Analysis Overview
SHA256
ef4fa6e8e8626f00d18bec121b63cd98d87a2cde69ec8ca5da67af5921aebb88
Threat Level: Likely benign
The file Anvil_Loader_v2.4 (2).zip was found to be: Likely benign.
Malicious Activity Summary
Unsigned PE
Suspicious use of WriteProcessMemory
Modifies registry class
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2024-06-12 20:19
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral12
Detonation Overview
Submitted
2024-06-12 20:19
Reported
2024-06-12 20:21
Platform
win11-20240611-en
Max time kernel
1s
Command Line
Signatures
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2316 wrote to memory of 1844 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2316 wrote to memory of 1844 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2316 wrote to memory of 1844 | 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\v2.4\symsrv.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\v2.4\symsrv.dll,#1
Network
Files
Analysis: behavioral3
Detonation Overview
Submitted
2024-06-12 20:19
Reported
2024-06-12 20:21
Platform
win11-20240508-en
Max time kernel
0s
Command Line
Signatures
Processes
C:\Windows\Explorer.exe
C:\Windows\Explorer.exe /idlist,,"C:\Users\Admin\AppData\Local\Temp\Anvil_Loader_v2.4 (2).zip"
Network
Files
Analysis: behavioral4
Detonation Overview
Submitted
2024-06-12 20:19
Reported
2024-06-12 20:21
Platform
win10-20240404-en
Max time kernel
23s
Max time network
17s
Command Line
Signatures
Processes
C:\Users\Admin\AppData\Local\Temp\v2.4\Anvil Loader.exe
"C:\Users\Admin\AppData\Local\Temp\v2.4\Anvil Loader.exe"
Network
Files
memory/5080-0-0x00000000013C0000-0x00000000021F9000-memory.dmp
memory/5080-1-0x00000000013C0000-0x00000000021F9000-memory.dmp
Analysis: behavioral5
Detonation Overview
Submitted
2024-06-12 20:19
Reported
2024-06-12 20:21
Platform
win10v2004-20240508-en
Max time kernel
51s
Max time network
53s
Command Line
Signatures
Processes
C:\Users\Admin\AppData\Local\Temp\v2.4\Anvil Loader.exe
"C:\Users\Admin\AppData\Local\Temp\v2.4\Anvil Loader.exe"
Network
Files
memory/2596-0-0x0000000000850000-0x0000000001689000-memory.dmp
memory/2596-1-0x0000000000850000-0x0000000001689000-memory.dmp
Analysis: behavioral6
Detonation Overview
Submitted
2024-06-12 20:19
Reported
2024-06-12 20:21
Platform
win11-20240508-en
Max time kernel
24s
Command Line
Signatures
Processes
C:\Users\Admin\AppData\Local\Temp\v2.4\Anvil Loader.exe
"C:\Users\Admin\AppData\Local\Temp\v2.4\Anvil Loader.exe"
Network
Files
memory/1056-0-0x00000000005A0000-0x00000000013D9000-memory.dmp
memory/1056-1-0x00000000005A0000-0x00000000013D9000-memory.dmp
Analysis: behavioral7
Detonation Overview
Submitted
2024-06-12 20:19
Reported
2024-06-12 20:21
Platform
win10-20240404-en
Max time kernel
15s
Max time network
17s
Command Line
Signatures
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-1687926120-3022217735-1146543763-1000_Classes\WOW6432Node\CLSID | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E6756135-1E65-4D17-8576-610761398C3C}\ = "Debug Information Accessor" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E6756135-1E65-4D17-8576-610761398C3C}\InprocServer32 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{91904831-49CA-4766-B95C-25397E2DD6DC}\InprocServer32\ThreadingModel = "Both" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CE4A85DB-5768-475B-A4E1-C0BCA2112A6B} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CE4A85DB-5768-475B-A4E1-C0BCA2112A6B}\ = "Generic StackWalker" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CE4A85DB-5768-475B-A4E1-C0BCA2112A6B}\InprocServer32 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{106173A0-0173-4E5C-84E7-E915422BE997}\2.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\v2.4\\msdia140.dll" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{106173A0-0173-4E5C-84E7-E915422BE997}\2.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\v2.4" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{106173A0-0173-4E5C-84E7-E915422BE997}\2.0 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E6756135-1E65-4D17-8576-610761398C3C} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E6756135-1E65-4D17-8576-610761398C3C}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\v2.4\\msdia140.dll" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{91904831-49CA-4766-B95C-25397E2DD6DC}\ = "Debug Information Accessor w/o Global Memory Usage" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{106173A0-0173-4E5C-84E7-E915422BE997}\2.0\FLAGS | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E6756135-1E65-4D17-8576-610761398C3C}\InprocServer32\ThreadingModel = "Both" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{91904831-49CA-4766-B95C-25397E2DD6DC}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\v2.4\\msdia140.dll" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{106173A0-0173-4E5C-84E7-E915422BE997}\2.0\0 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{106173A0-0173-4E5C-84E7-E915422BE997}\2.0\HELPDIR | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{91904831-49CA-4766-B95C-25397E2DD6DC}\InprocServer32 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CE4A85DB-5768-475B-A4E1-C0BCA2112A6B}\InprocServer32\ThreadingModel = "Both" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{106173A0-0173-4E5C-84E7-E915422BE997}\2.0\ = "dia 2.0 Type Library" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{91904831-49CA-4766-B95C-25397E2DD6DC} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{106173A0-0173-4E5C-84E7-E915422BE997} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CE4A85DB-5768-475B-A4E1-C0BCA2112A6B}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\v2.4\\msdia140.dll" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{106173A0-0173-4E5C-84E7-E915422BE997}\2.0\FLAGS\ = "0" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{106173A0-0173-4E5C-84E7-E915422BE997}\2.0\0\win32 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 168 wrote to memory of 4684 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 168 wrote to memory of 4684 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 168 wrote to memory of 4684 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
Processes
C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\v2.4\msdia140.dll
C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\v2.4\msdia140.dll
Network
Files
Analysis: behavioral11
Detonation Overview
Submitted
2024-06-12 20:19
Reported
2024-06-12 20:21
Platform
win10v2004-20240508-en
Max time kernel
51s
Max time network
52s
Command Line
Signatures
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3388 wrote to memory of 2892 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 3388 wrote to memory of 2892 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 3388 wrote to memory of 2892 | 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\v2.4\symsrv.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\v2.4\symsrv.dll,#1
Network
Files
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-12 20:19
Reported
2024-06-12 20:21
Platform
win10-20240404-en
Max time kernel
15s
Max time network
17s
Command Line
Signatures
Processes
C:\Windows\Explorer.exe
C:\Windows\Explorer.exe /idlist,,"C:\Users\Admin\AppData\Local\Temp\Anvil_Loader_v2.4 (2).zip"
Network
Files
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-12 20:19
Reported
2024-06-12 20:21
Platform
win10v2004-20240508-en
Max time kernel
51s
Max time network
53s
Command Line
Signatures
Processes
C:\Windows\Explorer.exe
C:\Windows\Explorer.exe /idlist,,"C:\Users\Admin\AppData\Local\Temp\Anvil_Loader_v2.4 (2).zip"
Network
Files
Analysis: behavioral8
Detonation Overview
Submitted
2024-06-12 20:19
Reported
2024-06-12 20:21
Platform
win10v2004-20240611-en
Max time kernel
33s
Max time network
35s
Command Line
Signatures
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{91904831-49CA-4766-B95C-25397E2DD6DC} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{106173A0-0173-4E5C-84E7-E915422BE997}\2.0\ = "dia 2.0 Type Library" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{106173A0-0173-4E5C-84E7-E915422BE997}\2.0\0 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E6756135-1E65-4D17-8576-610761398C3C}\InprocServer32 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CE4A85DB-5768-475B-A4E1-C0BCA2112A6B} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{106173A0-0173-4E5C-84E7-E915422BE997}\2.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\v2.4\\msdia140.dll" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{106173A0-0173-4E5C-84E7-E915422BE997}\2.0\HELPDIR | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{91904831-49CA-4766-B95C-25397E2DD6DC}\InprocServer32\ThreadingModel = "Both" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CE4A85DB-5768-475B-A4E1-C0BCA2112A6B}\InprocServer32 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{106173A0-0173-4E5C-84E7-E915422BE997}\2.0 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000_Classes\WOW6432Node\CLSID | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E6756135-1E65-4D17-8576-610761398C3C}\ = "Debug Information Accessor" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{91904831-49CA-4766-B95C-25397E2DD6DC}\InprocServer32 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{106173A0-0173-4E5C-84E7-E915422BE997}\2.0\FLAGS | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E6756135-1E65-4D17-8576-610761398C3C} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{91904831-49CA-4766-B95C-25397E2DD6DC}\ = "Debug Information Accessor w/o Global Memory Usage" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CE4A85DB-5768-475B-A4E1-C0BCA2112A6B}\ = "Generic StackWalker" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CE4A85DB-5768-475B-A4E1-C0BCA2112A6B}\InprocServer32\ThreadingModel = "Both" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{106173A0-0173-4E5C-84E7-E915422BE997}\2.0\FLAGS\ = "0" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{91904831-49CA-4766-B95C-25397E2DD6DC}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\v2.4\\msdia140.dll" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CE4A85DB-5768-475B-A4E1-C0BCA2112A6B}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\v2.4\\msdia140.dll" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E6756135-1E65-4D17-8576-610761398C3C}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\v2.4\\msdia140.dll" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E6756135-1E65-4D17-8576-610761398C3C}\InprocServer32\ThreadingModel = "Both" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{106173A0-0173-4E5C-84E7-E915422BE997} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{106173A0-0173-4E5C-84E7-E915422BE997}\2.0\0\win32 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{106173A0-0173-4E5C-84E7-E915422BE997}\2.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\v2.4" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3936 wrote to memory of 1632 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 3936 wrote to memory of 1632 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 3936 wrote to memory of 1632 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
