Analysis Overview
SHA256
81482cb262dc16e1db35a5580bf0134bb618ec585342c7fd790accbdaddeeb6c
Threat Level: Known bad
The file Objectivist.exe was found to be: Known bad.
Malicious Activity Summary
Guloader,Cloudeye
Loads dropped DLL
Enumerates physical storage devices
Program crash
NSIS installer
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-08-07 06:40
Signatures
NSIS installer
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-08-07 06:40
Reported
2023-08-07 06:42
Platform
win7-20230712-en
Max time kernel
118s
Max time network
121s
Command Line
Signatures
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Objectivist.exe | N/A |
Enumerates physical storage devices
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\Objectivist.exe |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2076 wrote to memory of 2988 | N/A | C:\Users\Admin\AppData\Local\Temp\Objectivist.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2076 wrote to memory of 2988 | N/A | C:\Users\Admin\AppData\Local\Temp\Objectivist.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2076 wrote to memory of 2988 | N/A | C:\Users\Admin\AppData\Local\Temp\Objectivist.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2076 wrote to memory of 2988 | N/A | C:\Users\Admin\AppData\Local\Temp\Objectivist.exe | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\Objectivist.exe
"C:\Users\Admin\AppData\Local\Temp\Objectivist.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2076 -s 1832
Network
Files
\Users\Admin\AppData\Local\Temp\nsy7BD6.tmp\System.dll
| MD5 | 4d3b19a81bd51f8ce44b93643a4e3a99 |
| SHA1 | 35f8b00e85577b014080df98bd2c378351d9b3e9 |
| SHA256 | fda0018ab182ac6025d2fc9a2efcce3745d1da21ce5141859f8286cf319a52ce |
| SHA512 | b2ba9c961c0e1617f802990587a9000979ab5cc493ae2f8ca852eb43eeaf24916b0b29057dbff7d41a1797dfb2dce3db41990e8639b8f205771dbec3fd80f622 |
memory/2076-67-0x0000000003920000-0x0000000004F63000-memory.dmp
memory/2076-68-0x0000000003920000-0x0000000004F63000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-08-07 06:40
Reported
2023-08-07 06:42
Platform
win10v2004-20230703-en
Max time kernel
124s
Max time network
152s
Command Line
Signatures
Guloader,Cloudeye
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Objectivist.exe | N/A |
Enumerates physical storage devices
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\Objectivist.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\Objectivist.exe
"C:\Users\Admin\AppData\Local\Temp\Objectivist.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 204 -p 4432 -ip 4432
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4432 -s 2476
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 146.78.124.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 1.208.79.178.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 140.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.136.104.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 158.240.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 8.3.197.209.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 64.13.109.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 12.173.189.20.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\nsi3342.tmp\System.dll
| MD5 | 4d3b19a81bd51f8ce44b93643a4e3a99 |
| SHA1 | 35f8b00e85577b014080df98bd2c378351d9b3e9 |
| SHA256 | fda0018ab182ac6025d2fc9a2efcce3745d1da21ce5141859f8286cf319a52ce |
| SHA512 | b2ba9c961c0e1617f802990587a9000979ab5cc493ae2f8ca852eb43eeaf24916b0b29057dbff7d41a1797dfb2dce3db41990e8639b8f205771dbec3fd80f622 |
memory/4432-145-0x00000000051B0000-0x00000000067F3000-memory.dmp
memory/4432-146-0x00000000051B0000-0x00000000067F3000-memory.dmp
memory/4432-147-0x00000000051B0000-0x00000000067F3000-memory.dmp