Analysis Overview
SHA256
155f0bd1a6d92bf811c5157707eec4780d4b17cf6fb1166200a9d1ab9b93da48
Threat Level: Known bad
The file fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
NanoCore
Executes dropped EXE
Loads dropped DLL
Adds Run key to start application
Checks whether UAC is enabled
Suspicious use of SetThreadContext
Drops file in Program Files directory
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-21 08:56
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-21 08:56
Reported
2024-04-21 08:58
Platform
win7-20240221-en
Max time kernel
150s
Max time network
146s
Command Line
Signatures
NanoCore
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\sql_support.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows\CurrentVersion\Run\Net Display = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Bit57\\ndmgr.exe" | C:\Users\Admin\AppData\Local\Temp\fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\NAS Host = "C:\\Program Files (x86)\\NAS Host\\nashost.exe" | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows\CurrentVersion\Run\Net Display = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Bit57\\ndmgr.exe" | C:\Users\Admin\AppData\Local\Temp\sql_support.exe | N/A |
Checks whether UAC is enabled
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2212 set thread context of 2580 | N/A | C:\Users\Admin\AppData\Local\Temp\fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files (x86)\NAS Host\nashost.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
| File opened for modification | C:\Program Files (x86)\NAS Host\nashost.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\sql_support.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
C:\Users\Admin\AppData\Local\Temp\sql_support.exe
"C:\Users\Admin\AppData\Local\Temp\sql_support.exe" -woohoo 2580 C:\Users\Admin\AppData\Local\Temp\ndmgr.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | netserv.serveftp.com | udp |
| US | 8.8.4.4:53 | netserv.serveftp.com | udp |
| US | 8.8.8.8:53 | netserv.serveftp.com | udp |
| US | 8.8.8.8:53 | netserv.serveftp.com | udp |
| US | 8.8.4.4:53 | netserv.serveftp.com | udp |
| US | 8.8.8.8:53 | netserv.serveftp.com | udp |
| US | 8.8.4.4:53 | netserv.serveftp.com | udp |
| FR | 176.31.174.37:55128 | tcp | |
| FR | 176.31.174.37:55128 | tcp | |
| FR | 176.31.174.37:55128 | tcp | |
| US | 8.8.8.8:53 | netserv.serveftp.com | udp |
| US | 8.8.4.4:53 | netserv.serveftp.com | udp |
| US | 8.8.8.8:53 | netserv.serveftp.com | udp |
| US | 8.8.4.4:53 | netserv.serveftp.com | udp |
| US | 8.8.8.8:53 | netserv.serveftp.com | udp |
| US | 8.8.4.4:53 | netserv.serveftp.com | udp |
| FR | 176.31.174.37:55128 | tcp | |
| FR | 176.31.174.37:55128 | tcp | |
| FR | 176.31.174.37:55128 | tcp | |
| US | 8.8.8.8:53 | netserv.serveftp.com | udp |
| US | 8.8.4.4:53 | netserv.serveftp.com | udp |
| US | 8.8.8.8:53 | netserv.serveftp.com | udp |
| US | 8.8.4.4:53 | netserv.serveftp.com | udp |
| US | 8.8.8.8:53 | netserv.serveftp.com | udp |
| US | 8.8.4.4:53 | netserv.serveftp.com | udp |
| FR | 176.31.174.37:55128 | tcp |
Files
memory/2212-1-0x0000000000570000-0x00000000005B0000-memory.dmp
memory/2212-0-0x0000000074710000-0x0000000074CBB000-memory.dmp
memory/2212-2-0x0000000074710000-0x0000000074CBB000-memory.dmp
memory/2212-12-0x0000000000570000-0x00000000005B0000-memory.dmp
memory/2580-14-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2580-16-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2580-18-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2580-21-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2580-24-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2580-25-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2580-30-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2580-32-0x0000000000400000-0x0000000000438000-memory.dmp
memory/3032-43-0x00000000001B0000-0x00000000001F0000-memory.dmp
memory/3032-44-0x0000000074710000-0x0000000074CBB000-memory.dmp
memory/2580-42-0x0000000074710000-0x0000000074CBB000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\sql_support.exe
| MD5 | fee9cf8ec3de16009f0ffecdb2a8a831 |
| SHA1 | 93af1af6f4d7ba623f03892032a805a099e2ab3c |
| SHA256 | 155f0bd1a6d92bf811c5157707eec4780d4b17cf6fb1166200a9d1ab9b93da48 |
| SHA512 | 70e7e5b0810df304774d547d14546b13dfea0e4a69775589ec1d9727868e0dba9db76948749274ebfd11551465ec6a432edc77ead4111f713abc10fb713f6e66 |
C:\Users\Admin\AppData\Local\Temp\Cab27CC.tmp
| MD5 | ac05d27423a85adc1622c714f2cb6184 |
| SHA1 | b0fe2b1abddb97837ea0195be70ab2ff14d43198 |
| SHA256 | c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d |
| SHA512 | 6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 475f0cc45e2c54ac6583403530c06810 |
| SHA1 | 8f1167fd739015fa9e40a2bdb3db9e18ebedf7b3 |
| SHA256 | 19daf5bd0627a03a17f45ca7dbe0cf0d8e3ccbc33f58eaf1fff3b2a554f39772 |
| SHA512 | f190e23c72688e8d31ffff5a1c482e47cfa7fe78fb9815dd37bb23e29faa197427e3b22be76597637cf296ded35e498ed7adc1d902cd9245c3e3065a69325932 |
memory/3032-57-0x00000000001B0000-0x00000000001F0000-memory.dmp
memory/2212-59-0x0000000000570000-0x00000000005B0000-memory.dmp
memory/2212-58-0x0000000074710000-0x0000000074CBB000-memory.dmp
memory/2212-60-0x0000000000570000-0x00000000005B0000-memory.dmp
memory/2580-61-0x0000000074710000-0x0000000074CBB000-memory.dmp
memory/3032-62-0x00000000001B0000-0x00000000001F0000-memory.dmp
memory/3032-63-0x0000000074710000-0x0000000074CBB000-memory.dmp
memory/3032-64-0x0000000074710000-0x0000000074CBB000-memory.dmp
memory/3032-65-0x00000000001B0000-0x00000000001F0000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-21 08:56
Reported
2024-04-21 08:58
Platform
win10v2004-20240412-en
Max time kernel
144s
Max time network
151s
Command Line
Signatures
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe"
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 | 9.228.82.20.in-addr.arpa | udp |
| NL | 23.62.61.138:443 | www.bing.com | tcp |
| NL | 23.62.61.138:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 138.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.114.53.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.173.246.72.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 119.110.54.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 249.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 48.251.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.229.111.52.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 |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
Files
memory/4780-0-0x00000000754B0000-0x0000000075A61000-memory.dmp
memory/4780-1-0x00000000754B0000-0x0000000075A61000-memory.dmp
memory/4780-2-0x0000000001280000-0x0000000001290000-memory.dmp
memory/4780-5-0x0000000001280000-0x0000000001290000-memory.dmp
memory/4780-7-0x00000000754B0000-0x0000000075A61000-memory.dmp