Analysis Overview
SHA256
eb01dda6ffa6a5ae66dedab0e1ae0d8ab191b6962b63d54b5ad1a5cc2ff889a8
Threat Level: Shows suspicious behavior
The file dcc1fccea936b05c4383f8c535b29016 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
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-03-25 00:09
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-03-25 00:09
Reported
2024-03-25 00:12
Platform
win7-20240221-en
Max time kernel
118s
Max time network
123s
Command Line
Signatures
Installs/modifies Browser Helper Object
| Description | Indicator | Process | Target |
| Key deleted | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{18DF081C-E8AD-4283-A596-FA578C2EBDC3} | C:\Users\Admin\AppData\Local\Temp\dcc1fccea936b05c4383f8c535b29016.exe | N/A |
| Key deleted | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{72853161-30C5-4D22-B7F9-0BBC1D38A37E} | C:\Users\Admin\AppData\Local\Temp\dcc1fccea936b05c4383f8c535b29016.exe | N/A |
| Key deleted | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{B4F3A835-0E21-4959-BA22-42B3008E02FF} | C:\Users\Admin\AppData\Local\Temp\dcc1fccea936b05c4383f8c535b29016.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\mfccmd.dll | C:\Users\Admin\AppData\Local\Temp\dcc1fccea936b05c4383f8c535b29016.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key deleted | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{18DF081C-E8AD-4283-A596-FA578C2EBDC3}\Programmable | C:\Users\Admin\AppData\Local\Temp\dcc1fccea936b05c4383f8c535b29016.exe | N/A |
| Key deleted | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{18DF081C-E8AD-4283-A596-FA578C2EBDC3} | C:\Users\Admin\AppData\Local\Temp\dcc1fccea936b05c4383f8c535b29016.exe | N/A |
| Key deleted | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B4F3A835-0E21-4959-BA22-42B3008E02FF}\Version | C:\Users\Admin\AppData\Local\Temp\dcc1fccea936b05c4383f8c535b29016.exe | N/A |
| Key deleted | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B4F3A835-0E21-4959-BA22-42B3008E02FF} | C:\Users\Admin\AppData\Local\Temp\dcc1fccea936b05c4383f8c535b29016.exe | N/A |
| Key deleted | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{18DF081C-E8AD-4283-A596-FA578C2EBDC3}\VersionIndependentProgID | C:\Users\Admin\AppData\Local\Temp\dcc1fccea936b05c4383f8c535b29016.exe | N/A |
| Key deleted | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{18DF081C-E8AD-4283-A596-FA578C2EBDC3}\TypeLib | C:\Users\Admin\AppData\Local\Temp\dcc1fccea936b05c4383f8c535b29016.exe | N/A |
| Key deleted | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{18DF081C-E8AD-4283-A596-FA578C2EBDC3}\InprocServer32 | C:\Users\Admin\AppData\Local\Temp\dcc1fccea936b05c4383f8c535b29016.exe | N/A |
| Key deleted | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B4F3A835-0E21-4959-BA22-42B3008E02FF}\VersionIndependentProgID | C:\Users\Admin\AppData\Local\Temp\dcc1fccea936b05c4383f8c535b29016.exe | N/A |
| Key deleted | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{72853161-30C5-4D22-B7F9-0BBC1D38A37E} | C:\Users\Admin\AppData\Local\Temp\dcc1fccea936b05c4383f8c535b29016.exe | N/A |
| Key deleted | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B4F3A835-0E21-4959-BA22-42B3008E02FF}\ProgID | C:\Users\Admin\AppData\Local\Temp\dcc1fccea936b05c4383f8c535b29016.exe | N/A |
| Key deleted | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B4F3A835-0E21-4959-BA22-42B3008E02FF}\InprocServer32 | C:\Users\Admin\AppData\Local\Temp\dcc1fccea936b05c4383f8c535b29016.exe | N/A |
| Key deleted | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{18DF081C-E8AD-4283-A596-FA578C2EBDC3}\ProgID | C:\Users\Admin\AppData\Local\Temp\dcc1fccea936b05c4383f8c535b29016.exe | N/A |
