Analysis
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max time kernel
151s -
max time network
44s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
04/12/2022, 00:58
Behavioral task
behavioral1
Sample
f82429c7a82e44e3b73414d229cd572ce2ceada19cd192ef5f200c62d0464ad4.dll
Resource
win7-20220812-en
windows7-x64
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
f82429c7a82e44e3b73414d229cd572ce2ceada19cd192ef5f200c62d0464ad4.dll
Resource
win10v2004-20221111-en
windows10-2004-x64
7 signatures
150 seconds
General
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Target
f82429c7a82e44e3b73414d229cd572ce2ceada19cd192ef5f200c62d0464ad4.dll
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Size
118KB
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MD5
8c98c16c21b630d3aa9f60ef4a136d91
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SHA1
4d5e376fe03e098e2b69ef3635ea6a59c57b866c
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SHA256
f82429c7a82e44e3b73414d229cd572ce2ceada19cd192ef5f200c62d0464ad4
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SHA512
18b9568776c90d1679ed6cd8b5ecf6956eac29da6c4450139e40c772b0dd1db932ab1f9346054f7151c1d53988514cb622f0f07314423821b172720450f1fb59
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SSDEEP
1536:H8DDS7LFiLjnavBSsOnOonMaPJtSNBeAt94nouy8Af206g:CIFYjnav4bnOAMaWeAt2outKG
Score
8/10
Malware Config
Signatures
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resource yara_rule behavioral1/memory/1712-56-0x0000000010000000-0x000000001001F000-memory.dmp upx behavioral1/files/0x000c0000000054a8-59.dat upx behavioral1/memory/1352-60-0x0000000010000000-0x000000001001F000-memory.dmp upx behavioral1/memory/1712-61-0x0000000010000000-0x000000001001F000-memory.dmp upx behavioral1/memory/1352-62-0x0000000010000000-0x000000001001F000-memory.dmp upx -
Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs
pid Process 1352 rundll32.exe 1352 rundll32.exe 1352 rundll32.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\msisue.dll rundll32.exe File created C:\Windows\msisue.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} = "f82429c7a82e44e3b73414d229cd572ce2ceada19cd192ef5f200c62d0464ad4.dll,1314612079,-85730467,-1814625877" 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 1352 rundll32.exe 1352 rundll32.exe 1352 rundll32.exe 1352 rundll32.exe 1352 rundll32.exe 1352 rundll32.exe 1352 rundll32.exe 1352 rundll32.exe 1352 rundll32.exe 1352 rundll32.exe 1352 rundll32.exe 1352 rundll32.exe 1352 rundll32.exe 1352 rundll32.exe 1352 rundll32.exe 1352 rundll32.exe 1352 rundll32.exe 1352 rundll32.exe 1352 rundll32.exe 1352 rundll32.exe 1352 rundll32.exe 1352 rundll32.exe 1352 rundll32.exe 1352 rundll32.exe 1352 rundll32.exe 1352 rundll32.exe 1352 rundll32.exe 1352 rundll32.exe 1352 rundll32.exe 1352 rundll32.exe 1352 rundll32.exe 1352 rundll32.exe 1352 rundll32.exe 1352 rundll32.exe 1352 rundll32.exe 1352 rundll32.exe 1352 rundll32.exe 1352 rundll32.exe 1352 rundll32.exe 1352 rundll32.exe 1352 rundll32.exe 1352 rundll32.exe 1352 rundll32.exe 1352 rundll32.exe 1352 rundll32.exe 1352 rundll32.exe 1352 rundll32.exe 1352 rundll32.exe 1352 rundll32.exe 1352 rundll32.exe 1352 rundll32.exe 1352 rundll32.exe 1352 rundll32.exe 1352 rundll32.exe 1352 rundll32.exe 1352 rundll32.exe 1352 rundll32.exe 1352 rundll32.exe 1352 rundll32.exe 1352 rundll32.exe 1352 rundll32.exe 1352 rundll32.exe 1352 rundll32.exe 1352 rundll32.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 1636 wrote to memory of 1712 1636 rundll32.exe 27 PID 1636 wrote to memory of 1712 1636 rundll32.exe 27 PID 1636 wrote to memory of 1712 1636 rundll32.exe 27 PID 1636 wrote to memory of 1712 1636 rundll32.exe 27 PID 1636 wrote to memory of 1712 1636 rundll32.exe 27 PID 1636 wrote to memory of 1712 1636 rundll32.exe 27 PID 1636 wrote to memory of 1712 1636 rundll32.exe 27 PID 1712 wrote to memory of 1352 1712 rundll32.exe 28 PID 1712 wrote to memory of 1352 1712 rundll32.exe 28 PID 1712 wrote to memory of 1352 1712 rundll32.exe 28 PID 1712 wrote to memory of 1352 1712 rundll32.exe 28 PID 1712 wrote to memory of 1352 1712 rundll32.exe 28 PID 1712 wrote to memory of 1352 1712 rundll32.exe 28 PID 1712 wrote to memory of 1352 1712 rundll32.exe 28
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\f82429c7a82e44e3b73414d229cd572ce2ceada19cd192ef5f200c62d0464ad4.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1636 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\f82429c7a82e44e3b73414d229cd572ce2ceada19cd192ef5f200c62d0464ad4.dll,#12⤵
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1712 -
C:\Windows\SysWOW64\rundll32.exerundll32 "C:\Windows\msisue.dll",_RunAs@163⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:1352
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
118KB
MD58c98c16c21b630d3aa9f60ef4a136d91
SHA14d5e376fe03e098e2b69ef3635ea6a59c57b866c
SHA256f82429c7a82e44e3b73414d229cd572ce2ceada19cd192ef5f200c62d0464ad4
SHA51218b9568776c90d1679ed6cd8b5ecf6956eac29da6c4450139e40c772b0dd1db932ab1f9346054f7151c1d53988514cb622f0f07314423821b172720450f1fb59