Analysis Overview
SHA256
d628e7a54d5069605f2e2b3226818d2f3343973b87e1e4a15943c9792e7f1d97
Threat Level: Known bad
The file a88675b6bd37faff8ac76d0b3dd15cca was found to be: Known bad.
Malicious Activity Summary
njRAT/Bladabindi
Njrat family
Drops startup file
Executes dropped EXE
Loads dropped DLL
Checks computer location settings
Adds Run key to start application
Unsigned PE
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Views/modifies file attributes
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-02-27 07:02
Signatures
Njrat family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-02-27 07:02
Reported
2024-02-27 07:04
Platform
win7-20240221-en
Max time kernel
149s
Max time network
120s
Command Line
Signatures
njRAT/Bladabindi
Drops startup file
| Description | Indicator | Process | Target |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.exe | C:\Windows\SysWOW64\attrib.exe | N/A |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.lnk | C:\Users\Admin\AppData\Local\Temp\a88675b6bd37faff8ac76d0b3dd15cca.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.lnk | C:\ProgramData\Payload.exe | N/A |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.exe | C:\ProgramData\Payload.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.exe | C:\ProgramData\Payload.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\Payload.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a88675b6bd37faff8ac76d0b3dd15cca.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows2 = "C:\\ProgramData\\Payload.exe" | C:\Users\Admin\AppData\Local\Temp\a88675b6bd37faff8ac76d0b3dd15cca.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows2 = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\Windows.URL" | C:\ProgramData\Payload.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows2 = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\Windows.URL" | C:\ProgramData\Payload.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\Windows.URL" | C:\ProgramData\Payload.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\Windows.URL" | C:\ProgramData\Payload.exe | N/A |
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\ProgramData\Payload.exe | N/A |
| Token: 33 | N/A | C:\ProgramData\Payload.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\ProgramData\Payload.exe | N/A |
| Token: 33 | N/A | C:\ProgramData\Payload.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\ProgramData\Payload.exe | N/A |
| Token: 33 | N/A | C:\ProgramData\Payload.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\ProgramData\Payload.exe | N/A |
| Token: 33 | N/A | C:\ProgramData\Payload.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\ProgramData\Payload.exe | N/A |
| Token: 33 | N/A | C:\ProgramData\Payload.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\ProgramData\Payload.exe | N/A |
| Token: 33 | N/A | C:\ProgramData\Payload.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\ProgramData\Payload.exe | N/A |
| Token: 33 | N/A | C:\ProgramData\Payload.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\ProgramData\Payload.exe | N/A |
| Token: 33 | N/A | C:\ProgramData\Payload.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\ProgramData\Payload.exe | N/A |
| Token: 33 | N/A | C:\ProgramData\Payload.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\ProgramData\Payload.exe | N/A |
| Token: 33 | N/A | C:\ProgramData\Payload.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\ProgramData\Payload.exe | N/A |
| Token: 33 | N/A | C:\ProgramData\Payload.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\ProgramData\Payload.exe | N/A |
| Token: 33 | N/A | C:\ProgramData\Payload.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\ProgramData\Payload.exe | N/A |
| Token: 33 | N/A | C:\ProgramData\Payload.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\ProgramData\Payload.exe | N/A |
| Token: 33 | N/A | C:\ProgramData\Payload.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\ProgramData\Payload.exe | N/A |
| Token: 33 | N/A | C:\ProgramData\Payload.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\ProgramData\Payload.exe | N/A |
| Token: 33 | N/A | C:\ProgramData\Payload.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\ProgramData\Payload.exe | N/A |
Suspicious use of WriteProcessMemory
Views/modifies file attributes
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\attrib.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\attrib.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\attrib.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\a88675b6bd37faff8ac76d0b3dd15cca.exe
"C:\Users\Admin\AppData\Local\Temp\a88675b6bd37faff8ac76d0b3dd15cca.exe"
C:\ProgramData\Payload.exe
