Analysis Overview
SHA256
9e24637f1e1139f5ced94840f5e061e9942381d5fdbf746d87fcc6a260393939
Threat Level: Known bad
The file 124e7aa73dc65c630469d046b911c8f0_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Darkcomet
Modifies WinLogon for persistence
Darkcomet family
Executes dropped EXE
Checks computer location settings
Loads dropped DLL
Adds Run key to start application
Enumerates physical storage devices
Unsigned PE
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 14:25
Signatures
Darkcomet family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-26 14:25
Reported
2024-06-26 14:28
Platform
win10v2004-20240226-en
Max time kernel
149s
Max time network
146s
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\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\124e7aa73dc65c630469d046b911c8f0_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\124e7aa73dc65c630469d046b911c8f0_JaffaCakes118.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\Documents\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:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\124e7aa73dc65c630469d046b911c8f0_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\MSDCSC\msdcsc.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4764 wrote to memory of 5060 | N/A | C:\Users\Admin\AppData\Local\Temp\124e7aa73dc65c630469d046b911c8f0_JaffaCakes118.exe | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe |
| PID 4764 wrote to memory of 5060 | N/A | C:\Users\Admin\AppData\Local\Temp\124e7aa73dc65c630469d046b911c8f0_JaffaCakes118.exe | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe |
| PID 4764 wrote to memory of 5060 | N/A | C:\Users\Admin\AppData\Local\Temp\124e7aa73dc65c630469d046b911c8f0_JaffaCakes118.exe | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\124e7aa73dc65c630469d046b911c8f0_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\124e7aa73dc65c630469d046b911c8f0_JaffaCakes118.exe"
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
"C:\Users\Admin\Documents\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=2384 --field-trial-handle=3084,i,4016110471176367543,14287608422419064331,262144 --variations-seed-version /prefetch:8
Network
| Country | Destination | Domain | Proto |
| GB | 96.16.110.114:80 | tcp | |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| N/A | 127.0.0.1:53 | tcp | |
| N/A | 127.0.0.1:5353 | tcp | |
| N/A | 127.0.0.1:53 | tcp | |
| N/A | 127.0.0.1:5353 | tcp | |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 69.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| N/A | 127.0.0.1:53 | tcp | |
| N/A | 127.0.0.1:5353 | tcp | |
| N/A | 127.0.0.1:53 | tcp | |
| US | 13.107.253.64:443 | tcp | |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 76.234.34.23.in-addr.arpa | udp |
| N/A | 127.0.0.1:5353 | tcp | |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| N/A | 127.0.0.1:53 | tcp | |
| US | 8.8.8.8:53 | 107.12.20.2.in-addr.arpa | udp |
| N/A | 127.0.0.1:5353 | tcp | |
| N/A | 127.0.0.1:53 | tcp | |
| N/A | 127.0.0.1:5353 | tcp | |
| N/A | 127.0.0.1:53 | tcp | |
| N/A | 127.0.0.1:5353 | tcp | |
| N/A | 127.0.0.1:53 | tcp | |
| N/A | 127.0.0.1:5353 | tcp | |
| N/A | 127.0.0.1:53 | tcp | |
| N/A | 127.0.0.1:5353 | tcp | |
| N/A | 127.0.0.1:53 | tcp | |
| N/A | 127.0.0.1:5353 | tcp | |
| N/A | 127.0.0.1:53 | tcp | |
| N/A | 127.0.0.1:5353 | tcp | |
| N/A | 127.0.0.1:53 | tcp | |
| N/A | 127.0.0.1:5353 | tcp | |
| N/A | 127.0.0.1:53 | tcp | |
| N/A | 127.0.0.1:5353 | tcp | |
| N/A | 127.0.0.1:53 | tcp | |
| US | 8.8.8.8:53 | 81.144.22.2.in-addr.arpa | udp |
| N/A | 127.0.0.1:5353 | tcp | |
| N/A | 127.0.0.1:53 | tcp | |
| US | 8.8.8.8:53 | 30.243.111.52.in-addr.arpa | udp |
