Analysis Overview
SHA256
a7c68d1d99f83b002c42822c3d66196c4169453d14412d117b4b3a2a8a35f3ea
Threat Level: Known bad
The file 08a08d74332c00a220bc0a4cfff82db1_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Darkcomet
Darkcomet family
Modifies WinLogon for persistence
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Adds Run key to start application
Enumerates physical storage devices
Unsigned PE
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Modifies registry class
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-20 18:25
Signatures
Darkcomet family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-20 18:25
Reported
2024-06-20 18:27
Platform
win7-20240611-en
Max time kernel
148s
Max time network
155s
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:\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\08a08d74332c00a220bc0a4cfff82db1_JaffaCakes118.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\MSDCSC\msdcsc.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\08a08d74332c00a220bc0a4cfff82db1_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\08a08d74332c00a220bc0a4cfff82db1_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\MicroUpdate = "C:\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\08a08d74332c00a220bc0a4cfff82db1_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:\MSDCSC\msdcsc.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2248 wrote to memory of 2980 | N/A | C:\Users\Admin\AppData\Local\Temp\08a08d74332c00a220bc0a4cfff82db1_JaffaCakes118.exe | C:\MSDCSC\msdcsc.exe |
| PID 2248 wrote to memory of 2980 | N/A | C:\Users\Admin\AppData\Local\Temp\08a08d74332c00a220bc0a4cfff82db1_JaffaCakes118.exe | C:\MSDCSC\msdcsc.exe |
| PID 2248 wrote to memory of 2980 | N/A | C:\Users\Admin\AppData\Local\Temp\08a08d74332c00a220bc0a4cfff82db1_JaffaCakes118.exe | C:\MSDCSC\msdcsc.exe |
| PID 2248 wrote to memory of 2980 | N/A | C:\Users\Admin\AppData\Local\Temp\08a08d74332c00a220bc0a4cfff82db1_JaffaCakes118.exe | C:\MSDCSC\msdcsc.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\08a08d74332c00a220bc0a4cfff82db1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\08a08d74332c00a220bc0a4cfff82db1_JaffaCakes118.exe"
C:\MSDCSC\msdcsc.exe
"C:\MSDCSC\msdcsc.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | skto.no-ip.org | udp |
Files
memory/2248-0-0x0000000000250000-0x0000000000251000-memory.dmp
\MSDCSC\msdcsc.exe
| MD5 | 08a08d74332c00a220bc0a4cfff82db1 |
| SHA1 | 419e2a826d0264f1b6a80a9044c1d120847234a7 |
| SHA256 | a7c68d1d99f83b002c42822c3d66196c4169453d14412d117b4b3a2a8a35f3ea |
| SHA512 | 3083f35ce9af6bc5f512e24824fce82b634a812ade8ec5ee4d84a0be5b992e8f95236b79ebadc4b9ebef8fef73ab832a512d5ea708b21de8a7dce8919aeabed2 |
memory/2248-12-0x0000000000400000-0x00000000004E6000-memory.dmp
memory/2980-13-0x0000000000400000-0x00000000004E6000-memory.dmp
memory/2980-14-0x0000000000400000-0x00000000004E6000-memory.dmp
memory/2980-15-0x0000000000400000-0x00000000004E6000-memory.dmp
memory/2980-16-0x0000000000400000-0x00000000004E6000-memory.dmp
memory/2980-17-0x0000000000400000-0x00000000004E6000-memory.dmp
memory/2980-18-0x0000000000400000-0x00000000004E6000-memory.dmp
memory/2980-19-0x0000000000400000-0x00000000004E6000-memory.dmp
memory/2980-20-0x0000000000400000-0x00000000004E6000-memory.dmp
memory/2980-21-0x0000000000400000-0x00000000004E6000-memory.dmp
memory/2980-22-0x0000000000400000-0x00000000004E6000-memory.dmp
memory/2980-23-0x0000000000400000-0x00000000004E6000-memory.dmp
memory/2980-24-0x0000000000400000-0x00000000004E6000-memory.dmp
memory/2980-25-0x0000000000400000-0x00000000004E6000-memory.dmp
memory/2980-26-0x0000000000400000-0x00000000004E6000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-20 18:25
Reported
2024-06-20 18:27
Platform
win10v2004-20240226-en
Max time kernel
152s
Max time network
156s
