Analysis Overview
SHA256
dbe7ae3664d55a4ed1720658ddbcdd00210649becb4a5a48ed13e08b98d94010
Threat Level: Known bad
The file 5f34c76b6ffb8fd032ccc5633072f573 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 03:58
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2023-12-22 03:58
Reported
2023-12-23 07:35
Platform
win7-20231215-en
Max time kernel
0s
Max time network
137s
Command Line
Signatures
Oski
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\5f34c76b6ffb8fd032ccc5633072f573.ps1
C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
"{path}"
Network
| Country | Destination | Domain | Proto |
| VN | 103.114.107.28:80 | tcp | |
| VN | 103.114.107.28:80 | tcp | |
| VN | 103.114.107.28:80 | tcp | |
| VN | 103.114.107.28:80 | tcp | |
| VN | 103.114.107.28:80 | tcp | |
| VN | 103.114.107.28:80 | tcp | |
| VN | 103.114.107.28:80 | tcp |
Files
memory/860-4-0x000000001B790000-0x000000001BA72000-memory.dmp
memory/860-6-0x000007FEF4850000-0x000007FEF51ED000-memory.dmp
memory/860-7-0x0000000002E10000-0x0000000002E90000-memory.dmp
memory/860-11-0x0000000002E10000-0x0000000002E90000-memory.dmp
memory/860-10-0x0000000002E10000-0x0000000002E90000-memory.dmp
memory/860-9-0x0000000002E10000-0x0000000002E90000-memory.dmp
memory/860-8-0x000007FEF4850000-0x000007FEF51ED000-memory.dmp
memory/860-5-0x0000000001E80000-0x0000000001E88000-memory.dmp
memory/2292-19-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2292-24-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2292-25-0x0000000000400000-0x0000000000438000-memory.dmp
memory/860-23-0x000007FEF4850000-0x000007FEF51ED000-memory.dmp
memory/2292-21-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2292-20-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2292-18-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2292-17-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2292-15-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2292-13-0x0000000000400000-0x0000000000438000-memory.dmp
memory/860-12-0x0000000002960000-0x000000000296A000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-12-22 03:58
Reported
2023-12-23 07:35
Platform
win10v2004-20231215-en
Max time kernel
158s
Max time network
165s
Command Line
Signatures
Oski
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 336 set thread context of 3476 | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.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 |
| 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\5f34c76b6ffb8fd032ccc5633072f573.ps1
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"{path}"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"{path}"
Network
| Country | Destination | Domain | Proto |
| US | 138.91.171.81:80 | tcp | |
| US | 8.8.8.8:53 | 79.121.231.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 1.181.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 208.194.73.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| VN | 103.114.107.28:80 | tcp | |
| 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 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 59.128.231.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 158.240.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| VN | 103.114.107.28:80 | tcp | |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | 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 | |
| VN | 103.114.107.28:80 | tcp | |
| VN | 103.114.107.28:80 | tcp | |
| US | 8.8.8.8:53 | 178.223.142.52.in-addr.arpa | udp |
| VN | 103.114.107.28:80 | tcp | |
| US | 8.8.8.8:53 | 136.71.105.51.in-addr.arpa | udp |
| VN | 103.114.107.28:80 | tcp |
Files
memory/336-0-0x000001FA3D4A0000-0x000001FA3D4C2000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_eh4mq4a4.3md.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/336-10-0x00007FFED44E0000-0x00007FFED4FA1000-memory.dmp
memory/336-11-0x000001FA3D4E0000-0x000001FA3D4F0000-memory.dmp
memory/336-13-0x000001FA3D4E0000-0x000001FA3D4F0000-memory.dmp
memory/336-12-0x000001FA3D4E0000-0x000001FA3D4F0000-memory.dmp
memory/336-14-0x000001FA3D4D0000-0x000001FA3D4DA000-memory.dmp
memory/3476-18-0x0000000000400000-0x0000000000438000-memory.dmp
memory/336-19-0x00007FFED44E0000-0x00007FFED4FA1000-memory.dmp
memory/3476-15-0x0000000000400000-0x0000000000438000-memory.dmp
memory/3476-20-0x0000000000400000-0x0000000000438000-memory.dmp
memory/3476-21-0x0000000000400000-0x0000000000438000-memory.dmp
memory/3476-22-0x0000000000400000-0x0000000000438000-memory.dmp