Analysis Overview
SHA256
90a9ef1c549a9f2646f6c603e27570832f371d25d2fc4b967c96f55fa034e557
Threat Level: Known bad
The file 5ad9f6be601fb9f23677c239c91deae2 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 WriteProcessMemory
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-01-14 09:09
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-01-14 09:09
Reported
2024-01-14 09:12
Platform
win7-20231215-en
Max time kernel
141s
Max time network
121s
Command Line
Signatures
Oski
Reads user/profile data of web browsers
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1860 set thread context of 1876 | N/A | C:\Users\Admin\AppData\Local\Temp\5ad9f6be601fb9f23677c239c91deae2.exe | C:\Users\Admin\AppData\Local\Temp\5ad9f6be601fb9f23677c239c91deae2.exe |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\5ad9f6be601fb9f23677c239c91deae2.exe |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\5ad9f6be601fb9f23677c239c91deae2.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\5ad9f6be601fb9f23677c239c91deae2.exe
"C:\Users\Admin\AppData\Local\Temp\5ad9f6be601fb9f23677c239c91deae2.exe"
C:\Users\Admin\AppData\Local\Temp\5ad9f6be601fb9f23677c239c91deae2.exe
"C:\Users\Admin\AppData\Local\Temp\5ad9f6be601fb9f23677c239c91deae2.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1876 -s 764
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | evakark.xyz | udp |
Files
memory/1876-2-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1860-1-0x0000000000090000-0x0000000000190000-memory.dmp
memory/1876-4-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1876-5-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1876-6-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1876-8-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1860-9-0x0000000000090000-0x0000000000190000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-01-14 09:09
Reported
2024-01-14 09:11
Platform
win10v2004-20231222-en
Max time kernel
150s
Max time network
149s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\5ad9f6be601fb9f23677c239c91deae2.exe |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1004 wrote to memory of 1180 | N/A | C:\Users\Admin\AppData\Local\Temp\5ad9f6be601fb9f23677c239c91deae2.exe | C:\Users\Admin\AppData\Local\Temp\5ad9f6be601fb9f23677c239c91deae2.exe |
| PID 1004 wrote to memory of 1180 | N/A | C:\Users\Admin\AppData\Local\Temp\5ad9f6be601fb9f23677c239c91deae2.exe | C:\Users\Admin\AppData\Local\Temp\5ad9f6be601fb9f23677c239c91deae2.exe |
| PID 1004 wrote to memory of 1180 | N/A | C:\Users\Admin\AppData\Local\Temp\5ad9f6be601fb9f23677c239c91deae2.exe | C:\Users\Admin\AppData\Local\Temp\5ad9f6be601fb9f23677c239c91deae2.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\5ad9f6be601fb9f23677c239c91deae2.exe
"C:\Users\Admin\AppData\Local\Temp\5ad9f6be601fb9f23677c239c91deae2.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 1004 -ip 1004
C:\Users\Admin\AppData\Local\Temp\5ad9f6be601fb9f23677c239c91deae2.exe
"C:\Users\Admin\AppData\Local\Temp\5ad9f6be601fb9f23677c239c91deae2.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1004 -s 364
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 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 146.177.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.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 | 18.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 176.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 174.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.169.31.20.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 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 32.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| GB | 96.17.178.174:80 | tcp | |
| GB | 96.17.178.174:80 | tcp | |
| GB | 96.17.178.174:80 | tcp | |
| GB | 96.17.178.174:80 | tcp | |
| GB | 96.17.178.174:80 | tcp |
Files
memory/1004-2-0x0000000000740000-0x0000000000742000-memory.dmp
memory/1004-1-0x00000000000A0000-0x00000000001A0000-memory.dmp