Analysis Overview
SHA256
bd8473f2fe4fb7cba21ba9128e77707d89e291134d3ed7c26bc49e086db6f729
Threat Level: Shows suspicious behavior
The file 8a772437e5ab898826c2e4e87d280be6 was found to be: Shows suspicious behavior.
Malicious Activity Summary
Installs/modifies Browser Helper Object
Drops file in System32 directory
Unsigned PE
Modifies registry class
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-02-02 20:32
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-02-02 20:32
Reported
2024-02-02 20:35
Platform
win7-20231215-en
Max time kernel
122s
Max time network
125s
Command Line
Signatures
Installs/modifies Browser Helper Object
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{BE275C77-5FF5-497F-8616-1D539F0F48EA} | C:\Users\Admin\AppData\Local\Temp\8a772437e5ab898826c2e4e87d280be6.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\regini.dll | C:\Users\Admin\AppData\Local\Temp\8a772437e5ab898826c2e4e87d280be6.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\regini.dll | C:\Users\Admin\AppData\Local\Temp\8a772437e5ab898826c2e4e87d280be6.exe | N/A |
| File created | C:\Windows\SysWOW64\icardagt.dll | C:\Users\Admin\AppData\Local\Temp\8a772437e5ab898826c2e4e87d280be6.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\icardagt.dll | C:\Users\Admin\AppData\Local\Temp\8a772437e5ab898826c2e4e87d280be6.exe | N/A |
| File created | C:\Windows\SysWOW64\shdocvs.dll | C:\Users\Admin\AppData\Local\Temp\8a772437e5ab898826c2e4e87d280be6.exe | N/A |
| File created | C:\Windows\SysWOW64\kbdbu.cpl | C:\Users\Admin\AppData\Local\Temp\8a772437e5ab898826c2e4e87d280be6.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\kbdbu.cpl | C:\Users\Admin\AppData\Local\Temp\8a772437e5ab898826c2e4e87d280be6.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BE275C77-5FF5-497F-8616-1D539F0F48EA}\InprocServer32\ThreadingModel = "Apartment" | C:\Users\Admin\AppData\Local\Temp\8a772437e5ab898826c2e4e87d280be6.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BE275C77-5FF5-497F-8616-1D539F0F48EA}\TypeLib | C:\Users\Admin\AppData\Local\Temp\8a772437e5ab898826c2e4e87d280be6.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BE275C77-5FF5-497F-8616-1D539F0F48EA}\ = "icardagt" | C:\Users\Admin\AppData\Local\Temp\8a772437e5ab898826c2e4e87d280be6.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BE275C77-5FF5-497F-8616-1D539F0F48EA}\InprocServer32 | C:\Users\Admin\AppData\Local\Temp\8a772437e5ab898826c2e4e87d280be6.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BE275C77-5FF5-497F-8616-1D539F0F48EA} | C:\Users\Admin\AppData\Local\Temp\8a772437e5ab898826c2e4e87d280be6.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BE275C77-5FF5-497F-8616-1D539F0F48EA}\InprocServer32\ = "C:\\Windows\\SysWow64\\icardagt.dll" | C:\Users\Admin\AppData\Local\Temp\8a772437e5ab898826c2e4e87d280be6.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node | C:\Users\Admin\AppData\Local\Temp\8a772437e5ab898826c2e4e87d280be6.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID | C:\Users\Admin\AppData\Local\Temp\8a772437e5ab898826c2e4e87d280be6.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BE275C77-5FF5-497F-8616-1D539F0F48EA}\TypeLib\ = "{BE275C77-5FF5-497F-8616-1D539F0F48EA}" | C:\Users\Admin\AppData\Local\Temp\8a772437e5ab898826c2e4e87d280be6.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\8a772437e5ab898826c2e4e87d280be6.exe
