Analysis Overview
SHA256
6f9991b2dbb68f2cb2f1846a641e54857cc5a1b3f683e7883ac85e3a040987d1
Threat Level: Known bad
The file d62e7eaa8e9524f1094f2ee37b31c09f 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
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-03-19 13:02
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-03-19 13:02
Reported
2024-03-19 13:04
Platform
win7-20240221-en
Max time kernel
141s
Max time network
119s
Command Line
Signatures
Oski
Reads user/profile data of web browsers
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1864 set thread context of 2496 | N/A | C:\Users\Admin\AppData\Local\Temp\d62e7eaa8e9524f1094f2ee37b31c09f.exe | C:\Users\Admin\AppData\Local\Temp\d62e7eaa8e9524f1094f2ee37b31c09f.exe |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\d62e7eaa8e9524f1094f2ee37b31c09f.exe |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\d62e7eaa8e9524f1094f2ee37b31c09f.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\d62e7eaa8e9524f1094f2ee37b31c09f.exe
"C:\Users\Admin\AppData\Local\Temp\d62e7eaa8e9524f1094f2ee37b31c09f.exe"
C:\Users\Admin\AppData\Local\Temp\d62e7eaa8e9524f1094f2ee37b31c09f.exe
"C:\Users\Admin\AppData\Local\Temp\d62e7eaa8e9524f1094f2ee37b31c09f.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2496 -s 768
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | edkark.xyz | udp |
Files
memory/1864-1-0x0000000000090000-0x0000000000190000-memory.dmp
memory/2496-3-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1864-2-0x0000000000220000-0x0000000000222000-memory.dmp
memory/2496-5-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2496-6-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2496-7-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2496-9-0x0000000000400000-0x0000000000438000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-03-19 13:02
Reported
2024-03-19 13:04
Platform
win10v2004-20240226-en
Max time kernel
149s
Max time network
151s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\d62e7eaa8e9524f1094f2ee37b31c09f.exe |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3956 wrote to memory of 4584 | N/A | C:\Users\Admin\AppData\Local\Temp\d62e7eaa8e9524f1094f2ee37b31c09f.exe | C:\Users\Admin\AppData\Local\Temp\d62e7eaa8e9524f1094f2ee37b31c09f.exe |
| PID 3956 wrote to memory of 4584 | N/A | C:\Users\Admin\AppData\Local\Temp\d62e7eaa8e9524f1094f2ee37b31c09f.exe | C:\Users\Admin\AppData\Local\Temp\d62e7eaa8e9524f1094f2ee37b31c09f.exe |
| PID 3956 wrote to memory of 4584 | N/A | C:\Users\Admin\AppData\Local\Temp\d62e7eaa8e9524f1094f2ee37b31c09f.exe | C:\Users\Admin\AppData\Local\Temp\d62e7eaa8e9524f1094f2ee37b31c09f.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\d62e7eaa8e9524f1094f2ee37b31c09f.exe
"C:\Users\Admin\AppData\Local\Temp\d62e7eaa8e9524f1094f2ee37b31c09f.exe"
C:\Users\Admin\AppData\Local\Temp\d62e7eaa8e9524f1094f2ee37b31c09f.exe
"C:\Users\Admin\AppData\Local\Temp\d62e7eaa8e9524f1094f2ee37b31c09f.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3956 -ip 3956
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3956 -s 364
Network
| Country | Destination | Domain | Proto |
| 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 | 18.53.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.204.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.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 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.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 | 90.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 210.178.17.96.in-addr.arpa | udp |
| NL | 52.142.223.178:80 | tcp | |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 178.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 64.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.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 | udp |
Files
memory/3956-1-0x00000000000A0000-0x00000000001A0000-memory.dmp
memory/3956-2-0x00000000005F0000-0x00000000005F2000-memory.dmp