Analysis Overview
SHA256
ea721b83c12fd31e7df6bbf8d1516c663046cc809e6fa2672b27b3b6c113bf23
Threat Level: Known bad
The file 12ee889f3a4da0ad4431f67b30b8279e_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
NanoCore
Nanocore family
Adds Run key to start application
Checks whether UAC is enabled
Drops file in Program Files directory
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-04 13:25
Signatures
Nanocore family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-04 13:25
Reported
2024-05-04 13:28
Platform
win7-20240221-en
Max time kernel
146s
Max time network
147s
Command Line
Signatures
NanoCore
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\DHCP Host = "C:\\Program Files (x86)\\DHCP Host\\dhcphost.exe" | C:\Users\Admin\AppData\Local\Temp\12ee889f3a4da0ad4431f67b30b8279e_JaffaCakes118.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:\Users\Admin\AppData\Local\Temp\12ee889f3a4da0ad4431f67b30b8279e_JaffaCakes118.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files (x86)\DHCP Host\dhcphost.exe | C:\Users\Admin\AppData\Local\Temp\12ee889f3a4da0ad4431f67b30b8279e_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Program Files (x86)\DHCP Host\dhcphost.exe | C:\Users\Admin\AppData\Local\Temp\12ee889f3a4da0ad4431f67b30b8279e_JaffaCakes118.exe | N/A |
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\12ee889f3a4da0ad4431f67b30b8279e_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\12ee889f3a4da0ad4431f67b30b8279e_JaffaCakes118.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\12ee889f3a4da0ad4431f67b30b8279e_JaffaCakes118.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\12ee889f3a4da0ad4431f67b30b8279e_JaffaCakes118.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\12ee889f3a4da0ad4431f67b30b8279e_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\12ee889f3a4da0ad4431f67b30b8279e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\12ee889f3a4da0ad4431f67b30b8279e_JaffaCakes118.exe"
C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DHCP Host" /xml "C:\Users\Admin\AppData\Local\Temp\tmp1390.tmp"
C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DHCP Host Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp142D.tmp"
Network
| Country | Destination | Domain | Proto |
| US | 185.145.45.223:1199 | tcp | |
| US | 185.145.45.223:1199 | tcp | |
| US | 185.145.45.223:1199 | tcp | |
| N/A | 127.0.0.1:1199 | tcp | |
| N/A | 127.0.0.1:1199 | tcp | |
| N/A | 127.0.0.1:1199 | tcp | |
| US | 185.145.45.223:1199 | tcp | |
| US | 185.145.45.223:1199 | tcp | |
| US | 185.145.45.223:1199 | tcp | |
| N/A | 127.0.0.1:1199 | tcp | |
| N/A | 127.0.0.1:1199 | tcp | |
| N/A | 127.0.0.1:1199 | tcp | |
| US | 185.145.45.223:1199 | tcp | |
| US | 185.145.45.223:1199 | tcp |
Files
memory/1720-0-0x0000000074941000-0x0000000074942000-memory.dmp
memory/1720-1-0x0000000074940000-0x0000000074EEB000-memory.dmp
memory/1720-2-0x0000000074940000-0x0000000074EEB000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmp1390.tmp
| MD5 | 9c0b1c86f7452298c4d40f7771a2bd8b |
| SHA1 | 03c8404cd9944a0aff1c255e63924e0cec115615 |
| SHA256 | 227cf9e39da3e83d16e01688a6fd8fdbc6a94f96910107feb876bb3da2bd1641 |
| SHA512 | 4e50cc8491911a278cbe734ddb01411ac951c30c68bfcdf4bae712b0ea2ce707416e403b55f8127cf64e79ed347be873666fd6b4a171ff1eb8b213ed58f1e945 |
C:\Users\Admin\AppData\Local\Temp\tmp142D.tmp
| MD5 | 0479d5f304ef2d7e3c15fb24a99f88c1 |
| SHA1 | 8edbb1450a656fac5f5e96779ffe440ee8c1aec9 |
| SHA256 | 112557c2b2d0c669a3b115129dc32f005341e965330fa8f2ad3e5de1926594bc |
| SHA512 | 537e8d87e5cd975f0e69bb145f81d6e9d7b0d82eed143ac351304ea38577137386a51fdb7357ec6d641eb04ff5f51e249bba2db8a4b5bf2934d561394a4a3f15 |
memory/1720-10-0x0000000074940000-0x0000000074EEB000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-04 13:25
Reported
2024-05-04 13:28
Platform
win10v2004-20240419-en
Max time kernel
136s
Max time network
144s
Command Line
Signatures
NanoCore
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\DHCP Host = "C:\\Program Files (x86)\\DHCP Host\\dhcphost.exe" | C:\Users\Admin\AppData\Local\Temp\12ee889f3a4da0ad4431f67b30b8279e_JaffaCakes118.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:\Users\Admin\AppData\Local\Temp\12ee889f3a4da0ad4431f67b30b8279e_JaffaCakes118.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files (x86)\DHCP Host\dhcphost.exe | C:\Users\Admin\AppData\Local\Temp\12ee889f3a4da0ad4431f67b30b8279e_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Program Files (x86)\DHCP Host\dhcphost.exe | C:\Users\Admin\AppData\Local\Temp\12ee889f3a4da0ad4431f67b30b8279e_JaffaCakes118.exe | N/A |
