Analysis Overview
SHA256
42c50b12f51d8024e8ff95635987c4762de53e13c9751d2309564caa5d3e7ed5
Threat Level: Known bad
The file 0919b6a41b7255553db07dc927daef4d_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Darkcomet
Modifies WinLogon for persistence
Loads dropped DLL
Checks computer location settings
Executes dropped EXE
Adds Run key to start application
Drops file in Windows directory
Unsigned PE
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Suspicious behavior: GetForegroundWindowSpam
Modifies registry class
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-24 14:37
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-24 14:37
Reported
2024-06-24 14:40
Platform
win7-20240508-en
Max time kernel
148s
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:\\Windows\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\0919b6a41b7255553db07dc927daef4d_JaffaCakes118.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\MSDCSC\msdcsc.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\0919b6a41b7255553db07dc927daef4d_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\0919b6a41b7255553db07dc927daef4d_JaffaCakes118.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Windows\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\0919b6a41b7255553db07dc927daef4d_JaffaCakes118.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\MSDCSC\ | C:\Users\Admin\AppData\Local\Temp\0919b6a41b7255553db07dc927daef4d_JaffaCakes118.exe | N/A |
| File created | C:\Windows\MSDCSC\msdcsc.exe | C:\Users\Admin\AppData\Local\Temp\0919b6a41b7255553db07dc927daef4d_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Windows\MSDCSC\msdcsc.exe | C:\Users\Admin\AppData\Local\Temp\0919b6a41b7255553db07dc927daef4d_JaffaCakes118.exe | N/A |
Enumerates physical storage devices
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\ko1242334818c.pcz | C:\Users\Admin\AppData\Local\Temp\0919b6a41b7255553db07dc927daef4d_JaffaCakes118.exe | N/A |
| Set value (data) | \REGISTRY\MACHINE\SOFTWARE\Classes\ko1242334818c.pcz\ = 290c3cdf3496ad99e0066e243e65205ef464b25b510713c6 | C:\Users\Admin\AppData\Local\Temp\0919b6a41b7255553db07dc927daef4d_JaffaCakes118.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\ko1242334818c.pcz | C:\Windows\MSDCSC\msdcsc.exe | N/A |
| Set value (data) | \REGISTRY\MACHINE\SOFTWARE\Classes\ko1242334818c.pcz\ = 290c3cdf3496ad99e0066e243e65205ef464b25b510713c6 | C:\Windows\MSDCSC\msdcsc.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\MSDCSC\msdcsc.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\MSDCSC\msdcsc.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1596 wrote to memory of 2128 | N/A | C:\Users\Admin\AppData\Local\Temp\0919b6a41b7255553db07dc927daef4d_JaffaCakes118.exe | C:\Windows\MSDCSC\msdcsc.exe |
| PID 1596 wrote to memory of 2128 | N/A | C:\Users\Admin\AppData\Local\Temp\0919b6a41b7255553db07dc927daef4d_JaffaCakes118.exe | C:\Windows\MSDCSC\msdcsc.exe |
| PID 1596 wrote to memory of 2128 | N/A | C:\Users\Admin\AppData\Local\Temp\0919b6a41b7255553db07dc927daef4d_JaffaCakes118.exe | C:\Windows\MSDCSC\msdcsc.exe |
| PID 1596 wrote to memory of 2128 | N/A | C:\Users\Admin\AppData\Local\Temp\0919b6a41b7255553db07dc927daef4d_JaffaCakes118.exe | C:\Windows\MSDCSC\msdcsc.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\0919b6a41b7255553db07dc927daef4d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\0919b6a41b7255553db07dc927daef4d_JaffaCakes118.exe"
C:\Windows\MSDCSC\msdcsc.exe
"C:\Windows\MSDCSC\msdcsc.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | meisam.no-ip.info | udp |
