Analysis Overview
SHA256
18ce12cddd466ba96a7ba44b34cae65fa5ec5c299eee2f6610b52d067b644b01
Threat Level: Known bad
The file 6514941d256a48e46e81a83923b006a7_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Windows security bypass
Darkcomet
Modifies security service
Modifies WinLogon for persistence
Sets file to hidden
Loads dropped DLL
Executes dropped EXE
Identifies Wine through registry keys
Windows security modification
Adds Run key to start application
Drops file in System32 directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Enumerates physical storage devices
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious behavior: GetForegroundWindowSpam
Views/modifies file attributes
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-07-22 22:39
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-07-22 22:39
Reported
2024-07-22 23:30
Platform
win7-20240708-en
Max time kernel
150s
Max time network
153s
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:\\Windows\\system32\\MSDCSC\\mscos.exe" | C:\Users\Admin\AppData\Local\Temp\6514941d256a48e46e81a83923b006a7_JaffaCakes118.exe | N/A |
Modifies security service
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Start = "4" | C:\Windows\SysWOW64\MSDCSC\mscos.exe | N/A |
Windows security bypass
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" | C:\Windows\SysWOW64\MSDCSC\mscos.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" | C:\Windows\SysWOW64\MSDCSC\mscos.exe | N/A |
Sets file to hidden
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\attrib.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\MSDCSC\mscos.exe | N/A |
Identifies Wine through registry keys
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Wine | C:\Users\Admin\AppData\Local\Temp\6514941d256a48e46e81a83923b006a7_JaffaCakes118.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Wine | C:\Windows\SysWOW64\MSDCSC\mscos.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\6514941d256a48e46e81a83923b006a7_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\6514941d256a48e46e81a83923b006a7_JaffaCakes118.exe | N/A |
Windows security modification
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" | C:\Windows\SysWOW64\MSDCSC\mscos.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" | C:\Windows\SysWOW64\MSDCSC\mscos.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Windows\\system32\\MSDCSC\\mscos.exe" | C:\Users\Admin\AppData\Local\Temp\6514941d256a48e46e81a83923b006a7_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Windows\\system32\\MSDCSC\\mscos.exe" | C:\Windows\SysWOW64\MSDCSC\mscos.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\MSDCSC\mscos.exe | C:\Users\Admin\AppData\Local\Temp\6514941d256a48e46e81a83923b006a7_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\MSDCSC\mscos.exe | C:\Users\Admin\AppData\Local\Temp\6514941d256a48e46e81a83923b006a7_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\MSDCSC\ | C:\Users\Admin\AppData\Local\Temp\6514941d256a48e46e81a83923b006a7_JaffaCakes118.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\6514941d256a48e46e81a83923b006a7_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\MSDCSC\mscos.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\6514941d256a48e46e81a83923b006a7_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\MSDCSC\mscos.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\MSDCSC\mscos.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\MSDCSC\mscos.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 |
Processes
C:\Users\Admin\AppData\Local\Temp\6514941d256a48e46e81a83923b006a7_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\6514941d256a48e46e81a83923b006a7_JaffaCakes118.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
C:\Windows\SysWOW64\MSDCSC\mscos.exe
"C:\Windows\system32\MSDCSC\mscos.exe"
C:\Windows\SysWOW64\notepad.exe
notepad
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | gogo.no-ip.biz | udp |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp |
Files
memory/2148-1-0x0000000000400000-0x0000000000798515-memory.dmp
memory/2148-0-0x0000000000668000-0x0000000000799000-memory.dmp
memory/2148-2-0x0000000000400000-0x0000000000798515-memory.dmp
memory/2148-3-0x0000000000401000-0x000000000044F000-memory.dmp
memory/2148-5-0x0000000000400000-0x0000000000798515-memory.dmp
memory/2148-4-0x0000000000400000-0x0000000000798515-memory.dmp
memory/2148-6-0x0000000000400000-0x0000000000798515-memory.dmp
memory/2148-11-0x0000000000400000-0x0000000000798515-memory.dmp
memory/2148-12-0x0000000000400000-0x0000000000798515-memory.dmp
memory/2148-10-0x0000000000400000-0x0000000000798515-memory.dmp
memory/2148-9-0x0000000000400000-0x0000000000798515-memory.dmp
memory/2148-8-0x0000000000400000-0x0000000000798515-memory.dmp
memory/2148-7-0x0000000000400000-0x0000000000798515-memory.dmp
\Windows\SysWOW64\MSDCSC\mscos.exe
| MD5 | 6514941d256a48e46e81a83923b006a7 |
| SHA1 | 484b14c4b8390ca60ff9f6a0b8c9ec17d2f00658 |
| SHA256 | 18ce12cddd466ba96a7ba44b34cae65fa5ec5c299eee2f6610b52d067b644b01 |
| SHA512 | 32984fa2dc64b968d52eeb814e6f736b6e4584e9da4087809c252a7970a5504b465d50b816cecb8319fff590c97e6fdd4c73889bfa72a32e4644a3d7e92b9b59 |
memory/2148-23-0x0000000007B90000-0x0000000007F29000-memory.dmp
memory/1284-26-0x0000000000400000-0x0000000000798515-memory.dmp
memory/2148-22-0x0000000007B90000-0x0000000007F29000-memory.dmp
memory/1284-27-0x0000000000400000-0x0000000000798515-memory.dmp
memory/2148-29-0x0000000000400000-0x0000000000798515-memory.dmp
memory/2680-69-0x0000000000220000-0x0000000000221000-memory.dmp
memory/2680-31-0x00000000000C0000-0x00000000000C1000-memory.dmp
memory/1284-70-0x0000000000400000-0x0000000000798515-memory.dmp
memory/1284-71-0x0000000000400000-0x0000000000798515-memory.dmp
memory/1284-72-0x0000000000400000-0x0000000000798515-memory.dmp
memory/1284-73-0x0000000000400000-0x0000000000798515-memory.dmp
memory/1284-74-0x0000000000400000-0x0000000000798515-memory.dmp
memory/1284-75-0x0000000000400000-0x0000000000798515-memory.dmp
memory/1284-76-0x0000000000400000-0x0000000000798515-memory.dmp
memory/1284-77-0x0000000000400000-0x0000000000798515-memory.dmp
memory/1284-78-0x0000000000400000-0x0000000000798515-memory.dmp
memory/1284-79-0x0000000000400000-0x0000000000798515-memory.dmp
memory/1284-80-0x0000000000400000-0x0000000000798515-memory.dmp
memory/1284-81-0x0000000000400000-0x0000000000798515-memory.dmp
memory/1284-82-0x0000000000400000-0x0000000000798515-memory.dmp
memory/1284-83-0x0000000000400000-0x0000000000798515-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-07-22 22:39
Reported
2024-07-22 23:26
Platform
win10v2004-20240709-en
Max time kernel
150s
Max time network
151s
Command Line
Signatures
Identifies Wine through registry keys
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-384068567-2943195810-3631207890-1000\Software\Wine | C:\Users\Admin\AppData\Local\Temp\6514941d256a48e46e81a83923b006a7_JaffaCakes118.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\6514941d256a48e46e81a83923b006a7_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\6514941d256a48e46e81a83923b006a7_JaffaCakes118.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | udp |
Files
memory/4940-1-0x0000000000400000-0x0000000000798515-memory.dmp
memory/4940-0-0x0000000000668000-0x0000000000799000-memory.dmp
memory/4940-2-0x0000000000400000-0x0000000000798515-memory.dmp