Analysis Overview
SHA256
fabda82b69857866e19c933af976f4d8779fe8a797a0c92338d4ef5cbb68d6a4
Threat Level: Shows suspicious behavior
The file fabda82b69857866e19c933af976f4d8779fe8a797a0c92338d4ef5cbb68d6a4 was found to be: Shows suspicious behavior.
Malicious Activity Summary
Loads dropped DLL
Checks installed software on the system
Writes to the Master Boot Record (MBR)
Drops file in Program Files directory
Program crash
Unsigned PE
Suspicious use of WriteProcessMemory
Modifies system certificate store
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-02-23 11:33
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-02-23 11:33
Reported
2024-02-23 11:36
Platform
win7-20240221-en
Max time kernel
118s
Max time network
122s
Command Line
Signatures
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\fabda82b69857866e19c933af976f4d8779fe8a797a0c92338d4ef5cbb68d6a4.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\fabda82b69857866e19c933af976f4d8779fe8a797a0c92338d4ef5cbb68d6a4.exe | N/A |
Checks installed software on the system
Writes to the Master Boot Record (MBR)
| Description | Indicator | Process | Target |
| File opened for modification | \??\PhysicalDrive0 | C:\Users\Admin\AppData\Local\Temp\fabda82b69857866e19c933af976f4d8779fe8a797a0c92338d4ef5cbb68d6a4.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files (x86)\LuDaShi\{D94A1F80-6229-45ec-B654-986B8C6D8AB0}.tf | C:\Users\Admin\AppData\Local\Temp\fabda82b69857866e19c933af976f4d8779fe8a797a0c92338d4ef5cbb68d6a4.exe | N/A |
| File created | C:\Program Files (x86)\LuDaShi\{D1197744-151D-4cd9-9A12-B02FDC09A974}.tmp\{6993F3EE-0309-413b-96A2-C62BEAD5E7A5}.tf | C:\Users\Admin\AppData\Local\Temp\fabda82b69857866e19c933af976f4d8779fe8a797a0c92338d4ef5cbb68d6a4.exe | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2704 wrote to memory of 2496 | N/A | C:\Users\Admin\AppData\Local\Temp\fabda82b69857866e19c933af976f4d8779fe8a797a0c92338d4ef5cbb68d6a4.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2704 wrote to memory of 2496 | N/A | C:\Users\Admin\AppData\Local\Temp\fabda82b69857866e19c933af976f4d8779fe8a797a0c92338d4ef5cbb68d6a4.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2704 wrote to memory of 2496 | N/A | C:\Users\Admin\AppData\Local\Temp\fabda82b69857866e19c933af976f4d8779fe8a797a0c92338d4ef5cbb68d6a4.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2704 wrote to memory of 2496 | N/A | C:\Users\Admin\AppData\Local\Temp\fabda82b69857866e19c933af976f4d8779fe8a797a0c92338d4ef5cbb68d6a4.exe | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2704 -s 812
C:\Users\Admin\AppData\Local\Temp\fabda82b69857866e19c933af976f4d8779fe8a797a0c92338d4ef5cbb68d6a4.exe
"C:\Users\Admin\AppData\Local\Temp\fabda82b69857866e19c933af976f4d8779fe8a797a0c92338d4ef5cbb68d6a4.exe"
Network
Files
memory/2704-27-0x0000000000230000-0x0000000000231000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\{3CEBAC2A-D675-4bcb-810C-5C358D972B53}.tmp\NetBridge.dll
| MD5 | 8786d469338c30e0ba9fedfc62bd5197 |
| SHA1 | 5fb12028ceae9772f938e1b98b699f0e02e32718 |
| SHA256 | beeaf8b72f7008e9adabacfcd85e32a50747a0dfb5c86802aeb973bd1f5c3d2f |
| SHA512 | 5db1e5b78e62cda81a63e8e712e720f87a7c7a539237a55a9098c076f9fb4e0b5adb83383c23657b4ccc90c117e55e3946a399cdf3d15cb94444b203d9d6c45c |
\Users\Admin\AppData\Local\Temp\{6B9EC451-1998-4959-88B3-8DC98BB8C4D5}.tmp\7z.dll
| MD5 | 2706693dda10c6cc79eed24c56d4e5ef |
| SHA1 | 4f34ef1bd49273a0d260b9dab15c73eb0ccb6383 |
| SHA256 | 0edad8a1af22d5b97c1f324791c86243a6ecce7b5a9d2f30415af99aba9129c3 |
| SHA512 | 7e7f7ae894528587ba33b6e10999549bb9a2ec2748b5662fa1b8806e5f4ce33af47507b3ef2954f2747a76b5b7c775c1cd671061f577c5016d1f8ba165bbe21c |
Analysis: behavioral2
Detonation Overview
Submitted
2024-02-23 11:33
Reported
2024-02-23 11:36
Platform
win10v2004-20240221-en
Max time kernel
146s
Max time network
154s
Command Line
Signatures