| US | 8.8.8.8:53 | meisam.no-ip.info | udp |
| US | 8.8.8.8:53 | meisam.no-ip.info | udp |
| US | 8.8.8.8:53 | meisam.no-ip.info | udp |
| US | 8.8.8.8:53 | meisam.no-ip.info | udp |
| US | 8.8.8.8:53 | meisam.no-ip.info | udp |
| US | 8.8.8.8:53 | meisam.no-ip.info | udp |
| US | 8.8.8.8:53 | meisam.no-ip.info | udp |
| US | 8.8.8.8:53 | meisam.no-ip.info | udp |
| US | 8.8.8.8:53 | meisam.no-ip.info | udp |
| US | 8.8.8.8:53 | meisam.no-ip.info | udp |
| US | 8.8.8.8:53 | meisam.no-ip.info | udp |
Files
memory/1596-0-0x0000000000400000-0x0000000000606000-memory.dmp
memory/1596-3-0x0000000000401000-0x00000000004B7000-memory.dmp
memory/1596-7-0x0000000000400000-0x0000000000606000-memory.dmp
C:\Windows\MSDCSC\msdcsc.exe
| MD5 | 0919b6a41b7255553db07dc927daef4d |
| SHA1 | 947884655361f69d6b99443f43d3819f9b08d1f1 |
| SHA256 | 42c50b12f51d8024e8ff95635987c4762de53e13c9751d2309564caa5d3e7ed5 |
| SHA512 | a0c9c048c6e55d9961991eb6c63728c77c57e78908899639bce0550e4cd66b4528d54dedd2895e610b2e03f22bfcae3705043307ef3ddc6ee6d568797c2032d1 |
memory/2128-19-0x0000000000400000-0x0000000000606000-memory.dmp
memory/1596-18-0x0000000000401000-0x00000000004B7000-memory.dmp
memory/1596-16-0x00000000062D0000-0x00000000064D6000-memory.dmp
memory/1596-15-0x0000000000400000-0x0000000000606000-memory.dmp
memory/2128-22-0x0000000000400000-0x0000000000606000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-24 14:37
Reported
2024-06-24 14:40
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:\\Windows\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\0919b6a41b7255553db07dc927daef4d_JaffaCakes118.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\0919b6a41b7255553db07dc927daef4d_JaffaCakes118.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\MSDCSC\msdcsc.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Windows\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\0919b6a41b7255553db07dc927daef4d_JaffaCakes118.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\MSDCSC\msdcsc.exe | C:\Users\Admin\AppData\Local\Temp\0919b6a41b7255553db07dc927daef4d_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Windows\MSDCSC\msdcsc.exe | C:\Users\Admin\AppData\Local\Temp\0919b6a41b7255553db07dc927daef4d_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Windows\MSDCSC\ | C:\Users\Admin\AppData\Local\Temp\0919b6a41b7255553db07dc927daef4d_JaffaCakes118.exe | N/A |
Enumerates physical storage devices
Modifies registry class
| Description | Indicator | Process | Target |
| Set value (data) | \REGISTRY\MACHINE\SOFTWARE\Classes\ko1242334818c.pcz\ = 290c3cdf3496ad99e0066e243e65205e908ee05b510713c6 | C:\Windows\MSDCSC\msdcsc.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\ko1242334818c.pcz | C:\Users\Admin\AppData\Local\Temp\0919b6a41b7255553db07dc927daef4d_JaffaCakes118.exe | N/A |
| Set value (data) | \REGISTRY\MACHINE\SOFTWARE\Classes\ko1242334818c.pcz\ = 290c3cdf3496ad99e0066e243e65205e908ee05b510713c6 | C:\Users\Admin\AppData\Local\Temp\0919b6a41b7255553db07dc927daef4d_JaffaCakes118.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ | C:\Users\Admin\AppData\Local\Temp\0919b6a41b7255553db07dc927daef4d_JaffaCakes118.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\ko1242334818c.pcz | C:\Windows\MSDCSC\msdcsc.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\MSDCSC\msdcsc.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\MSDCSC\msdcsc.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4192 wrote to memory of 3004 | N/A | C:\Users\Admin\AppData\Local\Temp\0919b6a41b7255553db07dc927daef4d_JaffaCakes118.exe | C:\Windows\MSDCSC\msdcsc.exe |