| Key deleted | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{72853161-30C5-4D22-B7F9-0BBC1D38A37E}\InprocServer32 | C:\Users\Admin\AppData\Local\Temp\dcc1fccea936b05c4383f8c535b29016.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\dcc1fccea936b05c4383f8c535b29016.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\dcc1fccea936b05c4383f8c535b29016.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\dcc1fccea936b05c4383f8c535b29016.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\dcc1fccea936b05c4383f8c535b29016.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\dcc1fccea936b05c4383f8c535b29016.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\dcc1fccea936b05c4383f8c535b29016.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\dcc1fccea936b05c4383f8c535b29016.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\dcc1fccea936b05c4383f8c535b29016.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1216 wrote to memory of 424 | N/A | C:\Users\Admin\AppData\Local\Temp\dcc1fccea936b05c4383f8c535b29016.exe | C:\Windows\system32\winlogon.exe |
| PID 1216 wrote to memory of 424 | N/A | C:\Users\Admin\AppData\Local\Temp\dcc1fccea936b05c4383f8c535b29016.exe | C:\Windows\system32\winlogon.exe |
| PID 1216 wrote to memory of 424 | N/A | C:\Users\Admin\AppData\Local\Temp\dcc1fccea936b05c4383f8c535b29016.exe | C:\Windows\system32\winlogon.exe |
| PID 1216 wrote to memory of 424 | N/A | C:\Users\Admin\AppData\Local\Temp\dcc1fccea936b05c4383f8c535b29016.exe | C:\Windows\system32\winlogon.exe |
Processes
C:\Windows\system32\winlogon.exe
winlogon.exe
C:\Users\Admin\AppData\Local\Temp\dcc1fccea936b05c4383f8c535b29016.exe
"C:\Users\Admin\AppData\Local\Temp\dcc1fccea936b05c4383f8c535b29016.exe"
Network
Files
memory/424-0-0x00000000000C0000-0x00000000000C1000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-03-25 00:09
Reported
2024-03-25 00:12
Platform
win10v2004-20240226-en
Max time kernel
137s
Max time network
143s
Command Line
Signatures
Installs/modifies Browser Helper Object
| Description | Indicator | Process | Target |
| Key deleted | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C} | C:\Users\Admin\AppData\Local\Temp\dcc1fccea936b05c4383f8c535b29016.exe | N/A |
| Key deleted | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{31D09BA0-12F5-4CCE-BE8A-2923E76605DA} | C:\Users\Admin\AppData\Local\Temp\dcc1fccea936b05c4383f8c535b29016.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\cacdev.dll | C:\Users\Admin\AppData\Local\Temp\dcc1fccea936b05c4383f8c535b29016.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key deleted | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{31D09BA0-12F5-4CCE-BE8A-2923E76605DA}\Version | C:\Users\Admin\AppData\Local\Temp\dcc1fccea936b05c4383f8c535b29016.exe | N/A |
| Key deleted | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{31D09BA0-12F5-4CCE-BE8A-2923E76605DA}\ProgID | C:\Users\Admin\AppData\Local\Temp\dcc1fccea936b05c4383f8c535b29016.exe | N/A |
| Key deleted | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{31D09BA0-12F5-4CCE-BE8A-2923E76605DA}\Implemented Categories\{59FB2056-D625-48D0-A944-1A85B5AB2640} | C:\Users\Admin\AppData\Local\Temp\dcc1fccea936b05c4383f8c535b29016.exe | N/A |
| Key deleted | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{31D09BA0-12F5-4CCE-BE8A-2923E76605DA}\Implemented Categories | C:\Users\Admin\AppData\Local\Temp\dcc1fccea936b05c4383f8c535b29016.exe | N/A |
| Key deleted | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}\ProgID | C:\Users\Admin\AppData\Local\Temp\dcc1fccea936b05c4383f8c535b29016.exe | N/A |
| Key deleted | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}\InprocServer32 | C:\Users\Admin\AppData\Local\Temp\dcc1fccea936b05c4383f8c535b29016.exe | N/A |
| Key deleted | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}\Implemented Categories | C:\Users\Admin\AppData\Local\Temp\dcc1fccea936b05c4383f8c535b29016.exe | N/A |
| Key deleted | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C} | C:\Users\Admin\AppData\Local\Temp\dcc1fccea936b05c4383f8c535b29016.exe | N/A |
