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Analysis
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max time kernel
158s -
max time network
34s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
06/12/2022, 01:39
Static task
static1
Behavioral task
behavioral1
Sample
943822dfa8e7dcf61be6f3d861629a50168a6224b8d0b91afbe082167f705c46.dll
Resource
win7-20221111-en
windows7-x64
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
943822dfa8e7dcf61be6f3d861629a50168a6224b8d0b91afbe082167f705c46.dll
Resource
win10v2004-20221111-en
windows10-2004-x64
7 signatures
150 seconds
General
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Target
943822dfa8e7dcf61be6f3d861629a50168a6224b8d0b91afbe082167f705c46.dll
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Size
30KB
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MD5
0c19ecde0c2bca0860064ba80a4cf225
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SHA1
8b382026a39a7474258da9b22afc9b74a3a15ac6
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SHA256
943822dfa8e7dcf61be6f3d861629a50168a6224b8d0b91afbe082167f705c46
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SHA512
e6bd1d3210b0dd93a0d38858a24face205dd53a7e193aed7cccf0995b97963213475a2386e1a3e81bb29767ccc51794f06ee2d80ec3acc99938ade3e0f83288f
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SSDEEP
768:/Zn1S9JnjOksv3QjTdqM8duZN7bVBN+Q9U8y+XFj5Km5CPL:V4fjOkTTdqruZlVBxgCFjn5OL
Score
5/10
Malware Config
Signatures
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Drops file in System32 directory 2 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\lua.wkl rundll32.exe File opened for modification C:\Windows\SysWOW64\lua.wkl rundll32.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs
pid Process 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\msocx.dll rundll32.exe File created C:\Windows\msocx.dll rundll32.exe -
Modifies registry class 5 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7B3AC3FA-B695-41b6-BAA0-860EB5EB6FD6} rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7B3AC3FA-B695-41b6-BAA0-860EB5EB6FD6}\{F69EB73C-700A-42c9-8F9D-E8C4ABC27EF3} = "943822dfa8e7dcf61be6f3d861629a50168a6224b8d0b91afbe082167f705c46.dll,1294484522,-2036409223,-352895392" rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InProcServer32 rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9} rundll32.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe 892 rundll32.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 1736 wrote to memory of 284 1736 rundll32.exe 28 PID 1736 wrote to memory of 284 1736 rundll32.exe 28 PID 1736 wrote to memory of 284 1736 rundll32.exe 28 PID 1736 wrote to memory of 284 1736 rundll32.exe 28 PID 1736 wrote to memory of 284 1736 rundll32.exe 28 PID 1736 wrote to memory of 284 1736 rundll32.exe 28 PID 1736 wrote to memory of 284 1736 rundll32.exe 28 PID 284 wrote to memory of 892 284 rundll32.exe 29 PID 284 wrote to memory of 892 284 rundll32.exe 29 PID 284 wrote to memory of 892 284 rundll32.exe 29 PID 284 wrote to memory of 892 284 rundll32.exe 29 PID 284 wrote to memory of 892 284 rundll32.exe 29 PID 284 wrote to memory of 892 284 rundll32.exe 29 PID 284 wrote to memory of 892 284 rundll32.exe 29
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\943822dfa8e7dcf61be6f3d861629a50168a6224b8d0b91afbe082167f705c46.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1736 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\943822dfa8e7dcf61be6f3d861629a50168a6224b8d0b91afbe082167f705c46.dll,#12⤵
- Drops file in System32 directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:284 -
C:\Windows\SysWOW64\rundll32.exerundll32 "C:\Windows\msocx.dll",_RunAs@163⤵
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:892
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
30KB
MD50c19ecde0c2bca0860064ba80a4cf225
SHA18b382026a39a7474258da9b22afc9b74a3a15ac6
SHA256943822dfa8e7dcf61be6f3d861629a50168a6224b8d0b91afbe082167f705c46
SHA512e6bd1d3210b0dd93a0d38858a24face205dd53a7e193aed7cccf0995b97963213475a2386e1a3e81bb29767ccc51794f06ee2d80ec3acc99938ade3e0f83288f