Analysis Overview
SHA256
bd9cbcbfd7a897facee368f30d798f2b6cf4bb4aaf1b3301de96e691a6a5ce18
Threat Level: Known bad
The file 0446466ac12756312798acc282f43f42 was found to be: Known bad.
Malicious Activity Summary
Oski
Suspicious use of SetThreadContext
Program crash
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2023-12-21 20:41
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2023-12-21 20:41
Reported
2023-12-21 20:59
Platform
win7-20231129-en
Max time kernel
119s
Max time network
120s
Command Line
Signatures
Oski
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2408 set thread context of 2092 | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
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 |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\0446466ac12756312798acc282f43f42.ps1
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2092 -s 504
C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
"{path}"
Network
Files
memory/2408-4-0x000000001B7B0000-0x000000001BA92000-memory.dmp
memory/2408-5-0x0000000001D80000-0x0000000001D88000-memory.dmp
memory/2408-7-0x0000000002E60000-0x0000000002EE0000-memory.dmp
memory/2408-6-0x000007FEF6080000-0x000007FEF6A1D000-memory.dmp
memory/2408-8-0x000007FEF6080000-0x000007FEF6A1D000-memory.dmp
memory/2408-9-0x0000000002E60000-0x0000000002EE0000-memory.dmp
memory/2408-10-0x0000000002E60000-0x0000000002EE0000-memory.dmp
memory/2408-11-0x0000000002E60000-0x0000000002EE0000-memory.dmp
memory/2408-12-0x00000000028E0000-0x00000000028EA000-memory.dmp
memory/2092-19-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2092-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2092-21-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2092-24-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2092-26-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2408-27-0x000007FEF6080000-0x000007FEF6A1D000-memory.dmp
memory/2092-28-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2092-17-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2092-15-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2092-13-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2092-30-0x0000000000400000-0x0000000000438000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-12-21 20:41
Reported
2023-12-21 21:00
Platform
win10v2004-20231215-en
Max time kernel
143s
Max time network
152s
Command Line
Signatures
Oski
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4532 set thread context of 2288 | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.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 |
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\0446466ac12756312798acc282f43f42.ps1
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"{path}"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 2288 -ip 2288
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2288 -s 1120
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 85.177.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 177.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.2.37.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | www.microsoft.com | udp |
| US | 2.17.5.133:80 | www.microsoft.com | tcp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.5.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 150.1.37.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.171.91.138.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 189.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 179.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 211.143.182.52.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0xsbm2qn.epm.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/4532-9-0x0000015CFF560000-0x0000015CFF582000-memory.dmp
memory/4532-10-0x00007FFB6DD40000-0x00007FFB6E801000-memory.dmp
memory/4532-11-0x0000015C98690000-0x0000015C986A0000-memory.dmp
memory/4532-12-0x0000015C98690000-0x0000015C986A0000-memory.dmp
memory/4532-13-0x0000015C9A950000-0x0000015C9A95A000-memory.dmp
memory/2288-14-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2288-17-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2288-18-0x0000000000400000-0x0000000000438000-memory.dmp
memory/4532-19-0x00007FFB6DD40000-0x00007FFB6E801000-memory.dmp
memory/2288-20-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2288-23-0x0000000000400000-0x0000000000438000-memory.dmp