Analysis Overview
SHA256
db22f8a0e715eacf4b2c0341023da4d9e3728a84429518af2ab45ae112dd425a
Threat Level: Known bad
The file 8686fafede5fe7c30d6fe69dc42fa654 was found to be: Known bad.
Malicious Activity Summary
Oski
Suspicious use of SetThreadContext
Program crash
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK Matrix
Analysis: static1
Detonation Overview
Reported
2024-02-01 09:25
Signatures
Analysis: behavioral2
Detonation Overview
Submitted
2024-02-01 09:25
Reported
2024-02-01 09:27
Platform
win10v2004-20231222-en
Max time kernel
150s
Max time network
149s
Command Line
Signatures
Oski
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3172 set thread context of 3960 | 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 |
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\8686fafede5fe7c30d6fe69dc42fa654.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 -pss -s 408 -p 3960 -ip 3960
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3960 -s 1200
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 192.178.17.96.in-addr.arpa | udp |
| VN | 103.99.1.60:80 | tcp | |
| US | 8.8.8.8:53 | 133.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.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 | 18.31.95.13.in-addr.arpa | udp |
| VN | 103.99.1.60:80 | tcp | |
| US | 8.8.8.8:53 | 200.178.17.96.in-addr.arpa | udp |
| VN | 103.99.1.60:80 | tcp | |
| VN | 103.99.1.60:80 | tcp | |
| US | 8.8.8.8:53 | 203.178.17.96.in-addr.arpa | udp |
| VN | 103.99.1.60:80 | tcp | |
| VN | 103.99.1.60:80 | tcp |
Files
memory/3172-0-0x0000021DFE8B0000-0x0000021DFE8D2000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_n0u2btbm.033.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/3172-10-0x00007FF8CA8B0000-0x00007FF8CB371000-memory.dmp
memory/3172-11-0x0000021DFF030000-0x0000021DFF040000-memory.dmp
memory/3172-12-0x0000021DFF030000-0x0000021DFF040000-memory.dmp
memory/3172-13-0x0000021D9A5C0000-0x0000021D9A5C8000-memory.dmp
memory/3960-14-0x0000000000400000-0x0000000000438000-memory.dmp
memory/3960-17-0x0000000000400000-0x0000000000438000-memory.dmp
memory/3960-20-0x0000000000400000-0x0000000000438000-memory.dmp
memory/3960-19-0x0000000000400000-0x0000000000438000-memory.dmp
memory/3172-18-0x00007FF8CA8B0000-0x00007FF8CB371000-memory.dmp
memory/3960-21-0x0000000000400000-0x0000000000438000-memory.dmp
memory/3960-24-0x0000000000400000-0x0000000000438000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-02-01 09:25
Reported
2024-02-01 09:27
Platform
win7-20231215-en
Max time kernel
149s
Max time network
149s
Command Line
Signatures
Oski
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2308 set thread context of 2660 | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.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\8686fafede5fe7c30d6fe69dc42fa654.ps1
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
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 |
Files
memory/2308-4-0x000000001B750000-0x000000001BA32000-memory.dmp
memory/2308-6-0x000007FEF5CC0000-0x000007FEF665D000-memory.dmp
memory/2308-7-0x0000000002CB0000-0x0000000002D30000-memory.dmp
memory/2308-8-0x000007FEF5CC0000-0x000007FEF665D000-memory.dmp
memory/2308-10-0x0000000002CB0000-0x0000000002D30000-memory.dmp
memory/2308-9-0x0000000002CB0000-0x0000000002D30000-memory.dmp
memory/2308-5-0x0000000002290000-0x0000000002298000-memory.dmp
memory/2308-11-0x00000000028E0000-0x00000000028E8000-memory.dmp
memory/2660-12-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2660-22-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2660-21-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2660-20-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2308-25-0x000007FEF5CC0000-0x000007FEF665D000-memory.dmp
memory/2660-24-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2660-18-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2660-26-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2660-16-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2660-14-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2660-27-0x0000000000400000-0x0000000000438000-memory.dmp