Analysis Overview
SHA256
f51c2657f1bfdc6db9e15289a01c240600648edbae04b5a9dabcc5f88fa826fc
Threat Level: Likely malicious
The file 10a5b6e04f322bf30a9807a14177eae5_JaffaCakes118 was found to be: Likely malicious.
Malicious Activity Summary
Server Software Component: Terminal Services DLL
Deletes itself
Loads dropped DLL
Unexpected DNS network traffic destination
VMProtect packed file
Drops file in System32 directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-26 03:58
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-26 03:58
Reported
2024-06-26 04:00
Platform
win7-20240419-en
Max time kernel
148s
Max time network
150s
Command Line
Signatures
Server Software Component: Terminal Services DLL
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\EventNvidaLog\Parameters\ServiceDll = "C:\\Windows\\system32\\npkcore7.dll" | C:\Users\Admin\AppData\Local\Temp\10a5b6e04f322bf30a9807a14177eae5_JaffaCakes118.exe | N/A |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\svchost.exe | N/A |
Unexpected DNS network traffic destination
| Description | Indicator | Process | Target |
| Destination IP | 202.30.143.11 | N/A | N/A |
| Destination IP | 67.43.161.211 | N/A | N/A |
| Destination IP | 202.30.143.11 | N/A | N/A |
| Destination IP | 67.43.161.211 | N/A | N/A |
| Destination IP | 202.30.143.11 | N/A | N/A |
| Destination IP | 67.43.161.221 | N/A | N/A |
| Destination IP | 72.34.255.211 | N/A | N/A |
| Destination IP | 203.240.193.11 | N/A | N/A |
| Destination IP | 67.43.173.8 | N/A | N/A |
| Destination IP | 67.43.173.8 | N/A | N/A |
| Destination IP | 67.43.161.221 | N/A | N/A |
| Destination IP | 203.240.193.11 | N/A | N/A |
| Destination IP | 67.43.173.7 | N/A | N/A |
| Destination IP | 67.43.173.7 | N/A | N/A |
| Destination IP | 67.43.161.221 | N/A | N/A |
| Destination IP | 203.240.193.11 | N/A | N/A |
VMProtect packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\npkcore7.dll | C:\Users\Admin\AppData\Local\Temp\10a5b6e04f322bf30a9807a14177eae5_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\npkcore7.dll | C:\Users\Admin\AppData\Local\Temp\10a5b6e04f322bf30a9807a14177eae5_JaffaCakes118.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\10a5b6e04f322bf30a9807a14177eae5_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\10a5b6e04f322bf30a9807a14177eae5_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\svchost.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\10a5b6e04f322bf30a9807a14177eae5_JaffaCakes118.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\10a5b6e04f322bf30a9807a14177eae5_JaffaCakes118.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\10a5b6e04f322bf30a9807a14177eae5_JaffaCakes118.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\10a5b6e04f322bf30a9807a14177eae5_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2944 wrote to memory of 2724 | N/A | C:\Users\Admin\AppData\Local\Temp\10a5b6e04f322bf30a9807a14177eae5_JaffaCakes118.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2944 wrote to memory of 2724 | N/A | C:\Users\Admin\AppData\Local\Temp\10a5b6e04f322bf30a9807a14177eae5_JaffaCakes118.