| N/A | 127.0.0.1:5353 | tcp | |
| N/A | 127.0.0.1:53 | tcp | |
| N/A | 127.0.0.1:5353 | tcp | |
| N/A | 127.0.0.1:53 | tcp | |
| N/A | 127.0.0.1:5353 | tcp | |
| US | 8.8.8.8:53 | 73.144.22.2.in-addr.arpa | udp |
| N/A | 127.0.0.1:53 | tcp | |
| N/A | 127.0.0.1:5353 | tcp | |
| N/A | 127.0.0.1:53 | tcp | |
| N/A | 127.0.0.1:5353 | tcp | |
| N/A | 127.0.0.1:53 | tcp | |
| N/A | 127.0.0.1:5353 | tcp | |
| N/A | 127.0.0.1:53 | tcp | |
| N/A | 127.0.0.1:5353 | tcp | |
| N/A | 127.0.0.1:53 | tcp | |
| N/A | 127.0.0.1:5353 | tcp | |
| N/A | 127.0.0.1:53 | tcp | |
| N/A | 127.0.0.1:5353 | tcp | |
| N/A | 127.0.0.1:53 | tcp | |
| N/A | 127.0.0.1:5353 | tcp | |
| N/A | 127.0.0.1:53 | tcp | |
| N/A | 127.0.0.1:5353 | tcp | |
| N/A | 127.0.0.1:53 | tcp | |
| N/A | 127.0.0.1:5353 | tcp | |
| N/A | 127.0.0.1:53 | tcp | |
| N/A | 127.0.0.1:5353 | tcp | |
| N/A | 127.0.0.1:53 | tcp | |
| N/A | 127.0.0.1:5353 | tcp | |
| N/A | 127.0.0.1:53 | tcp | |
| N/A | 127.0.0.1:5353 | tcp | |
| N/A | 127.0.0.1:53 | tcp | |
| N/A | 127.0.0.1:5353 | tcp |
Files
memory/4764-0-0x0000000002390000-0x0000000002391000-memory.dmp
memory/4764-3-0x0000000000400000-0x00000000004B4000-memory.dmp
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
| MD5 | 124e7aa73dc65c630469d046b911c8f0 |
| SHA1 | cf446ce0bdecc6babb7a38d3ab8746085dc7afff |
| SHA256 | 9e24637f1e1139f5ced94840f5e061e9942381d5fdbf746d87fcc6a260393939 |
| SHA512 | e32ebd987cb2da4edff225e4347f7c7395d0bc2e27fcad6cd989b4855c06065364afedcd981f5a7190893ecdc205ad84bffe74dbdab387ef999c509ff5b83ec7 |
memory/5060-14-0x0000000002110000-0x0000000002111000-memory.dmp
memory/5060-16-0x0000000000400000-0x00000000004B4000-memory.dmp
memory/5060-17-0x0000000000400000-0x00000000004B4000-memory.dmp
memory/5060-18-0x0000000002110000-0x0000000002111000-memory.dmp
memory/5060-19-0x0000000000400000-0x00000000004B4000-memory.dmp
memory/5060-20-0x0000000000400000-0x00000000004B4000-memory.dmp
memory/5060-21-0x0000000000400000-0x00000000004B4000-memory.dmp
memory/5060-22-0x0000000000400000-0x00000000004B4000-memory.dmp
memory/5060-24-0x0000000000400000-0x00000000004B4000-memory.dmp
memory/5060-26-0x0000000000400000-0x00000000004B4000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-26 14:25
Reported
2024-06-26 14:28
Platform
win7-20240508-en
Max time kernel
149s
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\\Documents\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\124e7aa73dc65c630469d046b911c8f0_JaffaCakes118.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\124e7aa73dc65c630469d046b911c8f0_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\124e7aa73dc65c630469d046b911c8f0_JaffaCakes118.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\124e7aa73dc65c630469d046b911c8f0_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\MSDCSC\msdcsc.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2400 wrote to memory of 2992 | N/A | C:\Users\Admin\AppData\Local\Temp\124e7aa73dc65c630469d046b911c8f0_JaffaCakes118.exe | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe |
| PID 2400 wrote to memory of 2992 | N/A | C:\Users\Admin\AppData\Local\Temp\124e7aa73dc65c630469d046b911c8f0_JaffaCakes118.exe | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe |
| PID 2400 wrote to memory of 2992 | N/A | C:\Users\Admin\AppData\Local\Temp\124e7aa73dc65c630469d046b911c8f0_JaffaCakes118.exe | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe |
| PID 2400 wrote to memory of 2992 | N/A | C:\Users\Admin\AppData\Local\Temp\124e7aa73dc65c630469d046b911c8f0_JaffaCakes118.exe | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\124e7aa73dc65c630469d046b911c8f0_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\124e7aa73dc65c630469d046b911c8f0_JaffaCakes118.exe"
