Analysis Overview
SHA256
c74dd60489c92b69bd23792a9a2fc5bd963de6781993a66e9b519d6317c93df2
Threat Level: Known bad
The file f1a8247a688ebcb34d728f27ff8489dd 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 16:30
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2023-12-22 16:30
Reported
2023-12-22 22:19
Platform
win7-20231215-en
Max time kernel
118s
Max time network
119s
Command Line
Signatures
Oski
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2080 set thread context of 2852 | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
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 |
| 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\f1a8247a688ebcb34d728f27ff8489dd.ps1
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2852 -s 496
C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
"{path}"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
"{path}"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
"{path}"
Network
Files
memory/2080-4-0x000000001B5F0000-0x000000001B8D2000-memory.dmp
memory/2080-5-0x0000000002860000-0x0000000002868000-memory.dmp
memory/2080-6-0x000007FEF4850000-0x000007FEF51ED000-memory.dmp
memory/2080-7-0x0000000002B10000-0x0000000002B90000-memory.dmp
memory/2080-8-0x000007FEF4850000-0x000007FEF51ED000-memory.dmp
memory/2080-9-0x0000000002B10000-0x0000000002B90000-memory.dmp
memory/2080-11-0x0000000002B10000-0x0000000002B90000-memory.dmp
memory/2080-10-0x0000000002B10000-0x0000000002B90000-memory.dmp
memory/2080-12-0x0000000002A60000-0x0000000002A6A000-memory.dmp
memory/2852-24-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2852-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2852-21-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2852-28-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2080-27-0x000007FEF4850000-0x000007FEF51ED000-memory.dmp
memory/2852-26-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2852-19-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2852-17-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2852-15-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2852-13-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2852-30-0x0000000000400000-0x0000000000438000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-12-22 16:30
Reported
2023-12-22 22:21
Platform
win10v2004-20231215-en
Max time kernel
150s
Max time network
152s
Command Line
Signatures
Oski
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2780 set thread context of 3840 | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.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 |
| 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\f1a8247a688ebcb34d728f27ff8489dd.ps1
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"{path}"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"{path}"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"{path}"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3840 -ip 3840
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3840 -s 1108
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 2.136.104.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 147.177.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| NL | 52.142.223.178:80 | tcp | |
| US | 8.8.8.8:53 | 59.128.231.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.1.37.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 119.110.54.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 176.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 42.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 180.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.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 |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 174.178.17.96.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_5ku0wse2.bqc.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/2780-5-0x000001FB6D7B0000-0x000001FB6D7D2000-memory.dmp
memory/2780-10-0x00007FFB39C30000-0x00007FFB3A6F1000-memory.dmp
memory/2780-11-0x000001FB6D800000-0x000001FB6D810000-memory.dmp
memory/2780-12-0x000001FB6D800000-0x000001FB6D810000-memory.dmp
memory/2780-13-0x000001FB6D1D0000-0x000001FB6D1DA000-memory.dmp
memory/3840-14-0x0000000000400000-0x0000000000438000-memory.dmp
memory/3840-17-0x0000000000400000-0x0000000000438000-memory.dmp
memory/3840-19-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2780-18-0x00007FFB39C30000-0x00007FFB3A6F1000-memory.dmp
memory/3840-20-0x0000000000400000-0x0000000000438000-memory.dmp
memory/3840-23-0x0000000000400000-0x0000000000438000-memory.dmp