Analysis Overview
SHA256
7a1833f7b91269b9f0eb48f9bba3db9cc444f749d82255322e1f8e221612895f
Threat Level: Known bad
The file 7a1833f7b91269b9f0eb48f9bba3db9cc444f749d82255322e1f8e221612895f was found to be: Known bad.
Malicious Activity Summary
Windows security bypass
UAC bypass
DiamondFox
Executes dropped EXE
Drops startup file
Loads dropped DLL
Windows security modification
Deletes itself
Checks whether UAC is enabled
Adds Run key to start application
Enumerates physical storage devices
System policy modification
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-10-26 22:28
Signatures
Analysis: behavioral2
Detonation Overview
Submitted
2022-10-26 22:28
Reported
2022-10-26 22:38
Platform
win10v2004-20220812-en
Max time kernel
504s
Max time network
507s
Command Line
Signatures
DiamondFox
UAC bypass
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Users\Admin\AppData\Roaming\lpt9.{2227A280-3AEA-1069-A2DE-08002B30309D}\explorer.exe | N/A |
Windows security bypass
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UACDisableNotify = "0" | C:\Users\Admin\AppData\Roaming\lpt9.{2227A280-3AEA-1069-A2DE-08002B30309D}\explorer.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\lpt9.{2227A280-3AEA-1069-A2DE-08002B30309D}\explorer.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\explorer.exe | C:\Users\Admin\AppData\Roaming\lpt9.{2227A280-3AEA-1069-A2DE-08002B30309D}\explorer.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\explorer.exe | C:\Users\Admin\AppData\Roaming\lpt9.{2227A280-3AEA-1069-A2DE-08002B30309D}\explorer.exe | N/A |
Windows security modification
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UACDisableNotify = "0" | C:\Users\Admin\AppData\Roaming\lpt9.{2227A280-3AEA-1069-A2DE-08002B30309D}\explorer.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\run | C:\Users\Admin\AppData\Roaming\lpt9.{2227A280-3AEA-1069-A2DE-08002B30309D}\explorer.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\explorer = "C:\\Users\\Admin\\AppData\\Roaming\\lpt9.{2227A280-3AEA-1069-A2DE-08002B30309D}\\explorer.exe" | C:\Users\Admin\AppData\Roaming\lpt9.{2227A280-3AEA-1069-A2DE-08002B30309D}\explorer.exe | N/A |
Checks whether UAC is enabled
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Users\Admin\AppData\Roaming\lpt9.{2227A280-3AEA-1069-A2DE-08002B30309D}\explorer.exe | N/A |
Enumerates physical storage devices
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\7a1833f7b91269b9f0eb48f9bba3db9cc444f749d82255322e1f8e221612895f.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\lpt9.{2227A280-3AEA-1069-A2DE-08002B30309D}\explorer.exe | N/A |
Suspicious use of WriteProcessMemory
System policy modification
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System | C:\Users\Admin\AppData\Roaming\lpt9.{2227A280-3AEA-1069-A2DE-08002B30309D}\explorer.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Users\Admin\AppData\Roaming\lpt9.{2227A280-3AEA-1069-A2DE-08002B30309D}\explorer.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\7a1833f7b91269b9f0eb48f9bba3db9cc444f749d82255322e1f8e221612895f.exe
"C:\Users\Admin\AppData\Local\Temp\7a1833f7b91269b9f0eb48f9bba3db9cc444f749d82255322e1f8e221612895f.exe"
C:\Users\Admin\AppData\Roaming\lpt9.{2227A280-3AEA-1069-A2DE-08002B30309D}\explorer.exe
C:\Users\Admin\AppData\Roaming\lpt9.{2227A280-3AEA-1069-A2DE-08002B30309D}\explorer.exe
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\F85A6F0F.cmd
Network
| Country | Destination | Domain | Proto |
| US | 209.197.3.8:80 | tcp | |
| US | 209.197.3.8:80 | tcp | |
| US | 209.197.3.8:80 | tcp | |
| US | 93.184.220.29:80 | tcp | |
| US | 8.8.8.8:53 | www.microsoft.com | udp |
