Analysis Overview
SHA256
2adaac19bb91b55535a7bbfab0746e3b30cebd968d93f9c7a1f66b4ce9ded2b9
Threat Level: Known bad
The file 0181449dcfd39a69330cbd3290f969a0_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Darkcomet family
Modifies WinLogon for persistence
Darkcomet
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
UPX packed file
Adds Run key to start application
Enumerates physical storage devices
Unsigned PE
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies registry class
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-20 00:45
Signatures
Darkcomet 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: behavioral1
Detonation Overview
Submitted
2024-06-20 00:45
Reported
2024-06-20 00:48
Platform
win7-20240508-en
Max time kernel
148s
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\\Documents\\MSDCSC\\win_updates.exe" | C:\Users\Admin\AppData\Local\Temp\0181449dcfd39a69330cbd3290f969a0_JaffaCakes118.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\Documents\MSDCSC\win_updates.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\0181449dcfd39a69330cbd3290f969a0_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\Documents\MSDCSC\win_updates.exe | N/A |
| N/A | N/A | C:\Users\Admin\Documents\MSDCSC\win_updates.exe | N/A |
| N/A | N/A | C:\Users\Admin\Documents\MSDCSC\win_updates.exe | N/A |
UPX packed file
| Description | Indicator | Process | Target |
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Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Updates = "C:\\Users\\Admin\\Documents\\MSDCSC\\win_updates.exe" | C:\Users\Admin\AppData\Local\Temp\0181449dcfd39a69330cbd3290f969a0_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Updates = "C:\\Users\\Admin\\Documents\\MSDCSC\\win_updates.exe" | C:\Users\Admin\Documents\MSDCSC\win_updates.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\Documents\MSDCSC\win_updates.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\0181449dcfd39a69330cbd3290f969a0_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\0181449dcfd39a69330cbd3290f969a0_JaffaCakes118.exe"
C:\Users\Admin\Documents\MSDCSC\win_updates.exe
"C:\Users\Admin\Documents\MSDCSC\win_updates.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | extr3me.no-ip.biz | udp |
| US | 8.8.8.8:53 | extr3me.no-ip.biz | udp |
| US | 8.8.8.8:53 | extr3me.no-ip.biz | udp |
| US | 8.8.8.8:53 | extr3me.no-ip.biz | udp |
| US | 8.8.8.8:53 | extr3me.no-ip.biz | udp |
| US | 8.8.8.8:53 | extr3me.no-ip.biz | udp |
| US | 8.8.8.8:53 | extr3me.no-ip.biz | udp |
| US | 8.8.8.8:53 | extr3me.no-ip.biz | udp |
| US | 8.8.8.8:53 | extr3me.no-ip.biz | udp |
| US | 8.8.8.8:53 | extr3me.no-ip.biz | udp |
| US | 8.8.8.8:53 | extr3me.no-ip.biz | udp |
| US | 8.8.8.8:53 | extr3me.no-ip.biz | udp |
| US | 8.8.8.8:53 | extr3me.no-ip.biz | udp |
Files
memory/2284-0-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/2284-1-0x0000000000270000-0x0000000000271000-memory.dmp
C:\Users\Admin\Documents\MSDCSC\win_updates.exe
| MD5 | 0181449dcfd39a69330cbd3290f969a0 |
| SHA1 | 08354c1fd9a73dcdd4d487e8981b53628114fbfd |
| SHA256 | 2adaac19bb91b55535a7bbfab0746e3b30cebd968d93f9c7a1f66b4ce9ded2b9 |
| SHA512 | b94a3551a053e721167c16d65d47f3ba820d70431f27ec54953b33c44e5d845ec9ee59fee714aa50329bf8f4c120d5d46a428f3f1ac7952381a436a9965eed14 |
memory/2996-13-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/2284-12-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/2996-18-0x0000000000230000-0x00000000002FA000-memory.dmp
memory/2996-16-0x0000000000230000-0x00000000002FA000-memory.dmp
memory/2996-19-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/2996-20-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/2996-22-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/2996-23-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/2996-24-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/2996-26-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/2996-27-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/2996-28-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/2996-29-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/2996-31-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/2996-32-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/2996-33-0x0000000000400000-0x00000000004CA000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-20 00:45
