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Analysis
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max time kernel
149s -
max time network
126s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
29/12/2023, 23:37
Static task
static1
Behavioral task
behavioral1
Sample
072656ae236fdee2f762f44bbc421b11.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
072656ae236fdee2f762f44bbc421b11.exe
Resource
win10v2004-20231215-en
General
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Target
072656ae236fdee2f762f44bbc421b11.exe
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Size
17KB
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MD5
072656ae236fdee2f762f44bbc421b11
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SHA1
a920b2930f4bf10c80a21952b9452bf116eb2b81
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SHA256
2e7fc014e8fb728a5a3896b9c871a71b03ece805b6ca142e53cefb67a8cb16a6
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SHA512
a4de4dab6db01125611470ab61e742a7a622e3bcbb276fbb281115c14d87d1186631fd3477c1ecffe707ffcfa080ba0f00baa78015613d208953b6d46df7da4c
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SSDEEP
384:2v7Iqy/7iKtl3Yw+nSBD13j8HVwxrseUAf1PEaKe7CkAj:iIrRlPkSJZpYg1PSVjj
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2932 SonudMon.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\SonudMon = "C:\\Windows\\SonudMon.exe" 072656ae236fdee2f762f44bbc421b11.exe Set value (str) \REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\SonudMon = "C:\\Windows\\SonudMon.exe" SonudMon.exe -
Drops file in System32 directory 4 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\sevrices.exe 072656ae236fdee2f762f44bbc421b11.exe File created C:\Windows\SysWOW64\sevrices.exe 072656ae236fdee2f762f44bbc421b11.exe File opened for modification C:\Windows\SysWOW64\sevrices.exe SonudMon.exe File created C:\Windows\SysWOW64\sevrices.exe SonudMon.exe -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\SonudMon.exe 072656ae236fdee2f762f44bbc421b11.exe File opened for modification C:\Windows\SonudMon.exe 072656ae236fdee2f762f44bbc421b11.exe File created C:\Windows\SonudMon.exe SonudMon.exe -
Modifies registry class 4 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command SonudMon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "C:\\Windows\\SysWow64\\sevrices.exe \"%1\"" SonudMon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command 072656ae236fdee2f762f44bbc421b11.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "C:\\Windows\\SysWow64\\sevrices.exe \"%1\"" 072656ae236fdee2f762f44bbc421b11.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3016 wrote to memory of 2932 3016 072656ae236fdee2f762f44bbc421b11.exe 28 PID 3016 wrote to memory of 2932 3016 072656ae236fdee2f762f44bbc421b11.exe 28 PID 3016 wrote to memory of 2932 3016 072656ae236fdee2f762f44bbc421b11.exe 28 PID 3016 wrote to memory of 2932 3016 072656ae236fdee2f762f44bbc421b11.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\072656ae236fdee2f762f44bbc421b11.exe"C:\Users\Admin\AppData\Local\Temp\072656ae236fdee2f762f44bbc421b11.exe"1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3016 -
C:\Windows\SonudMon.exeC:\Windows\SonudMon.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Drops file in System32 directory
- Drops file in Windows directory
- Modifies registry class
PID:2932
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
17KB
MD5072656ae236fdee2f762f44bbc421b11
SHA1a920b2930f4bf10c80a21952b9452bf116eb2b81
SHA2562e7fc014e8fb728a5a3896b9c871a71b03ece805b6ca142e53cefb67a8cb16a6
SHA512a4de4dab6db01125611470ab61e742a7a622e3bcbb276fbb281115c14d87d1186631fd3477c1ecffe707ffcfa080ba0f00baa78015613d208953b6d46df7da4c