Analysis Overview
SHA256
2d1454d5a268e0fa16368a335629f48a9f9bac0d1c8c064b5a1a9c67e36a1712
Threat Level: Known bad
The file 137216fa1bf334b302a597654ea4c2e8_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 AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-26 21:03
Signatures
Darkcomet family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-26 21:03
Reported
2024-06-26 21:06
Platform
win7-20231129-en
Max time kernel
149s
Max time network
120s
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\137216fa1bf334b302a597654ea4c2e8_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\137216fa1bf334b302a597654ea4c2e8_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\137216fa1bf334b302a597654ea4c2e8_JaffaCakes118.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\DarkComet RAT = "C:\\Users\\Admin\\Documents\\DCSCMIN\\IMDCSC.exe" | C:\Users\Admin\AppData\Local\Temp\137216fa1bf334b302a597654ea4c2e8_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 2820 wrote to memory of 2188 | N/A | C:\Users\Admin\AppData\Local\Temp\137216fa1bf334b302a597654ea4c2e8_JaffaCakes118.exe | C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe |
| PID 2820 wrote to memory of 2188 | N/A | C:\Users\Admin\AppData\Local\Temp\137216fa1bf334b302a597654ea4c2e8_JaffaCakes118.exe | C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe |
| PID 2820 wrote to memory of 2188 | N/A | C:\Users\Admin\AppData\Local\Temp\137216fa1bf334b302a597654ea4c2e8_JaffaCakes118.exe | C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe |
| PID 2820 wrote to memory of 2188 | N/A | C:\Users\Admin\AppData\Local\Temp\137216fa1bf334b302a597654ea4c2e8_JaffaCakes118.exe | C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\137216fa1bf334b302a597654ea4c2e8_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\137216fa1bf334b302a597654ea4c2e8_JaffaCakes118.exe"
C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
"C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe"
Network
| Country | Destination | Domain | Proto |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp | |
| N/A | 127.0.0.1:1604 | tcp |
Files
memory/2820-0-0x00000000001F0000-0x00000000001F1000-memory.dmp
\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
| MD5 | 137216fa1bf334b302a597654ea4c2e8 |
| SHA1 | bb863423c36a1f3139c3dede5c7624db15982c17 |
| SHA256 | 2d1454d5a268e0fa16368a335629f48a9f9bac0d1c8c064b5a1a9c67e36a1712 |
| SHA512 | 7152c4304280ad47f9990aadd078a91850fe636fbb8fcf8b5515c80d644e8fa7a2d70bbf72528cdf1a70c1ac6a411f6ddadb1f4e100ce249dd7bd101754c1229 |
memory/2820-10-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2188-11-0x00000000002A0000-0x00000000002A1000-memory.dmp
memory/2188-12-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2188-14-0x00000000002A0000-0x00000000002A1000-memory.dmp
memory/2188-15-0x0000000000400000-0x00000000004B5000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-26 21:03
Reported
2024-06-26 21:06
Platform
win10v2004-20240508-en
Max time kernel
141s
Max time network
126s
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\137216fa1bf334b302a597654ea4c2e8_JaffaCakes118.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\137216fa1bf334b302a597654ea4c2e8_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-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\DarkComet RAT = "C:\\Users\\Admin\\Documents\\DCSCMIN\\IMDCSC.exe" | C:\Users\Admin\AppData\Local\Temp\137216fa1bf334b302a597654ea4c2e8_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 2520 wrote to memory of 2908 | N/A | C:\Users\Admin\AppData\Local\Temp\137216fa1bf334b302a597654ea4c2e8_JaffaCakes118.exe | C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe |
| PID 2520 wrote to memory of 2908 | N/A | C:\Users\Admin\AppData\Local\Temp\137216fa1bf334b302a597654ea4c2e8_JaffaCakes118.exe | C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe |
| PID 2520 wrote to memory of 2908 | N/A | C:\Users\Admin\AppData\Local\Temp\137216fa1bf334b302a597654ea4c2e8_JaffaCakes118.exe | C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\137216fa1bf334b302a597654ea4c2e8_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\137216fa1bf334b302a597654ea4c2e8_JaffaCakes118.exe"
C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
"C:\Users\Admin\Documents\DCSCMIN\IMDCSC.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 --field-trial-handle=3644,i,14648456027158448592,4956305794400220180,262144 --variations-seed-version --mojo-platform-channel-handle=2668 /prefetch:8
Network
| Country | Destination | Domain | Proto |
| N/A | 127.0.0.1:1604 | tcp | |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 20.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 35.15.31.184.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 249.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
Files
memory/2520-0-0x0000000002270000-0x0000000002271000-memory.dmp
C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
| MD5 | 137216fa1bf334b302a597654ea4c2e8 |
| SHA1 | bb863423c36a1f3139c3dede5c7624db15982c17 |
| SHA256 | 2d1454d5a268e0fa16368a335629f48a9f9bac0d1c8c064b5a1a9c67e36a1712 |
| SHA512 | 7152c4304280ad47f9990aadd078a91850fe636fbb8fcf8b5515c80d644e8fa7a2d70bbf72528cdf1a70c1ac6a411f6ddadb1f4e100ce249dd7bd101754c1229 |
memory/2520-12-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2908-13-0x0000000002070000-0x0000000002071000-memory.dmp
memory/2908-14-0x0000000000400000-0x00000000004B5000-memory.dmp