| PID 4192 wrote to memory of 3004 | N/A | C:\Users\Admin\AppData\Local\Temp\0919b6a41b7255553db07dc927daef4d_JaffaCakes118.exe | C:\Windows\MSDCSC\msdcsc.exe |
| PID 4192 wrote to memory of 3004 | N/A | C:\Users\Admin\AppData\Local\Temp\0919b6a41b7255553db07dc927daef4d_JaffaCakes118.exe | C:\Windows\MSDCSC\msdcsc.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\0919b6a41b7255553db07dc927daef4d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\0919b6a41b7255553db07dc927daef4d_JaffaCakes118.exe"
C:\Windows\MSDCSC\msdcsc.exe
"C:\Windows\MSDCSC\msdcsc.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 71.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | meisam.no-ip.info | udp |
| US | 8.8.8.8:53 | meisam.no-ip.info | udp |
| US | 8.8.8.8:53 | meisam.no-ip.info | udp |
| US | 8.8.8.8:53 | meisam.no-ip.info | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | meisam.no-ip.info | udp |
| US | 8.8.8.8:53 | meisam.no-ip.info | udp |
| US | 8.8.8.8:53 | meisam.no-ip.info | udp |
| US | 8.8.8.8:53 | meisam.no-ip.info | udp |
| US | 8.8.8.8:53 | meisam.no-ip.info | udp |
| US | 8.8.8.8:53 | meisam.no-ip.info | udp |
| US | 8.8.8.8:53 | 82.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | meisam.no-ip.info | udp |
| US | 8.8.8.8:53 | meisam.no-ip.info | udp |
| US | 8.8.8.8:53 | meisam.no-ip.info | udp |
| US | 8.8.8.8:53 | meisam.no-ip.info | udp |
| US | 8.8.8.8:53 | meisam.no-ip.info | udp |
| US | 8.8.8.8:53 | meisam.no-ip.info | udp |
| US | 8.8.8.8:53 | 31.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | meisam.no-ip.info | udp |
| US | 8.8.8.8:53 | meisam.no-ip.info | udp |
| US | 8.8.8.8:53 | meisam.no-ip.info | udp |
| US | 8.8.8.8:53 | meisam.no-ip.info | udp |
| US | 8.8.8.8:53 | meisam.no-ip.info | udp |
| US | 8.8.8.8:53 | meisam.no-ip.info | udp |
| US | 8.8.8.8:53 | meisam.no-ip.info | udp |
| US | 8.8.8.8:53 | meisam.no-ip.info | udp |
| US | 8.8.8.8:53 | meisam.no-ip.info | udp |
| US | 8.8.8.8:53 | meisam.no-ip.info | udp |
| US | 8.8.8.8:53 | meisam.no-ip.info | udp |
| US | 8.8.8.8:53 | meisam.no-ip.info | udp |
Files
memory/4192-0-0x0000000000400000-0x0000000000606000-memory.dmp
memory/4192-4-0x0000000000400000-0x0000000000606000-memory.dmp
memory/4192-3-0x0000000000401000-0x00000000004B7000-memory.dmp
C:\Windows\MSDCSC\msdcsc.exe
| MD5 | 0919b6a41b7255553db07dc927daef4d |
| SHA1 | 947884655361f69d6b99443f43d3819f9b08d1f1 |
| SHA256 | 42c50b12f51d8024e8ff95635987c4762de53e13c9751d2309564caa5d3e7ed5 |
| SHA512 | a0c9c048c6e55d9961991eb6c63728c77c57e78908899639bce0550e4cd66b4528d54dedd2895e610b2e03f22bfcae3705043307ef3ddc6ee6d568797c2032d1 |
memory/4192-67-0x0000000000401000-0x00000000004B7000-memory.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-2804150937-2146708401-419095071-1000\549b9b645cadfe6bb4bc69cf363c354c_5a32ead2-14a8-4b34-b6a3-85cfb28e2fbd
| MD5 | f97f9e17eafdd0105a4e11bafde04b40 |
| SHA1 | ba06a7abe986a61b71889b80a6f9b02b22d40667 |
| SHA256 | 4783424121e6c2f870dc931b374d20c62c764eddc5769d2f536609adc1226abb |
| SHA512 | 778c4aab55f6f0fe44dbc9a97f53b59ec8ed2e35901f77afebaea57c738ad301412760709ab909b51335ddd7676cd8f8c1410c5751f2ef5cc74282bcd6c5f50e |
memory/3004-72-0x0000000000400000-0x0000000000606000-memory.dmp
memory/4192-66-0x0000000000400000-0x0000000000606000-memory.dmp
memory/3004-75-0x0000000000400000-0x0000000000606000-memory.dmp
memory/3004-74-0x0000000000400000-0x0000000000606000-memory.dmp
memory/3004-76-0x0000000000400000-0x0000000000606000-memory.dmp
memory/3004-77-0x0000000000400000-0x0000000000606000-memory.dmp
memory/3004-78-0x0000000000400000-0x0000000000606000-memory.dmp