Analysis Overview
SHA256
b6138bd31f0930d6f489ac8ef0dad8333b30bcebc51c0940b19ab4cb3ffbab73
Threat Level: Likely malicious
The file b6138bd31f0930d6f489ac8ef0dad8333b30bcebc51c0940b19ab4cb3ffbab73 was found to be: Likely malicious.
Malicious Activity Summary
detect oss ak
Stops running service(s)
Creates new service(s)
Checks computer location settings
Loads dropped DLL
Adds Run key to start application
Launches sc.exe
Enumerates physical storage devices
Program crash
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of SendNotifyMessage
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of WriteProcessMemory
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-12 04:33
Signatures
detect oss ak
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Analysis: behavioral6
Detonation Overview
Submitted
2024-06-12 04:33
Reported
2024-06-12 04:36
Platform
win10v2004-20240226-en
Max time kernel
138s
Max time network
160s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\rundll32.exe |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3560 wrote to memory of 4148 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 3560 wrote to memory of 4148 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 3560 wrote to memory of 4148 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4148 -ip 4148
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4148 -s 612
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 --mojo-platform-channel-handle=4292 --field-trial-handle=2284,i,9807419199535700662,2319175108930815708,262144 --variations-seed-version /prefetch:8
Network
| Country | Destination | Domain | Proto |
| GB | 96.16.110.114:80 | tcp | |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 159.113.53.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 13.107.253.64:443 | tcp | |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | chromewebstore.googleapis.com | udp |
| US | 8.8.8.8:53 | chromewebstore.googleapis.com | udp |
| GB | 142.250.178.10:443 | chromewebstore.googleapis.com | tcp |
| US | 8.8.8.8:53 | 10.178.250.142.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.179.89.13.in-addr.arpa | udp |
Files
Analysis: behavioral17
Detonation Overview
Submitted
2024-06-12 04:33
Reported
2024-06-12 04:36
Platform
win7-20240611-en
Max time kernel
117s
Max time network
123s
Command Line
Signatures
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2448 wrote to memory of 1980 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2448 wrote to memory of 1980 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2448 wrote to memory of 1980 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2448 wrote to memory of 1980 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2448 wrote to memory of 1980 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2448 wrote to memory of 1980 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2448 wrote to memory of 1980 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\SystemClockHook.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\SystemClockHook.dll,#1
Network
Files
Analysis: behavioral22
Detonation Overview
Submitted
2024-06-12 04:33
Reported
2024-06-12 04:36
Platform
win10v2004-20240508-en
Max time kernel
51s
Max time network
56s
Command Line
Signatures
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\SystemClockHookHost_x64.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\优效日历 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\YXCalendar.exe\" --autorun" | C:\Users\Admin\AppData\Local\Temp\YXCalendar.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\SystemClockHookHost_x64.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\SystemClockHookHost_x64.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\YXCalendar.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\YXCalendar.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\YXCalendar.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\YXCalendar.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\YXCalendar.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\YXCalendar.exe | N/A |
