Analysis Overview
SHA256
231ac4cf73a42ea2dc3fb6fc6c708a1288322ce9c98098d3e6f1b100c2c0b3d7
Threat Level: Known bad
The file bff92dc80413fbf07cac532191df5832 was found to be: Known bad.
Malicious Activity Summary
Oski
Suspicious use of SetThreadContext
Program crash
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK Matrix
Analysis: static1
Detonation Overview
Reported
2024-03-11 05:34
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2024-03-11 05:34
Reported
2024-03-11 05:37
Platform
win7-20240220-en
Max time kernel
122s
Max time network
123s
Command Line
Signatures
Oski
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2500 set thread context of 2564 | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.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\bff92dc80413fbf07cac532191df5832.ps1
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2564 -s 736
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 | |
| 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/2500-4-0x000000001B5B0000-0x000000001B892000-memory.dmp
memory/2500-5-0x00000000026F0000-0x00000000026F8000-memory.dmp
memory/2500-6-0x000007FEF5620000-0x000007FEF5FBD000-memory.dmp
memory/2500-7-0x0000000002B10000-0x0000000002B90000-memory.dmp
memory/2500-8-0x000007FEF5620000-0x000007FEF5FBD000-memory.dmp
memory/2500-9-0x0000000002B10000-0x0000000002B90000-memory.dmp
memory/2500-10-0x0000000002B10000-0x0000000002B90000-memory.dmp
memory/2500-11-0x0000000002B10000-0x0000000002B90000-memory.dmp
memory/2500-12-0x00000000029F0000-0x00000000029F8000-memory.dmp
memory/2564-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2564-21-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2564-24-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2564-19-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2564-17-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2564-15-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2564-13-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2500-27-0x000007FEF5620000-0x000007FEF5FBD000-memory.dmp
memory/2564-26-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2564-28-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2564-29-0x0000000000400000-0x0000000000438000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-03-11 05:34
Reported
2024-03-11 05:37
Platform
win10v2004-20240226-en
Max time kernel
150s
Max time network
155s
Command Line
Signatures
Oski
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4744 set thread context of 636 | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.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\bff92dc80413fbf07cac532191df5832.ps1
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 636 -ip 636
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 636 -s 1272
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 79.121.231.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.178.17.96.in-addr.arpa | udp |
| VN | 103.99.1.60:80 | 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 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| VN | 103.99.1.60:80 | tcp | |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 138.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| VN | 103.99.1.60:80 | tcp | |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| VN | 103.99.1.60:80 | tcp | |
| US | 8.8.8.8:53 | 104.241.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 119.110.54.20.in-addr.arpa | udp |
| VN | 103.99.1.60:80 | tcp | |
| US | 8.8.8.8:53 | 174.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.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 |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| VN | 103.99.1.60:80 | tcp | |
| VN | 103.99.1.60:80 | tcp | |
| US | 8.8.8.8:53 | 180.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 176.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 25.73.42.20.in-addr.arpa | udp |
| GB | 96.17.178.174:80 | tcp |
Files
memory/4744-5-0x00000214B8500000-0x00000214B8522000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_lrmy2j45.wpi.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/4744-10-0x00007FFE83EB0000-0x00007FFE84971000-memory.dmp
memory/4744-11-0x00000214B85B0000-0x00000214B85C0000-memory.dmp
memory/4744-12-0x00000214B85B0000-0x00000214B85C0000-memory.dmp
memory/4744-13-0x00000214A00A0000-0x00000214A00A8000-memory.dmp
memory/636-14-0x0000000000400000-0x0000000000438000-memory.dmp
memory/636-17-0x0000000000400000-0x0000000000438000-memory.dmp
memory/4744-18-0x00007FFE83EB0000-0x00007FFE84971000-memory.dmp
memory/636-19-0x0000000000400000-0x0000000000438000-memory.dmp
memory/636-20-0x0000000000400000-0x0000000000438000-memory.dmp
memory/636-21-0x0000000000400000-0x0000000000438000-memory.dmp
memory/636-24-0x0000000000400000-0x0000000000438000-memory.dmp