Analysis Overview
SHA256
8b0634456c51cdb5b026c329338a84eaf9bff1cdcefa4db0566f9aefd76b1cac
Threat Level: Shows suspicious behavior
The file 8b0634456c51cdb5b026c329338a84eaf9bff1cdcefa4db0566f9aefd76b1cac was found to be: Shows suspicious behavior.
Malicious Activity Summary
Loads dropped DLL
Drops file in Windows directory
Unsigned PE
Runs ping.exe
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-03 12:41
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-03 12:41
Reported
2024-06-03 12:44
Platform
win7-20240419-en
Max time kernel
142s
Max time network
123s
Command Line
Signatures
Loads dropped DLL
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\Fonts\font_temp.ttf | C:\Users\Admin\AppData\Local\Temp\8b0634456c51cdb5b026c329338a84eaf9bff1cdcefa4db0566f9aefd76b1cac.exe | N/A |
| File opened for modification | C:\Windows\Fonts\font_temp.ttf | C:\Users\Admin\AppData\Local\Temp\8b0634456c51cdb5b026c329338a84eaf9bff1cdcefa4db0566f9aefd76b1cac.exe | N/A |
Runs ping.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\PING.EXE | N/A |
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\8b0634456c51cdb5b026c329338a84eaf9bff1cdcefa4db0566f9aefd76b1cac.exe
"C:\Users\Admin\AppData\Local\Temp\8b0634456c51cdb5b026c329338a84eaf9bff1cdcefa4db0566f9aefd76b1cac.exe"
C:\Windows\SysWOW64\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Restart.bat
C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1 -n 2
C:\Users\Admin\AppData\Local\Temp\8b0634456c51cdb5b026c329338a84eaf9bff1cdcefa4db0566f9aefd76b1cac.exe
"C:\Users\Admin\AppData\Local\Temp\8B0634~1.EXE"
Network
Files
\Users\Admin\AppData\Local\Temp\ExuiKrnln_Win32_20230725.lib
| MD5 | a081782e61d769dcd299bb7672aed743 |
| SHA1 | 78d4795bb43ad2b949192b09987b17eba156dced |
| SHA256 | 34ece32d4bf3dab02772326afd2e5d8d1f28d7c5be6379c3d40875a03345bafa |
| SHA512 | e7384eab27e866284071709f90097db8a6bc630d5dee8b102a0f4a6b9af9a70797209bd50d00ed28899ee4628b937f44cf2eb8d5518562b3c37925ad53704ab0 |
\Users\Admin\AppData\Local\Temp\f7608d7.tmp
| MD5 | 56a2bcecbd3cddd6f4a35361bf4920d6 |
| SHA1 | 992e63be423f0e61093ba183f49fc0cbec790488 |
| SHA256 | 5fcfac18758a12e0e717a5189f379922a32b5ac12f26491e638d70b54ae1dcab |
| SHA512 | 473cbdf760242db1f0f1d0c27046c0564998f2bf931ad03feb28af3c7bd253d00e6f0836dadf37f29e0db4171eb64e6a15ed4cb9a9d28b48fb0aab601573f551 |
C:\Users\Admin\AppData\Local\Temp\font_temp.ttf
| MD5 | 092a99ee52bbaef7481cc96c5b85b992 |
| SHA1 | 06b8475f99605af9ff9ff3ed1d0eb907fd57c06b |
| SHA256 | b3f675ccfc65edd6f27432dec6639b1414e9dc627831791263a99e2d711d215d |
| SHA512 | 3538cebe1c0e2439c7ba289c4420627d59b4922e26242408f114aa01d342734b057d92edac35bee7c47cb926091695efc6c560802db0cd342f75cee1f8b96baf |
C:\Users\Admin\AppData\Local\Temp\Restart.bat
| MD5 | 978d3afcd430e12574940784a306a930 |
| SHA1 | 476b59fa345bf72049c53e7b9c0766d6cd6e30c0 |
| SHA256 | ca9869f8c04e523c71b628ca941151ef51428985506fd47130dddf859fde2220 |
| SHA512 | 970212ea574c05a7db2e622a3d5a1929dd7d2006d7e1fc780c9428372b2b9b58f851f4082bf3a9d0727bb72b92abcdb9aded071dd42ad2aecb2fd15fb7d59512 |
memory/3048-35-0x0000000061080000-0x0000000061119000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-03 12:41