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\YXCalendar.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\YXCalendar.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\SystemClockHookHost_x64.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1732 wrote to memory of 4444 | N/A | C:\Users\Admin\AppData\Local\Temp\SystemClockHookHost_x64.exe | C:\Users\Admin\AppData\Local\Temp\YXCalendar.exe |
| PID 1732 wrote to memory of 4444 | N/A | C:\Users\Admin\AppData\Local\Temp\SystemClockHookHost_x64.exe | C:\Users\Admin\AppData\Local\Temp\YXCalendar.exe |
| PID 1732 wrote to memory of 4444 | N/A | C:\Users\Admin\AppData\Local\Temp\SystemClockHookHost_x64.exe | C:\Users\Admin\AppData\Local\Temp\YXCalendar.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\SystemClockHookHost_x64.exe
"C:\Users\Admin\AppData\Local\Temp\SystemClockHookHost_x64.exe"
C:\Users\Admin\AppData\Local\Temp\YXCalendar.exe
"C:\Users\Admin\AppData\Local\Temp\YXCalendar.exe" --autorun
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
Files
Analysis: behavioral23
Detonation Overview
Submitted
2024-06-12 04:33
Reported
2024-06-12 04:36
Platform
win7-20240611-en
Max time kernel
120s
Max time network
123s
Command Line
Signatures
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\rundll32.exe | N/A |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\SystemClockHook_x64.dll,#1
Network
Files
Analysis: behavioral9
Detonation Overview
Submitted
2024-06-12 04:33
Reported
2024-06-12 04:36
Platform
win7-20240221-en
Max time kernel
120s
Max time network
121s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\rundll32.exe |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsDialogs.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsDialogs.dll,#1
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1724 -s 240
Network
Files
Analysis: behavioral12
Detonation Overview
Submitted
2024-06-12 04:33
Reported
2024-06-12 04:36
Platform
win10v2004-20240611-en
Max time kernel
93s
Max time network
122s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\rundll32.exe |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 532 wrote to memory of 4244 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 532 wrote to memory of 4244 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 532 wrote to memory of 4244 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsProcess.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsProcess.dll,#1
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 4244 -ip 4244
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4244 -s 600
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| NL | 23.62.61.97:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
Files
Analysis: behavioral13
Detonation Overview
Submitted
2024-06-12 04:33
Reported
2024-06-12 04:36
Platform
win7-20240508-en
Max time kernel
117s
Max time network
118s
Command Line
Signatures
Processes
C:\Users\Admin\AppData\Local\Temp\CrashReport.exe
"C:\Users\Admin\AppData\Local\Temp\CrashReport.exe"
Network
Files
Analysis: behavioral25
Detonation Overview
Submitted
2024-06-12 04:33
Reported
2024-06-12 04:36
Platform
win7-20240508-en
Max time kernel
121s
Max time network
123s
Command Line
Signatures
Processes
C:\Users\Admin\AppData\Local\Temp\SystemTimeSyncService.exe
"C:\Users\Admin\AppData\Local\Temp\SystemTimeSyncService.exe"
Network
Files
Analysis: behavioral8
Detonation Overview
Submitted
2024-06-12 04:33
Reported
2024-06-12 04:36
Platform
win10v2004-20240508-en
Max time kernel
51s
Max time network
51s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\rundll32.exe |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4216 wrote to memory of 2968 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4216 wrote to memory of 2968 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4216 wrote to memory of 2968 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\inetc.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\inetc.dll,#1
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2968 -ip 2968
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2968 -s 624
Network
Files
memory/2968-0-0x0000000075260000-0x0000000075302000-memory.dmp
memory/2968-1-0x0000000075260000-0x0000000075302000-memory.dmp
Analysis: behavioral16
Detonation Overview
Submitted
2024-06-12 04:33
Reported
2024-06-12 04:36
Platform
win10v2004-20240508-en
Max time kernel
51s
Max time network
51s
Command Line
Signatures
Creates new service(s)
