Analysis Overview
SHA256
880f872a96df84217bcca8eb543de65abe9a506cc2df99ee44de801fec9c8b9a
Threat Level: Known bad
The file c707720b420b128bb25bedfe7b474e1e 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 14:35
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2023-12-22 14:35
Reported
2023-12-22 18:23
Platform
win7-20231215-en
Max time kernel
120s
Max time network
127s
Command Line
Signatures
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\c707720b420b128bb25bedfe7b474e1e.ps1
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
#cmd
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
#cmd
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
#cmd
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
#cmd
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
#cmd
Network
Files
memory/1924-5-0x000007FEF5B50000-0x000007FEF64ED000-memory.dmp
memory/1924-4-0x000000001B320000-0x000000001B602000-memory.dmp
memory/1924-6-0x00000000025C0000-0x0000000002640000-memory.dmp
memory/1924-8-0x0000000002570000-0x0000000002578000-memory.dmp
memory/1924-9-0x00000000025C0000-0x0000000002640000-memory.dmp
memory/1924-7-0x00000000025C0000-0x0000000002640000-memory.dmp
memory/1924-10-0x000007FEF5B50000-0x000007FEF64ED000-memory.dmp
memory/1924-11-0x00000000025C0000-0x0000000002640000-memory.dmp
memory/1924-12-0x0000000002980000-0x0000000002992000-memory.dmp
memory/1924-13-0x000007FEF5B50000-0x000007FEF64ED000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-12-22 14:35
Reported
2023-12-22 18:24
Platform
win10v2004-20231215-en
Max time kernel
140s
Max time network
124s
Command Line
Signatures
Oski
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 668 set thread context of 3516 | 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 |
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\c707720b420b128bb25bedfe7b474e1e.ps1
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
#cmd
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 3516 -ip 3516
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3516 -s 1056
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 148.177.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 180.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 195.233.44.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 16.234.44.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.178.17.96.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 |
Files
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ukvrzzyh.tmo.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/668-0-0x0000024CB6240000-0x0000024CB6262000-memory.dmp
memory/668-10-0x00007FF86C3B0000-0x00007FF86CE71000-memory.dmp
memory/668-11-0x0000024C9D340000-0x0000024C9D350000-memory.dmp
memory/668-12-0x0000024C9D340000-0x0000024C9D350000-memory.dmp
memory/668-13-0x0000024C9D380000-0x0000024C9D392000-memory.dmp
memory/3516-14-0x0000000000400000-0x0000000000438000-memory.dmp
memory/3516-17-0x0000000000400000-0x0000000000438000-memory.dmp
memory/668-18-0x00007FF86C3B0000-0x00007FF86CE71000-memory.dmp
memory/3516-19-0x0000000000400000-0x0000000000438000-memory.dmp
memory/3516-20-0x0000000000400000-0x0000000000438000-memory.dmp
memory/3516-23-0x0000000000400000-0x0000000000438000-memory.dmp