Analysis Overview
SHA256
37cdb8d6a19c396cebbe44953363fcf9c7f7c27b1d27734edb81491dfb8c3069
Threat Level: Known bad
The file f91a93aba78c83e1e03a3ce5e2dc72c6 was found to be: Known bad.
Malicious Activity Summary
Oski
Suspicious use of SetThreadContext
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2023-12-22 16:54
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2023-12-22 16:54
Reported
2023-12-22 22:59
Platform
win7-20231129-en
Max time kernel
117s
Max time network
118s
Command Line
Signatures
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Processes
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\f91a93aba78c83e1e03a3ce5e2dc72c6.ps1
Network
Files
memory/1680-4-0x000000001B740000-0x000000001BA22000-memory.dmp
memory/1680-6-0x000007FEF5B90000-0x000007FEF652D000-memory.dmp
memory/1680-5-0x0000000001E80000-0x0000000001E88000-memory.dmp
memory/1680-7-0x0000000002CC0000-0x0000000002D40000-memory.dmp
memory/1680-9-0x0000000002CC0000-0x0000000002D40000-memory.dmp
memory/1680-8-0x000007FEF5B90000-0x000007FEF652D000-memory.dmp
memory/1680-10-0x0000000002CC0000-0x0000000002D40000-memory.dmp
memory/1680-11-0x0000000002CC0000-0x0000000002D40000-memory.dmp
memory/1680-12-0x000007FEF5B90000-0x000007FEF652D000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-12-22 16:54
Reported
2023-12-22 23:00
Platform
win10v2004-20231215-en
Max time kernel
148s
Max time network
157s
Command Line
Signatures
Oski
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3804 set thread context of 4364 | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\f91a93aba78c83e1e03a3ce5e2dc72c6.ps1
C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
#cmd
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 59.128.231.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 173.178.17.96.in-addr.arpa | udp |
| US | 20.231.121.79:80 | tcp | |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| VN | 103.114.107.28:80 | tcp | |
| US | 8.8.8.8:53 | 158.240.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| VN | 103.114.107.28:80 | tcp | |
| US | 8.8.8.8:53 | 208.194.73.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 146.78.124.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.204.248.87.in-addr.arpa | udp |
| VN | 103.114.107.28:80 | tcp | |
| 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 |
| VN | 103.114.107.28:80 | tcp | |
| US | 8.8.8.8:53 | 21.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.171.91.138.in-addr.arpa | udp |
| VN | 103.114.107.28:80 | tcp | |
| VN | 103.114.107.28:80 | tcp | |
| US | 8.8.8.8:53 | 13.173.189.20.in-addr.arpa | udp |
| VN | 103.114.107.28:80 | tcp |
Files
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_qfwmvr00.epl.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/3804-9-0x0000022F6A7A0000-0x0000022F6A7C2000-memory.dmp
memory/3804-10-0x00007FFCBDC40000-0x00007FFCBE701000-memory.dmp
memory/3804-12-0x0000022F6A7F0000-0x0000022F6A800000-memory.dmp
memory/3804-11-0x0000022F6A7F0000-0x0000022F6A800000-memory.dmp
memory/3804-13-0x0000022F6A7D0000-0x0000022F6A7F6000-memory.dmp
memory/3804-15-0x0000022F6A7D0000-0x0000022F6A7F0000-memory.dmp
memory/3804-14-0x0000022F6A7D0000-0x0000022F6A7F0000-memory.dmp
memory/3804-17-0x0000022F6A7D0000-0x0000022F6A7F0000-memory.dmp
memory/3804-19-0x0000022F6A7D0000-0x0000022F6A7F0000-memory.dmp
memory/3804-21-0x0000022F6A7D0000-0x0000022F6A7F0000-memory.dmp
memory/3804-23-0x0000022F6A7D0000-0x0000022F6A7F0000-memory.dmp
memory/3804-25-0x0000022F6A7D0000-0x0000022F6A7F0000-memory.dmp
memory/3804-27-0x0000022F6A7D0000-0x0000022F6A7F0000-memory.dmp
memory/3804-29-0x0000022F6A7D0000-0x0000022F6A7F0000-memory.dmp
memory/3804-31-0x0000022F6A7D0000-0x0000022F6A7F0000-memory.dmp
memory/3804-33-0x0000022F6A7D0000-0x0000022F6A7F0000-memory.dmp
memory/3804-35-0x0000022F6A7D0000-0x0000022F6A7F0000-memory.dmp
memory/3804-39-0x0000022F6A7D0000-0x0000022F6A7F0000-memory.dmp
memory/3804-41-0x0000022F6A7D0000-0x0000022F6A7F0000-memory.dmp
memory/3804-37-0x0000022F6A7D0000-0x0000022F6A7F0000-memory.dmp
memory/3804-43-0x0000022F6A7D0000-0x0000022F6A7F0000-memory.dmp
memory/3804-45-0x0000022F6A7D0000-0x0000022F6A7F0000-memory.dmp
memory/3804-53-0x0000022F6A7D0000-0x0000022F6A7F0000-memory.dmp
memory/3804-51-0x0000022F6A7D0000-0x0000022F6A7F0000-memory.dmp
memory/3804-49-0x0000022F6A7D0000-0x0000022F6A7F0000-memory.dmp
memory/3804-47-0x0000022F6A7D0000-0x0000022F6A7F0000-memory.dmp
memory/3804-54-0x0000022F6A790000-0x0000022F6A791000-memory.dmp
memory/4364-55-0x0000000000400000-0x0000000000438000-memory.dmp
memory/4364-58-0x0000000000400000-0x0000000000438000-memory.dmp
memory/3804-59-0x00007FFCBDC40000-0x00007FFCBE701000-memory.dmp
memory/4364-60-0x0000000000400000-0x0000000000438000-memory.dmp
memory/4364-61-0x0000000000400000-0x0000000000438000-memory.dmp
memory/4364-62-0x0000000000400000-0x0000000000438000-memory.dmp