Launches sc.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\sc.exe | N/A |
| N/A | N/A | C:\Windows\system32\sc.exe | N/A |
| N/A | N/A | C:\Windows\system32\sc.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2548 wrote to memory of 4284 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\sc.exe |
| PID 2548 wrote to memory of 4284 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\sc.exe |
| PID 2548 wrote to memory of 1000 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\sc.exe |
| PID 2548 wrote to memory of 1000 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\sc.exe |
| PID 2548 wrote to memory of 216 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\sc.exe |
| PID 2548 wrote to memory of 216 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\sc.exe |
Processes
C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\InstallSystemTimeSyncService.bat"
C:\Windows\system32\sc.exe
sc create "╙┼╨º╚╒└·═°┬τ╩▒╝Σ═¼▓╜╖■╬±" binPath= "C:\Users\Admin\AppData\Local\Temp\\SystemTimeSyncService.exe"
C:\Windows\system32\sc.exe
sc start "╙┼╨º╚╒└·═°┬τ╩▒╝Σ═¼▓╜╖■╬±"
C:\Users\Admin\AppData\Local\Temp\SystemTimeSyncService.exe
C:\Users\Admin\AppData\Local\Temp\\SystemTimeSyncService.exe
C:\Windows\system32\sc.exe
sc config "╙┼╨º╚╒└·═°┬τ╩▒╝Σ═¼▓╜╖■╬±" start= AUTO
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | quan.suning.com | udp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | api.m.taobao.com | udp |
Files
Analysis: behavioral26
Detonation Overview
Submitted
2024-06-12 04:33
Reported
2024-06-12 04:36
Platform
win10v2004-20240611-en
Max time kernel
149s
Max time network
152s
Command Line
Signatures
Processes
C:\Users\Admin\AppData\Local\Temp\SystemTimeSyncService.exe
"C:\Users\Admin\AppData\Local\Temp\SystemTimeSyncService.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| NL | 23.62.61.194:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 140.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 10.179.89.13.in-addr.arpa | udp |
Files
Analysis: behavioral28
Detonation Overview
Submitted
2024-06-12 04:33
Reported
2024-06-12 04:36
Platform
win10v2004-20240611-en
Max time kernel
92s
Max time network
122s
Command Line
Signatures
Stops running service(s)
Launches sc.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\sc.exe | N/A |
| N/A | N/A | C:\Windows\system32\sc.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2516 wrote to memory of 692 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\sc.exe |
| PID 2516 wrote to memory of 692 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\sc.exe |
| PID 2516 wrote to memory of 1924 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\sc.exe |
| PID 2516 wrote to memory of 1924 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\sc.exe |
Processes
C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\UninstallSystemTimeSyncService.bat"
C:\Windows\system32\sc.exe
sc stop "╙┼╨º╚╒└·═°┬τ╩▒╝Σ═¼▓╜╖■╬±"
C:\Windows\system32\sc.exe
sc delete "╙┼╨º╚╒└·═°┬τ╩▒╝Σ═¼▓╜╖■╬±"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 14.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.236.111.52.in-addr.arpa | udp |
Files
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-12 04:33
Reported
2024-06-12 04:36
Platform
win10v2004-20240611-en
Max time kernel
149s
Max time network
150s
Command Line
Signatures
Loads dropped DLL
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Processes
C:\Users\Admin\AppData\Local\Temp\b6138bd31f0930d6f489ac8ef0dad8333b30bcebc51c0940b19ab4cb3ffbab73.exe
"C:\Users\Admin\AppData\Local\Temp\b6138bd31f0930d6f489ac8ef0dad8333b30bcebc51c0940b19ab4cb3ffbab73.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| NL | 23.62.61.194:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 73.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | udp |
Files
C:\Users\Admin\AppData\Local\Temp\nse37FA.tmp\LogEx.dll
| MD5 | 0f96d9eb959ad4e8fd205e6d58cf01b8 |
| SHA1 | 7c45512cbdb24216afd23a9e8cdce0cfeaa7660f |
| SHA256 | 57ede354532937e38c4ae9da3710ee295705ea9770c402dfb3a5c56a32fd4314 |
| SHA512 | 9f3afb61d75ac7b7dc84abcbf1b04f759b7055992d46140dc5dcc269aed22268d044ee8030f5ea260bbb912774e5bbb751560c16e54efa99c700b9fc7d48832c |
C:\Users\Admin\AppData\Local\Temp\nse37FA.tmp\nsProcess.dll