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2944 wrote to memory of 2724 | N/A | C:\Users\Admin\AppData\Local\Temp\10a5b6e04f322bf30a9807a14177eae5_JaffaCakes118.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2944 wrote to memory of 2724 | N/A | C:\Users\Admin\AppData\Local\Temp\10a5b6e04f322bf30a9807a14177eae5_JaffaCakes118.exe | C:\Windows\SysWOW64\cmd.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\10a5b6e04f322bf30a9807a14177eae5_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\10a5b6e04f322bf30a9807a14177eae5_JaffaCakes118.exe"
C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k netsvcs
C:\Windows\SysWOW64\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\\259399086.bat
Network
| Country | Destination | Domain | Proto |
| US | 8.8.4.4:53 | gom500.dd.blueline.be | udp |
| US | 8.8.8.8:53 | gom500.dd.blueline.be | udp |
| US | 67.43.173.7:53 | gom500.dd.blueline.be | udp |
| US | 67.43.173.8:53 | gom500.dd.blueline.be | udp |
| US | 67.43.161.211:53 | gom500.dd.blueline.be | udp |
| US | 67.43.161.221:53 | gom500.dd.blueline.be | udp |
| KR | 202.30.143.11:53 | gom500.dd.blueline.be | udp |
| KR | 203.240.193.11:53 | gom500.dd.blueline.be | udp |
| US | 8.8.8.8:53 | gom500.dd.blueline.be | udp |
| US | 8.8.8.8:53 | google-public-dns-a.google.com | udp |
| US | 8.8.8.8:53 | google-public-dns-a.google.com | udp |
| US | 8.8.8.8:53 | google-public-dns-a.google.com | udp |
| US | 8.8.4.4:53 | google-public-dns-b.google.com | udp |
| US | 8.8.8.8:53 | google-public-dns-a.google.com | udp |
| US | 8.8.8.8:53 | google-public-dns-a.google.com | udp |
| US | 8.8.8.8:53 | google-public-dns-a.google.com | udp |
| US | 72.34.255.211:53 | dns1.xfernet.net | udp |
| US | 8.8.8.8:53 | google-public-dns-a.google.com | udp |
| US | 67.43.161.221:53 | dns2.xfernet.net | udp |
| US | 8.8.8.8:53 | google-public-dns-a.google.com | udp |
| KR | 202.30.143.11:53 | ns.shinbiro.com | udp |
| US | 8.8.8.8:53 | google-public-dns-a.google.com | udp |
| KR | 203.240.193.11:53 | ns2.shinbiro.com | udp |
| US | 8.8.8.8:53 | google-public-dns-a.google.com | udp |
| US | 8.8.8.8:53 | google-public-dns-a.google.com | udp |
| US | 8.8.4.4:53 | google-public-dns-b.google.com | udp |
| US | 67.43.173.7:53 | win100.Jkub.com | udp |
| US | 67.43.173.8:53 | win100.Jkub.com | udp |
| US | 67.43.161.211:53 | win100.Jkub.com | udp |
| US | 67.43.161.221:53 | dns2.xfernet.net | udp |
| KR | 202.30.143.11:53 | ns.shinbiro.com | udp |
| KR | 203.240.193.11:53 | ns2.shinbiro.com | udp |
| US | 8.8.4.4:53 | google-public-dns-b.google.com | udp |
Files
memory/2944-0-0x0000000000400000-0x0000000000497000-memory.dmp
memory/2944-1-0x0000000000400000-0x0000000000497000-memory.dmp
memory/2944-4-0x0000000010000000-0x000000001006B000-memory.dmp
memory/2944-10-0x0000000010000000-0x000000001006B000-memory.dmp
memory/2944-19-0x0000000010000000-0x000000001006B000-memory.dmp
memory/2944-14-0x0000000010000000-0x000000001006B000-memory.dmp
\??\c:\windows\SysWOW64\npkcore7.dll
| MD5 | 19d211e90d8a49690da4bb89de225f99 |
| SHA1 | ac712096a55d22b51a4bf4efd83327adc5b72867 |
| SHA256 | 7ef9e9b3b746306fc70627838ec5412b9c34937db7ba594ea1801a045d3a4dee |
| SHA512 | 18b906e812fe308bce3160a145ec9c6203ccd151f0b9c3138ff76ef66bbba8a0accdac2ad6d51ddf3dfcba713b17b3ea3e3394f3a5fa3874501a7fd6ff7d42e7 |
