Analysis Overview
SHA256
40cd3ee8561842ec1780e81a6833f17dab2189f2cd6885f3d8291106508a019d
Threat Level: Known bad
The file 40cd3ee8561842ec1780e81a6833f17dab2189f2cd6885f3d8291106508a019d was found to be: Known bad.
Malicious Activity Summary
UAC bypass
DiamondFox
Windows security bypass
Executes dropped EXE
Loads dropped DLL
Deletes itself
Windows security modification
Drops startup file
Adds Run key to start application
Checks whether UAC is enabled
Enumerates physical storage devices
Suspicious use of SetWindowsHookEx
System policy modification
Suspicious use of WriteProcessMemory
MITRE ATT&CK Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-07-08 09:25
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-07-08 09:25
Reported
2022-07-08 16:55
Platform
win7-20220414-en
Max time kernel
39s
Max time network
44s
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\lpt1.{1D2680C9-0E2A-469d-B787-065558BC7D43}\atiedxx.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\lpt1.{1D2680C9-0E2A-469d-B787-065558BC7D43}\atiedxx.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\lpt1.{1D2680C9-0E2A-469d-B787-065558BC7D43}\atiedxx.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\atiedxx.exe | C:\Users\Admin\AppData\Roaming\lpt1.{1D2680C9-0E2A-469d-B787-065558BC7D43}\atiedxx.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\atiedxx.exe | C:\Users\Admin\AppData\Roaming\lpt1.{1D2680C9-0E2A-469d-B787-065558BC7D43}\atiedxx.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\40cd3ee8561842ec1780e81a6833f17dab2189f2cd6885f3d8291106508a019d.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\40cd3ee8561842ec1780e81a6833f17dab2189f2cd6885f3d8291106508a019d.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\lpt1.{1D2680C9-0E2A-469d-B787-065558BC7D43}\atiedxx.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows\CurrentVersion\run | C:\Users\Admin\AppData\Roaming\lpt1.{1D2680C9-0E2A-469d-B787-065558BC7D43}\atiedxx.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows\CurrentVersion\Run\atiedxx = "C:\\Users\\Admin\\AppData\\Roaming\\lpt1.{1D2680C9-0E2A-469d-B787-065558BC7D43}\\atiedxx.exe" | C:\Users\Admin\AppData\Roaming\lpt1.{1D2680C9-0E2A-469d-B787-065558BC7D43}\atiedxx.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\lpt1.{1D2680C9-0E2A-469d-B787-065558BC7D43}\atiedxx.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\40cd3ee8561842ec1780e81a6833f17dab2189f2cd6885f3d8291106508a019d.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\lpt1.{1D2680C9-0E2A-469d-B787-065558BC7D43}\atiedxx.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\lpt1.{1D2680C9-0E2A-469d-B787-065558BC7D43}\atiedxx.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Users\Admin\AppData\Roaming\lpt1.{1D2680C9-0E2A-469d-B787-065558BC7D43}\atiedxx.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\40cd3ee8561842ec1780e81a6833f17dab2189f2cd6885f3d8291106508a019d.exe
"C:\Users\Admin\AppData\Local\Temp\40cd3ee8561842ec1780e81a6833f17dab2189f2cd6885f3d8291106508a019d.exe"
C:\Users\Admin\AppData\Roaming\lpt1.{1D2680C9-0E2A-469d-B787-065558BC7D43}\atiedxx.exe
C:\Users\Admin\AppData\Roaming\lpt1.{1D2680C9-0E2A-469d-B787-065558BC7D43}\atiedxx.exe
C:\Windows\SysWOW64\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\885F6E69.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 | doneittz.biz | udp |