| MD5 | f0438a894f3a7e01a4aae8d1b5dd0289 |
| SHA1 | b058e3fcfb7b550041da16bf10d8837024c38bf6 |
| SHA256 | 30c6c3dd3cc7fcea6e6081ce821adc7b2888542dae30bf00e881c0a105eb4d11 |
| SHA512 | f91fcea19cbddf8086affcb63fe599dc2b36351fc81ac144f58a80a524043ddeaa3943f36c86ebae45dd82e8faf622ea7b7c9b776e74c54b93df2963cfe66cc7 |
C:\Users\Admin\AppData\Local\Temp\nse37FA.tmp\nsDialogs.dll
| MD5 | 6c3f8c94d0727894d706940a8a980543 |
| SHA1 | 0d1bcad901be377f38d579aafc0c41c0ef8dcefd |
| SHA256 | 56b96add1978b1abba286f7f8982b0efbe007d4a48b3ded6a4d408e01d753fe2 |
| SHA512 | 2094f0e4bb7c806a5ff27f83a1d572a5512d979eefda3345baff27d2c89e828f68466d08c3ca250da11b01fc0407a21743037c25e94fbe688566dd7deaebd355 |
C:\Users\Admin\AppData\Local\Temp\nse37FA.tmp\System.dll
| MD5 | cff85c549d536f651d4fb8387f1976f2 |
| SHA1 | d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e |
| SHA256 | 8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8 |
| SHA512 | 531d6328daf3b86d85556016d299798fa06fefc81604185108a342d000e203094c8c12226a12bd6e1f89b0db501fb66f827b610d460b933bd4ab936ac2fd8a88 |
Analysis: behavioral14
Detonation Overview
Submitted
2024-06-12 04:33
Reported
2024-06-12 04:36
Platform
win10v2004-20240508-en
Max time kernel
147s
Max time network
150s
Command Line
Signatures
Processes
C:\Users\Admin\AppData\Local\Temp\CrashReport.exe
"C:\Users\Admin\AppData\Local\Temp\CrashReport.exe"
Network
Files
Analysis: behavioral18
Detonation Overview
Submitted
2024-06-12 04:33
Reported
2024-06-12 04:36
Platform
win10v2004-20240226-en
Max time kernel
141s
Max time network
160s
Command Line
Signatures
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4748 wrote to memory of 1528 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4748 wrote to memory of 1528 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4748 wrote to memory of 1528 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\SystemClockHook.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\SystemClockHook.dll,#1
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 --mojo-platform-channel-handle=4104 --field-trial-handle=2280,i,11703952675008463361,17436195144517971517,262144 --variations-seed-version /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| GB | 23.44.234.16:80 | tcp | |
| US | 8.8.8.8:53 | 73.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 13.107.253.64:443 | tcp | |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 159.113.53.23.in-addr.arpa | udp |
| NL | 52.142.223.178:80 | tcp | |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.179.89.13.in-addr.arpa | udp |
Files
Analysis: behavioral21
Detonation Overview
Submitted
2024-06-12 04:33
Reported
2024-06-12 04:36
Platform
win7-20240220-en
Max time kernel
126s
Max time network
119s
Command Line
Signatures
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\优效日历 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\YXCalendar.exe\" --autorun" | C:\Users\Admin\AppData\Local\Temp\YXCalendar.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\SystemClockHookHost_x64.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\YXCalendar.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\YXCalendar.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\SystemClockHookHost_x64.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\SystemClockHookHost_x64.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\YXCalendar.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\SystemClockHookHost_x64.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\YXCalendar.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\SystemClockHookHost_x64.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\YXCalendar.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\SystemClockHookHost_x64.exe | N/A |
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\YXCalendar.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\YXCalendar.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\YXCalendar.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\SystemClockHookHost_x64.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\SystemClockHookHost_x64.exe
"C:\Users\Admin\AppData\Local\Temp\SystemClockHookHost_x64.exe"
C:\Users\Admin\AppData\Local\Temp\YXCalendar.exe
"C:\Users\Admin\AppData\Local\Temp\YXCalendar.exe" --autorun