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\12ee889f3a4da0ad4431f67b30b8279e_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\12ee889f3a4da0ad4431f67b30b8279e_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\12ee889f3a4da0ad4431f67b30b8279e_JaffaCakes118.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\12ee889f3a4da0ad4431f67b30b8279e_JaffaCakes118.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\12ee889f3a4da0ad4431f67b30b8279e_JaffaCakes118.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\12ee889f3a4da0ad4431f67b30b8279e_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3056 wrote to memory of 2912 | N/A | C:\Users\Admin\AppData\Local\Temp\12ee889f3a4da0ad4431f67b30b8279e_JaffaCakes118.exe | C:\Windows\SysWOW64\schtasks.exe |
| PID 3056 wrote to memory of 2912 | N/A | C:\Users\Admin\AppData\Local\Temp\12ee889f3a4da0ad4431f67b30b8279e_JaffaCakes118.exe | C:\Windows\SysWOW64\schtasks.exe |
| PID 3056 wrote to memory of 2912 | N/A | C:\Users\Admin\AppData\Local\Temp\12ee889f3a4da0ad4431f67b30b8279e_JaffaCakes118.exe | C:\Windows\SysWOW64\schtasks.exe |
| PID 3056 wrote to memory of 4432 | N/A | C:\Users\Admin\AppData\Local\Temp\12ee889f3a4da0ad4431f67b30b8279e_JaffaCakes118.exe | C:\Windows\SysWOW64\schtasks.exe |
| PID 3056 wrote to memory of 4432 | N/A | C:\Users\Admin\AppData\Local\Temp\12ee889f3a4da0ad4431f67b30b8279e_JaffaCakes118.exe | C:\Windows\SysWOW64\schtasks.exe |
| PID 3056 wrote to memory of 4432 | N/A | C:\Users\Admin\AppData\Local\Temp\12ee889f3a4da0ad4431f67b30b8279e_JaffaCakes118.exe | C:\Windows\SysWOW64\schtasks.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\12ee889f3a4da0ad4431f67b30b8279e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\12ee889f3a4da0ad4431f67b30b8279e_JaffaCakes118.exe"
C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DHCP Host" /xml "C:\Users\Admin\AppData\Local\Temp\tmp3587.tmp"
C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DHCP Host Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp35E6.tmp"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 185.145.45.223:1199 | tcp | |
| US | 8.8.8.8:53 | 79.190.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 72.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| NL | 23.62.61.113:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 113.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 185.145.45.223:1199 | tcp | |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 185.145.45.223:1199 | tcp | |
| N/A | 127.0.0.1:1199 | tcp | |
| N/A | 127.0.0.1:1199 | tcp | |
| US | 8.8.8.8:53 | 42.140.123.92.in-addr.arpa | udp |
| N/A | 127.0.0.1:1199 | tcp | |
| US | 185.145.45.223:1199 | tcp | |
| US | 8.8.8.8:53 | 49.15.97.104.in-addr.arpa | udp |
| US | 185.145.45.223:1199 | tcp | |
| US | 8.8.8.8:53 | 11.227.111.52.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 | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 185.145.45.223:1199 | tcp | |
| N/A | 127.0.0.1:1199 | tcp | |
| N/A | 127.0.0.1:1199 | tcp | |
| N/A | 127.0.0.1:1199 | tcp | |
| US | 185.145.45.223:1199 | tcp |
Files
memory/3056-0-0x0000000074A82000-0x0000000074A83000-memory.dmp
memory/3056-1-0x0000000074A80000-0x0000000075031000-memory.dmp
memory/3056-2-0x0000000074A80000-0x0000000075031000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmp3587.tmp
| MD5 | 9c0b1c86f7452298c4d40f7771a2bd8b |
| SHA1 | 03c8404cd9944a0aff1c255e63924e0cec115615 |
| SHA256 | 227cf9e39da3e83d16e01688a6fd8fdbc6a94f96910107feb876bb3da2bd1641 |
| SHA512 | 4e50cc8491911a278cbe734ddb01411ac951c30c68bfcdf4bae712b0ea2ce707416e403b55f8127cf64e79ed347be873666fd6b4a171ff1eb8b213ed58f1e945 |
C:\Users\Admin\AppData\Local\Temp\tmp35E6.tmp
| MD5 | 0479d5f304ef2d7e3c15fb24a99f88c1 |
| SHA1 | 8edbb1450a656fac5f5e96779ffe440ee8c1aec9 |
| SHA256 | 112557c2b2d0c669a3b115129dc32f005341e965330fa8f2ad3e5de1926594bc |
| SHA512 | 537e8d87e5cd975f0e69bb145f81d6e9d7b0d82eed143ac351304ea38577137386a51fdb7357ec6d641eb04ff5f51e249bba2db8a4b5bf2934d561394a4a3f15 |
memory/3056-10-0x0000000074A80000-0x0000000075031000-memory.dmp
memory/3056-11-0x0000000074A82000-0x0000000074A83000-memory.dmp
memory/3056-12-0x0000000074A80000-0x0000000075031000-memory.dmp
memory/3056-13-0x0000000074A80000-0x0000000075031000-memory.dmp
memory/3056-14-0x0000000074A80000-0x0000000075031000-memory.dmp