Analysis Overview
SHA256
9bb9ebda548a1b5411f95a24e4f2b27705473e91033ae6cb158c19eb2cca5908
Threat Level: Known bad
The file 4c8015bbc773e46fdbd2ed3785d7bb57 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 Matrix
Analysis: static1
Detonation Overview
Reported
2024-01-08 21:29
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2024-01-08 21:29
Reported
2024-01-08 21:32
Platform
win7-20231215-en
Max time kernel
121s
Max time network
124s
Command Line
Signatures
Oski
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2528 set thread context of 2852 | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.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 |
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\4c8015bbc773e46fdbd2ed3785d7bb57.ps1
C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
#Powershell
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2852 -s 112
Network
Files
memory/2528-4-0x000000001B230000-0x000000001B512000-memory.dmp
memory/2528-5-0x0000000002460000-0x0000000002468000-memory.dmp
memory/2528-7-0x0000000002870000-0x00000000028F0000-memory.dmp
memory/2528-6-0x000007FEF5800000-0x000007FEF619D000-memory.dmp
memory/2528-8-0x000007FEF5800000-0x000007FEF619D000-memory.dmp
memory/2528-10-0x0000000002870000-0x00000000028F0000-memory.dmp
memory/2528-9-0x0000000002870000-0x00000000028F0000-memory.dmp
memory/2528-11-0x000000001B190000-0x000000001B1A2000-memory.dmp
memory/2852-19-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2852-17-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2852-15-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2852-14-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2852-12-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2852-21-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2852-20-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2528-23-0x000007FEF5800000-0x000007FEF619D000-memory.dmp
memory/2852-24-0x0000000000400000-0x0000000000438000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-01-08 21:29
Reported
2024-01-08 21:32
Platform
win10v2004-20231215-en
Max time kernel
9s
Max time network
127s
Command Line
Signatures
Oski
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1468 set thread context of 3316 | 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\4c8015bbc773e46fdbd2ed3785d7bb57.ps1
C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
#Powershell
Network
| Country | Destination | Domain | Proto |
| US | 20.231.121.79:80 | tcp | |
| US | 8.8.8.8:53 | 20.177.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 146.78.124.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 178.178.17.96.in-addr.arpa | udp |
| 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 | 208.194.73.20.in-addr.arpa | udp |
| VN | 103.99.1.60:80 | tcp | |
| US | 8.8.8.8:53 | 167.109.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 59.128.231.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| VN | 103.99.1.60:80 | tcp | |
| US | 8.8.8.8:53 | 134.71.91.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.1.37.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 119.110.54.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 140.71.91.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 174.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 207.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 61.179.17.96.in-addr.arpa | udp |
| US | 204.79.197.200:443 | tcp | |
| US | 8.8.8.8:53 | 11.192.122.92.in-addr.arpa | udp |
| GB | 87.248.205.0:80 | tcp | |
| GB | 87.248.205.0:80 | tcp | |
| VN | 103.99.1.60:80 | tcp | |
| GB | 87.248.205.0:80 | tcp | |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
| GB | 87.248.205.0:80 | tcp | |
| VN | 103.99.1.60:80 | tcp | |
| US | 8.8.8.8:53 | udp |
Files
memory/1468-5-0x0000013678F10000-0x0000013678F32000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2pca2tfc.dgu.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/1468-12-0x000001365E7F0000-0x000001365E800000-memory.dmp
memory/1468-13-0x000001365E7F0000-0x000001365E800000-memory.dmp
memory/1468-11-0x000001365E7F0000-0x000001365E800000-memory.dmp
memory/1468-10-0x00007FFBE9770000-0x00007FFBEA231000-memory.dmp
memory/1468-14-0x0000013679080000-0x0000013679092000-memory.dmp
memory/3316-18-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1468-20-0x00007FFBE9770000-0x00007FFBEA231000-memory.dmp
memory/3316-21-0x0000000000400000-0x0000000000438000-memory.dmp
memory/3316-19-0x0000000000400000-0x0000000000438000-memory.dmp
memory/3316-15-0x0000000000400000-0x0000000000438000-memory.dmp
memory/3316-22-0x0000000000400000-0x0000000000438000-memory.dmp