C:\Users\Admin\AppData\Local\Temp\SystemClockHookHost_x64.exe
"C:\Users\Admin\AppData\Local\Temp\SystemClockHookHost_x64.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | www.yxcal.com | udp |
| CN | 39.108.156.233:443 | www.yxcal.com | tcp |
| US | 8.8.8.8:53 | v0.yiketianqi.com | udp |
| CN | 43.142.61.38:443 | v0.yiketianqi.com | tcp |
| US | 8.8.8.8:53 | www.youxiao.cn | udp |
| CN | 58.218.215.166:443 | www.youxiao.cn | tcp |
| CN | 58.218.215.168:443 | www.youxiao.cn | tcp |
| CN | 58.218.215.169:443 | www.youxiao.cn | tcp |
| US | 8.8.8.8:53 | www.tianqiapi.com | udp |
| CN | 58.218.215.167:443 | www.youxiao.cn | tcp |
| CN | 101.201.64.149:443 | www.tianqiapi.com | tcp |
| CN | 58.218.215.164:443 | www.youxiao.cn | tcp |
| CN | 58.218.215.165:443 | www.youxiao.cn | tcp |
| CN | 58.218.215.162:443 | www.youxiao.cn | tcp |
| CN | 58.218.215.163:443 | www.youxiao.cn | tcp |
| CN | 43.142.61.38:443 | v0.yiketianqi.com | tcp |
| CN | 39.108.156.233:443 | www.yxcal.com | tcp |
| CN | 43.142.61.38:443 | v0.yiketianqi.com | tcp |
| CN | 43.142.61.38:443 | v0.yiketianqi.com | tcp |
| CN | 43.142.61.38:443 | v0.yiketianqi.com | tcp |
| CN | 43.142.61.38:443 | v0.yiketianqi.com | tcp |
| CN | 43.142.61.38:443 | v0.yiketianqi.com | tcp |
| CN | 43.142.61.38:443 | v0.yiketianqi.com | tcp |
| CN | 43.142.61.38:443 | v0.yiketianqi.com | tcp |
| CN | 43.142.61.38:443 | v0.yiketianqi.com | tcp |
| CN | 43.142.61.38:443 | v0.yiketianqi.com | tcp |
| CN | 43.142.61.38:443 | v0.yiketianqi.com | tcp |
| CN | 43.142.61.38:443 | v0.yiketianqi.com | tcp |
| CN | 43.142.61.38:443 | v0.yiketianqi.com | tcp |
| CN | 43.142.61.38:443 | v0.yiketianqi.com | tcp |
| CN | 43.142.61.38:443 | v0.yiketianqi.com | tcp |
| CN | 43.142.61.38:443 | v0.yiketianqi.com | tcp |
| CN | 43.142.61.38:443 | v0.yiketianqi.com | tcp |
| CN | 43.142.61.38:443 | v0.yiketianqi.com | tcp |
| CN | 43.142.61.38:443 | v0.yiketianqi.com | tcp |
| CN | 43.142.61.38:443 | v0.yiketianqi.com | tcp |
| CN | 43.142.61.38:443 | v0.yiketianqi.com | tcp |
| CN | 43.142.61.38:443 | v0.yiketianqi.com | tcp |
| CN | 43.142.61.38:443 | v0.yiketianqi.com | tcp |
| CN | 43.142.61.38:443 | v0.yiketianqi.com | tcp |
| CN | 43.142.61.38:443 | v0.yiketianqi.com | tcp |
| CN | 43.142.61.38:443 | v0.yiketianqi.com | tcp |
| CN | 43.142.61.38:443 | v0.yiketianqi.com | tcp |
| CN | 43.142.61.38:443 | v0.yiketianqi.com | tcp |
| CN | 43.142.61.38:443 | v0.yiketianqi.com | tcp |
| CN | 43.142.61.38:443 | v0.yiketianqi.com | tcp |
Files
Analysis: behavioral30
Detonation Overview
Submitted
2024-06-12 04:33
Reported
2024-06-12 04:36
Platform
win10v2004-20240508-en
Max time kernel
142s
Max time network
148s
Command Line
Signatures
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\优效日历 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\YXCalendar.exe\" --autorun" | C:\Users\Admin\AppData\Local\Temp\YXCalendar.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\YXCalendar.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\YXCalendar.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\YXCalendar.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\YXCalendar.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\YXCalendar.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\YXCalendar.exe | N/A |
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\YXCalendar.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\YXCalendar.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\YXCalendar.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\YXCalendar.exe
"C:\Users\Admin\AppData\Local\Temp\YXCalendar.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=3404,i,1999448010053300448,1112699187621658374,262144 --variations-seed-version --mojo-platform-channel-handle=4624 /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
Files
Analysis: behavioral32
Detonation Overview
Submitted
2024-06-12 04:33
Reported
2024-06-12 04:36
Platform
win10v2004-20240226-en
Max time kernel
140s
Max time network
158s
Command Line
Signatures
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1384 wrote to memory of 4892 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1384 wrote to memory of 4892 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1384 wrote to memory of 4892 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\YXCapture.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\YXCapture.dll,#1