Reported
2024-06-03 12:44
Platform
win10v2004-20240508-en
Max time kernel
143s
Max time network
127s
Command Line
Signatures
Loads dropped DLL
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\Fonts\font_temp.ttf | C:\Users\Admin\AppData\Local\Temp\8b0634456c51cdb5b026c329338a84eaf9bff1cdcefa4db0566f9aefd76b1cac.exe | N/A |
| File opened for modification | C:\Windows\Fonts\font_temp.ttf | C:\Users\Admin\AppData\Local\Temp\8b0634456c51cdb5b026c329338a84eaf9bff1cdcefa4db0566f9aefd76b1cac.exe | N/A |
Runs ping.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\PING.EXE | N/A |
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\8b0634456c51cdb5b026c329338a84eaf9bff1cdcefa4db0566f9aefd76b1cac.exe
"C:\Users\Admin\AppData\Local\Temp\8b0634456c51cdb5b026c329338a84eaf9bff1cdcefa4db0566f9aefd76b1cac.exe"
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\Restart.bat
C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1 -n 2
C:\Users\Admin\AppData\Local\Temp\8b0634456c51cdb5b026c329338a84eaf9bff1cdcefa4db0566f9aefd76b1cac.exe
"C:\Users\Admin\AppData\Local\Temp\8B0634~1.EXE"
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4240,i,18168883380598738769,14202261231630113808,262144 --variations-seed-version --mojo-platform-channel-handle=4268 /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 71.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 138.201.86.20.in-addr.arpa | udp |
| NL | 23.62.61.72:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 72.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
Files
C:\Users\Admin\AppData\Local\Temp\ExuiKrnln_Win32_20230725.lib
| MD5 | a081782e61d769dcd299bb7672aed743 |
| SHA1 | 78d4795bb43ad2b949192b09987b17eba156dced |
| SHA256 | 34ece32d4bf3dab02772326afd2e5d8d1f28d7c5be6379c3d40875a03345bafa |
| SHA512 | e7384eab27e866284071709f90097db8a6bc630d5dee8b102a0f4a6b9af9a70797209bd50d00ed28899ee4628b937f44cf2eb8d5518562b3c37925ad53704ab0 |
C:\Users\Admin\AppData\Local\Temp\e57e4b3.tmp
| MD5 | 56a2bcecbd3cddd6f4a35361bf4920d6 |
| SHA1 | 992e63be423f0e61093ba183f49fc0cbec790488 |
| SHA256 | 5fcfac18758a12e0e717a5189f379922a32b5ac12f26491e638d70b54ae1dcab |
| SHA512 | 473cbdf760242db1f0f1d0c27046c0564998f2bf931ad03feb28af3c7bd253d00e6f0836dadf37f29e0db4171eb64e6a15ed4cb9a9d28b48fb0aab601573f551 |
C:\Users\Admin\AppData\Local\Temp\font_temp.ttf
| MD5 | 092a99ee52bbaef7481cc96c5b85b992 |
| SHA1 | 06b8475f99605af9ff9ff3ed1d0eb907fd57c06b |
| SHA256 | b3f675ccfc65edd6f27432dec6639b1414e9dc627831791263a99e2d711d215d |
| SHA512 | 3538cebe1c0e2439c7ba289c4420627d59b4922e26242408f114aa01d342734b057d92edac35bee7c47cb926091695efc6c560802db0cd342f75cee1f8b96baf |
C:\Users\Admin\AppData\Local\Temp\Restart.bat
| MD5 | 978d3afcd430e12574940784a306a930 |
| SHA1 | 476b59fa345bf72049c53e7b9c0766d6cd6e30c0 |
| SHA256 | ca9869f8c04e523c71b628ca941151ef51428985506fd47130dddf859fde2220 |
| SHA512 | 970212ea574c05a7db2e622a3d5a1929dd7d2006d7e1fc780c9428372b2b9b58f851f4082bf3a9d0727bb72b92abcdb9aded071dd42ad2aecb2fd15fb7d59512 |
memory/732-35-0x0000000061080000-0x0000000061119000-memory.dmp