Analysis Overview
SHA256
4bdbf8c72c59d5d804c4f3e128f1326a00c7df5822d341988737f5b74ccfefa2
Threat Level: Known bad
The file App_Installer.exe was found to be: Known bad.
Malicious Activity Summary
Rhadamanthys
Suspicious use of NtCreateUserProcessOtherParentProcess
Legitimate hosting services abused for malware hosting/C2
Drops file in System32 directory
Suspicious use of SetThreadContext
Unsigned PE
Program crash
System Location Discovery: System Language Discovery
Suspicious use of WriteProcessMemory
Suspicious use of FindShellTrayWindow
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-09-26 22:23
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-09-26 22:23
Reported
2024-09-26 22:25
Platform
win7-20240903-en
Max time kernel
38s
Max time network
22s
Command Line
Signatures
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\NOTEPAD.EXE | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\App_Installer.exe
"C:\Users\Admin\AppData\Local\Temp\App_Installer.exe"
C:\Windows\system32\NOTEPAD.EXE
"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\ur a fucking loser faggot.txt
Network
Files
Analysis: behavioral2
Detonation Overview
Submitted
2024-09-26 22:23
Reported
2024-09-26 22:25
Platform
win10v2004-20240802-en
Max time kernel
63s
Max time network
67s
Command Line
Signatures
Rhadamanthys
Suspicious use of NtCreateUserProcessOtherParentProcess
| Description | Indicator | Process | Target |
| PID 4648 created 2968 | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe | C:\Windows\system32\sihost.exe |
Legitimate hosting services abused for malware hosting/C2
| Description | Indicator | Process | Target |
| N/A | bitbucket.org | N/A | N/A |
| N/A | bitbucket.org | N/A | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\temp.000 | C:\Users\Admin\AppData\Local\Temp\App_Installer.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\shell32.dll | C:\Users\Admin\AppData\Local\Temp\App_Installer.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2836 set thread context of 4648 | N/A | C:\Users\Admin\AppData\Local\Temp\App_Installer.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\App_Installer.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\openwith.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\openwith.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\openwith.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\openwith.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\openwith.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\sihost.exe
sihost.exe
C:\Users\Admin\AppData\Local\Temp\App_Installer.exe
"C:\Users\Admin\AppData\Local\Temp\App_Installer.exe"
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=1028,i,12470628711992022444,7767535593390851522,262144 --variations-seed-version --mojo-platform-channel-handle=4080 /prefetch:8
C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
C:\Windows\SysWOW64\openwith.exe
"C:\Windows\system32\openwith.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4648 -ip 4648
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4648 -s 432
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 4648 -ip 4648
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4648 -s 464
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 | bitbucket.org | udp |
| IE | 185.166.142.21:443 | bitbucket.org | tcp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 98.209.201.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.142.166.185.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 71.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
Files
memory/4648-6-0x0000000000400000-0x000000000047E000-memory.dmp
memory/4648-7-0x0000000000400000-0x000000000047E000-memory.dmp
memory/4648-8-0x0000000000400000-0x000000000047E000-memory.dmp
memory/4648-9-0x0000000000400000-0x000000000047E000-memory.dmp
memory/4648-11-0x0000000003AE0000-0x0000000003EE0000-memory.dmp
memory/4648-10-0x0000000003AE0000-0x0000000003EE0000-memory.dmp
memory/4648-12-0x0000000003AE0000-0x0000000003EE0000-memory.dmp
memory/4648-14-0x0000000003AE0000-0x0000000003EE0000-memory.dmp
memory/4648-13-0x00007FFEB4890000-0x00007FFEB4A85000-memory.dmp
memory/4648-16-0x0000000075A50000-0x0000000075C65000-memory.dmp
memory/2420-17-0x0000000000B60000-0x0000000000B69000-memory.dmp
memory/2420-20-0x00007FFEB4890000-0x00007FFEB4A85000-memory.dmp
memory/2420-19-0x00000000029C0000-0x0000000002DC0000-memory.dmp
memory/2420-22-0x0000000075A50000-0x0000000075C65000-memory.dmp
memory/4648-23-0x0000000003AE0000-0x0000000003EE0000-memory.dmp