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 --mojo-platform-channel-handle=3180 --field-trial-handle=2280,i,716736634476467098,11449718822158202904,262144 --variations-seed-version /prefetch:8
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 | 81.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 140.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.179.89.13.in-addr.arpa | udp |
Files
Analysis: behavioral4
Detonation Overview
Submitted
2024-06-12 04:33
Reported
2024-06-12 04:36
Platform
win10v2004-20240508-en
Max time kernel
51s
Max time network
51s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\rundll32.exe |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3772 wrote to memory of 232 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 3772 wrote to memory of 232 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 3772 wrote to memory of 232 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\LogEx.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\LogEx.dll,#1
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 232 -ip 232
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 232 -s 600
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
Files
Analysis: behavioral5
Detonation Overview
Submitted
2024-06-12 04:33
Reported
2024-06-12 04:36
Platform
win7-20240611-en
Max time kernel
122s
Max time network
123s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\rundll32.exe |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1744 -s 220
Network
Files
Analysis: behavioral10
Detonation Overview
Submitted
2024-06-12 04:33
Reported
2024-06-12 04:36
Platform
win10v2004-20240508-en
Max time kernel
143s
Max time network
149s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\rundll32.exe |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3340 wrote to memory of 3348 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 3340 wrote to memory of 3348 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 3340 wrote to memory of 3348 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsDialogs.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsDialogs.dll,#1
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3348 -ip 3348
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3348 -s 636
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=4028,i,13281073920029625837,8253721632651544158,262144 --variations-seed-version --mojo-platform-channel-handle=3984 /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
Files
Analysis: behavioral20
Detonation Overview
Submitted
2024-06-12 04:33
Reported
2024-06-12 04:36
Platform
win10v2004-20240508-en
Max time kernel
51s
Max time network
51s
Command Line
Signatures
Processes
C:\Users\Admin\AppData\Local\Temp\SystemClockHookHost.exe
"C:\Users\Admin\AppData\Local\Temp\SystemClockHookHost.exe"
Network
Files
Analysis: behavioral3
Detonation Overview
Submitted
2024-06-12 04:33
Reported
2024-06-12 04:36
Platform
win7-20240220-en
Max time kernel
120s
Max time network
121s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\rundll32.exe |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\LogEx.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\LogEx.dll,#1
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2100 -s 224
Network
Files
Analysis: behavioral29
Detonation Overview
Submitted
2024-06-12 04:33
Reported
2024-06-12 04:36
Platform
win7-20240419-en
Max time kernel
122s
Max time network
123s
Command Line
Signatures
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Windows\CurrentVersion\Run\优效日历 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\YXCalendar.exe\" --autorun" | C:\Users\Admin\AppData\Local\Temp\YXCalendar.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\YXCalendar.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\YXCalendar.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\YXCalendar.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\YXCalendar.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\YXCalendar.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\YXCalendar.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\YXCalendar.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\YXCalendar.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeShutdownPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\YXCalendar.exe | N/A |
