Analysis Overview
SHA256
9c658d451b2a7ba29c3c104c205967ad19c8b820271304fdfc97c2d3df0d4616
Threat Level: Shows suspicious behavior
The file 9c658d451b2a7ba29c3c104c205967ad19c8b820271304fdfc97c2d3df0d4616 was found to be: Shows suspicious behavior.
Malicious Activity Summary
Deletes itself
UPX packed file
Checks computer location settings
Executes dropped EXE
Drops file in Windows directory
Unsigned PE
Enumerates physical storage devices
Checks processor information in registry
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-14 01:51
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-14 01:51
Reported
2024-06-14 01:53
Platform
win7-20240221-en
Max time kernel
140s
Max time network
124s
Command Line
Signatures
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Debug\evdhost.exe | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
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| N/A | N/A | N/A | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\Debug\evdhost.exe | C:\Users\Admin\AppData\Local\Temp\9c658d451b2a7ba29c3c104c205967ad19c8b820271304fdfc97c2d3df0d4616.exe | N/A |
| File opened for modification | C:\Windows\Debug\evdhost.exe | C:\Users\Admin\AppData\Local\Temp\9c658d451b2a7ba29c3c104c205967ad19c8b820271304fdfc97c2d3df0d4616.exe | N/A |
Enumerates physical storage devices
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Windows\Debug\evdhost.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz | C:\Windows\Debug\evdhost.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\9c658d451b2a7ba29c3c104c205967ad19c8b820271304fdfc97c2d3df0d4616.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2176 wrote to memory of 1448 | N/A | C:\Users\Admin\AppData\Local\Temp\9c658d451b2a7ba29c3c104c205967ad19c8b820271304fdfc97c2d3df0d4616.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2176 wrote to memory of 1448 | N/A | C:\Users\Admin\AppData\Local\Temp\9c658d451b2a7ba29c3c104c205967ad19c8b820271304fdfc97c2d3df0d4616.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2176 wrote to memory of 1448 | N/A | C:\Users\Admin\AppData\Local\Temp\9c658d451b2a7ba29c3c104c205967ad19c8b820271304fdfc97c2d3df0d4616.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2176 wrote to memory of 1448 | N/A | C:\Users\Admin\AppData\Local\Temp\9c658d451b2a7ba29c3c104c205967ad19c8b820271304fdfc97c2d3df0d4616.exe | C:\Windows\SysWOW64\cmd.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\9c658d451b2a7ba29c3c104c205967ad19c8b820271304fdfc97c2d3df0d4616.exe
"C:\Users\Admin\AppData\Local\Temp\9c658d451b2a7ba29c3c104c205967ad19c8b820271304fdfc97c2d3df0d4616.exe"
C:\Windows\Debug\evdhost.exe
C:\Windows\Debug\evdhost.exe
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\9C658D~1.EXE > nul
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | www.baidu.com | udp |
| HK | 103.235.47.103:80 | www.baidu.com | tcp |
| US | 8.8.8.8:53 | HTm3nEk9UC.ping.aspx.ga | udp |
| US | 8.8.8.8:53 | t6OePqMk7o.ping.aspx.ga | udp |
| US | 8.8.8.8:53 | lxGWHiEcyg.ping.aspx.ga | udp |
Files
memory/2176-0-0x0000000010000000-0x000000001000E000-memory.dmp
memory/2176-5-0x0000000010000000-0x000000001000E000-memory.dmp
C:\Windows\debug\evdhost.exe
| MD5 | b86e4f5991c54837a94e797d8baf42df |
| SHA1 | 11a148059b0899ea423a9452dbc55e75cdf37c4c |
| SHA256 | b89a9d8dc5c408bd725bd34e979c8d94e5dd20712e22db07396199dee6f706b8 |
| SHA512 | cf65ca266aefd5058ba9bb879f05309eee744d939af40f23fa51b1ec71ef1b4024d84cd9a9330a99db897fb0dd71789dbedd736c6b66710bbb69affbd6040ba9 |
memory/1840-11-0x0000000010000000-0x000000001000E000-memory.dmp
memory/1840-12-0x0000000010000000-0x000000001000E000-memory.dmp
memory/1840-14-0x0000000010000000-0x000000001000E000-memory.dmp
memory/1840-16-0x0000000010000000-0x000000001000E000-memory.dmp
memory/1840-17-0x0000000010000000-0x000000001000E000-memory.dmp
memory/1840-19-0x0000000010000000-0x000000001000E000-memory.dmp
