Analysis Overview
SHA256
cdcff159a39016096b8e853db27c3769c74a2701cc8f5449c560f635c0f1eb49
Threat Level: Known bad
The file 4971cbda2ce4bdf86dec04ac74312294_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Modifies security service
Modifies firewall policy service
Modifies WinLogon for persistence
Windows security bypass
Darkcomet
Sets file to hidden
Disables RegEdit via registry modification
Executes dropped EXE
Windows security modification
Checks computer location settings
Adds Run key to start application
Unsigned PE
Enumerates physical storage devices
Views/modifies file attributes
Modifies registry class
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious behavior: GetForegroundWindowSpam
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-05-16 04:38
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-16 04:38
Reported
2024-05-16 04:41
Platform
win7-20240221-en
Max time kernel
118s
Max time network
119s
Command Line
Signatures
Processes
C:\Users\Admin\AppData\Local\Temp\4971cbda2ce4bdf86dec04ac74312294_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\4971cbda2ce4bdf86dec04ac74312294_JaffaCakes118.exe"
Network
Files
memory/1724-0-0x000000007452E000-0x000000007452F000-memory.dmp
memory/1724-1-0x0000000001010000-0x000000000106E000-memory.dmp
memory/1724-2-0x0000000074520000-0x0000000074C0E000-memory.dmp
memory/1724-3-0x0000000074520000-0x0000000074C0E000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-16 04:38
Reported
2024-05-16 04:41
Platform
win10v2004-20240508-en
Max time kernel
150s
Max time network
149s
Command Line
Signatures
Darkcomet
Modifies WinLogon for persistence
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\AppData\\Roaming\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\Encryptado.exe | N/A |
Modifies firewall policy service
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile | C:\Users\Admin\AppData\Roaming\MSDCSC\msdcsc.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" | C:\Users\Admin\AppData\Roaming\MSDCSC\msdcsc.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0" | C:\Users\Admin\AppData\Roaming\MSDCSC\msdcsc.exe | N/A |
Modifies security service
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wscsvc\Start = "4" | C:\Users\Admin\AppData\Roaming\MSDCSC\msdcsc.exe | N/A |
Windows security bypass
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" | C:\Users\Admin\AppData\Roaming\MSDCSC\msdcsc.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" | C:\Users\Admin\AppData\Roaming\MSDCSC\msdcsc.exe | N/A |
Disables RegEdit via registry modification
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" | C:\Users\Admin\AppData\Roaming\MSDCSC\msdcsc.exe | N/A |
Sets file to hidden
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\attrib.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\attrib.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\4971cbda2ce4bdf86dec04ac74312294_JaffaCakes118.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\Encryptado.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Encryptado.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\MSDCSC\msdcsc.exe | N/A |
Windows security modification
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" | C:\Users\Admin\AppData\Roaming\MSDCSC\msdcsc.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" | C:\Users\Admin\AppData\Roaming\MSDCSC\msdcsc.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\Encryptado.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Roaming\MSDCSC\msdcsc.exe | N/A |
Enumerates physical storage devices
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ | C:\Users\Admin\AppData\Local\Temp\Encryptado.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\MSDCSC\msdcsc.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\MSDCSC\msdcsc.exe | N/A |
Suspicious use of WriteProcessMemory
Views/modifies file attributes
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\attrib.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\attrib.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\4971cbda2ce4bdf86dec04ac74312294_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\4971cbda2ce4bdf86dec04ac74312294_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\Encryptado.exe
"C:\Users\Admin\AppData\Local\Temp\Encryptado.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\Encryptado.exe" +s +h
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
