Analysis Overview
SHA256
80b57df21ba993430e49e63e47f1afd84ac2f64fe50bb0b19413b2f964c42dd0
Threat Level: Known bad
The file 93fffc6736b1dd95a4f4e88734e9d540 was found to be: Known bad.
Malicious Activity Summary
Oski
Reads user/profile data of web browsers
Suspicious use of SetThreadContext
Unsigned PE
Program crash
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
Suspicious use of SetWindowsHookEx
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-02-06 06:02
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-02-06 06:02
Reported
2024-02-06 06:05
Platform
win7-20231215-en
Max time kernel
141s
Max time network
126s
Command Line
Signatures
Oski
Reads user/profile data of web browsers
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2752 set thread context of 2124 | N/A | C:\Users\Admin\AppData\Local\Temp\93fffc6736b1dd95a4f4e88734e9d540.exe | C:\Users\Admin\AppData\Local\Temp\93fffc6736b1dd95a4f4e88734e9d540.exe |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\93fffc6736b1dd95a4f4e88734e9d540.exe |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\93fffc6736b1dd95a4f4e88734e9d540.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\93fffc6736b1dd95a4f4e88734e9d540.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\93fffc6736b1dd95a4f4e88734e9d540.exe
"C:\Users\Admin\AppData\Local\Temp\93fffc6736b1dd95a4f4e88734e9d540.exe"
C:\Users\Admin\AppData\Local\Temp\93fffc6736b1dd95a4f4e88734e9d540.exe
"C:\Users\Admin\AppData\Local\Temp\93fffc6736b1dd95a4f4e88734e9d540.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2124 -s 768
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | danielmax.ac.ug | udp |
Files
memory/2752-2-0x0000000000230000-0x0000000000231000-memory.dmp
memory/2124-4-0x0000000000400000-0x0000000000439000-memory.dmp
memory/2752-3-0x0000000000250000-0x0000000000258000-memory.dmp
memory/2124-6-0x0000000000400000-0x0000000000439000-memory.dmp
memory/2124-8-0x00000000003B0000-0x00000000003B1000-memory.dmp
memory/2124-9-0x0000000000400000-0x0000000000434000-memory.dmp
memory/2124-11-0x0000000000400000-0x0000000000439000-memory.dmp
memory/2124-12-0x0000000000400000-0x0000000000434000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-02-06 06:02
Reported
2024-02-06 06:05
Platform
win10v2004-20231215-en
Max time kernel
141s
Max time network
150s
Command Line
Signatures
Oski
Reads user/profile data of web browsers
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 5100 set thread context of 2320 | N/A | C:\Users\Admin\AppData\Local\Temp\93fffc6736b1dd95a4f4e88734e9d540.exe | C:\Users\Admin\AppData\Local\Temp\93fffc6736b1dd95a4f4e88734e9d540.exe |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\93fffc6736b1dd95a4f4e88734e9d540.exe |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\93fffc6736b1dd95a4f4e88734e9d540.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\93fffc6736b1dd95a4f4e88734e9d540.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 5100 wrote to memory of 2320 | N/A | C:\Users\Admin\AppData\Local\Temp\93fffc6736b1dd95a4f4e88734e9d540.exe | C:\Users\Admin\AppData\Local\Temp\93fffc6736b1dd95a4f4e88734e9d540.exe |
| PID 5100 wrote to memory of 2320 | N/A | C:\Users\Admin\AppData\Local\Temp\93fffc6736b1dd95a4f4e88734e9d540.exe | C:\Users\Admin\AppData\Local\Temp\93fffc6736b1dd95a4f4e88734e9d540.exe |
| PID 5100 wrote to memory of 2320 | N/A | C:\Users\Admin\AppData\Local\Temp\93fffc6736b1dd95a4f4e88734e9d540.exe | C:\Users\Admin\AppData\Local\Temp\93fffc6736b1dd95a4f4e88734e9d540.exe |
| PID 5100 wrote to memory of 2320 | N/A | C:\Users\Admin\AppData\Local\Temp\93fffc6736b1dd95a4f4e88734e9d540.exe | C:\Users\Admin\AppData\Local\Temp\93fffc6736b1dd95a4f4e88734e9d540.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\93fffc6736b1dd95a4f4e88734e9d540.exe
"C:\Users\Admin\AppData\Local\Temp\93fffc6736b1dd95a4f4e88734e9d540.exe"
C:\Users\Admin\AppData\Local\Temp\93fffc6736b1dd95a4f4e88734e9d540.exe
"C:\Users\Admin\AppData\Local\Temp\93fffc6736b1dd95a4f4e88734e9d540.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2320 -ip 2320
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2320 -s 1328
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 180.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 67.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | danielmax.ac.ug | udp |
| US | 8.8.8.8:53 | 86.23.85.13.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 |
| US | 8.8.8.8:53 | 194.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 29.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 5.173.189.20.in-addr.arpa | udp |
Files
memory/5100-2-0x0000000077D62000-0x0000000077D63000-memory.dmp
memory/5100-3-0x0000000000A40000-0x0000000000A41000-memory.dmp
memory/5100-4-0x0000000000A50000-0x0000000000A58000-memory.dmp
memory/2320-5-0x0000000000400000-0x0000000000439000-memory.dmp
memory/2320-6-0x0000000000400000-0x0000000000439000-memory.dmp
memory/2320-7-0x0000000000400000-0x0000000000439000-memory.dmp
memory/2320-9-0x0000000000400000-0x0000000000439000-memory.dmp
memory/2320-10-0x0000000077D62000-0x0000000077D63000-memory.dmp
memory/2320-11-0x0000000002190000-0x0000000002191000-memory.dmp
memory/2320-14-0x0000000000400000-0x0000000000439000-memory.dmp
memory/2320-16-0x0000000000400000-0x0000000000434000-memory.dmp