Analysis Overview
SHA256
2eb191ee2a979725dd5fccac5a356c688a234f55f95c74b4f8eacfcd35b74ca1
Threat Level: Known bad
The file 856df5370f692333d93945dc1c5483a5 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
2024-02-01 00:16
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-02-01 00:16
Reported
2024-02-01 00:19
Platform
win7-20231129-en
Max time kernel
140s
Max time network
121s
Command Line
Signatures
Oski
Reads user/profile data of web browsers
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2220 set thread context of 2036 | N/A | C:\Users\Admin\AppData\Local\Temp\Items.exe | C:\Users\Admin\AppData\Local\Temp\Items.exe |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\Items.exe |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Items.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\Items.exe
"C:\Users\Admin\AppData\Local\Temp\Items.exe"
C:\Users\Admin\AppData\Local\Temp\Items.exe
"C:\Users\Admin\AppData\Local\Temp\Items.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2036 -s 768
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | edkark.xyz | udp |
Files
memory/2220-1-0x0000000000090000-0x0000000000190000-memory.dmp
memory/2220-2-0x00000000002D0000-0x00000000002D2000-memory.dmp
memory/2036-3-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2036-5-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2036-6-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2036-7-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2036-9-0x0000000000400000-0x0000000000438000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-02-01 00:16
Reported
2024-02-01 00:19
Platform
win10v2004-20231215-en
Max time kernel
143s
Max time network
151s
Command Line
Signatures
Oski
Reads user/profile data of web browsers
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1724 set thread context of 1716 | N/A | C:\Users\Admin\AppData\Local\Temp\Items.exe | C:\Users\Admin\AppData\Local\Temp\Items.exe |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\Items.exe |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Items.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1724 wrote to memory of 1716 | N/A | C:\Users\Admin\AppData\Local\Temp\Items.exe | C:\Users\Admin\AppData\Local\Temp\Items.exe |
| PID 1724 wrote to memory of 1716 | N/A | C:\Users\Admin\AppData\Local\Temp\Items.exe | C:\Users\Admin\AppData\Local\Temp\Items.exe |
| PID 1724 wrote to memory of 1716 | N/A | C:\Users\Admin\AppData\Local\Temp\Items.exe | C:\Users\Admin\AppData\Local\Temp\Items.exe |
| PID 1724 wrote to memory of 1716 | N/A | C:\Users\Admin\AppData\Local\Temp\Items.exe | C:\Users\Admin\AppData\Local\Temp\Items.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\Items.exe
"C:\Users\Admin\AppData\Local\Temp\Items.exe"
C:\Users\Admin\AppData\Local\Temp\Items.exe
"C:\Users\Admin\AppData\Local\Temp\Items.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1716 -ip 1716
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1716 -s 1292
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | edkark.xyz | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 69.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 20.231.121.79:80 | tcp | |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| GB | 96.16.110.41:443 | tcp | |
| SE | 192.229.221.95:80 | tcp | |
| US | 8.8.8.8:53 | 11.179.89.13.in-addr.arpa | udp |
Files
memory/1724-1-0x00000000000A0000-0x00000000001A0000-memory.dmp
memory/1724-2-0x0000000000A70000-0x0000000000A72000-memory.dmp
memory/1716-3-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1716-4-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1716-5-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1716-6-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1716-9-0x0000000000400000-0x0000000000438000-memory.dmp