Analysis Overview
SHA256
2cedfc7c7830fba4feaff1e6b228e808416fa2814d64e03c6d941ef0a49fc377
Threat Level: Shows suspicious behavior
The file 117ce3f1955ddd9abb4c69a256180594_JaffaCakes118 was found to be: Shows suspicious behavior.
Malicious Activity Summary
UPX packed file
Loads dropped DLL
Suspicious use of NtSetInformationThreadHideFromDebugger
Drops file in Windows directory
Unsigned PE
Access Token Manipulation: Create Process with Token
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-26 09:17
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
2024-06-26 09:17
Reported
2024-06-26 09:20
Platform
win7-20240508-en
Max time kernel
149s
Max time network
118s
Command Line
Signatures
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 |
Suspicious use of NtSetInformationThreadHideFromDebugger
| 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 |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\msremotex.dll | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened for modification | C:\Windows\msremotex.dll | C:\Windows\SysWOW64\rundll32.exe | N/A |
Access Token Manipulation: Create Process with Token
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InProcServer32 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9} | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7B3AC3FA-B695-41b6-BAA0-860EB5EB6FD6} | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7B3AC3FA-B695-41b6-BAA0-860EB5EB6FD6}\{F69EB73C-700A-42c9-8F9D-E8C4ABC27EF3} = "117ce3f1955ddd9abb4c69a256180594_JaffaCakes118.dll,1308893781,1200269931,-1814625877" | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\117ce3f1955ddd9abb4c69a256180594_JaffaCakes118.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\117ce3f1955ddd9abb4c69a256180594_JaffaCakes118.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32 "C:\Windows\msremotex.dll",_RunAs@16
Network
Files
memory/2172-0-0x0000000010000000-0x000000001001E000-memory.dmp
memory/2172-1-0x0000000010000000-0x000000001001E000-memory.dmp
C:\Windows\msremotex.dll
| MD5 | 117ce3f1955ddd9abb4c69a256180594 |
| SHA1 | 2b8cc8f3a95b8d4fd1bcab442ffe1d54b56c90fc |
| SHA256 | 2cedfc7c7830fba4feaff1e6b228e808416fa2814d64e03c6d941ef0a49fc377 |
| SHA512 | 252188a780bd54a12c50b2429fac0fb1c208d8101465bf59af488f9499f27f1bc0e3b5be60147ceec481a36cf5920d918561c39b291891b649d8577607e3d743 |
memory/2020-6-0x0000000010000000-0x000000001001E000-memory.dmp
memory/2020-7-0x0000000010000000-0x000000001001E000-memory.dmp
memory/2020-8-0x0000000010000000-0x000000001001E000-memory.dmp
memory/2172-10-0x0000000010000000-0x000000001001E000-memory.dmp
memory/2020-13-0x0000000010000000-0x000000001001E000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-26 09:17
Reported
2024-06-26 09:20
Platform
win10v2004-20240508-en
Max time kernel
150s
Max time network
96s
Command Line
Signatures
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
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 |
Suspicious use of NtSetInformationThreadHideFromDebugger
| 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 |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\msremotex.dll | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened for modification | C:\Windows\msremotex.dll | C:\Windows\SysWOW64\rundll32.exe | N/A |
Access Token Manipulation: Create Process with Token
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9} | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7B3AC3FA-B695-41b6-BAA0-860EB5EB6FD6} | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7B3AC3FA-B695-41b6-BAA0-860EB5EB6FD6}\{F69EB73C-700A-42c9-8F9D-E8C4ABC27EF3} = "117ce3f1955ddd9abb4c69a256180594_JaffaCakes118.dll,1308893781,1200269931,-1814625877" | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InProcServer32 | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4068 wrote to memory of 5052 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4068 wrote to memory of 5052 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4068 wrote to memory of 5052 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 5052 wrote to memory of 4392 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 5052 wrote to memory of 4392 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 5052 wrote to memory of 4392 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\117ce3f1955ddd9abb4c69a256180594_JaffaCakes118.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\117ce3f1955ddd9abb4c69a256180594_JaffaCakes118.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32 "C:\Windows\msremotex.dll",_RunAs@16
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 82.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 134.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 92.12.20.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 31.243.111.52.in-addr.arpa | udp |
Files
memory/5052-0-0x0000000010000000-0x000000001001E000-memory.dmp
C:\Windows\msremotex.dll
| MD5 | 117ce3f1955ddd9abb4c69a256180594 |
| SHA1 | 2b8cc8f3a95b8d4fd1bcab442ffe1d54b56c90fc |
| SHA256 | 2cedfc7c7830fba4feaff1e6b228e808416fa2814d64e03c6d941ef0a49fc377 |
| SHA512 | 252188a780bd54a12c50b2429fac0fb1c208d8101465bf59af488f9499f27f1bc0e3b5be60147ceec481a36cf5920d918561c39b291891b649d8577607e3d743 |
memory/4392-6-0x0000000010000000-0x000000001001E000-memory.dmp
memory/5052-7-0x0000000010000000-0x000000001001E000-memory.dmp
memory/4392-8-0x0000000010000000-0x000000001001E000-memory.dmp