Analysis Overview
SHA256
382792848f3f8a490036822be4f4fdc0731a60163999a77243eb9332d53f7b00
Threat Level: Known bad
The file 7aa1d4597d658099f9c75c5ee7208f78 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 Matrix
Analysis: static1
Detonation Overview
Reported
2024-01-27 15:42
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2024-01-27 15:42
Reported
2024-01-27 15:44
Platform
win7-20231215-en
Max time kernel
122s
Max time network
125s
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 |
| 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\7aa1d4597d658099f9c75c5ee7208f78.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/1228-4-0x000000001B2F0000-0x000000001B5D2000-memory.dmp
memory/1228-5-0x0000000002410000-0x0000000002418000-memory.dmp
memory/1228-6-0x000007FEF5620000-0x000007FEF5FBD000-memory.dmp
memory/1228-7-0x0000000002850000-0x00000000028D0000-memory.dmp
memory/1228-8-0x000007FEF5620000-0x000007FEF5FBD000-memory.dmp
memory/1228-9-0x0000000002850000-0x00000000028D0000-memory.dmp
memory/1228-10-0x0000000002850000-0x00000000028D0000-memory.dmp
memory/1228-11-0x0000000002640000-0x0000000002652000-memory.dmp
memory/1228-12-0x000007FEF5620000-0x000007FEF5FBD000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-01-27 15:42
Reported
2024-01-27 15:44
Platform
win10v2004-20231215-en
Max time kernel
96s
Max time network
120s
Command Line
Signatures
Oski
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3960 set thread context of 3208 | 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 |
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\7aa1d4597d658099f9c75c5ee7208f78.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\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3208 -ip 3208
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3208 -s 1108
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| NL | 52.142.223.178:80 | tcp | |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 180.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 29.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.178.17.96.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_1sd2f4n5.xyy.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/3960-5-0x00000237EB4F0000-0x00000237EB512000-memory.dmp
memory/3960-10-0x00007FFC8D900000-0x00007FFC8E3C1000-memory.dmp
memory/3960-11-0x00000237EAE50000-0x00000237EAE60000-memory.dmp
memory/3960-12-0x00000237EAE50000-0x00000237EAE60000-memory.dmp
memory/3960-13-0x00000237EAE50000-0x00000237EAE60000-memory.dmp
memory/3960-14-0x00000237EB9D0000-0x00000237EB9E2000-memory.dmp
memory/3208-15-0x0000000000400000-0x0000000000438000-memory.dmp
memory/3960-18-0x00007FFC8D900000-0x00007FFC8E3C1000-memory.dmp
memory/3208-19-0x0000000000400000-0x0000000000438000-memory.dmp
memory/3208-20-0x0000000000400000-0x0000000000438000-memory.dmp
memory/3208-21-0x0000000000400000-0x0000000000438000-memory.dmp
memory/3208-24-0x0000000000400000-0x0000000000438000-memory.dmp