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\fabda82b69857866e19c933af976f4d8779fe8a797a0c92338d4ef5cbb68d6a4.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\fabda82b69857866e19c933af976f4d8779fe8a797a0c92338d4ef5cbb68d6a4.exe | N/A |
Checks installed software on the system
Writes to the Master Boot Record (MBR)
| Description | Indicator | Process | Target |
| File opened for modification | \??\PhysicalDrive0 | C:\Users\Admin\AppData\Local\Temp\fabda82b69857866e19c933af976f4d8779fe8a797a0c92338d4ef5cbb68d6a4.exe | N/A |
Modifies system certificate store
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\4EB6D578499B1CCF5F581EAD56BE3D9B6744A5E5 | C:\Users\Admin\AppData\Local\Temp\fabda82b69857866e19c933af976f4d8779fe8a797a0c92338d4ef5cbb68d6a4.exe | N/A |
| Set value (data) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\4EB6D578499B1CCF5F581EAD56BE3D9B6744A5E5\Blob = 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 | C:\Users\Admin\AppData\Local\Temp\fabda82b69857866e19c933af976f4d8779fe8a797a0c92338d4ef5cbb68d6a4.exe | N/A |
| Set value (data) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\4EB6D578499B1CCF5F581EAD56BE3D9B6744A5E5\Blob = 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 | C:\Users\Admin\AppData\Local\Temp\fabda82b69857866e19c933af976f4d8779fe8a797a0c92338d4ef5cbb68d6a4.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\fabda82b69857866e19c933af976f4d8779fe8a797a0c92338d4ef5cbb68d6a4.exe
"C:\Users\Admin\AppData\Local\Temp\fabda82b69857866e19c933af976f4d8779fe8a797a0c92338d4ef5cbb68d6a4.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | www.ludashi.com | udp |
| US | 8.8.8.8:53 | s.ludashi.com | udp |
| CN | 114.116.39.220:80 | www.ludashi.com | tcp |
| CN | 139.224.193.172:80 | s.ludashi.com | tcp |
| CN | 139.224.193.172:80 | s.ludashi.com | tcp |
| US | 8.8.8.8:53 | 71.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 202.77.24.184.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.200:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| CN | 139.224.193.172:80 | s.ludashi.com | tcp |
| CN | 139.224.193.172:80 | s.ludashi.com | tcp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| CN | 139.224.193.172:80 | s.ludashi.com | tcp |
| CN | 139.224.193.172:80 | s.ludashi.com | tcp |
| US | 8.8.8.8:53 | 173.178.17.96.in-addr.arpa | udp |
| CN | 139.224.193.172:80 | s.ludashi.com | tcp |
| CN | 139.224.193.172:80 | s.ludashi.com | tcp |
| CN | 139.224.193.172:80 | s.ludashi.com | tcp |
| CN | 139.224.193.172:80 | s.ludashi.com | tcp |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| CN | 139.224.193.172:80 | s.ludashi.com | tcp |
| CN | 139.224.193.172:80 | s.ludashi.com | tcp |
| CN | 139.224.193.172:80 | s.ludashi.com | tcp |
| US | 8.8.8.8:53 | 10.179.89.13.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\{8E8FED7A-6766-4aa2-917C-D2020CF5B0ED}.tmp\7z.dll
| MD5 | 2706693dda10c6cc79eed24c56d4e5ef |
| SHA1 | 4f34ef1bd49273a0d260b9dab15c73eb0ccb6383 |
| SHA256 | 0edad8a1af22d5b97c1f324791c86243a6ecce7b5a9d2f30415af99aba9129c3 |
| SHA512 | 7e7f7ae894528587ba33b6e10999549bb9a2ec2748b5662fa1b8806e5f4ce33af47507b3ef2954f2747a76b5b7c775c1cd671061f577c5016d1f8ba165bbe21c |
C:\Users\Admin\AppData\Local\Temp\{0E39DB11-68C9-42ac-A91E-1B12697282D7}.tmp\NetBridge.dll
| MD5 | 8786d469338c30e0ba9fedfc62bd5197 |
| SHA1 | 5fb12028ceae9772f938e1b98b699f0e02e32718 |
| SHA256 | beeaf8b72f7008e9adabacfcd85e32a50747a0dfb5c86802aeb973bd1f5c3d2f |
| SHA512 | 5db1e5b78e62cda81a63e8e712e720f87a7c7a539237a55a9098c076f9fb4e0b5adb83383c23657b4ccc90c117e55e3946a399cdf3d15cb94444b203d9d6c45c |
C:\Users\Admin\AppData\Local\Temp\{0E39DB11-68C9-42ac-A91E-1B12697282D7}.tmp\NetBridge.dll
| MD5 | 9a850b21b2d3a290ca9be5e389ae965d |
| SHA1 | c6fb8fd418ce2320e391548085c6c5b05b015c58 |
| SHA256 | 7e60476d6d53e694ffc5ff8d880a948637c3aa4c20d6bba04b441dcf8d6f8056 |
| SHA512 | 61e26b9f730714da90533b8206906c5c30ae269f6c865cc54dbf65f9aaf7dcaf08a03f8428857856f3e88fce7a6cf576e62a8348cc7d2ac2bd280413b7cc9e7b |