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\YXCalendar.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\YXCalendar.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\YXCalendar.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\YXCalendar.exe
"C:\Users\Admin\AppData\Local\Temp\YXCalendar.exe"
Network
Files
Analysis: behavioral7
Detonation Overview
Submitted
2024-06-12 04:33
Reported
2024-06-12 04:36
Platform
win7-20240221-en
Max time kernel
120s
Max time network
122s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\rundll32.exe |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\inetc.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\inetc.dll,#1
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2364 -s 232
Network
Files
memory/2364-1-0x0000000074DD0000-0x0000000074E72000-memory.dmp
memory/2364-0-0x0000000074DD0000-0x0000000074E72000-memory.dmp
memory/2364-2-0x0000000074DB0000-0x0000000074E52000-memory.dmp
memory/2364-3-0x0000000074DD0000-0x0000000074E72000-memory.dmp
memory/2364-4-0x0000000074DD0000-0x0000000074E72000-memory.dmp
memory/2364-5-0x0000000074D10000-0x0000000074DB2000-memory.dmp
Analysis: behavioral15
Detonation Overview
Submitted
2024-06-12 04:33
Reported
2024-06-12 04:36
Platform
win7-20240508-en
Max time kernel
119s
Max time network
120s
Command Line
Signatures
Creates new service(s)
Launches sc.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\sc.exe | N/A |
| N/A | N/A | C:\Windows\system32\sc.exe | N/A |
| N/A | N/A | C:\Windows\system32\sc.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2416 wrote to memory of 2144 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\sc.exe |
| PID 2416 wrote to memory of 2144 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\sc.exe |
| PID 2416 wrote to memory of 2144 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\sc.exe |
| PID 2416 wrote to memory of 2352 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\sc.exe |
| PID 2416 wrote to memory of 2352 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\sc.exe |
| PID 2416 wrote to memory of 2352 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\sc.exe |
| PID 2416 wrote to memory of 2908 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\sc.exe |
| PID 2416 wrote to memory of 2908 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\sc.exe |
| PID 2416 wrote to memory of 2908 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\sc.exe |
Processes
C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\InstallSystemTimeSyncService.bat"
C:\Windows\system32\sc.exe
sc create "╙┼╨º╚╒└·═°┬τ╩▒╝Σ═¼▓╜╖■╬±" binPath= "C:\Users\Admin\AppData\Local\Temp\\SystemTimeSyncService.exe"
C:\Windows\system32\sc.exe
sc start "╙┼╨º╚╒└·═°┬τ╩▒╝Σ═¼▓╜╖■╬±"
C:\Users\Admin\AppData\Local\Temp\SystemTimeSyncService.exe
C:\Users\Admin\AppData\Local\Temp\\SystemTimeSyncService.exe
C:\Windows\system32\sc.exe
sc config "╙┼╨º╚╒└·═°┬τ╩▒╝Σ═¼▓╜╖■╬±" start= AUTO
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | quan.suning.com | udp |
| US | 8.8.8.8:53 | api.m.taobao.com | udp |
Files
Analysis: behavioral31
Detonation Overview
Submitted
2024-06-12 04:33
Reported
2024-06-12 04:36
Platform
win7-20240611-en
Max time kernel
119s
Max time network
126s
Command Line
Signatures
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2968 wrote to memory of 1192 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2968 wrote to memory of 1192 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2968 wrote to memory of 1192 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2968 wrote to memory of 1192 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2968 wrote to memory of 1192 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2968 wrote to memory of 1192 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2968 wrote to memory of 1192 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\YXCapture.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\YXCapture.dll,#1
Network
Files
Analysis: behavioral27
Detonation Overview
Submitted
2024-06-12 04:33
Reported
2024-06-12 04:36
Platform