C:\Windows\SysWOW64\notepad.exe
notepad
C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp\Encryptado.exe" +s +h
C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
C:\Users\Admin\AppData\Roaming\MSDCSC\msdcsc.exe
"C:\Users\Admin\AppData\Roaming\MSDCSC\msdcsc.exe"
C:\Windows\SysWOW64\notepad.exe
notepad
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 20.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | nostalehackerteam23.ddns.net | udp |
| US | 8.8.8.8:53 | nostalehackerteam23.ddns.net | udp |
| US | 8.8.8.8:53 | nostalehackerteam23.ddns.net | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | nostalehackerteam23.ddns.net | udp |
| US | 8.8.8.8:53 | nostalehackerteam23.ddns.net | udp |
| US | 8.8.8.8:53 | nostalehackerteam23.ddns.net | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | nostalehackerteam23.ddns.net | udp |
| US | 8.8.8.8:53 | nostalehackerteam23.ddns.net | udp |
| US | 8.8.8.8:53 | nostalehackerteam23.ddns.net | udp |
| US | 8.8.8.8:53 | nostalehackerteam23.ddns.net | udp |
| US | 8.8.8.8:53 | nostalehackerteam23.ddns.net | udp |
| US | 8.8.8.8:53 | nostalehackerteam23.ddns.net | udp |
| US | 8.8.8.8:53 | nostalehackerteam23.ddns.net | udp |
| US | 8.8.8.8:53 | nostalehackerteam23.ddns.net | udp |
| US | 8.8.8.8:53 | nostalehackerteam23.ddns.net | udp |
| US | 8.8.8.8:53 | nostalehackerteam23.ddns.net | udp |
| US | 8.8.8.8:53 | nostalehackerteam23.ddns.net | udp |
| US | 8.8.8.8:53 | nostalehackerteam23.ddns.net | udp |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | nostalehackerteam23.ddns.net | udp |
| US | 8.8.8.8:53 | nostalehackerteam23.ddns.net | udp |
| US | 8.8.8.8:53 | nostalehackerteam23.ddns.net | udp |
| US | 8.8.8.8:53 | nostalehackerteam23.ddns.net | udp |
| US | 8.8.8.8:53 | nostalehackerteam23.ddns.net | udp |
| US | 8.8.8.8:53 | nostalehackerteam23.ddns.net | udp |
| US | 8.8.8.8:53 | nostalehackerteam23.ddns.net | udp |
| US | 8.8.8.8:53 | nostalehackerteam23.ddns.net | udp |
| US | 8.8.8.8:53 | nostalehackerteam23.ddns.net | udp |
| US | 8.8.8.8:53 | nostalehackerteam23.ddns.net | udp |
| US | 8.8.8.8:53 | nostalehackerteam23.ddns.net | udp |
| US | 8.8.8.8:53 | nostalehackerteam23.ddns.net | udp |
Files
memory/5088-0-0x0000000074B6E000-0x0000000074B6F000-memory.dmp
memory/5088-1-0x0000000000460000-0x00000000004BE000-memory.dmp
memory/5088-2-0x0000000004E10000-0x0000000004EAC000-memory.dmp
memory/5088-3-0x0000000005460000-0x0000000005A04000-memory.dmp
memory/5088-4-0x0000000004F50000-0x0000000004FE2000-memory.dmp
memory/5088-5-0x0000000004F10000-0x0000000004F1A000-memory.dmp
memory/5088-6-0x00000000051A0000-0x00000000051F6000-memory.dmp
memory/5088-7-0x0000000074B60000-0x0000000075310000-memory.dmp
memory/5088-8-0x0000000074B60000-0x0000000075310000-memory.dmp
memory/5088-9-0x0000000074B60000-0x0000000075310000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\Encryptado.exe
| MD5 | 4480f6a6936492314fb069023d45274a |
| SHA1 | 83de4c2c45ac4f190c47c88f237761bf7bcfd248 |
| SHA256 | c7045a77c41067048f52cbe1bcce1e8dc09bb0264e4f2acbc882798272fe962d |
| SHA512 | 7b5f18719cf50cb3e41032d11efb34241f901aa1f3ddcb2ed28a29f31bd55a105747f4314a3caa1b6d0046cc6075299e35a9189781c6ba8169cdacdb67e50be2 |
memory/4884-21-0x00000000022C0000-0x00000000022C1000-memory.dmp
memory/5088-26-0x0000000074B60000-0x0000000075310000-memory.dmp
memory/4896-27-0x0000000000710000-0x0000000000711000-memory.dmp
memory/2244-86-0x0000000001290000-0x0000000001291000-memory.dmp
memory/4884-87-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/768-89-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/768-90-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/768-91-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/768-92-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/768-93-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/768-94-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/768-95-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/768-96-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/768-97-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/768-98-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/768-99-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/768-100-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/768-101-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/768-102-0x0000000000400000-0x00000000004CA000-memory.dmp