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Analysis
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max time kernel
92s -
max time network
82s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
22/11/2022, 07:51
Static task
static1
Behavioral task
behavioral1
Sample
73b9f20e45050ddac888a8fc53be2023393b49b8343ed721d44461fab739d349.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
73b9f20e45050ddac888a8fc53be2023393b49b8343ed721d44461fab739d349.exe
Resource
win10v2004-20220812-en
General
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Target
73b9f20e45050ddac888a8fc53be2023393b49b8343ed721d44461fab739d349.exe
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Size
21KB
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MD5
4fa9e799040df3b7131e264b32a8cfd6
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SHA1
770c5c1d01677afca31515a9a9bbe520f41a1060
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SHA256
73b9f20e45050ddac888a8fc53be2023393b49b8343ed721d44461fab739d349
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SHA512
64dc76b9cc0dd42094db0621d369c252e7e06f431f5ee2d5d5a8041db544700f89897aea4f9c031da7a62156b2835b311a6c56d1e6a359083576b8719f9b8f18
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SSDEEP
384:OGLvGoN8npeUWozguegkwZNDI3ku6ZRpesDuxqQ:Xvinpe3tgkmdEl0LKxx
Malware Config
Signatures
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\Zxtsqjwh = "\"C:\\Users\\Admin\\AppData\\Roaming\\Bmcnu\\Zxtsqjwh.exe\"" 73b9f20e45050ddac888a8fc53be2023393b49b8343ed721d44461fab739d349.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2020 set thread context of 516 2020 73b9f20e45050ddac888a8fc53be2023393b49b8343ed721d44461fab739d349.exe 28 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1888 powershell.exe 2020 73b9f20e45050ddac888a8fc53be2023393b49b8343ed721d44461fab739d349.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2020 73b9f20e45050ddac888a8fc53be2023393b49b8343ed721d44461fab739d349.exe Token: SeDebugPrivilege 1888 powershell.exe Token: SeDebugPrivilege 516 73b9f20e45050ddac888a8fc53be2023393b49b8343ed721d44461fab739d349.exe -
Suspicious use of WriteProcessMemory 13 IoCs
description pid Process procid_target PID 2020 wrote to memory of 1888 2020 73b9f20e45050ddac888a8fc53be2023393b49b8343ed721d44461fab739d349.exe 26 PID 2020 wrote to memory of 1888 2020 73b9f20e45050ddac888a8fc53be2023393b49b8343ed721d44461fab739d349.exe 26 PID 2020 wrote to memory of 1888 2020 73b9f20e45050ddac888a8fc53be2023393b49b8343ed721d44461fab739d349.exe 26 PID 2020 wrote to memory of 1888 2020 73b9f20e45050ddac888a8fc53be2023393b49b8343ed721d44461fab739d349.exe 26 PID 2020 wrote to memory of 516 2020 73b9f20e45050ddac888a8fc53be2023393b49b8343ed721d44461fab739d349.exe 28 PID 2020 wrote to memory of 516 2020 73b9f20e45050ddac888a8fc53be2023393b49b8343ed721d44461fab739d349.exe 28 PID 2020 wrote to memory of 516 2020 73b9f20e45050ddac888a8fc53be2023393b49b8343ed721d44461fab739d349.exe 28 PID 2020 wrote to memory of 516 2020 73b9f20e45050ddac888a8fc53be2023393b49b8343ed721d44461fab739d349.exe 28 PID 2020 wrote to memory of 516 2020 73b9f20e45050ddac888a8fc53be2023393b49b8343ed721d44461fab739d349.exe 28 PID 2020 wrote to memory of 516 2020 73b9f20e45050ddac888a8fc53be2023393b49b8343ed721d44461fab739d349.exe 28 PID 2020 wrote to memory of 516 2020 73b9f20e45050ddac888a8fc53be2023393b49b8343ed721d44461fab739d349.exe 28 PID 2020 wrote to memory of 516 2020 73b9f20e45050ddac888a8fc53be2023393b49b8343ed721d44461fab739d349.exe 28 PID 2020 wrote to memory of 516 2020 73b9f20e45050ddac888a8fc53be2023393b49b8343ed721d44461fab739d349.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\73b9f20e45050ddac888a8fc53be2023393b49b8343ed721d44461fab739d349.exe"C:\Users\Admin\AppData\Local\Temp\73b9f20e45050ddac888a8fc53be2023393b49b8343ed721d44461fab739d349.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2020 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAANAA1AA==2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1888
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C:\Users\Admin\AppData\Local\Temp\73b9f20e45050ddac888a8fc53be2023393b49b8343ed721d44461fab739d349.exeC:\Users\Admin\AppData\Local\Temp\73b9f20e45050ddac888a8fc53be2023393b49b8343ed721d44461fab739d349.exe2⤵
- Suspicious use of AdjustPrivilegeToken
PID:516
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