exe -
Drops file in Windows directory 12 IoCs
description ioc Process File created C:\Windows\winhash_up.exez 40d2af967b3afe59eff115b24d1753e5.exe File created C:\Windows\SHARE_TEMP\Icon2.ico 40d2af967b3afe59eff115b24d1753e5.exe File created C:\Windows\SHARE_TEMP\Icon10.ico 40d2af967b3afe59eff115b24d1753e5.exe File created C:\Windows\SHARE_TEMP\Icon12.ico 40d2af967b3afe59eff115b24d1753e5.exe File created C:\Windows\SHARE_TEMP\Icon14.ico 40d2af967b3afe59eff115b24d1753e5.exe File created C:\Windows\bugMAKER.bat 40d2af967b3afe59eff115b24d1753e5.exe File opened for modification C:\Windows\winhash_up.exez 40d2af967b3afe59eff115b24d1753e5.exe File created C:\Windows\winhash_up.exe 40d2af967b3afe59eff115b24d1753e5.exe File created C:\Windows\SHARE_TEMP\Icon3.ico 40d2af967b3afe59eff115b24d1753e5.exe File created C:\Windows\SHARE_TEMP\Icon5.ico 40d2af967b3afe59eff115b24d1753e5.exe File created C:\Windows\SHARE_TEMP\Icon6.ico 40d2af967b3afe59eff115b24d1753e5.exe File created C:\Windows\SHARE_TEMP\Icon7.ico 40d2af967b3afe59eff115b24d1753e5.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4984 wrote to memory of 1468 4984 40d2af967b3afe59eff115b24d1753e5.exe 91 PID 4984 wrote to memory of 1468 4984 40d2af967b3afe59eff115b24d1753e5.exe 91 PID 4984 wrote to memory of 1468 4984 40d2af967b3afe59eff115b24d1753e5.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\40d2af967b3afe59eff115b24d1753e5.exe"C:\Users\Admin\AppData\Local\Temp\40d2af967b3afe59eff115b24d1753e5.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:4984 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c C:\Windows\bugMAKER.bat2⤵PID:1468
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