memory/2944-29-0x0000000000400000-0x0000000000497000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\259399086.bat
| MD5 | 085b3a62a0845d48276569bb3fc6c1d4 |
| SHA1 | 8d62fbb69df2fafee83597b8050e9044037b0597 |
| SHA256 | 34c1edc1bf6374e62849a578b6e4a80c5f8da20dabeb43298a3dd81f7d162364 |
| SHA512 | 4e754bf5f624be6bab0bdd1def97a8a056c4705b771524dd48d92668b7891edbbd7985cec6e52228e000dd16af2cb91c11e0e853f5728432d450b79a5ced44f7 |
memory/2596-31-0x0000000010000000-0x000000001006B000-memory.dmp
memory/2596-34-0x0000000010000000-0x000000001006B000-memory.dmp
memory/2944-30-0x0000000010000000-0x000000001006B000-memory.dmp
memory/2596-35-0x0000000000220000-0x0000000000237000-memory.dmp
memory/2596-59-0x0000000010000000-0x000000001006B000-memory.dmp
memory/2596-48-0x0000000000F20000-0x0000000000F30000-memory.dmp
memory/2596-46-0x0000000000F20000-0x0000000000F30000-memory.dmp
memory/2596-61-0x0000000010000000-0x000000001006B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-26 03:58
Reported
2024-06-26 04:00
Platform
win10v2004-20240508-en
Max time kernel
147s
Max time network
151s
Command Line
Signatures
Server Software Component: Terminal Services DLL
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\AlYacEventDcomRemote\Parameters\ServiceDll = "C:\\Windows\\system32\\npkcoref.dll" | C:\Users\Admin\AppData\Local\Temp\10a5b6e04f322bf30a9807a14177eae5_JaffaCakes118.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\svchost.exe | N/A |
Unexpected DNS network traffic destination
| Description | Indicator | Process | Target |
| Destination IP | 67.43.173.7 | N/A | N/A |
| Destination IP | 67.43.161.211 | N/A | N/A |
| Destination IP | 67.43.161.221 | N/A | N/A |
| Destination IP | 202.30.143.11 | N/A | N/A |
| Destination IP | 203.240.193.11 | N/A | N/A |
| Destination IP | 67.43.173.8 | N/A | N/A |
VMProtect packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\npkcoref.dll | C:\Users\Admin\AppData\Local\Temp\10a5b6e04f322bf30a9807a14177eae5_JaffaCakes118.exe | N/A |
| File created | C:\Windows\SysWOW64\npkcoref.dll | C:\Users\Admin\AppData\Local\Temp\10a5b6e04f322bf30a9807a14177eae5_JaffaCakes118.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\10a5b6e04f322bf30a9807a14177eae5_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\10a5b6e04f322bf30a9807a14177eae5_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\svchost.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\10a5b6e04f322bf30a9807a14177eae5_JaffaCakes118.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\10a5b6e04f322bf30a9807a14177eae5_JaffaCakes118.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\10a5b6e04f322bf30a9807a14177eae5_JaffaCakes118.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\10a5b6e04f322bf30a9807a14177eae5_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1440 wrote to memory of 972 | N/A | C:\Users\Admin\AppData\Local\Temp\10a5b6e04f322bf30a9807a14177eae5_JaffaCakes118.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 1440 wrote to memory of 972 | N/A | C:\Users\Admin\AppData\Local\Temp\10a5b6e04f322bf30a9807a14177eae5_JaffaCakes118.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 1440 wrote to memory of 972 | N/A | C:\Users\Admin\AppData\Local\Temp\10a5b6e04f322bf30a9807a14177eae5_JaffaCakes118.exe | C:\Windows\SysWOW64\cmd.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\10a5b6e04f322bf30a9807a14177eae5_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\10a5b6e04f322bf30a9807a14177eae5_JaffaCakes118.exe"
