Analysis Overview
SHA256
572c0ed2674a63ce3e58d42a019cdaca9cce57398636a07432da48f4920421c7
Threat Level: Known bad
The file 691bcebe74dfe8204bb6eb1ca4f37f6b 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 04:52
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2023-12-22 04:52
Reported
2023-12-23 09:16
Platform
win7-20231129-en
Max time kernel
120s
Max time network
121s
Command Line
Signatures
Oski
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2220 set thread context of 2600 | 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 |
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\691bcebe74dfe8204bb6eb1ca4f37f6b.ps1
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2600 -s 504
C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
"{path}"
Network
Files
memory/2220-5-0x0000000001EB0000-0x0000000001EB8000-memory.dmp
memory/2220-4-0x000000001B750000-0x000000001BA32000-memory.dmp
memory/2220-7-0x0000000002AB0000-0x0000000002B30000-memory.dmp
memory/2220-6-0x000007FEF52A0000-0x000007FEF5C3D000-memory.dmp
memory/2220-8-0x000007FEF52A0000-0x000007FEF5C3D000-memory.dmp
memory/2220-9-0x0000000002AB0000-0x0000000002B30000-memory.dmp
memory/2220-10-0x0000000002AB0000-0x0000000002B30000-memory.dmp
memory/2600-23-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2220-26-0x000007FEF52A0000-0x000007FEF5C3D000-memory.dmp
memory/2600-25-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2600-27-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2600-22-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2600-20-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2600-18-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2600-16-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2600-14-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2600-12-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2220-11-0x00000000020C0000-0x00000000020CA000-memory.dmp
memory/2600-29-0x0000000000400000-0x0000000000438000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-12-22 04:52
Reported
2023-12-23 09:16
Platform
win10v2004-20231222-en
Max time kernel
145s
Max time network
147s
Command Line
Signatures
Oski
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4812 set thread context of 32 | 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\691bcebe74dfe8204bb6eb1ca4f37f6b.ps1
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"{path}"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 32 -ip 32
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 32 -s 1104
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 149.177.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.204.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 204.201.50.20.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_joc5rxxm.pva.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/4812-5-0x0000027D63490000-0x0000027D634B2000-memory.dmp
memory/4812-10-0x00007FF86CBF0000-0x00007FF86D6B1000-memory.dmp
memory/4812-11-0x0000027D63530000-0x0000027D63540000-memory.dmp
memory/4812-12-0x0000027D63530000-0x0000027D63540000-memory.dmp
memory/4812-13-0x0000027D63480000-0x0000027D6348A000-memory.dmp
memory/32-14-0x0000000000400000-0x0000000000438000-memory.dmp
memory/32-16-0x0000000000400000-0x0000000000438000-memory.dmp
memory/4812-18-0x00007FF86CBF0000-0x00007FF86D6B1000-memory.dmp
memory/32-17-0x0000000000400000-0x0000000000438000-memory.dmp
memory/32-19-0x0000000000400000-0x0000000000438000-memory.dmp
memory/32-22-0x0000000000400000-0x0000000000438000-memory.dmp