Analysis Overview
SHA256
a3cad1520518d81cc9fa70b22a836f50f639dbb8596e21ed70136158e8d47701
Threat Level: Known bad
The file 82d70437c1f62160cd4285876fbb37ff_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Modifies WinLogon for persistence
Darkcomet
Loads dropped DLL
Executes dropped EXE
Adds Run key to start application
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-02 03:17
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-02 03:17
Reported
2024-08-02 03:20
Platform
win10v2004-20240730-en
Max time kernel
141s
Max time network
95s
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\\Favorites\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\82d70437c1f62160cd4285876fbb37ff_JaffaCakes118.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-807826884-2440573969-3755798217-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Favorites\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\82d70437c1f62160cd4285876fbb37ff_JaffaCakes118.exe | N/A |
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\82d70437c1f62160cd4285876fbb37ff_JaffaCakes118.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Processes
C:\Users\Admin\AppData\Local\Temp\82d70437c1f62160cd4285876fbb37ff_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\82d70437c1f62160cd4285876fbb37ff_JaffaCakes118.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 133.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 192.142.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
Files
memory/656-0-0x0000000000400000-0x00000000004D5150-memory.dmp
memory/656-1-0x0000000000630000-0x0000000000631000-memory.dmp
C:\Users\Admin\Favorites\MSDCSC\msdcsc.exe
| MD5 | 82d70437c1f62160cd4285876fbb37ff |
| SHA1 | 7359a23f907c57415041b294e67b68d00bc6a129 |
| SHA256 | a3cad1520518d81cc9fa70b22a836f50f639dbb8596e21ed70136158e8d47701 |
| SHA512 | 98b46781f2adb890ab31b442c755e445fbaeac50dd7ad4e80fa9b344e5af500b8788d4db40d4e5af3fcf1b96f9dd67873bf68cf026fb3b131d4d083a458318b5 |
memory/656-8-0x0000000000400000-0x00000000004D5150-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-02 03:17
Reported
2024-08-02 03:20
Platform
win7-20240705-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\\Favorites\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\82d70437c1f62160cd4285876fbb37ff_JaffaCakes118.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\Favorites\MSDCSC\msdcsc.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\82d70437c1f62160cd4285876fbb37ff_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\82d70437c1f62160cd4285876fbb37ff_JaffaCakes118.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Favorites\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\82d70437c1f62160cd4285876fbb37ff_JaffaCakes118.exe | N/A |
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\Favorites\MSDCSC\msdcsc.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\82d70437c1f62160cd4285876fbb37ff_JaffaCakes118.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\Favorites\MSDCSC\msdcsc.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2108 wrote to memory of 2776 | N/A | C:\Users\Admin\AppData\Local\Temp\82d70437c1f62160cd4285876fbb37ff_JaffaCakes118.exe | C:\Users\Admin\Favorites\MSDCSC\msdcsc.exe |
| PID 2108 wrote to memory of 2776 | N/A | C:\Users\Admin\AppData\Local\Temp\82d70437c1f62160cd4285876fbb37ff_JaffaCakes118.exe | C:\Users\Admin\Favorites\MSDCSC\msdcsc.exe |
| PID 2108 wrote to memory of 2776 | N/A | C:\Users\Admin\AppData\Local\Temp\82d70437c1f62160cd4285876fbb37ff_JaffaCakes118.exe | C:\Users\Admin\Favorites\MSDCSC\msdcsc.exe |
| PID 2108 wrote to memory of 2776 | N/A | C:\Users\Admin\AppData\Local\Temp\82d70437c1f62160cd4285876fbb37ff_JaffaCakes118.exe | C:\Users\Admin\Favorites\MSDCSC\msdcsc.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\82d70437c1f62160cd4285876fbb37ff_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\82d70437c1f62160cd4285876fbb37ff_JaffaCakes118.exe"
C:\Users\Admin\Favorites\MSDCSC\msdcsc.exe
"C:\Users\Admin\Favorites\MSDCSC\msdcsc.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | brhoom1406.no-ip.org | udp |
Files
memory/2108-0-0x0000000000400000-0x00000000004D5150-memory.dmp
memory/2108-1-0x00000000004F0000-0x00000000004F1000-memory.dmp
C:\Users\Admin\Favorites\MSDCSC\msdcsc.exe
| MD5 | 82d70437c1f62160cd4285876fbb37ff |
| SHA1 | 7359a23f907c57415041b294e67b68d00bc6a129 |
| SHA256 | a3cad1520518d81cc9fa70b22a836f50f639dbb8596e21ed70136158e8d47701 |
| SHA512 | 98b46781f2adb890ab31b442c755e445fbaeac50dd7ad4e80fa9b344e5af500b8788d4db40d4e5af3fcf1b96f9dd67873bf68cf026fb3b131d4d083a458318b5 |
memory/2108-13-0x0000000000400000-0x00000000004D5150-memory.dmp
memory/2776-14-0x0000000000400000-0x00000000004D5150-memory.dmp
memory/2776-15-0x0000000000290000-0x0000000000291000-memory.dmp
memory/2776-16-0x0000000000400000-0x00000000004D5150-memory.dmp
memory/2776-17-0x0000000000400000-0x00000000004D5150-memory.dmp
memory/2776-18-0x0000000000400000-0x00000000004D5150-memory.dmp
memory/2776-19-0x0000000000400000-0x00000000004D5150-memory.dmp
memory/2776-20-0x0000000000400000-0x00000000004D5150-memory.dmp
memory/2776-21-0x0000000000400000-0x00000000004D5150-memory.dmp
memory/2776-22-0x0000000000400000-0x00000000004D5150-memory.dmp
memory/2776-23-0x0000000000400000-0x00000000004D5150-memory.dmp
memory/2776-24-0x0000000000400000-0x00000000004D5150-memory.dmp
memory/2776-25-0x0000000000400000-0x00000000004D5150-memory.dmp
memory/2776-26-0x0000000000400000-0x00000000004D5150-memory.dmp
memory/2776-27-0x0000000000400000-0x00000000004D5150-memory.dmp
memory/2776-28-0x0000000000400000-0x00000000004D5150-memory.dmp
memory/2776-29-0x0000000000400000-0x00000000004D5150-memory.dmp
memory/2776-30-0x0000000000400000-0x00000000004D5150-memory.dmp