Analysis Overview
SHA256
e543def5c2daeca7cf754090cffd2985dd00a3e03630391d5e0155121a557af6
Threat Level: Known bad
The file 588973c3e0c9775ff44f3ec831624cad 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
2024-01-13 09:09
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2024-01-13 09:09
Reported
2024-01-13 09:12
Platform
win7-20231215-en
Max time kernel
131s
Max time network
139s
Command Line
Signatures
Oski
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2532 set thread context of 2264 | 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 |
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\588973c3e0c9775ff44f3ec831624cad.ps1
C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
#Powershell
Network
| Country | Destination | Domain | Proto |
| VN | 103.99.1.60:80 | tcp | |
| VN | 103.99.1.60:80 | tcp | |
| VN | 103.99.1.60:80 | tcp | |
| VN | 103.99.1.60:80 | tcp | |
| VN | 103.99.1.60:80 | tcp | |
| VN | 103.99.1.60:80 | tcp | |
| VN | 103.99.1.60:80 | tcp |
Files
memory/2532-4-0x000000001B5E0000-0x000000001B8C2000-memory.dmp
memory/2532-5-0x0000000001E60000-0x0000000001E68000-memory.dmp
memory/2532-6-0x000007FEF5A60000-0x000007FEF63FD000-memory.dmp
memory/2532-7-0x0000000002940000-0x00000000029C0000-memory.dmp
memory/2532-8-0x000007FEF5A60000-0x000007FEF63FD000-memory.dmp
memory/2532-9-0x0000000002940000-0x00000000029C0000-memory.dmp
memory/2532-10-0x0000000002940000-0x00000000029C0000-memory.dmp
memory/2532-11-0x00000000029F0000-0x0000000002A02000-memory.dmp
memory/2264-16-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2264-15-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2264-14-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2264-13-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2264-12-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2264-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2264-18-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2264-20-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2532-21-0x000007FEF5A60000-0x000007FEF63FD000-memory.dmp
memory/2264-22-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2264-23-0x0000000000400000-0x0000000000438000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-01-13 09:09
Reported
2024-01-13 09:12
Platform
win10v2004-20231215-en
Max time kernel
149s
Max time network
150s
Command Line
Signatures
Oski
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2176 set thread context of 4756 | 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 |
| 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\588973c3e0c9775ff44f3ec831624cad.ps1
C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
#Powershell
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4756 -ip 4756
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4756 -s 1216
Network
| Country | Destination | Domain | Proto |
| US | 138.91.171.81:80 | tcp | |
| 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 | 19.177.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 158.240.127.40.in-addr.arpa | udp |
| VN | 103.99.1.60:80 | tcp | |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| VN | 103.99.1.60:80 | tcp | |
| VN | 103.99.1.60:80 | tcp | |
| VN | 103.99.1.60:80 | tcp | |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| 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 |
| VN | 103.99.1.60:80 | tcp | |
| VN | 103.99.1.60:80 | tcp | |
| US | 8.8.8.8:53 | 178.223.142.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.193.132.51.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_nwa5urzq.fae.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/2176-9-0x000001A8C8020000-0x000001A8C8042000-memory.dmp
memory/2176-10-0x00007FFE26660000-0x00007FFE27121000-memory.dmp
memory/2176-12-0x000001A8C80B0000-0x000001A8C80C0000-memory.dmp
memory/2176-11-0x000001A8C80B0000-0x000001A8C80C0000-memory.dmp
memory/2176-13-0x000001A8C8010000-0x000001A8C8022000-memory.dmp
memory/4756-20-0x0000000000400000-0x0000000000438000-memory.dmp
memory/4756-19-0x0000000000400000-0x0000000000438000-memory.dmp
memory/4756-17-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2176-18-0x00007FFE26660000-0x00007FFE27121000-memory.dmp
memory/4756-14-0x0000000000400000-0x0000000000438000-memory.dmp
memory/4756-21-0x0000000000400000-0x0000000000438000-memory.dmp
memory/4756-24-0x0000000000400000-0x0000000000438000-memory.dmp