win7-20240611-en
Max time kernel
118s
Max time network
119s
Command Line
Signatures
Stops running service(s)
Launches sc.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\sc.exe | N/A |
| N/A | N/A | C:\Windows\system32\sc.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2472 wrote to memory of 2196 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\sc.exe |
| PID 2472 wrote to memory of 2196 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\sc.exe |
| PID 2472 wrote to memory of 2196 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\sc.exe |
| PID 2472 wrote to memory of 2320 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\sc.exe |
| PID 2472 wrote to memory of 2320 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\sc.exe |
| PID 2472 wrote to memory of 2320 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\sc.exe |
Processes
C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\UninstallSystemTimeSyncService.bat"
C:\Windows\system32\sc.exe
sc stop "╙┼╨º╚╒└·═°┬τ╩▒╝Σ═¼▓╜╖■╬±"
C:\Windows\system32\sc.exe
sc delete "╙┼╨º╚╒└·═°┬τ╩▒╝Σ═¼▓╜╖■╬±"
Network
Files
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-12 04:33
Reported
2024-06-12 04:36
Platform
win7-20240508-en
Max time kernel
118s
Max time network
119s
Command Line
Signatures
Loads dropped DLL
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b6138bd31f0930d6f489ac8ef0dad8333b30bcebc51c0940b19ab4cb3ffbab73.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\b6138bd31f0930d6f489ac8ef0dad8333b30bcebc51c0940b19ab4cb3ffbab73.exe
"C:\Users\Admin\AppData\Local\Temp\b6138bd31f0930d6f489ac8ef0dad8333b30bcebc51c0940b19ab4cb3ffbab73.exe"
Network
Files
\Users\Admin\AppData\Local\Temp\nsi284A.tmp\nsProcess.dll
| MD5 | f0438a894f3a7e01a4aae8d1b5dd0289 |
| SHA1 | b058e3fcfb7b550041da16bf10d8837024c38bf6 |
| SHA256 | 30c6c3dd3cc7fcea6e6081ce821adc7b2888542dae30bf00e881c0a105eb4d11 |
| SHA512 | f91fcea19cbddf8086affcb63fe599dc2b36351fc81ac144f58a80a524043ddeaa3943f36c86ebae45dd82e8faf622ea7b7c9b776e74c54b93df2963cfe66cc7 |
\Users\Admin\AppData\Local\Temp\nsi284A.tmp\LogEx.dll
| MD5 | 0f96d9eb959ad4e8fd205e6d58cf01b8 |
| SHA1 | 7c45512cbdb24216afd23a9e8cdce0cfeaa7660f |
| SHA256 | 57ede354532937e38c4ae9da3710ee295705ea9770c402dfb3a5c56a32fd4314 |
| SHA512 | 9f3afb61d75ac7b7dc84abcbf1b04f759b7055992d46140dc5dcc269aed22268d044ee8030f5ea260bbb912774e5bbb751560c16e54efa99c700b9fc7d48832c |
\Users\Admin\AppData\Local\Temp\nsi284A.tmp\nsDialogs.dll
| MD5 | 6c3f8c94d0727894d706940a8a980543 |
| SHA1 | 0d1bcad901be377f38d579aafc0c41c0ef8dcefd |
| SHA256 | 56b96add1978b1abba286f7f8982b0efbe007d4a48b3ded6a4d408e01d753fe2 |
| SHA512 | 2094f0e4bb7c806a5ff27f83a1d572a5512d979eefda3345baff27d2c89e828f68466d08c3ca250da11b01fc0407a21743037c25e94fbe688566dd7deaebd355 |
\Users\Admin\AppData\Local\Temp\nsi284A.tmp\System.dll
| MD5 | cff85c549d536f651d4fb8387f1976f2 |
| SHA1 | d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e |
| SHA256 | 8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8 |
| SHA512 | 531d6328daf3b86d85556016d299798fa06fefc81604185108a342d000e203094c8c12226a12bd6e1f89b0db501fb66f827b610d460b933bd4ab936ac2fd8a88 |
Analysis: behavioral11
Detonation Overview
Submitted
2024-06-12 04:33
Reported
2024-06-12 04:36
Platform
win7-20240611-en
Max time kernel
119s
Max time network
121s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\rundll32.exe |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsProcess.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsProcess.dll,#1
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2220 -s 224
Network
Files
Analysis: behavioral19
Detonation Overview
Submitted
2024-06-12 04:33
Reported
2024-06-12 04:36
Platform
win7-20240221-en
Max time kernel
117s
Max time network
118s
Command Line
Signatures
Processes
C:\Users\Admin\AppData\Local\Temp\SystemClockHookHost.exe
"C:\Users\Admin\AppData\Local\Temp\SystemClockHookHost.exe"
Network
Files
Analysis: behavioral24
Detonation Overview
Submitted
2024-06-12 04:33
Reported
2024-06-12 04:36
Platform
win10v2004-20240508-en
Max time kernel
51s
Max time network
51s
Command Line
Signatures
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\rundll32.exe | N/A |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\SystemClockHook_x64.dll,#1