| Key deleted | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{31D09BA0-12F5-4CCE-BE8A-2923E76605DA}\TypeLib | C:\Users\Admin\AppData\Local\Temp\dcc1fccea936b05c4383f8c535b29016.exe | N/A |
| Key deleted | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{31D09BA0-12F5-4CCE-BE8A-2923E76605DA}\Programmable | C:\Users\Admin\AppData\Local\Temp\dcc1fccea936b05c4383f8c535b29016.exe | N/A |
| Key deleted | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{31D09BA0-12F5-4CCE-BE8A-2923E76605DA} | C:\Users\Admin\AppData\Local\Temp\dcc1fccea936b05c4383f8c535b29016.exe | N/A |
| Key deleted | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}\VersionIndependentProgID | C:\Users\Admin\AppData\Local\Temp\dcc1fccea936b05c4383f8c535b29016.exe | N/A |
| Key deleted | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}\TypeLib | C:\Users\Admin\AppData\Local\Temp\dcc1fccea936b05c4383f8c535b29016.exe | N/A |
| Key deleted | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}\Programmable | C:\Users\Admin\AppData\Local\Temp\dcc1fccea936b05c4383f8c535b29016.exe | N/A |
| Key deleted | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}\Implemented Categories\{59FB2056-D625-48D0-A944-1A85B5AB2640} | C:\Users\Admin\AppData\Local\Temp\dcc1fccea936b05c4383f8c535b29016.exe | N/A |
| Key deleted | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{31D09BA0-12F5-4CCE-BE8A-2923E76605DA}\VersionIndependentProgID | C:\Users\Admin\AppData\Local\Temp\dcc1fccea936b05c4383f8c535b29016.exe | N/A |
| Key deleted | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{31D09BA0-12F5-4CCE-BE8A-2923E76605DA}\InprocServer32 | C:\Users\Admin\AppData\Local\Temp\dcc1fccea936b05c4383f8c535b29016.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\dcc1fccea936b05c4383f8c535b29016.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\dcc1fccea936b05c4383f8c535b29016.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\dcc1fccea936b05c4383f8c535b29016.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\dcc1fccea936b05c4383f8c535b29016.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\dcc1fccea936b05c4383f8c535b29016.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\dcc1fccea936b05c4383f8c535b29016.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\dcc1fccea936b05c4383f8c535b29016.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\dcc1fccea936b05c4383f8c535b29016.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\dcc1fccea936b05c4383f8c535b29016.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1820 wrote to memory of 616 | N/A | C:\Users\Admin\AppData\Local\Temp\dcc1fccea936b05c4383f8c535b29016.exe | C:\Windows\system32\winlogon.exe |
| PID 1820 wrote to memory of 616 | N/A | C:\Users\Admin\AppData\Local\Temp\dcc1fccea936b05c4383f8c535b29016.exe | C:\Windows\system32\winlogon.exe |
| PID 1820 wrote to memory of 616 | N/A | C:\Users\Admin\AppData\Local\Temp\dcc1fccea936b05c4383f8c535b29016.exe | C:\Windows\system32\winlogon.exe |
Processes
C:\Windows\system32\winlogon.exe
winlogon.exe
C:\Users\Admin\AppData\Local\Temp\dcc1fccea936b05c4383f8c535b29016.exe
"C:\Users\Admin\AppData\Local\Temp\dcc1fccea936b05c4383f8c535b29016.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 --mojo-platform-channel-handle=1408 --field-trial-handle=2280,i,8281149332300504990,9122875031903898779,262144 --variations-seed-version /prefetch:8
Network
| Country | Destination | Domain | Proto |
| NL | 52.142.223.178:80 | tcp | |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 136.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 180.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 29.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 13.107.246.64:443 | tcp | |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.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 |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |