Analysis Overview
SHA256
75883ef3a7a7df97423835189c1703dc2271ec1623701599698252b9f2489613
Threat Level: Known bad
The file 387ca63a073cf45af288f89a3da3da8c 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
Analysis: static1
Detonation Overview
Reported
2023-12-22 00:34
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2023-12-22 00:34
Reported
2023-12-23 01:53
Platform
win7-20231215-en
Max time kernel
122s
Max time network
126s
Command Line
Signatures
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 |
Processes
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\387ca63a073cf45af288f89a3da3da8c.ps1
Network
Files
memory/1936-4-0x000000001B1D0000-0x000000001B4B2000-memory.dmp
memory/1936-5-0x0000000002490000-0x0000000002498000-memory.dmp
memory/1936-6-0x000007FEF5260000-0x000007FEF5BFD000-memory.dmp
memory/1936-7-0x0000000002600000-0x0000000002680000-memory.dmp
memory/1936-8-0x000007FEF5260000-0x000007FEF5BFD000-memory.dmp
memory/1936-9-0x0000000002600000-0x0000000002680000-memory.dmp
memory/1936-10-0x0000000002600000-0x0000000002680000-memory.dmp
memory/1936-11-0x000007FEF5260000-0x000007FEF5BFD000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-12-22 00:34
Reported
2023-12-23 01:53
Platform
win10v2004-20231222-en
Max time kernel
90s
Max time network
126s
Command Line
Signatures
Oski
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2140 set thread context of 2364 | 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\387ca63a073cf45af288f89a3da3da8c.ps1
C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
#cmd
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2364 -ip 2364
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2364 -s 1044
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 84.177.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ltcqcvw4.5v1.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/2140-9-0x000001C0A25A0000-0x000001C0A25C2000-memory.dmp
memory/2140-10-0x00007FFFE9630000-0x00007FFFEA0F1000-memory.dmp
memory/2140-12-0x000001C089D60000-0x000001C089D70000-memory.dmp
memory/2140-11-0x000001C089D60000-0x000001C089D70000-memory.dmp
memory/2140-13-0x000001C0A27D0000-0x000001C0A27F6000-memory.dmp
memory/2140-15-0x000001C0A27D0000-0x000001C0A27F0000-memory.dmp
memory/2140-53-0x000001C0A27D0000-0x000001C0A27F0000-memory.dmp
memory/2364-55-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2364-59-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2364-61-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2140-60-0x00007FFFE9630000-0x00007FFFEA0F1000-memory.dmp
memory/2364-58-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2140-56-0x000001C089D60000-0x000001C089D70000-memory.dmp
memory/2140-54-0x000001C0A27F0000-0x000001C0A27F1000-memory.dmp
memory/2140-51-0x000001C0A27D0000-0x000001C0A27F0000-memory.dmp
memory/2140-49-0x000001C0A27D0000-0x000001C0A27F0000-memory.dmp
memory/2140-47-0x000001C0A27D0000-0x000001C0A27F0000-memory.dmp
memory/2140-45-0x000001C0A27D0000-0x000001C0A27F0000-memory.dmp
memory/2140-43-0x000001C0A27D0000-0x000001C0A27F0000-memory.dmp
memory/2140-41-0x000001C0A27D0000-0x000001C0A27F0000-memory.dmp
memory/2140-39-0x000001C0A27D0000-0x000001C0A27F0000-memory.dmp
memory/2140-37-0x000001C0A27D0000-0x000001C0A27F0000-memory.dmp
memory/2140-35-0x000001C0A27D0000-0x000001C0A27F0000-memory.dmp
memory/2140-33-0x000001C0A27D0000-0x000001C0A27F0000-memory.dmp
memory/2140-31-0x000001C0A27D0000-0x000001C0A27F0000-memory.dmp
memory/2140-29-0x000001C0A27D0000-0x000001C0A27F0000-memory.dmp
memory/2140-27-0x000001C0A27D0000-0x000001C0A27F0000-memory.dmp
memory/2140-25-0x000001C0A27D0000-0x000001C0A27F0000-memory.dmp
memory/2140-23-0x000001C0A27D0000-0x000001C0A27F0000-memory.dmp
memory/2140-21-0x000001C0A27D0000-0x000001C0A27F0000-memory.dmp
memory/2140-19-0x000001C0A27D0000-0x000001C0A27F0000-memory.dmp
memory/2364-64-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2140-17-0x000001C0A27D0000-0x000001C0A27F0000-memory.dmp
memory/2140-14-0x000001C0A27D0000-0x000001C0A27F0000-memory.dmp