Processes
C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\v2.4\msdia140.dll
C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\v2.4\msdia140.dll
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
Files
Analysis: behavioral9
Detonation Overview
Submitted
2024-06-12 20:19
Reported
2024-06-12 20:21
Platform
win11-20240508-en
Max time kernel
0s
Command Line
Signatures
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{91904831-49CA-4766-B95C-25397E2DD6DC}\InprocServer32 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{106173A0-0173-4E5C-84E7-E915422BE997}\2.0\HELPDIR | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E6756135-1E65-4D17-8576-610761398C3C}\InprocServer32 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CE4A85DB-5768-475B-A4E1-C0BCA2112A6B}\ = "Generic StackWalker" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CE4A85DB-5768-475B-A4E1-C0BCA2112A6B}\InprocServer32 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{106173A0-0173-4E5C-84E7-E915422BE997}\2.0 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{106173A0-0173-4E5C-84E7-E915422BE997}\2.0\ = "dia 2.0 Type Library" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{91904831-49CA-4766-B95C-25397E2DD6DC}\InprocServer32\ThreadingModel = "Both" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CE4A85DB-5768-475B-A4E1-C0BCA2112A6B} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{106173A0-0173-4E5C-84E7-E915422BE997}\2.0\FLAGS | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{106173A0-0173-4E5C-84E7-E915422BE997}\2.0\0\win32 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{106173A0-0173-4E5C-84E7-E915422BE997}\2.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\v2.4" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E6756135-1E65-4D17-8576-610761398C3C} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E6756135-1E65-4D17-8576-610761398C3C}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\v2.4\\msdia140.dll" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CE4A85DB-5768-475B-A4E1-C0BCA2112A6B}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\v2.4\\msdia140.dll" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CE4A85DB-5768-475B-A4E1-C0BCA2112A6B}\InprocServer32\ThreadingModel = "Both" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{106173A0-0173-4E5C-84E7-E915422BE997}\2.0\0 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{106173A0-0173-4E5C-84E7-E915422BE997}\2.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\v2.4\\msdia140.dll" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{91904831-49CA-4766-B95C-25397E2DD6DC}\ = "Debug Information Accessor w/o Global Memory Usage" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{106173A0-0173-4E5C-84E7-E915422BE997} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{106173A0-0173-4E5C-84E7-E915422BE997}\2.0\FLAGS\ = "0" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3433428765-2473475212-4279855560-1000_Classes\WOW6432Node\CLSID | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E6756135-1E65-4D17-8576-610761398C3C}\InprocServer32\ThreadingModel = "Both" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{91904831-49CA-4766-B95C-25397E2DD6DC}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\v2.4\\msdia140.dll" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E6756135-1E65-4D17-8576-610761398C3C}\ = "Debug Information Accessor" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{91904831-49CA-4766-B95C-25397E2DD6DC} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1020 wrote to memory of 4256 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 1020 wrote to memory of 4256 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 1020 wrote to memory of 4256 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
Processes
C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\v2.4\msdia140.dll
C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\v2.4\msdia140.dll
Network
Files
Analysis: behavioral10
Detonation Overview
Submitted
2024-06-12 20:19
Reported
2024-06-12 20:21
Platform
win10-20240404-en
Max time kernel
15s
Max time network
18s
Command Line
Signatures
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 204 wrote to memory of 812 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 204 wrote to memory of 812 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 204 wrote to memory of 812 | 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\v2.4\symsrv.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\v2.4\symsrv.dll,#1