Reported
2024-06-20 00:48
Platform
win10v2004-20240508-en
Max time kernel
150s
Max time network
151s
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\\Documents\\MSDCSC\\win_updates.exe" | C:\Users\Admin\AppData\Local\Temp\0181449dcfd39a69330cbd3290f969a0_JaffaCakes118.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\0181449dcfd39a69330cbd3290f969a0_JaffaCakes118.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\Documents\MSDCSC\win_updates.exe | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
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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\Windows Updates = "C:\\Users\\Admin\\Documents\\MSDCSC\\win_updates.exe" | C:\Users\Admin\AppData\Local\Temp\0181449dcfd39a69330cbd3290f969a0_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Updates = "C:\\Users\\Admin\\Documents\\MSDCSC\\win_updates.exe" | C:\Users\Admin\Documents\MSDCSC\win_updates.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\0181449dcfd39a69330cbd3290f969a0_JaffaCakes118.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\Documents\MSDCSC\win_updates.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1840 wrote to memory of 2332 | N/A | C:\Users\Admin\AppData\Local\Temp\0181449dcfd39a69330cbd3290f969a0_JaffaCakes118.exe | C:\Users\Admin\Documents\MSDCSC\win_updates.exe |
| PID 1840 wrote to memory of 2332 | N/A | C:\Users\Admin\AppData\Local\Temp\0181449dcfd39a69330cbd3290f969a0_JaffaCakes118.exe | C:\Users\Admin\Documents\MSDCSC\win_updates.exe |
| PID 1840 wrote to memory of 2332 | N/A | C:\Users\Admin\AppData\Local\Temp\0181449dcfd39a69330cbd3290f969a0_JaffaCakes118.exe | C:\Users\Admin\Documents\MSDCSC\win_updates.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\0181449dcfd39a69330cbd3290f969a0_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\0181449dcfd39a69330cbd3290f969a0_JaffaCakes118.exe"
C:\Users\Admin\Documents\MSDCSC\win_updates.exe
"C:\Users\Admin\Documents\MSDCSC\win_updates.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 | extr3me.no-ip.biz | udp |
| US | 8.8.8.8:53 | extr3me.no-ip.biz | udp |
| US | 8.8.8.8:53 | extr3me.no-ip.biz | udp |
| US | 8.8.8.8:53 | extr3me.no-ip.biz | udp |
| US | 8.8.8.8:53 | extr3me.no-ip.biz | udp |
| US | 8.8.8.8:53 | extr3me.no-ip.biz | udp |
| US | 8.8.8.8:53 | extr3me.no-ip.biz | udp |
| US | 8.8.8.8:53 | extr3me.no-ip.biz | udp |
| US | 8.8.8.8:53 | extr3me.no-ip.biz | udp |
| US | 8.8.8.8:53 | extr3me.no-ip.biz | udp |
| US | 8.8.8.8:53 | extr3me.no-ip.biz | udp |
| US | 8.8.8.8:53 | extr3me.no-ip.biz | udp |
| US | 8.8.8.8:53 | extr3me.no-ip.biz | udp |
Files
memory/1840-0-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/1840-1-0x00000000006E0000-0x00000000006E1000-memory.dmp
C:\Users\Admin\Documents\MSDCSC\win_updates.exe
| MD5 | 0181449dcfd39a69330cbd3290f969a0 |
| SHA1 | 08354c1fd9a73dcdd4d487e8981b53628114fbfd |
| SHA256 | 2adaac19bb91b55535a7bbfab0746e3b30cebd968d93f9c7a1f66b4ce9ded2b9 |
| SHA512 | b94a3551a053e721167c16d65d47f3ba820d70431f27ec54953b33c44e5d845ec9ee59fee714aa50329bf8f4c120d5d46a428f3f1ac7952381a436a9965eed14 |
memory/1840-64-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/2332-65-0x0000000000680000-0x0000000000681000-memory.dmp
memory/2332-66-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/2332-67-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/2332-68-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/2332-69-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/2332-70-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/2332-71-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/2332-72-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/2332-73-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/2332-74-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/2332-75-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/2332-76-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/2332-77-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/2332-78-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/2332-79-0x0000000000400000-0x00000000004CA000-memory.dmp