Analysis Overview
SHA256
3c150414bce2210ee2faa74e838a249aa91afbe6cff16b22341ed95e1c1a32ca
Threat Level: Known bad
The file JaffaCakes118_3188c375b80e8fc346df4d1e9ef6e234 was found to be: Known bad.
Malicious Activity Summary
Modifies WinLogon for persistence
Darkcomet
Darkcomet family
Sets file to hidden
Checks computer location settings
Adds Run key to start application
Drops file in System32 directory
Suspicious use of SetThreadContext
Unsigned PE
System Location Discovery: System Language Discovery
Enumerates physical storage devices
Suspicious use of SetWindowsHookEx
Views/modifies file attributes
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2025-02-28 04:18
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2025-02-28 04:18
Reported
2025-02-28 04:20
Platform
win7-20240903-en
Max time kernel
150s
Max time network
122s
Command Line
Signatures
Darkcomet
Darkcomet family
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\\k0bXCRriWkXf\\" | C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3188c375b80e8fc346df4d1e9ef6e234.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 |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\explorer = "C:\\Windows\\system32\\k0bXCRriWkXf\\" | C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3188c375b80e8fc346df4d1e9ef6e234.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\ | C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3188c375b80e8fc346df4d1e9ef6e234.exe | N/A |
| File created | C:\Windows\SysWOW64\k0bXCRriWkXf\ | C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3188c375b80e8fc346df4d1e9ef6e234.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\k0bXCRriWkXf\ | C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3188c375b80e8fc346df4d1e9ef6e234.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2380 set thread context of 2368 | N/A | C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3188c375b80e8fc346df4d1e9ef6e234.exe | C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3188c375b80e8fc346df4d1e9ef6e234.exe |
Enumerates physical storage devices
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\JaffaCakes118_3188c375b80e8fc346df4d1e9ef6e234.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3188c375b80e8fc346df4d1e9ef6e234.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\cmd.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\cmd.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\attrib.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\attrib.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3188c375b80e8fc346df4d1e9ef6e234.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3188c375b80e8fc346df4d1e9ef6e234.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3188c375b80e8fc346df4d1e9ef6e234.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\JaffaCakes118_3188c375b80e8fc346df4d1e9ef6e234.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3188c375b80e8fc346df4d1e9ef6e234.exe"
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3188c375b80e8fc346df4d1e9ef6e234.exe
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3188c375b80e8fc346df4d1e9ef6e234.exe
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3188c375b80e8fc346df4d1e9ef6e234.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\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3188c375b80e8fc346df4d1e9ef6e234.exe" +s +h
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | sever21.no-ip.org | udp |
Files
memory/2368-2-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2368-3-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2368-4-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2368-5-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2368-6-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2368-7-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2368-8-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2368-10-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2368-9-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2368-11-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2368-12-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2368-13-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2368-14-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2368-15-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2368-16-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2368-17-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2368-18-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2368-19-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2368-20-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2368-21-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2368-22-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2368-23-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2368-24-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2368-25-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2368-26-0x0000000000400000-0x00000000004B2000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2025-02-28 04:18
Reported
2025-02-28 04:20
Platform
win10v2004-20250217-en
Max time kernel
150s
Max time network
147s
Command Line
Signatures
Darkcomet
Darkcomet family
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\\k0bXCRriWkXf\\" | C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3188c375b80e8fc346df4d1e9ef6e234.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-1-5-21-1170604239-850860757-3112005715-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3188c375b80e8fc346df4d1e9ef6e234.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1170604239-850860757-3112005715-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\explorer = "C:\\Windows\\system32\\k0bXCRriWkXf\\" | C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3188c375b80e8fc346df4d1e9ef6e234.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\ | C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3188c375b80e8fc346df4d1e9ef6e234.exe | N/A |
| File created | C:\Windows\SysWOW64\k0bXCRriWkXf\ | C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3188c375b80e8fc346df4d1e9ef6e234.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\k0bXCRriWkXf\ | C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3188c375b80e8fc346df4d1e9ef6e234.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1872 set thread context of 2252 | N/A | C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3188c375b80e8fc346df4d1e9ef6e234.exe | C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3188c375b80e8fc346df4d1e9ef6e234.exe |
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\attrib.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\attrib.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3188c375b80e8fc346df4d1e9ef6e234.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3188c375b80e8fc346df4d1e9ef6e234.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\cmd.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\cmd.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3188c375b80e8fc346df4d1e9ef6e234.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3188c375b80e8fc346df4d1e9ef6e234.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3188c375b80e8fc346df4d1e9ef6e234.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\JaffaCakes118_3188c375b80e8fc346df4d1e9ef6e234.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3188c375b80e8fc346df4d1e9ef6e234.exe"
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3188c375b80e8fc346df4d1e9ef6e234.exe
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3188c375b80e8fc346df4d1e9ef6e234.exe
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3188c375b80e8fc346df4d1e9ef6e234.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\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3188c375b80e8fc346df4d1e9ef6e234.exe" +s +h
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | sever21.no-ip.org | 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 | 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 | sever21.no-ip.org | udp |
| US | 8.8.8.8:53 | sever21.no-ip.org | udp |
| US | 8.8.8.8:53 | sever21.no-ip.org | udp |
| US | 8.8.8.8:53 | sever21.no-ip.org | udp |
| US | 8.8.8.8:53 | sever21.no-ip.org | udp |
| US | 8.8.8.8:53 | sever21.no-ip.org | 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 |
| US | 8.8.8.8:53 | sever21.no-ip.org | udp |
| US | 8.8.8.8:53 | sever21.no-ip.org | udp |
| US | 8.8.8.8:53 | sever21.no-ip.org | udp |
| US | 8.8.8.8:53 | sever21.no-ip.org | udp |
| US | 8.8.8.8:53 | sever21.no-ip.org | udp |
| US | 8.8.8.8:53 | sever21.no-ip.org | udp |
| US | 8.8.8.8:53 | sever21.no-ip.org | udp |
| US | 8.8.8.8:53 | sever21.no-ip.org | udp |
| US | 8.8.8.8:53 | sever21.no-ip.org | udp |
| US | 8.8.8.8:53 | sever21.no-ip.org | udp |
| US | 8.8.8.8:53 | sever21.no-ip.org | udp |
| US | 8.8.8.8:53 | sever21.no-ip.org | udp |
| US | 8.8.8.8:53 | sever21.no-ip.org | udp |
| US | 8.8.8.8:53 | sever21.no-ip.org | udp |
| US | 8.8.8.8:53 | sever21.no-ip.org | udp |
| US | 8.8.8.8:53 | sever21.no-ip.org | udp |
| US | 8.8.8.8:53 | sever21.no-ip.org | udp |
| US | 8.8.8.8:53 | sever21.no-ip.org | udp |
| US | 8.8.8.8:53 | sever21.no-ip.org | udp |
| US | 8.8.8.8:53 | sever21.no-ip.org | udp |
| US | 8.8.8.8:53 | sever21.no-ip.org | udp |
| US | 8.8.8.8:53 | sever21.no-ip.org | udp |
| US | 8.8.8.8:53 | sever21.no-ip.org | udp |
Files
memory/2252-2-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2252-3-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2252-4-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2252-5-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2252-6-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2252-8-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2252-9-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2252-10-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2252-7-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2252-11-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2252-12-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2252-13-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2252-14-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2252-15-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2252-16-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2252-17-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2252-18-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2252-19-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2252-20-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2252-21-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2252-22-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2252-23-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2252-24-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2252-25-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2252-26-0x0000000000400000-0x00000000004B2000-memory.dmp