"C:\ProgramData\Payload.exe"
C:\Windows\SysWOW64\attrib.exe
attrib +h +r +s "C:\ProgramData\Payload.exe"
C:\Windows\SysWOW64\attrib.exe
attrib +h +r +s "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.exe"
C:\Windows\SysWOW64\attrib.exe
attrib +h +r +s "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Windows.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | sific227asmm.ddns.net | udp |
Files
memory/2412-0-0x0000000074980000-0x0000000074F2B000-memory.dmp
memory/2412-2-0x0000000000B80000-0x0000000000BC0000-memory.dmp
memory/2412-1-0x0000000074980000-0x0000000074F2B000-memory.dmp
\ProgramData\Payload.exe
| MD5 | a88675b6bd37faff8ac76d0b3dd15cca |
| SHA1 | acca891f9da218eaee8cc79ad22909efba3575a6 |
| SHA256 | d628e7a54d5069605f2e2b3226818d2f3343973b87e1e4a15943c9792e7f1d97 |
| SHA512 | c671cadd2e649a4ee46f4020134b7129818582c1baf8253b70a29214e85da03710d59761a641339697152adad0e23aea5e5cdd42f59c91fe7f94c153783c2dd9 |
memory/2600-14-0x0000000001E50000-0x0000000001E90000-memory.dmp
memory/2412-13-0x0000000074980000-0x0000000074F2B000-memory.dmp
memory/2600-12-0x0000000074980000-0x0000000074F2B000-memory.dmp
memory/2600-15-0x0000000074980000-0x0000000074F2B000-memory.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.lnk
| MD5 | 28a46695f1905743a1cc6e916e6d4e88 |
| SHA1 | e9ddca1369de455678683e5169277f9367a6ada3 |
| SHA256 | 402e4fd00f1d041f56948583b4ba0dd7480b39475b73bb36c5f2a45627fd6ff8 |
| SHA512 | bc63d606d284239d698978173e1853dc6026359b864d392cad41b6146f827be4945af08c6805dc91430ed1a278bd4bfaad6e80d6ffe25c8be57a9ef48859e1b0 |
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Windows.lnk
| MD5 | 81ab3cf8764229b4223307abb641f36d |
| SHA1 | c691b457462eb7c64b9785080b65c8bf83e4e812 |
| SHA256 | 1358ee811f779e1e348a30b105e2e3c30bb24eba43b0b60e53e6e404310f7f8a |
| SHA512 | 2475aaa3d57ff6536d7dd84bd564147172138cff984bef610855e25601b2264ecd9e0911530d3aeb1f876635d21abb92909a4714bf8bb7c34350ce0d255bfa26 |
memory/2600-22-0x0000000074980000-0x0000000074F2B000-memory.dmp
memory/2600-23-0x0000000074980000-0x0000000074F2B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-02-27 07:02
Reported
2024-02-27 07:04
Platform
win10v2004-20240226-en
Max time kernel
149s
Max time network
148s
Command Line
Signatures
njRAT/Bladabindi
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\a88675b6bd37faff8ac76d0b3dd15cca.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.exe | C:\ProgramData\Payload.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.exe | C:\ProgramData\Payload.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.exe | C:\Windows\SysWOW64\attrib.exe | N/A |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.lnk | C:\Users\Admin\AppData\Local\Temp\a88675b6bd37faff8ac76d0b3dd15cca.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.lnk | C:\ProgramData\Payload.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\Payload.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows2 = "C:\\ProgramData\\Payload.exe" | C:\Users\Admin\AppData\Local\Temp\a88675b6bd37faff8ac76d0b3dd15cca.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows2 = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\Windows.URL" | C:\ProgramData\Payload.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows2 = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\Windows.URL" | C:\ProgramData\Payload.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\Windows.URL" | C:\ProgramData\Payload.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\Windows.URL" | C:\ProgramData\Payload.exe | N/A |
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\ProgramData\Payload.exe | N/A |
| Token: 33 | N/A | C:\ProgramData\Payload.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\ProgramData\Payload.exe | N/A |
| Token: 33 | N/A | C:\ProgramData\Payload.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\ProgramData\Payload.exe | N/A |
| Token: 33 | N/A | C:\ProgramData\Payload.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\ProgramData\Payload.exe | N/A |
| Token: 33 | N/A | C:\ProgramData\Payload.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\ProgramData\Payload.exe | N/A |
| Token: 33 | N/A | C:\ProgramData\Payload.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\ProgramData\Payload.exe | N/A |
| Token: 33 | N/A | C:\ProgramData\Payload.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\ProgramData\Payload.exe | N/A |
| Token: 33 | N/A | C:\ProgramData\Payload.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\ProgramData\Payload.exe | N/A |
| Token: 33 | N/A | C:\ProgramData\Payload.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\ProgramData\Payload.exe | N/A |