| NL | 104.85.1.163:80 | www.microsoft.com | tcp |
| US | 8.8.8.8:53 | someexampledomain.com | udp |
| NL | 104.80.225.205:443 | tcp | |
| FR | 40.79.150.121:443 | tcp | |
| US | 93.184.220.29:80 | tcp |
Files
memory/2152-134-0x0000000000400000-0x000000000041016C-memory.dmp
memory/3444-135-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Roaming\lpt9.{2227A280-3AEA-1069-A2DE-08002B30309D}\explorer.exe
| MD5 | 8f77d92060389f5733905710714556ce |
| SHA1 | f817bbd59241f5dd732259784c2fabff78d1dfde |
| SHA256 | 7a1833f7b91269b9f0eb48f9bba3db9cc444f749d82255322e1f8e221612895f |
| SHA512 | 313e5b16ac7d556a74d19b2610f5e811694c1a660a460604afe5272f416fb1f7f2d04cea173dc9f2ce392e42101225fa0850f03ceaf46616d52347c96097468a |
C:\Users\Admin\AppData\Roaming\lpt9.{2227A280-3AEA-1069-A2DE-08002B30309D}\explorer.exe
| MD5 | 8f77d92060389f5733905710714556ce |
| SHA1 | f817bbd59241f5dd732259784c2fabff78d1dfde |
| SHA256 | 7a1833f7b91269b9f0eb48f9bba3db9cc444f749d82255322e1f8e221612895f |
| SHA512 | 313e5b16ac7d556a74d19b2610f5e811694c1a660a460604afe5272f416fb1f7f2d04cea173dc9f2ce392e42101225fa0850f03ceaf46616d52347c96097468a |
memory/1476-140-0x0000000000000000-mapping.dmp
memory/2152-141-0x0000000000400000-0x000000000041016C-memory.dmp
memory/3444-142-0x0000000000400000-0x000000000041016C-memory.dmp
C:\Users\Admin\AppData\Local\Temp\F85A6F0F.cmd
| MD5 | 1a31794a138f978e14ed2de5a859f275 |
| SHA1 | 53eaf941b22000b8b750eab91be2d6ffd844dadf |
| SHA256 | 7f5769551cbf84869763cc0be273a69a6a68b1eccf87a6b1d3cdee8cf329739c |
| SHA512 | 3e3d20cffee71268b9f5fac283b680707ee6bf1e8c683ef40886ffd03c9ebfb9eb75784d406b84a19f773c51ff2592d3ba61b0f0a40cdb3409a14340a4ea7c0a |
memory/3444-144-0x0000000000400000-0x000000000041016C-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2022-10-26 22:28
Reported
2022-10-26 22:38
Platform
win7-20220812-en
Max time kernel
410s
Max time network
414s
Command Line
Signatures
DiamondFox
UAC bypass
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Users\Admin\AppData\Roaming\lpt9.{2227A280-3AEA-1069-A2DE-08002B30309D}\explorer.exe | N/A |
Windows security bypass
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UACDisableNotify = "0" | C:\Users\Admin\AppData\Roaming\lpt9.{2227A280-3AEA-1069-A2DE-08002B30309D}\explorer.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\lpt9.{2227A280-3AEA-1069-A2DE-08002B30309D}\explorer.exe | N/A |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\explorer.exe | C:\Users\Admin\AppData\Roaming\lpt9.{2227A280-3AEA-1069-A2DE-08002B30309D}\explorer.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\explorer.exe | C:\Users\Admin\AppData\Roaming\lpt9.{2227A280-3AEA-1069-A2DE-08002B30309D}\explorer.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\7a1833f7b91269b9f0eb48f9bba3db9cc444f749d82255322e1f8e221612895f.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\7a1833f7b91269b9f0eb48f9bba3db9cc444f749d82255322e1f8e221612895f.exe | N/A |
Windows security modification
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UACDisableNotify = "0" | C:\Users\Admin\AppData\Roaming\lpt9.{2227A280-3AEA-1069-A2DE-08002B30309D}\explorer.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\explorer = "C:\\Users\\Admin\\AppData\\Roaming\\lpt9.{2227A280-3AEA-1069-A2DE-08002B30309D}\\explorer.exe" | C:\Users\Admin\AppData\Roaming\lpt9.{2227A280-3AEA-1069-A2DE-08002B30309D}\explorer.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\run | C:\Users\Admin\AppData\Roaming\lpt9.{2227A280-3AEA-1069-A2DE-08002B30309D}\explorer.exe | N/A |
Checks whether UAC is enabled
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Users\Admin\AppData\Roaming\lpt9.{2227A280-3AEA-1069-A2DE-08002B30309D}\explorer.exe | N/A |
