Analysis Overview
SHA256
9bb9ebda548a1b5411f95a24e4f2b27705473e91033ae6cb158c19eb2cca5908
Threat Level: Known bad
The file 4c8015bbc773e46fdbd2ed3785d7bb57.bin was found to be: Known bad.
Malicious Activity Summary
Oski
Suspicious use of SetThreadContext
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK Matrix
Analysis: static1
Detonation Overview
Reported
2024-01-10 01:43
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2024-01-10 01:43
Reported
2024-01-10 01:47
Platform
win7-20231215-en
Max time kernel
193s
Max time network
233s
Command Line
Signatures
Oski
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2564 set thread context of 1744 | 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\4c8015bbc773e46fdbd2ed3785d7bb57.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 |
Files
memory/2564-4-0x000000001B250000-0x000000001B532000-memory.dmp
memory/2564-5-0x000007FEF5490000-0x000007FEF5E2D000-memory.dmp
memory/2564-6-0x0000000002860000-0x00000000028E0000-memory.dmp
memory/2564-7-0x0000000002860000-0x00000000028E0000-memory.dmp
memory/2564-8-0x0000000002860000-0x00000000028E0000-memory.dmp
memory/2564-9-0x000007FEF5490000-0x000007FEF5E2D000-memory.dmp
memory/2564-10-0x0000000001EE0000-0x0000000001EE8000-memory.dmp
memory/2564-11-0x0000000002860000-0x00000000028E0000-memory.dmp
memory/2564-13-0x0000000002780000-0x0000000002792000-memory.dmp
memory/2564-14-0x000007FEF5490000-0x000007FEF5E2D000-memory.dmp
memory/2564-15-0x0000000002860000-0x00000000028E0000-memory.dmp
memory/2564-16-0x0000000002860000-0x00000000028E0000-memory.dmp
memory/2564-17-0x0000000002860000-0x00000000028E0000-memory.dmp
memory/2564-18-0x000007FEF5490000-0x000007FEF5E2D000-memory.dmp
memory/1744-23-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1744-25-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1744-27-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1744-21-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1744-19-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1744-29-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/1744-30-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2564-33-0x000007FEF5490000-0x000007FEF5E2D000-memory.dmp
memory/1744-32-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1744-34-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1744-35-0x0000000000400000-0x0000000000438000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-01-10 01:43
Reported
2024-01-10 01:46
Platform
win10v2004-20231215-en
Max time kernel
149s
Max time network
149s
Command Line
Signatures
Oski
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4084 set thread context of 4540 | 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 |
| 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
C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
#Powershell
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 0.181.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| VN | 103.99.1.60:80 | tcp | |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 59.128.231.4.in-addr.arpa | udp |
| VN | 103.99.1.60:80 | tcp | |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 137.71.91.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 146.78.124.51.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 | 48.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.171.91.138.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 | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| VN | 103.99.1.60:80 | tcp | |
| VN | 103.99.1.60:80 | tcp |
Files
memory/4084-5-0x00000299DBF90000-0x00000299DBFB2000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_mqucpgri.1vz.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/4084-10-0x00007FFEC3D10000-0x00007FFEC47D1000-memory.dmp
memory/4084-11-0x00000299F4530000-0x00000299F4540000-memory.dmp
memory/4084-12-0x00000299F4530000-0x00000299F4540000-memory.dmp
memory/4084-13-0x00000299F44B0000-0x00000299F44C2000-memory.dmp
memory/4540-15-0x0000000000400000-0x0000000000438000-memory.dmp
memory/4084-19-0x00007FFEC3D10000-0x00007FFEC47D1000-memory.dmp
memory/4540-20-0x0000000000400000-0x0000000000438000-memory.dmp
memory/4540-18-0x0000000000400000-0x0000000000438000-memory.dmp
memory/4540-14-0x0000000000400000-0x0000000000438000-memory.dmp
memory/4540-21-0x0000000000400000-0x0000000000438000-memory.dmp