Analysis Overview
SHA256
e50457d38e4cd7424a17fa563b9a40c1db3d81a4ad29ffda9a50dad7327ade58
Threat Level: Known bad
The file 678fe2eeaa5398e8366ede0ba83216f7 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
2024-01-19 11:56
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2024-01-19 11:56
Reported
2024-01-19 11:58
Platform
win7-20231215-en
Max time kernel
119s
Max time network
123s
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\678fe2eeaa5398e8366ede0ba83216f7.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/2220-4-0x000000001B230000-0x000000001B512000-memory.dmp
memory/2220-6-0x000007FEF5AE0000-0x000007FEF647D000-memory.dmp
memory/2220-7-0x0000000002670000-0x00000000026F0000-memory.dmp
memory/2220-8-0x0000000002670000-0x00000000026F0000-memory.dmp
memory/2220-9-0x0000000002670000-0x00000000026F0000-memory.dmp
memory/2220-5-0x0000000001ED0000-0x0000000001ED8000-memory.dmp
memory/2220-10-0x000007FEF5AE0000-0x000007FEF647D000-memory.dmp
memory/2220-11-0x0000000002670000-0x00000000026F0000-memory.dmp
memory/2220-12-0x0000000002340000-0x0000000002352000-memory.dmp
memory/2220-13-0x000007FEF5AE0000-0x000007FEF647D000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-01-19 11:56
Reported
2024-01-19 11:58
Platform
win10v2004-20231215-en
Max time kernel
149s
Max time network
146s
Command Line
Signatures
Oski
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1036 set thread context of 4904 | 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\678fe2eeaa5398e8366ede0ba83216f7.ps1
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
#cmd
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4904 -ip 4904
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4904 -s 1224
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| VN | 103.114.107.28:80 | tcp | |
| US | 8.8.8.8:53 | 136.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 138.91.171.81:80 | tcp | |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| VN | 103.114.107.28:80 | tcp | |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| VN | 103.114.107.28:80 | tcp | |
| US | 8.8.8.8:53 | 187.178.17.96.in-addr.arpa | udp |
| VN | 103.114.107.28:80 | tcp | |
| VN | 103.114.107.28:80 | tcp | |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 173.178.17.96.in-addr.arpa | udp |
| VN | 103.114.107.28:80 | tcp | |
| VN | 103.114.107.28:80 | tcp |
Files
memory/1036-9-0x00000286F79C0000-0x00000286F79E2000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_cgucfihw.0z3.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/1036-10-0x00007FFF92DA0000-0x00007FFF93861000-memory.dmp
memory/1036-11-0x00000286F79F0000-0x00000286F7A00000-memory.dmp
memory/1036-12-0x00000286F79F0000-0x00000286F7A00000-memory.dmp
memory/1036-13-0x00000286F9DE0000-0x00000286F9DF2000-memory.dmp
memory/4904-14-0x0000000000400000-0x0000000000438000-memory.dmp
memory/4904-17-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1036-18-0x00007FFF92DA0000-0x00007FFF93861000-memory.dmp
memory/4904-19-0x0000000000400000-0x0000000000438000-memory.dmp
memory/4904-20-0x0000000000400000-0x0000000000438000-memory.dmp
memory/4904-21-0x0000000000400000-0x0000000000438000-memory.dmp
memory/4904-24-0x0000000000400000-0x0000000000438000-memory.dmp