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:\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\08a08d74332c00a220bc0a4cfff82db1_JaffaCakes118.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\08a08d74332c00a220bc0a4cfff82db1_JaffaCakes118.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\MSDCSC\msdcsc.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\08a08d74332c00a220bc0a4cfff82db1_JaffaCakes118.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\08a08d74332c00a220bc0a4cfff82db1_JaffaCakes118.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\MSDCSC\msdcsc.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4416 wrote to memory of 2344 | N/A | C:\Users\Admin\AppData\Local\Temp\08a08d74332c00a220bc0a4cfff82db1_JaffaCakes118.exe | C:\MSDCSC\msdcsc.exe |
| PID 4416 wrote to memory of 2344 | N/A | C:\Users\Admin\AppData\Local\Temp\08a08d74332c00a220bc0a4cfff82db1_JaffaCakes118.exe | C:\MSDCSC\msdcsc.exe |
| PID 4416 wrote to memory of 2344 | N/A | C:\Users\Admin\AppData\Local\Temp\08a08d74332c00a220bc0a4cfff82db1_JaffaCakes118.exe | C:\MSDCSC\msdcsc.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\08a08d74332c00a220bc0a4cfff82db1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\08a08d74332c00a220bc0a4cfff82db1_JaffaCakes118.exe"
C:\MSDCSC\msdcsc.exe
"C:\MSDCSC\msdcsc.exe"
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3912 --field-trial-handle=2248,i,10247514684337323751,15511974759131734137,262144 --variations-seed-version /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 20.231.121.79:80 | tcp | |
| US | 8.8.8.8:53 | skto.no-ip.org | udp |
| US | 8.8.8.8:53 | skto.no-ip.org | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | skto.no-ip.org | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 13.107.246.64:443 | tcp | |
| US | 8.8.8.8:53 | skto.no-ip.org | udp |
| US | 8.8.8.8:53 | skto.no-ip.org | udp |
| US | 8.8.8.8:53 | skto.no-ip.org | udp |
| US | 8.8.8.8:53 | skto.no-ip.org | udp |
| US | 8.8.8.8:53 | skto.no-ip.org | udp |
| US | 8.8.8.8:53 | skto.no-ip.org | udp |
| US | 8.8.8.8:53 | skto.no-ip.org | udp |
| US | 8.8.8.8:53 | skto.no-ip.org | udp |
| US | 8.8.8.8:53 | 203.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | skto.no-ip.org | udp |
| US | 8.8.8.8:53 | skto.no-ip.org | udp |
| US | 8.8.8.8:53 | skto.no-ip.org | udp |
| US | 8.8.8.8:53 | 31.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | skto.no-ip.org | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | skto.no-ip.org | udp |
| US | 8.8.8.8:53 | skto.no-ip.org | udp |
| US | 8.8.8.8:53 | skto.no-ip.org | udp |
| US | 8.8.8.8:53 | skto.no-ip.org | udp |
| US | 8.8.8.8:53 | skto.no-ip.org | udp |
| US | 8.8.8.8:53 | skto.no-ip.org | udp |
| US | 8.8.8.8:53 | skto.no-ip.org | udp |
| US | 8.8.8.8:53 | skto.no-ip.org | udp |
| US | 8.8.8.8:53 | skto.no-ip.org | udp |
| US | 8.8.8.8:53 | skto.no-ip.org | udp |
| US | 8.8.8.8:53 | 210.143.182.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | skto.no-ip.org | udp |
| US | 8.8.8.8:53 | skto.no-ip.org | udp |
Files
memory/4416-0-0x00000000023C0000-0x00000000023C1000-memory.dmp
memory/4416-4-0x0000000000400000-0x00000000004E6000-memory.dmp
C:\MSDCSC\msdcsc.exe
| MD5 | 08a08d74332c00a220bc0a4cfff82db1 |
| SHA1 | 419e2a826d0264f1b6a80a9044c1d120847234a7 |
| SHA256 | a7c68d1d99f83b002c42822c3d66196c4169453d14412d117b4b3a2a8a35f3ea |
| SHA512 | 3083f35ce9af6bc5f512e24824fce82b634a812ade8ec5ee4d84a0be5b992e8f95236b79ebadc4b9ebef8fef73ab832a512d5ea708b21de8a7dce8919aeabed2 |
memory/2344-63-0x0000000002160000-0x0000000002161000-memory.dmp
memory/2344-65-0x0000000000400000-0x00000000004E6000-memory.dmp
memory/2344-66-0x0000000000400000-0x00000000004E6000-memory.dmp
memory/2344-67-0x0000000000400000-0x00000000004E6000-memory.dmp
memory/2344-68-0x0000000000400000-0x00000000004E6000-memory.dmp
memory/2344-69-0x0000000000400000-0x00000000004E6000-memory.dmp
memory/2344-70-0x0000000000400000-0x00000000004E6000-memory.dmp
memory/2344-71-0x0000000000400000-0x00000000004E6000-memory.dmp
memory/2344-72-0x0000000000400000-0x00000000004E6000-memory.dmp
memory/2344-73-0x0000000000400000-0x00000000004E6000-memory.dmp
memory/2344-74-0x0000000000400000-0x00000000004E6000-memory.dmp
memory/2344-75-0x0000000000400000-0x00000000004E6000-memory.dmp
memory/2344-76-0x0000000000400000-0x00000000004E6000-memory.dmp