Files
memory/1640-54-0x0000000076241000-0x0000000076243000-memory.dmp
memory/1640-57-0x0000000000400000-0x0000000000411000-memory.dmp
\Users\Admin\AppData\Roaming\lpt1.{1D2680C9-0E2A-469d-B787-065558BC7D43}\atiedxx.exe
| MD5 | 2878d36d310c8195df391ca5b4dc4a18 |
| SHA1 | 7f6c436cde7e133abe38c99a9a2ecbccbe9c6c0a |
| SHA256 | 40cd3ee8561842ec1780e81a6833f17dab2189f2cd6885f3d8291106508a019d |
| SHA512 | 47cdab2668ba96606c784ccb68ba9ae0f03488db4b9d17a51aa9f1a176e8daf06fca7c2c2ba474b5d140a05221eb27d9cc7670ed149b4b41a5d31a3e3ec3a3a3 |
memory/1756-60-0x0000000000000000-mapping.dmp
\Users\Admin\AppData\Roaming\lpt1.{1D2680C9-0E2A-469d-B787-065558BC7D43}\atiedxx.exe
| MD5 | 2878d36d310c8195df391ca5b4dc4a18 |
| SHA1 | 7f6c436cde7e133abe38c99a9a2ecbccbe9c6c0a |
| SHA256 | 40cd3ee8561842ec1780e81a6833f17dab2189f2cd6885f3d8291106508a019d |
| SHA512 | 47cdab2668ba96606c784ccb68ba9ae0f03488db4b9d17a51aa9f1a176e8daf06fca7c2c2ba474b5d140a05221eb27d9cc7670ed149b4b41a5d31a3e3ec3a3a3 |
C:\Users\Admin\AppData\Roaming\lpt1.{1D2680C9-0E2A-469d-B787-065558BC7D43}\atiedxx.exe
| MD5 | 2878d36d310c8195df391ca5b4dc4a18 |
| SHA1 | 7f6c436cde7e133abe38c99a9a2ecbccbe9c6c0a |
| SHA256 | 40cd3ee8561842ec1780e81a6833f17dab2189f2cd6885f3d8291106508a019d |
| SHA512 | 47cdab2668ba96606c784ccb68ba9ae0f03488db4b9d17a51aa9f1a176e8daf06fca7c2c2ba474b5d140a05221eb27d9cc7670ed149b4b41a5d31a3e3ec3a3a3 |
C:\Users\Admin\AppData\Roaming\lpt1.{1D2680C9-0E2A-469d-B787-065558BC7D43}\atiedxx.exe
| MD5 | 2878d36d310c8195df391ca5b4dc4a18 |
| SHA1 | 7f6c436cde7e133abe38c99a9a2ecbccbe9c6c0a |
| SHA256 | 40cd3ee8561842ec1780e81a6833f17dab2189f2cd6885f3d8291106508a019d |
| SHA512 | 47cdab2668ba96606c784ccb68ba9ae0f03488db4b9d17a51aa9f1a176e8daf06fca7c2c2ba474b5d140a05221eb27d9cc7670ed149b4b41a5d31a3e3ec3a3a3 |
memory/1804-66-0x0000000000000000-mapping.dmp
memory/1640-67-0x0000000000400000-0x0000000000411000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\885F6E69.cmd
| MD5 | ca1ffe0fe322c68b060817133ecb3f46 |
| SHA1 | 0e328bd94191464aec57a93809031ff42f88edba |
| SHA256 | 6bbef442aced4b121ea186e0263b535d41a1c5d524532b586f7ed3c76cd82c31 |
| SHA512 | 8e31736d2a15ed31752f35225bddb8551199667a3ac143342f259b0c729a3d94ff496fc3984d5d6c3a78e97ca04d86250b16c4e9b86e1c32667782820b939149 |
memory/1756-69-0x0000000000400000-0x0000000000411000-memory.dmp
memory/1756-70-0x0000000000400000-0x0000000000411000-memory.dmp
memory/1756-71-0x0000000000400000-0x0000000000411000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-07-08 09:25
Reported
2022-07-08 16:54
Platform
win10v2004-20220414-en
Max time kernel
116s
Max time network
117s
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\lpt1.{1D2680C9-0E2A-469d-B787-065558BC7D43}\atiedxx.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\lpt1.{1D2680C9-0E2A-469d-B787-065558BC7D43}\atiedxx.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\lpt1.{1D2680C9-0E2A-469d-B787-065558BC7D43}\atiedxx.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\atiedxx.exe | C:\Users\Admin\AppData\Roaming\lpt1.{1D2680C9-0E2A-469d-B787-065558BC7D43}\atiedxx.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\atiedxx.exe | C:\Users\Admin\AppData\Roaming\lpt1.{1D2680C9-0E2A-469d-B787-065558BC7D43}\atiedxx.