Analysis Overview
SHA256
341efe957c47c866377854003f2bc59907ea2cebb98728121cc68f3b94e2c835
Threat Level: Known bad
The file 530792b4cfa0029b904ae5130fe1d265 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
2024-01-11 08:28
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2024-01-11 08:28
Reported
2024-01-11 08:30
Platform
win7-20231215-en
Max time kernel
119s
Max time network
122s
Command Line
Signatures
Oski
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1352 set thread context of 2808 | 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 | C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe |
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\530792b4cfa0029b904ae5130fe1d265.ps1
C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
"{path}"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2808 -s 112
Network
Files
memory/1352-4-0x000000001B100000-0x000000001B3E2000-memory.dmp
memory/1352-5-0x000007FEF5440000-0x000007FEF5DDD000-memory.dmp
memory/1352-7-0x00000000029B0000-0x0000000002A30000-memory.dmp
memory/1352-8-0x00000000029B0000-0x0000000002A30000-memory.dmp
memory/1352-9-0x00000000029B0000-0x0000000002A30000-memory.dmp
memory/1352-6-0x0000000002460000-0x0000000002468000-memory.dmp
memory/1352-10-0x000007FEF5440000-0x000007FEF5DDD000-memory.dmp
memory/1352-11-0x00000000029B0000-0x0000000002A30000-memory.dmp
memory/1352-12-0x00000000029A0000-0x00000000029AA000-memory.dmp
memory/2808-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2808-20-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2808-18-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2808-16-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2808-15-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2808-14-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2808-13-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2808-22-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1352-23-0x000007FEF5440000-0x000007FEF5DDD000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-01-11 08:28
Reported
2024-01-11 08:31
Platform
win10v2004-20231215-en
Max time kernel
150s
Max time network
150s
Command Line
Signatures
Oski
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4936 set thread context of 1816 | 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\530792b4cfa0029b904ae5130fe1d265.ps1
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"{path}"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1816 -ip 1816
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1816 -s 1244
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 21.53.126.40.in-addr.arpa | udp |
| VN | 103.114.107.28:80 | tcp | |
| US | 8.8.8.8:53 | 208.194.73.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 175.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| VN | 103.114.107.28:80 | tcp | |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.47.74.20.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 |
| VN | 103.114.107.28:80 | tcp | |
| US | 8.8.8.8:53 | 194.178.17.96.in-addr.arpa | udp |
| VN | 103.114.107.28:80 | tcp | |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| VN | 103.114.107.28:80 | tcp | |
| VN | 103.114.107.28:80 | tcp | |
| VN | 103.114.107.28:80 | tcp | |
| US | 8.8.8.8:53 | 15.173.189.20.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_xj1k0doy.ywi.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/4936-9-0x000002A17E4C0000-0x000002A17E4E2000-memory.dmp
memory/4936-10-0x00007FFA31440000-0x00007FFA31F01000-memory.dmp
memory/4936-11-0x000002A17DC10000-0x000002A17DC20000-memory.dmp
memory/4936-12-0x000002A17E4B0000-0x000002A17E4BA000-memory.dmp
memory/1816-13-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1816-16-0x0000000000400000-0x0000000000438000-memory.dmp
memory/4936-18-0x00007FFA31440000-0x00007FFA31F01000-memory.dmp
memory/1816-19-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1816-17-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1816-20-0x0000000000400000-0x0000000000438000-memory.dmp