Analysis Overview
SHA256
19ddc1f60f505a17da34fde25a21e8ea5aa604e0e060be2c13f07cbe155cb464
Threat Level: Likely malicious
The file 81cd522bbee329748be2dd219c88cce5_JaffaCakes118 was found to be: Likely malicious.
Malicious Activity Summary
Blocklisted process makes network request
Server Software Component: Terminal Services DLL
Checks computer location settings
Indicator Removal: File Deletion
UPX packed file
System Location Discovery: System Language Discovery
Unsigned PE
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-10-31 05:32
Signatures
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-10-31 05:32
Reported
2024-10-31 05:35
Platform
win7-20240903-en
Max time kernel
140s
Max time network
123s
Command Line
Signatures
Blocklisted process makes network request
| 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\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
Server Software Component: Terminal Services DLL
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\.Net CLR\Parameters\ServiceDll = "C:\\Users\\Admin\\AppData\\Local\\Temp\\81cd522bbee329748be2dd219c88cce5_JaffaCakes118.dll" | C:\Windows\SysWOW64\rundll32.exe | N/A |
Indicator Removal: File Deletion
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
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| N/A | N/A | N/A | N/A |
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| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
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\svchost.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\rundll32.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\81cd522bbee329748be2dd219c88cce5_JaffaCakes118.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\81cd522bbee329748be2dd219c88cce5_JaffaCakes118.dll,#1
C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k ".Net CLR"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c del "C:\Windows\SysWOW64\rundll32.exe" > nul
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe c:\users\admin\appdata\local\temp\81cd522bbee329748be2dd219c88cce5_jaffacakes118.dll, Launch
Network
| Country | Destination | Domain | Proto |
| CN | 122.64.67.189:80 | tcp | |
| CN | 122.64.67.189:80 | tcp | |
| CN | 122.64.67.189:80 | tcp | |
| CN | 122.64.67.189:80 | tcp | |
| CN | 122.64.67.189:80 | tcp |
Files
memory/1980-0-0x0000000075010000-0x000000007512E000-memory.dmp
memory/1980-1-0x0000000075000000-0x000000007511E000-memory.dmp
memory/1980-3-0x0000000075010000-0x000000007512E000-memory.dmp
memory/1980-2-0x0000000074EE0000-0x0000000074FFE000-memory.dmp
memory/2104-4-0x0000000075010000-0x000000007512E000-memory.dmp
memory/760-5-0x0000000075010000-0x000000007512E000-memory.dmp
memory/760-7-0x0000000075010000-0x000000007512E000-memory.dmp
memory/760-6-0x0000000075010000-0x000000007512E000-memory.dmp
memory/1980-8-0x0000000075010000-0x000000007512E000-memory.dmp
memory/2104-9-0x0000000075010000-0x000000007512E000-memory.dmp
memory/760-10-0x0000000075010000-0x000000007512E000-memory.dmp
memory/760-16-0x0000000075010000-0x000000007512E000-memory.dmp
memory/760-20-0x0000000075010000-0x000000007512E000-memory.dmp
memory/2104-23-0x0000000075010000-0x000000007512E000-memory.dmp
memory/760-24-0x0000000075010000-0x000000007512E000-memory.dmp
memory/760-34-0x0000000075010000-0x000000007512E000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-10-31 05:32
Reported
2024-10-31 05:35
Platform
win10v2004-20241007-en
Max time kernel
140s
Max time network
140s
Command Line
Signatures
Blocklisted process makes network request
| 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\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
Server Software Component: Terminal Services DLL
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\.Net CLR\Parameters\ServiceDll = "C:\\Users\\Admin\\AppData\\Local\\Temp\\81cd522bbee329748be2dd219c88cce5_JaffaCakes118.dll" | C:\Windows\SysWOW64\rundll32.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation | C:\Windows\SysWOW64\rundll32.exe | N/A |
Indicator Removal: File Deletion
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
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:\Windows\SysWOW64\svchost.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 |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1692 wrote to memory of 3228 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1692 wrote to memory of 3228 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1692 wrote to memory of 3228 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2708 wrote to memory of 1332 | N/A | C:\Windows\SysWOW64\svchost.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2708 wrote to memory of 1332 | N/A | C:\Windows\SysWOW64\svchost.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2708 wrote to memory of 1332 | N/A | C:\Windows\SysWOW64\svchost.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 3228 wrote to memory of 5012 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 3228 wrote to memory of 5012 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 3228 wrote to memory of 5012 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\cmd.exe |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\81cd522bbee329748be2dd219c88cce5_JaffaCakes118.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\81cd522bbee329748be2dd219c88cce5_JaffaCakes118.dll,#1
C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k ".Net CLR"
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe c:\users\admin\appdata\local\temp\81cd522bbee329748be2dd219c88cce5_jaffacakes118.dll, Launch
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c del "C:\Windows\SysWOW64\rundll32.exe" > nul
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 | 58.55.71.13.in-addr.arpa | udp |
| CN | 122.64.67.189:80 | tcp | |
| US | 8.8.8.8:53 | 73.209.201.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 150.171.28.10:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 10.28.171.150.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 17.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| CN | 122.64.67.189:80 | tcp | |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.190.18.2.in-addr.arpa | udp |
| CN | 122.64.67.189:80 | tcp | |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| CN | 122.64.67.189:80 | tcp | |
| US | 8.8.8.8:53 | 29.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| CN | 122.64.67.189:80 | tcp |
Files
memory/3228-0-0x0000000074CA0000-0x0000000074DBE000-memory.dmp
memory/1332-1-0x0000000074CA0000-0x0000000074DBE000-memory.dmp
memory/2708-2-0x0000000074CA0000-0x0000000074DBE000-memory.dmp
memory/1332-4-0x0000000074CA0000-0x0000000074DBE000-memory.dmp
memory/1332-8-0x0000000074CA0000-0x0000000074DBE000-memory.dmp
memory/1332-12-0x0000000074CA0000-0x0000000074DBE000-memory.dmp
memory/1332-16-0x0000000074CA0000-0x0000000074DBE000-memory.dmp
memory/1332-20-0x0000000074CA0000-0x0000000074DBE000-memory.dmp
memory/1332-24-0x0000000074CA0000-0x0000000074DBE000-memory.dmp
memory/2708-25-0x0000000074CA0000-0x0000000074DBE000-memory.dmp
memory/1332-26-0x0000000074CA0000-0x0000000074DBE000-memory.dmp
memory/1332-30-0x0000000074CA0000-0x0000000074DBE000-memory.dmp