Analysis Overview
SHA256
9c56b5057c7090eed291c46b47bfd698eda09462d0e5f0e51cc1688965f7d12d
Threat Level: Shows suspicious behavior
The file 126abedf834118d54cddc6f2928782d4_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 15:10
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 15:10
Reported
2024-06-26 15:12
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 |
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\msisse.dll | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened for modification | C:\Windows\msisse.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} | 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} = "126abedf834118d54cddc6f2928782d4_JaffaCakes118.dll,1314028207,-292861188,-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 |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID | 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\126abedf834118d54cddc6f2928782d4_JaffaCakes118.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\126abedf834118d54cddc6f2928782d4_JaffaCakes118.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32 "C:\Windows\msisse.dll",_RunAs@16
Network
Files
memory/1732-0-0x0000000010000000-0x0000000010022000-memory.dmp
C:\Windows\msisse.dll
| MD5 | 126abedf834118d54cddc6f2928782d4 |
| SHA1 | 84f55cbdb236627598533cd3f471f8e542e35e8d |
| SHA256 | 9c56b5057c7090eed291c46b47bfd698eda09462d0e5f0e51cc1688965f7d12d |
| SHA512 | f4e8590b89b2f27b7eb8c1dc4ab2cb403e7a5d8958fd6e5b6a8649d2fc847509b5515387e5aadac822aaa1bad75de6913b1798faa509bdd166f9ea325d1a9867 |
memory/2980-5-0x0000000010000000-0x0000000010022000-memory.dmp
memory/2980-6-0x0000000010000000-0x0000000010022000-memory.dmp
memory/2980-7-0x0000000010000000-0x0000000010022000-memory.dmp
memory/1732-8-0x0000000010000000-0x0000000010022000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-26 15:10
Reported
2024-06-26 15:12
Platform
win10v2004-20240508-en
Max time kernel
150s
Max time network
51s
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\msisse.dll | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened for modification | C:\Windows\msisse.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} = "126abedf834118d54cddc6f2928782d4_JaffaCakes118.dll,1314028207,-292861188,-1814625877" | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3044 wrote to memory of 2364 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 3044 wrote to memory of 2364 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 3044 wrote to memory of 2364 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2364 wrote to memory of 744 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2364 wrote to memory of 744 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2364 wrote to memory of 744 | 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\126abedf834118d54cddc6f2928782d4_JaffaCakes118.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\126abedf834118d54cddc6f2928782d4_JaffaCakes118.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32 "C:\Windows\msisse.dll",_RunAs@16
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
Files
memory/2364-0-0x0000000010000000-0x0000000010022000-memory.dmp
C:\Windows\msisse.dll
| MD5 | 126abedf834118d54cddc6f2928782d4 |
| SHA1 | 84f55cbdb236627598533cd3f471f8e542e35e8d |
| SHA256 | 9c56b5057c7090eed291c46b47bfd698eda09462d0e5f0e51cc1688965f7d12d |
| SHA512 | f4e8590b89b2f27b7eb8c1dc4ab2cb403e7a5d8958fd6e5b6a8649d2fc847509b5515387e5aadac822aaa1bad75de6913b1798faa509bdd166f9ea325d1a9867 |
memory/744-6-0x0000000010000000-0x0000000010022000-memory.dmp
memory/2364-7-0x0000000010000000-0x0000000010022000-memory.dmp
memory/744-8-0x0000000010000000-0x0000000010022000-memory.dmp