Analysis
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max time kernel
36s -
max time network
47s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
19-09-2022 04:23
Static task
static1
Behavioral task
behavioral1
Sample
759664455bf87b19e7d46dfa841099524aaa7c7a7719e8ffd4d806f4f3cbc274.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
759664455bf87b19e7d46dfa841099524aaa7c7a7719e8ffd4d806f4f3cbc274.exe
Resource
win10v2004-20220901-en
General
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Target
759664455bf87b19e7d46dfa841099524aaa7c7a7719e8ffd4d806f4f3cbc274.exe
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Size
202KB
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MD5
fda0a5f10ef75efc62719591bd74cd2d
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SHA1
b8bd9c72febc801fb4c0e0dac6203645e9ec5fc9
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SHA256
759664455bf87b19e7d46dfa841099524aaa7c7a7719e8ffd4d806f4f3cbc274
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SHA512
11a474c83c1dbc5362bfffc88f742b4f134716041de34bdec179ada25b23490b5c13abee3f9ee115df73a57116c67539b0c3ca19a7b1a9a61d6cc0e45bf197e8
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SSDEEP
768:jZKM11gG4ChfiPO0rfz0shcUypMC5/VKhZyg3ini2L2o27+IpFKe+:gMDgG4ChfiPOefgsOUqQwg
Malware Config
Signatures
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Adds Run key to start application 2 TTPs 5 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\fndfst32 = "C:\\Windows\\System\\fndfst32.exe" 759664455bf87b19e7d46dfa841099524aaa7c7a7719e8ffd4d806f4f3cbc274.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Explorer Shell = "C:\\Windows\\System\\Explorer.exe" 759664455bf87b19e7d46dfa841099524aaa7c7a7719e8ffd4d806f4f3cbc274.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run 759664455bf87b19e7d46dfa841099524aaa7c7a7719e8ffd4d806f4f3cbc274.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\System applets = "C:\\Windows\\System\\applets.exe" 759664455bf87b19e7d46dfa841099524aaa7c7a7719e8ffd4d806f4f3cbc274.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Syssrc32 = "C:\\Windows\\Syssrc32.exe" 759664455bf87b19e7d46dfa841099524aaa7c7a7719e8ffd4d806f4f3cbc274.exe -
Drops file in Windows directory 14 IoCs
description ioc Process File opened for modification C:\Windows\System\applets.exe 759664455bf87b19e7d46dfa841099524aaa7c7a7719e8ffd4d806f4f3cbc274.exe File created C:\Windows\Syssrc32.exe 759664455bf87b19e7d46dfa841099524aaa7c7a7719e8ffd4d806f4f3cbc274.exe File opened for modification C:\Windows\System\Explorer.exe 759664455bf87b19e7d46dfa841099524aaa7c7a7719e8ffd4d806f4f3cbc274.exe File opened for modification C:\Windows\System\Sysexp32.exe 759664455bf87b19e7d46dfa841099524aaa7c7a7719e8ffd4d806f4f3cbc274.exe File created C:\Windows\System\Sysexp32.exe 759664455bf87b19e7d46dfa841099524aaa7c7a7719e8ffd4d806f4f3cbc274.exe File created C:\Windows\System\applets.exe 759664455bf87b19e7d46dfa841099524aaa7c7a7719e8ffd4d806f4f3cbc274.exe File created C:\Windows\System\fndfst32.exe 759664455bf87b19e7d46dfa841099524aaa7c7a7719e8ffd4d806f4f3cbc274.exe File created C:\Windows\System\Explorer.exe 759664455bf87b19e7d46dfa841099524aaa7c7a7719e8ffd4d806f4f3cbc274.exe File opened for modification C:\Windows\Help\intret.cnt 759664455bf87b19e7d46dfa841099524aaa7c7a7719e8ffd4d806f4f3cbc274.exe File opened for modification C:\Windows\Syssrc32.exe 759664455bf87b19e7d46dfa841099524aaa7c7a7719e8ffd4d806f4f3cbc274.exe File created C:\Windows\System\mplayerw.exe 759664455bf87b19e7d46dfa841099524aaa7c7a7719e8ffd4d806f4f3cbc274.exe File opened for modification C:\Windows\System\fndfst32.exe 759664455bf87b19e7d46dfa841099524aaa7c7a7719e8ffd4d806f4f3cbc274.exe File created C:\Windows\Help\intret.cnt 759664455bf87b19e7d46dfa841099524aaa7c7a7719e8ffd4d806f4f3cbc274.exe File opened for modification C:\Windows\System\mplayerw.exe 759664455bf87b19e7d46dfa841099524aaa7c7a7719e8ffd4d806f4f3cbc274.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 1092 2016 WerFault.exe 26 -
Modifies registry class 3 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command 759664455bf87b19e7d46dfa841099524aaa7c7a7719e8ffd4d806f4f3cbc274.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\Explore = "%SystemRoot%\\SysWow64\\NOTEPAD.EXE %1" 759664455bf87b19e7d46dfa841099524aaa7c7a7719e8ffd4d806f4f3cbc274.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "C:\\Windows\\System\\Sysexp32.exe %1" 759664455bf87b19e7d46dfa841099524aaa7c7a7719e8ffd4d806f4f3cbc274.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2016 wrote to memory of 1092 2016 759664455bf87b19e7d46dfa841099524aaa7c7a7719e8ffd4d806f4f3cbc274.exe 27 PID 2016 wrote to memory of 1092 2016 759664455bf87b19e7d46dfa841099524aaa7c7a7719e8ffd4d806f4f3cbc274.exe 27 PID 2016 wrote to memory of 1092 2016 759664455bf87b19e7d46dfa841099524aaa7c7a7719e8ffd4d806f4f3cbc274.exe 27 PID 2016 wrote to memory of 1092 2016 759664455bf87b19e7d46dfa841099524aaa7c7a7719e8ffd4d806f4f3cbc274.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\759664455bf87b19e7d46dfa841099524aaa7c7a7719e8ffd4d806f4f3cbc274.exe"C:\Users\Admin\AppData\Local\Temp\759664455bf87b19e7d46dfa841099524aaa7c7a7719e8ffd4d806f4f3cbc274.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2016 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2016 -s 922⤵
- Program crash
PID:1092
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