Analysis Overview
SHA256
ef66e195b16d21be098863d08ef732915df47835b42b7641a7fc915f690b508e
Threat Level: Known bad
The file ef66e195b16d21be098863d08ef732915df47835b42b7641a7fc915f690b508eN was found to be: Known bad.
Malicious Activity Summary
Njrat family
njRAT/Bladabindi
Unsigned PE
System Location Discovery: System Language Discovery
Enumerates physical storage devices
Modifies registry class
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-10-04 15:58
Signatures
Njrat family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-10-04 15:58
Reported
2024-10-04 16:01
Platform
win7-20240903-en
Max time kernel
117s
Max time network
122s
Command Line
Signatures
njRAT/Bladabindi
Enumerates physical storage devices
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:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\ef66e195b16d21be098863d08ef732915df47835b42b7641a7fc915f690b508eN.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\_auto_file | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\_auto_file\ | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\_auto_file\shell\Read | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\_auto_file\shell | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\_auto_file\shell\Read\command | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\"" | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_Classes\Local Settings | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\ef66e195b16d21be098863d08ef732915df47835b42b7641a7fc915f690b508eN.exe
"C:\Users\Admin\AppData\Local\Temp\ef66e195b16d21be098863d08ef732915df47835b42b7641a7fc915f690b508eN.exe"
C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Roaming\NWA
C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Roaming\NWA"
Network
Files
memory/2232-0-0x0000000074F51000-0x0000000074F52000-memory.dmp
memory/2232-1-0x0000000074F50000-0x00000000754FB000-memory.dmp
memory/2232-2-0x0000000074F50000-0x00000000754FB000-memory.dmp
memory/2232-5-0x0000000074F50000-0x00000000754FB000-memory.dmp
C:\Users\Admin\AppData\Roaming\NWA
| MD5 | c57af69431740be4a691d5d749265c90 |
| SHA1 | 1dcf40896ee9a465a9408a58f2e8896fe55fa3ee |
| SHA256 | ef66e195b16d21be098863d08ef732915df47835b42b7641a7fc915f690b508e |
| SHA512 | d861c392677e6b044109093db58562cb5c73a8eefc52ed978cae927a64291c49aea7bbafe2b3afa6426d75c49172f1651fe639a04afe45daa07759612948cae8 |
C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents
| MD5 | 80b21b3cde468a62959430473e27cefa |
| SHA1 | 86ae76c611c16aa6f817c7ab1b385aa54bc41013 |
| SHA256 | 0e902c061323e717392730bbc81fe6f9cb80abcbec430af30d47dbc24835964d |
| SHA512 | bf861a703a6e3edba87e3deace2c518d62a0455ff4cbbb19ff4c92c6c73fae13c315b76e86c83b2fe760ea678385243cbd30dee085c174fefea7a47fe0b455f2 |
Analysis: behavioral2
Detonation Overview
Submitted
2024-10-04 15:58
Reported
2024-10-04 16:01
Platform
win10v2004-20240802-en
Max time kernel
96s
Max time network
126s
Command Line
Signatures
Enumerates physical storage devices
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\ef66e195b16d21be098863d08ef732915df47835b42b7641a7fc915f690b508eN.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000_Classes\Local Settings | C:\Users\Admin\AppData\Local\Temp\ef66e195b16d21be098863d08ef732915df47835b42b7641a7fc915f690b508eN.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000_Classes\Local Settings | C:\Windows\system32\OpenWith.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\OpenWith.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\ef66e195b16d21be098863d08ef732915df47835b42b7641a7fc915f690b508eN.exe
"C:\Users\Admin\AppData\Local\Temp\ef66e195b16d21be098863d08ef732915df47835b42b7641a7fc915f690b508eN.exe"
C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 101.209.201.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 197.87.175.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 27.117.19.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 66.209.201.84.in-addr.arpa | udp |
| US | 52.111.227.13:443 | tcp | |
| US | 8.8.8.8:53 | 100.209.201.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
Files
memory/3660-0-0x0000000074A82000-0x0000000074A83000-memory.dmp
memory/3660-1-0x0000000074A80000-0x0000000075031000-memory.dmp
memory/3660-2-0x0000000074A80000-0x0000000075031000-memory.dmp
memory/3660-6-0x0000000074A80000-0x0000000075031000-memory.dmp