Enumerates physical storage devices
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\7a1833f7b91269b9f0eb48f9bba3db9cc444f749d82255322e1f8e221612895f.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\lpt9.{2227A280-3AEA-1069-A2DE-08002B30309D}\explorer.exe | N/A |
Suspicious use of WriteProcessMemory
System policy modification
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System | C:\Users\Admin\AppData\Roaming\lpt9.{2227A280-3AEA-1069-A2DE-08002B30309D}\explorer.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Users\Admin\AppData\Roaming\lpt9.{2227A280-3AEA-1069-A2DE-08002B30309D}\explorer.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\7a1833f7b91269b9f0eb48f9bba3db9cc444f749d82255322e1f8e221612895f.exe
"C:\Users\Admin\AppData\Local\Temp\7a1833f7b91269b9f0eb48f9bba3db9cc444f749d82255322e1f8e221612895f.exe"
C:\Users\Admin\AppData\Roaming\lpt9.{2227A280-3AEA-1069-A2DE-08002B30309D}\explorer.exe
C:\Users\Admin\AppData\Roaming\lpt9.{2227A280-3AEA-1069-A2DE-08002B30309D}\explorer.exe
C:\Windows\SysWOW64\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\53FB11B8.cmd
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | www.microsoft.com | udp |
| NL | 104.85.1.163:80 | www.microsoft.com | tcp |
| US | 8.8.8.8:53 | someexampledomain.com | udp |
Files
memory/1488-54-0x0000000076681000-0x0000000076683000-memory.dmp
memory/1488-57-0x0000000000400000-0x000000000041016C-memory.dmp
\Users\Admin\AppData\Roaming\lpt9.{2227A280-3AEA-1069-A2DE-08002B30309D}\explorer.exe
| MD5 | 8f77d92060389f5733905710714556ce |
| SHA1 | f817bbd59241f5dd732259784c2fabff78d1dfde |
| SHA256 | 7a1833f7b91269b9f0eb48f9bba3db9cc444f749d82255322e1f8e221612895f |
| SHA512 | 313e5b16ac7d556a74d19b2610f5e811694c1a660a460604afe5272f416fb1f7f2d04cea173dc9f2ce392e42101225fa0850f03ceaf46616d52347c96097468a |
\Users\Admin\AppData\Roaming\lpt9.{2227A280-3AEA-1069-A2DE-08002B30309D}\explorer.exe
| MD5 | 8f77d92060389f5733905710714556ce |
| SHA1 | f817bbd59241f5dd732259784c2fabff78d1dfde |
| SHA256 | 7a1833f7b91269b9f0eb48f9bba3db9cc444f749d82255322e1f8e221612895f |
| SHA512 | 313e5b16ac7d556a74d19b2610f5e811694c1a660a460604afe5272f416fb1f7f2d04cea173dc9f2ce392e42101225fa0850f03ceaf46616d52347c96097468a |
memory/1632-60-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Roaming\lpt9.{2227A280-3AEA-1069-A2DE-08002B30309D}\explorer.exe
| MD5 | 8f77d92060389f5733905710714556ce |
| SHA1 | f817bbd59241f5dd732259784c2fabff78d1dfde |
| SHA256 | 7a1833f7b91269b9f0eb48f9bba3db9cc444f749d82255322e1f8e221612895f |
| SHA512 | 313e5b16ac7d556a74d19b2610f5e811694c1a660a460604afe5272f416fb1f7f2d04cea173dc9f2ce392e42101225fa0850f03ceaf46616d52347c96097468a |
C:\Users\Admin\AppData\Roaming\lpt9.{2227A280-3AEA-1069-A2DE-08002B30309D}\explorer.exe
| MD5 | 8f77d92060389f5733905710714556ce |
| SHA1 | f817bbd59241f5dd732259784c2fabff78d1dfde |
| SHA256 | 7a1833f7b91269b9f0eb48f9bba3db9cc444f749d82255322e1f8e221612895f |
| SHA512 | 313e5b16ac7d556a74d19b2610f5e811694c1a660a460604afe5272f416fb1f7f2d04cea173dc9f2ce392e42101225fa0850f03ceaf46616d52347c96097468a |
memory/908-66-0x0000000000000000-mapping.dmp
memory/1488-67-0x0000000000400000-0x000000000041016C-memory.dmp
C:\Users\Admin\AppData\Local\Temp\53FB11B8.cmd
| MD5 | 1483a8bc0828df6a136512ba68c16b23 |
| SHA1 | d479cfde522d061003a3584bb31f22d308af3056 |
| SHA256 | 58197dafb7fe28a8200e2db57a63c557aa8a6828ed4378610baa32509f40d687 |
| SHA512 | 078b0a4d92f19078f1394019622ce6e06b8b68096d398f91bf7345ea1a00bef36c71d70cb58d6b0cf94b413cb30b351d79f3db3eee1478656584fc108c2da6ec |
memory/1632-69-0x0000000000400000-0x000000000041016C-memory.dmp
memory/1632-70-0x0000000000400000-0x000000000041016C-memory.dmp