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\lpt1.{1D2680C9-0E2A-469d-B787-065558BC7D43}\atiedxx.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows\CurrentVersion\run | C:\Users\Admin\AppData\Roaming\lpt1.{1D2680C9-0E2A-469d-B787-065558BC7D43}\atiedxx.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\atiedxx = "C:\\Users\\Admin\\AppData\\Roaming\\lpt1.{1D2680C9-0E2A-469d-B787-065558BC7D43}\\atiedxx.exe" | C:\Users\Admin\AppData\Roaming\lpt1.{1D2680C9-0E2A-469d-B787-065558BC7D43}\atiedxx.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\lpt1.{1D2680C9-0E2A-469d-B787-065558BC7D43}\atiedxx.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\40cd3ee8561842ec1780e81a6833f17dab2189f2cd6885f3d8291106508a019d.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\lpt1.{1D2680C9-0E2A-469d-B787-065558BC7D43}\atiedxx.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\lpt1.{1D2680C9-0E2A-469d-B787-065558BC7D43}\atiedxx.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Users\Admin\AppData\Roaming\lpt1.{1D2680C9-0E2A-469d-B787-065558BC7D43}\atiedxx.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\40cd3ee8561842ec1780e81a6833f17dab2189f2cd6885f3d8291106508a019d.exe
"C:\Users\Admin\AppData\Local\Temp\40cd3ee8561842ec1780e81a6833f17dab2189f2cd6885f3d8291106508a019d.exe"
C:\Users\Admin\AppData\Roaming\lpt1.{1D2680C9-0E2A-469d-B787-065558BC7D43}\atiedxx.exe
C:\Users\Admin\AppData\Roaming\lpt1.{1D2680C9-0E2A-469d-B787-065558BC7D43}\atiedxx.exe
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\0B991030.cmd
Network
| Country | Destination | Domain | Proto |
| 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 | doneittz.biz | udp |
| US | 20.44.10.122:443 | tcp | |
| NL | 8.248.7.254:80 | tcp | |
| NL | 8.248.7.254:80 | tcp |
Files
memory/4512-132-0x0000000000400000-0x0000000000411000-memory.dmp
memory/3764-133-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Roaming\lpt1.{1D2680C9-0E2A-469d-B787-065558BC7D43}\atiedxx.exe
| MD5 | 2878d36d310c8195df391ca5b4dc4a18 |
| SHA1 | 7f6c436cde7e133abe38c99a9a2ecbccbe9c6c0a |
| SHA256 | 40cd3ee8561842ec1780e81a6833f17dab2189f2cd6885f3d8291106508a019d |
| SHA512 | 47cdab2668ba96606c784ccb68ba9ae0f03488db4b9d17a51aa9f1a176e8daf06fca7c2c2ba474b5d140a05221eb27d9cc7670ed149b4b41a5d31a3e3ec3a3a3 |
C:\Users\Admin\AppData\Roaming\lpt1.{1D2680C9-0E2A-469d-B787-065558BC7D43}\atiedxx.exe
| MD5 | 2878d36d310c8195df391ca5b4dc4a18 |
| SHA1 | 7f6c436cde7e133abe38c99a9a2ecbccbe9c6c0a |
| SHA256 | 40cd3ee8561842ec1780e81a6833f17dab2189f2cd6885f3d8291106508a019d |
| SHA512 | 47cdab2668ba96606c784ccb68ba9ae0f03488db4b9d17a51aa9f1a176e8daf06fca7c2c2ba474b5d140a05221eb27d9cc7670ed149b4b41a5d31a3e3ec3a3a3 |
memory/4488-138-0x0000000000000000-mapping.dmp
memory/4512-139-0x0000000000400000-0x0000000000411000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\0B991030.cmd
| MD5 | b9b4a55a76f698ac1f701a7d6ae4c6bf |
| SHA1 | 039f33d7597d31dd9ff5d680054b021a19dbc41c |
| SHA256 | c12ecbf7ca96f3ec39bc940bb889554cf33a51ffc5e8fa52aab59eee16685adf |
| SHA512 | 9316006d42e9f06d9f3b6f9d492605db2cd0d92d83b7e50d9bb93030890cf15c2835bbe6b122e5fa4b01a095f877c9b5526ea3925df069a0208e96a3e166cd7f |
memory/3764-141-0x0000000000400000-0x0000000000411000-memory.dmp
memory/3764-142-0x0000000000400000-0x0000000000411000-memory.dmp