Analysis Overview
SHA256
75c807421a03eb1495cb7260a91160613bb43038692eb603eefc06668ddd3bd8
Threat Level: Known bad
The file c0041d5bd95bd8c6ddc4ef72887b84dc_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Cybergate family
CyberGate, Rebhip
Adds policy Run key to start application
Boot or Logon Autostart Execution: Active Setup
UPX packed file
Drops file in System32 directory
System Location Discovery: System Language Discovery
Unsigned PE
Program crash
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-25 05:11
Signatures
Cybergate family
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: behavioral2
Detonation Overview
Submitted
2024-08-25 05:11
Reported
2024-08-25 05:14
Platform
win10v2004-20240802-en
Max time kernel
133s
Max time network
127s
Command Line
Signatures
CyberGate, Rebhip
Adds policy Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Policies = "C:\\Windows\\system32\\install\\javaser.exe" | C:\Users\Admin\AppData\Local\Temp\c0041d5bd95bd8c6ddc4ef72887b84dc_JaffaCakes118.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run | C:\Users\Admin\AppData\Local\Temp\c0041d5bd95bd8c6ddc4ef72887b84dc_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Policies = "C:\\Windows\\system32\\install\\javaser.exe" | C:\Users\Admin\AppData\Local\Temp\c0041d5bd95bd8c6ddc4ef72887b84dc_JaffaCakes118.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run | C:\Users\Admin\AppData\Local\Temp\c0041d5bd95bd8c6ddc4ef72887b84dc_JaffaCakes118.exe | N/A |
Boot or Logon Autostart Execution: Active Setup
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{P5EKW113-I401-BMVS-LB3Q-H27N3QBO75YD} | C:\Users\Admin\AppData\Local\Temp\c0041d5bd95bd8c6ddc4ef72887b84dc_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{P5EKW113-I401-BMVS-LB3Q-H27N3QBO75YD}\StubPath = "C:\\Windows\\system32\\install\\javaser.exe Restart" | C:\Users\Admin\AppData\Local\Temp\c0041d5bd95bd8c6ddc4ef72887b84dc_JaffaCakes118.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 |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\install\javaser.exe | C:\Users\Admin\AppData\Local\Temp\c0041d5bd95bd8c6ddc4ef72887b84dc_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\install\javaser.exe | C:\Users\Admin\AppData\Local\Temp\c0041d5bd95bd8c6ddc4ef72887b84dc_JaffaCakes118.exe | N/A |
Program crash
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\c0041d5bd95bd8c6ddc4ef72887b84dc_JaffaCakes118.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c0041d5bd95bd8c6ddc4ef72887b84dc_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c0041d5bd95bd8c6ddc4ef72887b84dc_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\c0041d5bd95bd8c6ddc4ef72887b84dc_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c0041d5bd95bd8c6ddc4ef72887b84dc_JaffaCakes118.exe"
C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 32 -ip 32
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 32 -s 556
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 32 -ip 32
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 32 -s 572
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 --field-trial-handle=3996,i,1729213506309163284,12809566808978835441,262144 --variations-seed-version --mojo-platform-channel-handle=3860 /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 228.249.119.40.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 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 64.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 44.56.20.217.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.169.31.20.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 |
Files
memory/32-0-0x0000000000400000-0x000000000046B000-memory.dmp
memory/32-3-0x0000000024010000-0x0000000024072000-memory.dmp
memory/32-7-0x0000000000400000-0x000000000046B000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-25 05:11
Reported
2024-08-25 05:14
Platform
win7-20240708-en
Max time kernel
117s
Max time network
117s
Command Line
Signatures
CyberGate, Rebhip
Adds policy Run key to start application
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run | C:\Users\Admin\AppData\Local\Temp\c0041d5bd95bd8c6ddc4ef72887b84dc_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Policies = "C:\\Windows\\system32\\install\\javaser.exe" | C:\Users\Admin\AppData\Local\Temp\c0041d5bd95bd8c6ddc4ef72887b84dc_JaffaCakes118.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run | C:\Users\Admin\AppData\Local\Temp\c0041d5bd95bd8c6ddc4ef72887b84dc_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Policies = "C:\\Windows\\system32\\install\\javaser.exe" | C:\Users\Admin\AppData\Local\Temp\c0041d5bd95bd8c6ddc4ef72887b84dc_JaffaCakes118.exe | N/A |
Boot or Logon Autostart Execution: Active Setup
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{P5EKW113-I401-BMVS-LB3Q-H27N3QBO75YD}\StubPath = "C:\\Windows\\system32\\install\\javaser.exe Restart" | C:\Users\Admin\AppData\Local\Temp\c0041d5bd95bd8c6ddc4ef72887b84dc_JaffaCakes118.exe | N/A |
| Key created | \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{P5EKW113-I401-BMVS-LB3Q-H27N3QBO75YD} | C:\Users\Admin\AppData\Local\Temp\c0041d5bd95bd8c6ddc4ef72887b84dc_JaffaCakes118.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 |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\install\javaser.exe | C:\Users\Admin\AppData\Local\Temp\c0041d5bd95bd8c6ddc4ef72887b84dc_JaffaCakes118.exe | N/A |
| File created | C:\Windows\SysWOW64\install\javaser.exe | C:\Users\Admin\AppData\Local\Temp\c0041d5bd95bd8c6ddc4ef72887b84dc_JaffaCakes118.exe | N/A |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\c0041d5bd95bd8c6ddc4ef72887b84dc_JaffaCakes118.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c0041d5bd95bd8c6ddc4ef72887b84dc_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\c0041d5bd95bd8c6ddc4ef72887b84dc_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c0041d5bd95bd8c6ddc4ef72887b84dc_JaffaCakes118.exe"
C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe"
Network
Files
memory/1596-0-0x0000000000400000-0x000000000046B000-memory.dmp
memory/1596-3-0x0000000024010000-0x0000000024072000-memory.dmp
memory/1596-8-0x0000000000400000-0x000000000046B000-memory.dmp