Analysis Overview
SHA256
a43fd8a06c2276a5e95b7de56722b50229dbae0240f910e41dc61648a1cb1a70
Threat Level: Known bad
The file a9be95d3b8409da23bc493a030103339_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Modifies WinLogon for persistence
Darkcomet
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Adds Run key to start application
Drops file in Windows directory
Unsigned PE
Enumerates physical storage devices
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-14 12:45
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-14 12:45
Reported
2024-06-14 12:48
Platform
win7-20240611-en
Max time kernel
150s
Max time network
119s
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\\Local\\Temp\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\Hover.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Hover.sfx.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Hover.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Hover.sfx.exe | N/A |
| N/A | N/A | C:\Windows\Hover.sfx.exe | N/A |
| N/A | N/A | C:\Windows\Hover.sfx.exe | N/A |
| N/A | N/A | C:\Windows\Hover.sfx.exe | N/A |
| N/A | N/A | C:\Windows\Hover.sfx.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Hover.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Hover.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\Hover.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\__tmp_rar_sfx_access_check_259399710 | C:\Users\Admin\AppData\Local\Temp\a9be95d3b8409da23bc493a030103339_JaffaCakes118.exe | N/A |
| File created | C:\Windows\Hover2.bat | C:\Users\Admin\AppData\Local\Temp\a9be95d3b8409da23bc493a030103339_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Windows\Hover2.bat | C:\Users\Admin\AppData\Local\Temp\a9be95d3b8409da23bc493a030103339_JaffaCakes118.exe | N/A |
| File created | C:\Windows\Hover.sfx.exe | C:\Users\Admin\AppData\Local\Temp\a9be95d3b8409da23bc493a030103339_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Windows\Hover.sfx.exe | C:\Users\Admin\AppData\Local\Temp\a9be95d3b8409da23bc493a030103339_JaffaCakes118.exe | N/A |
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\a9be95d3b8409da23bc493a030103339_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a9be95d3b8409da23bc493a030103339_JaffaCakes118.exe"
C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Windows\Hover2.bat" "
C:\Windows\Hover.sfx.exe
Hover.sfx.exe -p8463 dC:\Users\Admin\AppData\Local\Temp
C:\Users\Admin\AppData\Local\Temp\Hover.exe
"C:\Users\Admin\AppData\Local\Temp\Hover.exe"
C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
"C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | hover22.hopto.org | udp |
Files
C:\Windows\Hover2.bat
| MD5 | fac20164d4aaef9d7ee53bc415e6a25b |
| SHA1 | 02268f1d6e11f9696b02910fa5501997d7424ebf |
| SHA256 | b9e4b7776215f446a0bc40a1891342ec1dca6a3cb4118102088d024b94529a8c |
| SHA512 | 4763e9c978a9826a9fbd402521c8732a8b0f052a45e70a2427e1a6f38744fabd94f7ae42ee5aadc9e28a61ccd144045a760f66ad86c864c70f5d1ed6aadfcec2 |
C:\Windows\Hover.sfx.exe
| MD5 | 1b869cada07bd754b969e4b55b9d9772 |
| SHA1 | de96ce73a47aa434584858a9723971488dcaef13 |
| SHA256 | cfcef1af7a0c7e0f0e7d197d013bedc4a13438097649a21c145414991a6bfbcf |
| SHA512 | 66ff4d621b1a576a1afebd9d149385d370de5aac3886cab46c7ccac3d4a713c7d6ecbcba19b73c3dc8e4d213d8212b10c4a88bf945e957aea25927b2ab9fab9a |
\Users\Admin\AppData\Local\Temp\Hover.exe
| MD5 | 930cccff8538c66463258f7fa5c878d1 |
| SHA1 | abaf26e193764fa22f14f42b02a729dc06f45772 |
| SHA256 | d5f819edfcb2759cc8de38492d15cba5c3ec737d65603191248ae03c98866f08 |
| SHA512 | c433c05395010fa56a7fc78ea4b15803ae3d4e5004b12eb3e32a14a692177e75db3d677121d0edf7278c1581fb1bd6e5f50093f470f227aff6b8057ce9db5e77 |
memory/2992-50-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/3068-51-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/3068-52-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/3068-53-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/3068-54-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/3068-55-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/3068-56-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/3068-57-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/3068-58-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/3068-59-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/3068-60-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/3068-61-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/3068-62-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/3068-63-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/3068-64-0x0000000000400000-0x00000000004B2000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-14 12:45
