Analysis Overview
SHA256
9e0d50340f70d8982f94bfba72c1f031378207726da8519a80eb79835ecb8e51
Threat Level: Known bad
The file 16c9358a072835318e5dea20de26eeb0_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Darkcomet family
Darkcomet
Modifies WinLogon for persistence
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Adds Run key to start application
Unsigned PE
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-27 17:02
Signatures
Darkcomet family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-27 17:02
Reported
2024-06-27 17:04
Platform
win7-20240611-en
Max time kernel
142s
Max time network
143s
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\\DCSCMIN\\IMDCSC.exe" | C:\Users\Admin\AppData\Local\Temp\16c9358a072835318e5dea20de26eeb0_JaffaCakes118.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\16c9358a072835318e5dea20de26eeb0_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\16c9358a072835318e5dea20de26eeb0_JaffaCakes118.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Windows\CurrentVersion\Run\DarkComet RAT = "C:\\Users\\Admin\\Documents\\DCSCMIN\\IMDCSC.exe" | C:\Users\Admin\AppData\Local\Temp\16c9358a072835318e5dea20de26eeb0_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\Documents\DCSCMIN\IMDCSC.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1724 wrote to memory of 2824 | N/A | C:\Users\Admin\AppData\Local\Temp\16c9358a072835318e5dea20de26eeb0_JaffaCakes118.exe | C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe |
| PID 1724 wrote to memory of 2824 | N/A | C:\Users\Admin\AppData\Local\Temp\16c9358a072835318e5dea20de26eeb0_JaffaCakes118.exe | C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe |
| PID 1724 wrote to memory of 2824 | N/A | C:\Users\Admin\AppData\Local\Temp\16c9358a072835318e5dea20de26eeb0_JaffaCakes118.exe | C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe |
| PID 1724 wrote to memory of 2824 | N/A | C:\Users\Admin\AppData\Local\Temp\16c9358a072835318e5dea20de26eeb0_JaffaCakes118.exe | C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\16c9358a072835318e5dea20de26eeb0_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\16c9358a072835318e5dea20de26eeb0_JaffaCakes118.exe"
C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
"C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | para23.no-ip.biz | udp |
| BG | 78.159.131.80:1604 | para23.no-ip.biz | tcp |
| BG | 78.159.131.80:1604 | para23.no-ip.biz | tcp |
| BG | 78.159.131.80:1604 | para23.no-ip.biz | tcp |
| US | 8.8.8.8:53 | para23.no-ip.biz | udp |
| BG | 78.159.131.80:1604 | para23.no-ip.biz | tcp |
| BG | 78.159.131.80:1604 | para23.no-ip.biz | tcp |
| BG | 78.159.131.80:1604 | para23.no-ip.biz | tcp |
| US | 8.8.8.8:53 | para23.no-ip.biz | udp |
| BG | 78.159.131.80:1604 | para23.no-ip.biz | tcp |
Files
memory/1724-0-0x00000000003C0000-0x00000000003C1000-memory.dmp
\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
| MD5 | 16c9358a072835318e5dea20de26eeb0 |
| SHA1 | b325b5d81849ffca24996944d29a0c09c7a76f9d |
| SHA256 | 9e0d50340f70d8982f94bfba72c1f031378207726da8519a80eb79835ecb8e51 |
| SHA512 | 97d29e6672f9a8499e7d822efefddf2f0e9a8fa5f59f09485e855af9b51a41be8231979e6c30ebc15fd66a6980a13e73ff3509be2b67eebc8efabed1dc300a3b |
memory/1724-10-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/2824-11-0x0000000000250000-0x0000000000251000-memory.dmp
memory/2824-12-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/2824-14-0x0000000000400000-0x00000000004B0000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-27 17:02
Reported
2024-06-27 17:04
Platform
win10v2004-20240611-en
Max time kernel
149s
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:\\Users\\Admin\\Documents\\DCSCMIN\\IMDCSC.exe" | C:\Users\Admin\AppData\Local\Temp\16c9358a072835318e5dea20de26eeb0_JaffaCakes118.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\16c9358a072835318e5dea20de26eeb0_JaffaCakes118.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\DarkComet RAT = "C:\\Users\\Admin\\Documents\\DCSCMIN\\IMDCSC.exe" | C:\Users\Admin\AppData\Local\Temp\16c9358a072835318e5dea20de26eeb0_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\Documents\DCSCMIN\IMDCSC.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1208 wrote to memory of 3952 | N/A | C:\Users\Admin\AppData\Local\Temp\16c9358a072835318e5dea20de26eeb0_JaffaCakes118.exe | C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe |
| PID 1208 wrote to memory of 3952 | N/A | C:\Users\Admin\AppData\Local\Temp\16c9358a072835318e5dea20de26eeb0_JaffaCakes118.exe | C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe |
| PID 1208 wrote to memory of 3952 | N/A | C:\Users\Admin\AppData\Local\Temp\16c9358a072835318e5dea20de26eeb0_JaffaCakes118.exe | C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\16c9358a072835318e5dea20de26eeb0_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\16c9358a072835318e5dea20de26eeb0_JaffaCakes118.exe"
C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
"C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | para23.no-ip.biz | udp |
| BG | 78.159.131.80:1604 | para23.no-ip.biz | tcp |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| BG | 78.159.131.80:1604 | para23.no-ip.biz | tcp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 107.12.20.2.in-addr.arpa | udp |
| BG | 78.159.131.80:1604 | para23.no-ip.biz | tcp |
| US | 8.8.8.8:53 | para23.no-ip.biz | udp |
| BG | 78.159.131.80:1604 | para23.no-ip.biz | tcp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| BG | 78.159.131.80:1604 | para23.no-ip.biz | tcp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | 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 | 10.27.171.150.in-addr.arpa | udp |
| BG | 78.159.131.80:1604 | para23.no-ip.biz | tcp |
| US | 8.8.8.8:53 | para23.no-ip.biz | udp |
| BG | 78.159.131.80:1604 | para23.no-ip.biz | tcp |
| US | 8.8.8.8:53 | 214.143.182.52.in-addr.arpa | udp |
| BG | 78.159.131.80:1604 | para23.no-ip.biz | tcp |
Files
memory/1208-0-0x0000000000690000-0x0000000000691000-memory.dmp
C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
| MD5 | 16c9358a072835318e5dea20de26eeb0 |
| SHA1 | b325b5d81849ffca24996944d29a0c09c7a76f9d |
| SHA256 | 9e0d50340f70d8982f94bfba72c1f031378207726da8519a80eb79835ecb8e51 |
| SHA512 | 97d29e6672f9a8499e7d822efefddf2f0e9a8fa5f59f09485e855af9b51a41be8231979e6c30ebc15fd66a6980a13e73ff3509be2b67eebc8efabed1dc300a3b |
memory/1208-11-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/3952-13-0x00000000007C0000-0x00000000007C1000-memory.dmp
memory/3952-14-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/3952-16-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/3952-18-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/3952-20-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/3952-22-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/3952-26-0x0000000000400000-0x00000000004B0000-memory.dmp