Analysis Overview
SHA256
05f2ba0c8763a576b91c997add1b014f0ddfb654574585c9e630e8effbe44b36
Threat Level: Likely malicious
The file e5a4cb7951f2b2411d7403a3240a454c_JaffaCakes118 was found to be: Likely malicious.
Malicious Activity Summary
Drops file in Drivers directory
Executes dropped EXE
UPX packed file
Adds Run key to start application
Drops file in Windows directory
Program crash
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-07 19:05
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 |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-07 19:05
Reported
2024-04-07 19:08
Platform
win7-20240319-en
Max time kernel
118s
Max time network
123s
Command Line
Signatures
Drops file in Drivers directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\system32\drivers\etc\hosts | C:\Users\Admin\AppData\Local\Temp\e5a4cb7951f2b2411d7403a3240a454c_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Windows\system32\drivers\etc\hosts | C:\Users\Admin\AppData\Local\Temp\e5a4cb7951f2b2411d7403a3240a454c_JaffaCakes118.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\svhost.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 |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000\Software\Microsoft\Windows\CurrentVersion\Run\$$config = "C:\\Windows\\svhost.exe" | C:\Users\Admin\AppData\Local\Temp\e5a4cb7951f2b2411d7403a3240a454c_JaffaCakes118.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\svhost.dll | C:\Users\Admin\AppData\Local\Temp\e5a4cb7951f2b2411d7403a3240a454c_JaffaCakes118.exe | N/A |
| File created | C:\Windows\svhost.exe | C:\Users\Admin\AppData\Local\Temp\e5a4cb7951f2b2411d7403a3240a454c_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Windows\svhost.exe | C:\Users\Admin\AppData\Local\Temp\e5a4cb7951f2b2411d7403a3240a454c_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1372 wrote to memory of 1316 | N/A | C:\Users\Admin\AppData\Local\Temp\e5a4cb7951f2b2411d7403a3240a454c_JaffaCakes118.exe | C:\Windows\svhost.exe |
| PID 1372 wrote to memory of 1316 | N/A | C:\Users\Admin\AppData\Local\Temp\e5a4cb7951f2b2411d7403a3240a454c_JaffaCakes118.exe | C:\Windows\svhost.exe |
| PID 1372 wrote to memory of 1316 | N/A | C:\Users\Admin\AppData\Local\Temp\e5a4cb7951f2b2411d7403a3240a454c_JaffaCakes118.exe | C:\Windows\svhost.exe |
| PID 1372 wrote to memory of 1316 | N/A | C:\Users\Admin\AppData\Local\Temp\e5a4cb7951f2b2411d7403a3240a454c_JaffaCakes118.exe | C:\Windows\svhost.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\e5a4cb7951f2b2411d7403a3240a454c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e5a4cb7951f2b2411d7403a3240a454c_JaffaCakes118.exe"
C:\Windows\svhost.exe
C:\Windows\svhost.exe
Network
Files
memory/1372-0-0x0000000000400000-0x000000000041D000-memory.dmp
memory/1372-1-0x0000000000400000-0x000000000041D000-memory.dmp
memory/1372-2-0x0000000000230000-0x0000000000232000-memory.dmp
memory/1372-5-0x0000000000230000-0x0000000000232000-memory.dmp
C:\Windows\svhost.exe
| MD5 | e5a4cb7951f2b2411d7403a3240a454c |
| SHA1 | b0fa7bfc12295ee04dce4ccf9ed98dc50ab3234e |
| SHA256 | 05f2ba0c8763a576b91c997add1b014f0ddfb654574585c9e630e8effbe44b36 |
| SHA512 | a7c3de523c5cc1e553e440d75e7b23171ee14eb1dd9bcbda44b2239bed53669a5ca9019a350fa3c951c9dce00f77b1b947164672a770cfdc8d09ec5ad838d619 |
memory/1372-14-0x0000000000270000-0x000000000028D000-memory.dmp
memory/1316-15-0x0000000000400000-0x000000000041D000-memory.dmp
memory/1372-18-0x0000000000400000-0x000000000041D000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-07 19:05
Reported
2024-04-07 19:08
Platform
win10v2004-20240319-en
Max time kernel
148s
Max time network
154s
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 |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\e5a4cb7951f2b2411d7403a3240a454c_JaffaCakes118.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\e5a4cb7951f2b2411d7403a3240a454c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e5a4cb7951f2b2411d7403a3240a454c_JaffaCakes118.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2464 -ip 2464
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2464 -s 428
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1404 --field-trial-handle=2288,i,11069632825633797559,14829202121434726371,262144 --variations-seed-version /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 20.231.121.79:80 | tcp | |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 249.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.114.53.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| GB | 13.105.221.16:443 | tcp | |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 19.229.111.52.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 | 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 | 26.173.189.20.in-addr.arpa | udp |
Files
memory/2464-0-0x0000000000400000-0x000000000041D000-memory.dmp
memory/2464-1-0x00000000006D0000-0x00000000006D2000-memory.dmp
memory/2464-2-0x0000000000400000-0x000000000041D000-memory.dmp