Reported
2024-06-14 12:48
Platform
win10v2004-20240508-en
Max time kernel
150s
Max time network
150s
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\\Local\\Temp\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\Hover.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\a9be95d3b8409da23bc493a030103339_JaffaCakes118.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation | C:\Windows\Hover.sfx.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\Hover.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Hover.sfx.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Hover.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\Hover.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\__tmp_rar_sfx_access_check_240603250 | C:\Users\Admin\AppData\Local\Temp\a9be95d3b8409da23bc493a030103339_JaffaCakes118.exe | N/A |
| File created | C:\Windows\Hover2.bat | C:\Users\Admin\AppData\Local\Temp\a9be95d3b8409da23bc493a030103339_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Windows\Hover2.bat | C:\Users\Admin\AppData\Local\Temp\a9be95d3b8409da23bc493a030103339_JaffaCakes118.exe | N/A |
| File created | C:\Windows\Hover.sfx.exe | C:\Users\Admin\AppData\Local\Temp\a9be95d3b8409da23bc493a030103339_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Windows\Hover.sfx.exe | C:\Users\Admin\AppData\Local\Temp\a9be95d3b8409da23bc493a030103339_JaffaCakes118.exe | N/A |
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\a9be95d3b8409da23bc493a030103339_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a9be95d3b8409da23bc493a030103339_JaffaCakes118.exe"
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Windows\Hover2.bat" "
C:\Windows\Hover.sfx.exe
Hover.sfx.exe -p8463 dC:\Users\Admin\AppData\Local\Temp
C:\Users\Admin\AppData\Local\Temp\Hover.exe
"C:\Users\Admin\AppData\Local\Temp\Hover.exe"
C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
"C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | hover22.hopto.org | udp |
| US | 8.8.8.8:53 | hover22.hopto.org | udp |
| US | 8.8.8.8:53 | hover22.hopto.org | udp |
| US | 8.8.8.8:53 | hover22.hopto.org | udp |
| US | 8.8.8.8:53 | hover22.hopto.org | udp |
| US | 8.8.8.8:53 | hover22.hopto.org | udp |
| US | 8.8.8.8:53 | hover22.hopto.org | udp |
| US | 8.8.8.8:53 | hover22.hopto.org | udp |
| US | 8.8.8.8:53 | hover22.hopto.org | udp |
| US | 8.8.8.8:53 | hover22.hopto.org | udp |
| US | 8.8.8.8:53 | hover22.hopto.org | udp |
| US | 8.8.8.8:53 | hover22.hopto.org | udp |
| US | 8.8.8.8:53 | hover22.hopto.org | udp |
Files
C:\Windows\Hover2.bat
| MD5 | fac20164d4aaef9d7ee53bc415e6a25b |
| SHA1 | 02268f1d6e11f9696b02910fa5501997d7424ebf |
| SHA256 | b9e4b7776215f446a0bc40a1891342ec1dca6a3cb4118102088d024b94529a8c |
| SHA512 | 4763e9c978a9826a9fbd402521c8732a8b0f052a45e70a2427e1a6f38744fabd94f7ae42ee5aadc9e28a61ccd144045a760f66ad86c864c70f5d1ed6aadfcec2 |
C:\Windows\Hover.sfx.exe
| MD5 | 1b869cada07bd754b969e4b55b9d9772 |
| SHA1 | de96ce73a47aa434584858a9723971488dcaef13 |
| SHA256 | cfcef1af7a0c7e0f0e7d197d013bedc4a13438097649a21c145414991a6bfbcf |
| SHA512 | 66ff4d621b1a576a1afebd9d149385d370de5aac3886cab46c7ccac3d4a713c7d6ecbcba19b73c3dc8e4d213d8212b10c4a88bf945e957aea25927b2ab9fab9a |
C:\Users\Admin\AppData\Local\Temp\Hover.exe
| MD5 | 930cccff8538c66463258f7fa5c878d1 |
| SHA1 | abaf26e193764fa22f14f42b02a729dc06f45772 |
| SHA256 | d5f819edfcb2759cc8de38492d15cba5c3ec737d65603191248ae03c98866f08 |
| SHA512 | c433c05395010fa56a7fc78ea4b15803ae3d4e5004b12eb3e32a14a692177e75db3d677121d0edf7278c1581fb1bd6e5f50093f470f227aff6b8057ce9db5e77 |
memory/1212-34-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/4568-35-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/4568-36-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/4568-37-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/4568-38-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/4568-39-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/4568-40-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/4568-41-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/4568-42-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/4568-43-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/4568-44-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/4568-45-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/4568-46-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/4568-47-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/4568-48-0x0000000000400000-0x00000000004B2000-memory.dmp