C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k netsvcs
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\\240600796.bat
Network
| Country | Destination | Domain | Proto |
| US | 8.8.4.4:53 | gom500.dd.blueline.be | udp |
| US | 8.8.8.8:53 | 4.4.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | gom500.dd.blueline.be | udp |
| US | 67.43.173.7:53 | gom500.dd.blueline.be | udp |
| US | 8.8.8.8:53 | 7.173.43.67.in-addr.arpa | udp |
| US | 67.43.173.8:53 | gom500.dd.blueline.be | udp |
| US | 8.8.8.8:53 | gom500.dd.blueline.be | udp |
| US | 8.8.8.8:53 | 8.173.43.67.in-addr.arpa | udp |
| US | 8.8.8.8:53 | gom500.dd.blueline.be | udp |
| US | 67.43.161.211:53 | gom500.dd.blueline.be | udp |
| US | 8.8.8.8:53 | 211.161.43.67.in-addr.arpa | udp |
| US | 8.8.8.8:53 | gom500.dd.blueline.be | udp |
| US | 67.43.161.221:53 | gom500.dd.blueline.be | udp |
| US | 8.8.8.8:53 | 221.161.43.67.in-addr.arpa | udp |
| US | 8.8.8.8:53 | gom500.dd.blueline.be | udp |
| KR | 202.30.143.11:53 | gom500.dd.blueline.be | udp |
| US | 8.8.8.8:53 | 11.143.30.202.in-addr.arpa | udp |
| US | 8.8.8.8:53 | gom500.dd.blueline.be | udp |
| KR | 203.240.193.11:53 | gom500.dd.blueline.be | udp |
| US | 8.8.8.8:53 | 11.193.240.203.in-addr.arpa | udp |
| US | 8.8.8.8:53 | gom500.dd.blueline.be | udp |
| US | 8.8.8.8:53 | gom500.dd.blueline.be | udp |
Files
memory/1440-0-0x0000000000400000-0x0000000000497000-memory.dmp
memory/1440-1-0x0000000000400000-0x0000000000497000-memory.dmp
memory/1440-4-0x0000000010000000-0x000000001006B000-memory.dmp
memory/1440-11-0x0000000010000000-0x000000001006B000-memory.dmp
memory/1440-14-0x0000000010000000-0x000000001006B000-memory.dmp
memory/1440-19-0x0000000010000000-0x000000001006B000-memory.dmp
C:\Windows\SysWOW64\npkcoref.dll
| MD5 | 19d211e90d8a49690da4bb89de225f99 |
| SHA1 | ac712096a55d22b51a4bf4efd83327adc5b72867 |
| SHA256 | 7ef9e9b3b746306fc70627838ec5412b9c34937db7ba594ea1801a045d3a4dee |
| SHA512 | 18b906e812fe308bce3160a145ec9c6203ccd151f0b9c3138ff76ef66bbba8a0accdac2ad6d51ddf3dfcba713b17b3ea3e3394f3a5fa3874501a7fd6ff7d42e7 |
memory/4916-26-0x0000000010000000-0x000000001006B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\240600796.bat
| MD5 | 5f72a8e4075868f61a3c6f1ff7a96e64 |
| SHA1 | b23d34fe2ee3b3f602827f61c50b1a93f5627972 |
| SHA256 | 952acdb3b29668a090aca210d93bdea649558c03ece188aadce5de026a5230e7 |
| SHA512 | 90aaffa7d4091d1dbd4930572688230e6e48aff70ec16aad169aa01e8db1431e7ee687320c4b4f193c4d65646d8353826fb3dc334c4736d173a358ac7d6ba7ae |
memory/1440-25-0x0000000010000000-0x000000001006B000-memory.dmp
memory/1440-24-0x0000000000400000-0x0000000000497000-memory.dmp
memory/4916-28-0x0000000010000000-0x000000001006B000-memory.dmp
memory/4916-31-0x0000000001920000-0x0000000001937000-memory.dmp
memory/4916-56-0x0000000010000000-0x000000001006B000-memory.dmp