| Token: 33 | N/A | C:\ProgramData\Payload.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\ProgramData\Payload.exe | N/A |
| Token: 33 | N/A | C:\ProgramData\Payload.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\ProgramData\Payload.exe | N/A |
| Token: 33 | N/A | C:\ProgramData\Payload.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\ProgramData\Payload.exe | N/A |
| Token: 33 | N/A | C:\ProgramData\Payload.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\ProgramData\Payload.exe | N/A |
| Token: 33 | N/A | C:\ProgramData\Payload.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\ProgramData\Payload.exe | N/A |
| Token: 33 | N/A | C:\ProgramData\Payload.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\ProgramData\Payload.exe | N/A |
| Token: 33 | N/A | C:\ProgramData\Payload.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\ProgramData\Payload.exe | N/A |
| Token: 33 | N/A | C:\ProgramData\Payload.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\ProgramData\Payload.exe | N/A |
Suspicious use of WriteProcessMemory
Views/modifies file attributes
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\attrib.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\attrib.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\attrib.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\a88675b6bd37faff8ac76d0b3dd15cca.exe
"C:\Users\Admin\AppData\Local\Temp\a88675b6bd37faff8ac76d0b3dd15cca.exe"
C:\ProgramData\Payload.exe
"C:\ProgramData\Payload.exe"
C:\Windows\SysWOW64\attrib.exe
attrib +h +r +s "C:\ProgramData\Payload.exe"
C:\Windows\SysWOW64\attrib.exe
attrib +h +r +s "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.exe"
C:\Windows\SysWOW64\attrib.exe
attrib +h +r +s "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Windows.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.200:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | sific227asmm.ddns.net | udp |
| US | 8.8.8.8:53 | sific227asmm.ddns.net | udp |
| US | 8.8.8.8:53 | sific227asmm.ddns.net | udp |
| US | 8.8.8.8:53 | sific227asmm.ddns.net | udp |
| US | 8.8.8.8:53 | sific227asmm.ddns.net | udp |
| US | 8.8.8.8:53 | sific227asmm.ddns.net | udp |
| US | 8.8.8.8:53 | sific227asmm.ddns.net | udp |
| US | 8.8.8.8:53 | 194.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | sific227asmm.ddns.net | udp |
| US | 8.8.8.8:53 | sific227asmm.ddns.net | udp |
| US | 8.8.8.8:53 | sific227asmm.ddns.net | udp |
| US | 8.8.8.8:53 | sific227asmm.ddns.net | udp |
| US | 8.8.8.8:53 | sific227asmm.ddns.net | udp |
| US | 8.8.8.8:53 | sific227asmm.ddns.net | udp |
| US | 8.8.8.8:53 | 21.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | sific227asmm.ddns.net | udp |
| US | 8.8.8.8:53 | sific227asmm.ddns.net | udp |
| US | 8.8.8.8:53 | sific227asmm.ddns.net | udp |
| US | 8.8.8.8:53 | sific227asmm.ddns.net | udp |
| US | 8.8.8.8:53 | sific227asmm.ddns.net | udp |
| US | 8.8.8.8:53 | sific227asmm.ddns.net | udp |
| US | 8.8.8.8:53 | sific227asmm.ddns.net | udp |
| US | 8.8.8.8:53 | sific227asmm.ddns.net | udp |
| US | 8.8.8.8:53 | sific227asmm.ddns.net | udp |
Files
memory/4784-0-0x0000000074B20000-0x00000000750D1000-memory.dmp
memory/4784-1-0x0000000074B20000-0x00000000750D1000-memory.dmp
memory/4784-2-0x0000000001380000-0x0000000001390000-memory.dmp
C:\ProgramData\Payload.exe
| MD5 | a88675b6bd37faff8ac76d0b3dd15cca |
| SHA1 | acca891f9da218eaee8cc79ad22909efba3575a6 |
| SHA256 | d628e7a54d5069605f2e2b3226818d2f3343973b87e1e4a15943c9792e7f1d97 |
| SHA512 | c671cadd2e649a4ee46f4020134b7129818582c1baf8253b70a29214e85da03710d59761a641339697152adad0e23aea5e5cdd42f59c91fe7f94c153783c2dd9 |
memory/4784-14-0x0000000074B20000-0x00000000750D1000-memory.dmp
memory/1620-15-0x0000000074B20000-0x00000000750D1000-memory.dmp
memory/1620-16-0x0000000000DE0000-0x0000000000DF0000-memory.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.lnk
| MD5 | 82308d8a6d43b962b17e22f0a0b5c03a |
| SHA1 | 4b5353ba7e3d37b4be5a2340de1022d26f35300d |
| SHA256 | 9fd096067d5afb2ffd41a8bbba2c9c1b759d143113c0871affa3c21d9e257ca1 |
| SHA512 | 677b261a1544e2e8c24ebd71b31de64560d0f447bb3eca4e3ef108edcff3a492b23242680b9020884daf7deda15a02befd005343c217b2920327390a16fa918a |
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Windows.lnk
| MD5 | 1feed5785388ea77f430850910e8d554 |
| SHA1 | 1b6a7244cfc9d770e6e40cbb79eed32775864aca |
| SHA256 | 40bc3728178c73ddbe43dd4f4d0b3fb093fbc9a079f228a15355661b57be471e |
| SHA512 | 4286775cf095f1948041042ff498ff55c5aa7e3fabe4cf0a92cc7ad0c3d7ed69aff748aebe1eeab78e20028b785d1b42603de21b070a6a735ee3bcc99d5a63f8 |
memory/1620-18-0x0000000074B20000-0x00000000750D1000-memory.dmp
memory/1620-24-0x0000000074B20000-0x00000000750D1000-memory.dmp
memory/1620-25-0x0000000000DE0000-0x0000000000DF0000-memory.dmp