Analysis Overview
SHA256
1ace37875191bb1b5cf5c0c2a566dbc1894c8931f49e4f41bfd9c604e281edd0
Threat Level: Known bad
The file c397c65e36e5f74b61bb8c7f442b445a was found to be: Known bad.
Malicious Activity Summary
Oski
Reads user/profile data of web browsers
Suspicious use of SetThreadContext
Program crash
Unsigned PE
Suspicious behavior: MapViewOfSection
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-03-12 14:25
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-03-12 14:25
Reported
2024-03-12 14:27
Platform
win10v2004-20240226-en
Max time kernel
149s
Max time network
152s
Command Line
Signatures
Oski
Reads user/profile data of web browsers
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1356 set thread context of 1328 | N/A | C:\Users\Admin\AppData\Local\Temp\c397c65e36e5f74b61bb8c7f442b445a.exe | C:\Users\Admin\AppData\Local\Temp\c397c65e36e5f74b61bb8c7f442b445a.exe |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\c397c65e36e5f74b61bb8c7f442b445a.exe |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c397c65e36e5f74b61bb8c7f442b445a.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c397c65e36e5f74b61bb8c7f442b445a.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1356 wrote to memory of 1328 | N/A | C:\Users\Admin\AppData\Local\Temp\c397c65e36e5f74b61bb8c7f442b445a.exe | C:\Users\Admin\AppData\Local\Temp\c397c65e36e5f74b61bb8c7f442b445a.exe |
| PID 1356 wrote to memory of 1328 | N/A | C:\Users\Admin\AppData\Local\Temp\c397c65e36e5f74b61bb8c7f442b445a.exe | C:\Users\Admin\AppData\Local\Temp\c397c65e36e5f74b61bb8c7f442b445a.exe |
| PID 1356 wrote to memory of 1328 | N/A | C:\Users\Admin\AppData\Local\Temp\c397c65e36e5f74b61bb8c7f442b445a.exe | C:\Users\Admin\AppData\Local\Temp\c397c65e36e5f74b61bb8c7f442b445a.exe |
| PID 1356 wrote to memory of 1328 | N/A | C:\Users\Admin\AppData\Local\Temp\c397c65e36e5f74b61bb8c7f442b445a.exe | C:\Users\Admin\AppData\Local\Temp\c397c65e36e5f74b61bb8c7f442b445a.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\c397c65e36e5f74b61bb8c7f442b445a.exe
"C:\Users\Admin\AppData\Local\Temp\c397c65e36e5f74b61bb8c7f442b445a.exe"
C:\Users\Admin\AppData\Local\Temp\c397c65e36e5f74b61bb8c7f442b445a.exe
"C:\Users\Admin\AppData\Local\Temp\c397c65e36e5f74b61bb8c7f442b445a.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1328 -ip 1328
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1328 -s 1336
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 147.177.190.20.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 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 177.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | mazooyaar.ac.ug | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.241.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 119.110.54.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 199.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 202.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 176.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 29.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 174.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 211.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 195.178.17.96.in-addr.arpa | udp |
Files
memory/1356-2-0x0000000077052000-0x0000000077053000-memory.dmp
memory/1356-3-0x0000000000BA0000-0x0000000000BA1000-memory.dmp
memory/1356-4-0x00000000021F0000-0x00000000021F7000-memory.dmp
memory/1328-5-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1328-6-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1328-7-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1328-9-0x0000000077052000-0x0000000077053000-memory.dmp
memory/1328-11-0x00000000004D0000-0x00000000004D1000-memory.dmp
memory/1356-10-0x00000000021F0000-0x00000000021F7000-memory.dmp
memory/1328-14-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1328-16-0x0000000000400000-0x0000000000434000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-03-12 14:25
Reported
2024-03-12 14:27
Platform
win7-20240221-en
Max time kernel
140s
Max time network
122s
Command Line
Signatures
Oski
Reads user/profile data of web browsers
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2036 set thread context of 1276 | N/A | C:\Users\Admin\AppData\Local\Temp\c397c65e36e5f74b61bb8c7f442b445a.exe | C:\Users\Admin\AppData\Local\Temp\c397c65e36e5f74b61bb8c7f442b445a.exe |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\c397c65e36e5f74b61bb8c7f442b445a.exe |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c397c65e36e5f74b61bb8c7f442b445a.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c397c65e36e5f74b61bb8c7f442b445a.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\c397c65e36e5f74b61bb8c7f442b445a.exe
"C:\Users\Admin\AppData\Local\Temp\c397c65e36e5f74b61bb8c7f442b445a.exe"
C:\Users\Admin\AppData\Local\Temp\c397c65e36e5f74b61bb8c7f442b445a.exe
"C:\Users\Admin\AppData\Local\Temp\c397c65e36e5f74b61bb8c7f442b445a.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1276 -s 780
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | mazooyaar.ac.ug | udp |
Files
memory/2036-2-0x0000000000230000-0x0000000000231000-memory.dmp
memory/2036-3-0x0000000000250000-0x0000000000257000-memory.dmp
memory/1276-4-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2036-6-0x0000000000250000-0x0000000000257000-memory.dmp
memory/1276-7-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1276-9-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1276-10-0x0000000000230000-0x0000000000231000-memory.dmp
memory/1276-11-0x0000000000400000-0x0000000000434000-memory.dmp
memory/1276-13-0x0000000000400000-0x0000000000434000-memory.dmp
memory/1276-14-0x0000000000400000-0x0000000000438000-memory.dmp