memory/1840-21-0x0000000010000000-0x000000001000E000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-14 01:51
Reported
2024-06-14 01:53
Platform
win10v2004-20240226-en
Max time kernel
145s
Max time network
151s
Command Line
Signatures
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\9c658d451b2a7ba29c3c104c205967ad19c8b820271304fdfc97c2d3df0d4616.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Debug\ctbhost.exe | N/A |
UPX packed file
| 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 |
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Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\Debug\ctbhost.exe | C:\Users\Admin\AppData\Local\Temp\9c658d451b2a7ba29c3c104c205967ad19c8b820271304fdfc97c2d3df0d4616.exe | N/A |
| File opened for modification | C:\Windows\Debug\ctbhost.exe | C:\Users\Admin\AppData\Local\Temp\9c658d451b2a7ba29c3c104c205967ad19c8b820271304fdfc97c2d3df0d4616.exe | N/A |
Enumerates physical storage devices
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Windows\Debug\ctbhost.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz | C:\Windows\Debug\ctbhost.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\9c658d451b2a7ba29c3c104c205967ad19c8b820271304fdfc97c2d3df0d4616.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1420 wrote to memory of 3672 | N/A | C:\Users\Admin\AppData\Local\Temp\9c658d451b2a7ba29c3c104c205967ad19c8b820271304fdfc97c2d3df0d4616.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 1420 wrote to memory of 3672 | N/A | C:\Users\Admin\AppData\Local\Temp\9c658d451b2a7ba29c3c104c205967ad19c8b820271304fdfc97c2d3df0d4616.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 1420 wrote to memory of 3672 | N/A | C:\Users\Admin\AppData\Local\Temp\9c658d451b2a7ba29c3c104c205967ad19c8b820271304fdfc97c2d3df0d4616.exe | C:\Windows\SysWOW64\cmd.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\9c658d451b2a7ba29c3c104c205967ad19c8b820271304fdfc97c2d3df0d4616.exe
"C:\Users\Admin\AppData\Local\Temp\9c658d451b2a7ba29c3c104c205967ad19c8b820271304fdfc97c2d3df0d4616.exe"
C:\Windows\Debug\ctbhost.exe
C:\Windows\Debug\ctbhost.exe
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\9C658D~1.EXE > nul
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=1032 --field-trial-handle=2744,i,16362475727591565961,3676688664819797550,262144 --variations-seed-version /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | www.baidu.com | udp |
| HK | 103.235.46.40:80 | www.baidu.com | tcp |
| US | 8.8.8.8:53 | 40.46.235.103.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| GB | 172.217.169.74:443 | tcp | |
| US | 8.8.8.8:53 | 20.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 13.107.253.64:443 | tcp | |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | am6L7X4RnV.ping.aspx.ga | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | iuDTEfBZvd.ping.aspx.ga | udp |
| US | 8.8.8.8:53 | bn7M8Y5SoW.ping.aspx.ga | udp |
| US | 8.8.8.8:53 | 201.201.50.20.in-addr.arpa | udp |
Files
memory/1420-0-0x0000000010000000-0x000000001000E000-memory.dmp
memory/1420-3-0x0000000010000000-0x000000001000E000-memory.dmp
C:\Windows\debug\ctbhost.exe
| MD5 | 3edf91b30a77cd2b561e188f6aea39ce |
| SHA1 | 5ab027b0965ffa83149d839ad41dbf96fa872ab8 |
| SHA256 | 72812ccb83396b3c5f0fc8c9af4fb652969b30843a92b9c04f0a92190708e919 |
| SHA512 | a65eb425ccdc26d0112935aca6f171a1b86e17bba8ee1c48f71b5817e46683fd1692d2e8c0d2a41af08f1a822b8379d67e6e023d40e4dcccb8f55067f79d3d04 |
memory/3100-11-0x0000000010000000-0x000000001000E000-memory.dmp
memory/3100-12-0x0000000010000000-0x000000001000E000-memory.dmp
memory/1420-14-0x0000000010000000-0x000000001000E000-memory.dmp
memory/3100-15-0x0000000010000000-0x000000001000E000-memory.dmp
memory/3100-17-0x0000000010000000-0x000000001000E000-memory.dmp
memory/3100-18-0x0000000010000000-0x000000001000E000-memory.dmp
memory/3100-20-0x0000000010000000-0x000000001000E000-memory.dmp
memory/3100-22-0x0000000010000000-0x000000001000E000-memory.dmp