"C:\Users\Admin\AppData\Local\Temp\8a772437e5ab898826c2e4e87d280be6.exe"
Network
Files
C:\Windows\SysWOW64\kbdbu.cpl
| MD5 | 498ddcc29ebbf052bc744db2b3a629ba |
| SHA1 | 5b37b80aa739ac113bde68c198669fc720c1ab84 |
| SHA256 | 25d0b45e7f0841ddfbc7f0b4ee28e65f53cdcfe515ffd3a4d0a82ae2af6b74df |
| SHA512 | 10018e8d1a123f0f1b2705d34b91482e4cced969fc885598d248539ea3beda9aec993125f6f7c0e7c794ee31564e69511bcf9cb53e4c3b7213fb6adea07c61aa |
C:\Windows\SysWOW64\kbdbu.cpl
| MD5 | 2f1a108a005828bde9ecf90432d8d0e9 |
| SHA1 | c774ae00ba0fcd63f1a1331851adaf42ff3f7f18 |
| SHA256 | a4f31605fd0459a4d6f62a42ef53ef39889072367b674ac3675f86f48028d9df |
| SHA512 | dfe88b1c65737e7ab7c95d0e1b12644905ac493eb47975dff3ea13611ed31530124242b61665a486a2f82dac184f5526f238f732c92faecc2de3fe3d0790ee12 |
C:\Windows\SysWOW64\kbdbu.cpl
| MD5 | 21514a15fa2ec5c6a20d0f2067434add |
| SHA1 | 627efb2aff867c0f63607645327ae0be3082f9ca |
| SHA256 | b55e52e464038d64ed08493547aa9c93bda26c006c1045b7b1a91487f19c186d |
| SHA512 | 92c6f62ca2507b2aabdfacd43ce218b558ee25c11b239820f9dd9e8cc81e20a38d6aea76d3869e9dadd957f9dd88ab7519b805b49a2469e3d68cdf5ec604367a |
C:\Windows\SysWOW64\kbdbu.cpl
| MD5 | 4c19e8fe701b33e1e64b79b231cfe92f |
| SHA1 | e7a3c65adf2736e228758c476ba385536693767a |
| SHA256 | 0df6d70f8bf4f3c5bd59ab448461d5b7dcf108a093e0de6ab67aa527b28d50dc |
| SHA512 | b228d3080b936c5a4e6b10cedcb3cf0eef662698f4d1dcd91643bdc02e1c91f4d546dc8951c6c7c53fb7fc879223b907fbec98a0e61a49878f811396adb7b15e |
memory/1076-805-0x0000000000400000-0x000000000042C000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\ea5d4f1f.dat
| MD5 | 0f343b0931126a20f133d67c2b018a3b |
| SHA1 | 60cacbf3d72e1e7834203da608037b1bf83b40e8 |
| SHA256 | 5f70bf18a086007016e948b04aed3b82103a36bea41755b6cddfaf10ace3c6ef |
| SHA512 | 8efb4f73c5655351c444eb109230c556d39e2c7624e9c11abc9e3fb4b9b9254218cc5085b454a9698d085cfa92198491f07a723be4574adc70617b73eb0b6461 |
C:\Users\Admin\AppData\Local\Temp\55cff068.dat
| MD5 | be4b1b8d45d0729c4b39ae40fc73a86b |
| SHA1 | 3186a8f52d1a190ec2e01e222889a4798109efb6 |
| SHA256 | 00665e657472657d12d34163785cce23245e68893bca00d889d197bdf13d940f |
| SHA512 | 33cf17dfec0c0b65897def04015ac7c7ca5c5452d11477ebd960c064cc1782dbf3e15f4e17edcb1b18adeb46ed5a38f1a2caa9146740807f80c8e7630dfab050 |
Analysis: behavioral2
Detonation Overview
Submitted
2024-02-02 20:32
Reported
2024-02-02 20:35
Platform
win10v2004-20231215-en
Max time kernel
142s
Max time network
150s
Command Line
Signatures
Processes
C:\Users\Admin\AppData\Local\Temp\8a772437e5ab898826c2e4e87d280be6.exe
"C:\Users\Admin\AppData\Local\Temp\8a772437e5ab898826c2e4e87d280be6.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 181.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 150.1.37.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.160.77.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 204.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 30.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 208.143.182.52.in-addr.arpa | udp |