Analysis Overview
SHA256
7e349519630ee5375d6dd2671aa8137fd91cd03b05c453450ce66e13f84e3419
Threat Level: Known bad
The file da3ef6613f3b3a7ae9d7b7583c8f71d4 was found to be: Known bad.
Malicious Activity Summary
Rhadamanthys
Suspicious use of NtCreateUserProcessOtherParentProcess
Adds Run key to start application
Suspicious use of NtCreateThreadExHideFromDebugger
System Location Discovery: System Language Discovery
Unsigned PE
Program crash
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-09-17 03:50
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-09-17 03:50
Reported
2024-09-17 03:52
Platform
win7-20240903-en
Max time kernel
117s
Max time network
119s
Command Line
Signatures
Rhadamanthys
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\*ChromeUpdate = "rundll32.exe C:\\Users\\Admin\\Documents\\FirefoxData.dll,EntryPoint" | C:\Windows\SysWOW64\reg.exe | N/A |
Suspicious use of NtCreateThreadExHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\rundll32.exe |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\cmd.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\reg.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\da3ef6613f3b3a7ae9d7b7583c8f71d4.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\da3ef6613f3b3a7ae9d7b7583c8f71d4.dll,#1
C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\SysWOW64\rundll32.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2528 -s 196
C:\Windows\SysWOW64\cmd.exe
cmd.exe /C reg add "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "*ChromeUpdate" /t REG_SZ /d "rundll32.exe C:\Users\Admin\Documents\FirefoxData.dll",EntryPoint /f & exit
C:\Windows\SysWOW64\reg.exe
reg add "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "*ChromeUpdate" /t REG_SZ /d "rundll32.exe C:\Users\Admin\Documents\FirefoxData.dll",EntryPoint /f
Network
Files
memory/2076-1-0x000000001000C000-0x0000000010025000-memory.dmp
memory/2076-0-0x0000000010000000-0x0000000010636000-memory.dmp
memory/2076-2-0x0000000010000000-0x0000000010636000-memory.dmp
memory/2528-13-0x0000000000110000-0x000000000018E000-memory.dmp
memory/2528-14-0x0000000000110000-0x000000000018E000-memory.dmp
memory/2528-16-0x0000000000110000-0x000000000018E000-memory.dmp
memory/2076-12-0x0000000010000000-0x0000000010636000-memory.dmp
memory/2076-17-0x0000000010000000-0x0000000010636000-memory.dmp
memory/2076-10-0x0000000010000000-0x0000000010636000-memory.dmp
memory/2528-8-0x0000000000190000-0x0000000000191000-memory.dmp
memory/2528-7-0x0000000000190000-0x0000000000191000-memory.dmp
memory/2528-5-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2528-3-0x0000000000110000-0x000000000018E000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-09-17 03:50
Reported
2024-09-17 03:52
Platform
win10v2004-20240802-en
Max time kernel
96s
Max time network
134s
Command Line
Signatures
Rhadamanthys
Suspicious use of NtCreateUserProcessOtherParentProcess
| Description | Indicator | Process | Target |
| PID 3968 created 2452 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\system32\sihost.exe |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\*ChromeUpdate = "rundll32.exe C:\\Users\\Admin\\Documents\\FirefoxData.dll,EntryPoint" | C:\Windows\SysWOW64\reg.exe | N/A |
Suspicious use of NtCreateThreadExHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\rundll32.exe |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\rundll32.exe |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\reg.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\openwith.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\cmd.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.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 WriteProcessMemory
Processes
C:\Windows\system32\sihost.exe
sihost.exe
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\da3ef6613f3b3a7ae9d7b7583c8f71d4.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\da3ef6613f3b3a7ae9d7b7583c8f71d4.dll,#1
C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\SysWOW64\rundll32.exe"
C:\Windows\SysWOW64\cmd.exe
cmd.exe /C reg add "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "*ChromeUpdate" /t REG_SZ /d "rundll32.exe C:\Users\Admin\Documents\FirefoxData.dll",EntryPoint /f & exit
C:\Windows\SysWOW64\reg.exe
reg add "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "*ChromeUpdate" /t REG_SZ /d "rundll32.exe C:\Users\Admin\Documents\FirefoxData.dll",EntryPoint /f
C:\Windows\SysWOW64\openwith.exe
"C:\Windows\system32\openwith.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3968 -ip 3968
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3968 -s 592
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 3968 -ip 3968
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3968 -s 588
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 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 71.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.236.111.52.in-addr.arpa | udp |
Files
memory/1712-1-0x000000001000C000-0x0000000010025000-memory.dmp
memory/1712-0-0x0000000010000000-0x0000000010636000-memory.dmp
memory/1712-3-0x0000000010000000-0x0000000010636000-memory.dmp
memory/3968-4-0x0000000000950000-0x0000000000951000-memory.dmp
memory/1712-8-0x0000000010000000-0x0000000010636000-memory.dmp
memory/3968-10-0x00000000008D0000-0x000000000094E000-memory.dmp
memory/3968-9-0x00000000008D0000-0x000000000094E000-memory.dmp
memory/1712-7-0x0000000010000000-0x0000000010636000-memory.dmp
memory/1712-6-0x0000000010000000-0x0000000010636000-memory.dmp
memory/1712-2-0x0000000010000000-0x0000000010636000-memory.dmp
memory/3968-11-0x00000000008D0000-0x000000000094E000-memory.dmp
memory/1712-12-0x00000000105D2000-0x00000000105D9000-memory.dmp
memory/1712-13-0x000000001000C000-0x0000000010025000-memory.dmp
memory/3968-14-0x00000000039C0000-0x0000000003DC0000-memory.dmp
memory/3968-15-0x00000000039C0000-0x0000000003DC0000-memory.dmp
memory/3968-16-0x00000000039C0000-0x0000000003DC0000-memory.dmp
memory/3968-20-0x00000000039C0000-0x0000000003DC0000-memory.dmp
memory/3968-19-0x00000000763A0000-0x00000000765B5000-memory.dmp
memory/3968-17-0x00007FFBE4C90000-0x00007FFBE4E85000-memory.dmp
memory/5048-21-0x00000000004E0000-0x00000000004E9000-memory.dmp
memory/5048-24-0x00000000020F0000-0x00000000024F0000-memory.dmp
memory/5048-23-0x00000000020F0000-0x00000000024F0000-memory.dmp
memory/5048-25-0x00007FFBE4C90000-0x00007FFBE4E85000-memory.dmp
memory/5048-28-0x00000000763A0000-0x00000000765B5000-memory.dmp
memory/5048-27-0x00000000020F0000-0x00000000024F0000-memory.dmp
memory/5048-29-0x00000000020F0000-0x00000000024F0000-memory.dmp
memory/3968-31-0x00000000039C0000-0x0000000003DC0000-memory.dmp