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
"C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
Network
| Country | Destination | Domain | Proto |
| N/A | 127.0.0.1:53 | tcp | |
| N/A | 127.0.0.1:5353 | tcp | |
| N/A | 127.0.0.1:53 | tcp | |
| N/A | 127.0.0.1:5353 | tcp | |
| N/A | 127.0.0.1:53 | tcp | |
| N/A | 127.0.0.1:5353 | tcp | |
| N/A | 127.0.0.1:53 | tcp | |
| N/A | 127.0.0.1:5353 | tcp | |
| N/A | 127.0.0.1:53 | tcp | |
| N/A | 127.0.0.1:5353 | tcp | |
| N/A | 127.0.0.1:53 | tcp | |
| N/A | 127.0.0.1:5353 | tcp | |
| N/A | 127.0.0.1:53 | tcp | |
| N/A | 127.0.0.1:5353 | tcp | |
| N/A | 127.0.0.1:53 | tcp | |
| N/A | 127.0.0.1:5353 | tcp | |
| N/A | 127.0.0.1:53 | tcp | |
| N/A | 127.0.0.1:5353 | tcp | |
| N/A | 127.0.0.1:53 | tcp | |
| N/A | 127.0.0.1:5353 | tcp | |
| N/A | 127.0.0.1:53 | tcp | |
| N/A | 127.0.0.1:5353 | tcp | |
| N/A | 127.0.0.1:53 | tcp | |
| N/A | 127.0.0.1:5353 | tcp | |
| N/A | 127.0.0.1:53 | tcp | |
| N/A | 127.0.0.1:5353 | tcp | |
| N/A | 127.0.0.1:53 | tcp | |
| N/A | 127.0.0.1:5353 | tcp | |
| N/A | 127.0.0.1:53 | tcp | |
| N/A | 127.0.0.1:5353 | tcp | |
| N/A | 127.0.0.1:53 | tcp | |
| N/A | 127.0.0.1:5353 | tcp | |
| N/A | 127.0.0.1:53 | tcp | |
| N/A | 127.0.0.1:5353 | tcp | |
| N/A | 127.0.0.1:53 | tcp | |
| N/A | 127.0.0.1:5353 | tcp | |
| N/A | 127.0.0.1:53 | tcp | |
| N/A | 127.0.0.1:5353 | tcp | |
| N/A | 127.0.0.1:53 | tcp | |
| N/A | 127.0.0.1:5353 | tcp | |
| N/A | 127.0.0.1:53 | tcp | |
| N/A | 127.0.0.1:5353 | tcp | |
| N/A | 127.0.0.1:53 | tcp | |
| N/A | 127.0.0.1:5353 | tcp | |
| N/A | 127.0.0.1:53 | tcp | |
| N/A | 127.0.0.1:5353 | tcp | |
| N/A | 127.0.0.1:53 | tcp | |
| N/A | 127.0.0.1:5353 | tcp | |
| N/A | 127.0.0.1:53 | tcp | |
| N/A | 127.0.0.1:5353 | tcp | |
| N/A | 127.0.0.1:53 | tcp | |
| N/A | 127.0.0.1:5353 | tcp | |
| N/A | 127.0.0.1:53 | tcp | |
| N/A | 127.0.0.1:5353 | tcp | |
| N/A | 127.0.0.1:53 | tcp | |
| N/A | 127.0.0.1:5353 | tcp | |
| N/A | 127.0.0.1:53 | tcp | |
| N/A | 127.0.0.1:5353 | tcp | |
| N/A | 127.0.0.1:53 | tcp | |
| N/A | 127.0.0.1:5353 | tcp | |
| N/A | 127.0.0.1:53 | tcp | |
| N/A | 127.0.0.1:5353 | tcp | |
| N/A | 127.0.0.1:53 | tcp | |
| N/A | 127.0.0.1:5353 | tcp | |
| N/A | 127.0.0.1:53 | tcp | |
| N/A | 127.0.0.1:5353 | tcp | |
| N/A | 127.0.0.1:53 | tcp | |
| N/A | 127.0.0.1:5353 | tcp | |
| N/A | 127.0.0.1:53 | tcp | |
| N/A | 127.0.0.1:5353 | tcp | |
| N/A | 127.0.0.1:53 | tcp | |
| N/A | 127.0.0.1:5353 | tcp | |
| N/A | 127.0.0.1:53 | tcp | |
| N/A | 127.0.0.1:5353 | tcp | |
| N/A | 127.0.0.1:53 | tcp | |
| N/A | 127.0.0.1:5353 | tcp | |
| N/A | 127.0.0.1:53 | tcp | |
| N/A | 127.0.0.1:5353 | tcp | |
| N/A | 127.0.0.1:53 | tcp | |
| N/A | 127.0.0.1:5353 | tcp | |
| N/A | 127.0.0.1:53 | tcp | |
| N/A | 127.0.0.1:5353 | tcp | |
| N/A | 127.0.0.1:53 | tcp | |
| N/A | 127.0.0.1:5353 | tcp | |
| N/A | 127.0.0.1:53 | tcp | |
| N/A | 127.0.0.1:5353 | tcp | |
| N/A | 127.0.0.1:53 | tcp | |
| N/A | 127.0.0.1:5353 | tcp | |
| N/A | 127.0.0.1:53 | tcp | |
| N/A | 127.0.0.1:5353 | tcp | |
| N/A | 127.0.0.1:53 | tcp | |
| N/A | 127.0.0.1:5353 | tcp | |
| N/A | 127.0.0.1:53 | tcp | |
| N/A | 127.0.0.1:5353 | tcp | |
| N/A | 127.0.0.1:53 | tcp | |
| N/A | 127.0.0.1:5353 | tcp | |
| N/A | 127.0.0.1:53 | tcp | |
| N/A | 127.0.0.1:5353 | tcp | |
| N/A | 127.0.0.1:53 | tcp | |
| N/A | 127.0.0.1:5353 | tcp | |
| N/A | 127.0.0.1:53 | tcp | |
| N/A | 127.0.0.1:5353 | tcp | |
| N/A | 127.0.0.1:53 | tcp | |
| N/A | 127.0.0.1:5353 | tcp | |
| N/A | 127.0.0.1:53 | tcp | |
| N/A | 127.0.0.1:5353 | tcp | |
| N/A | 127.0.0.1:53 | tcp | |
| N/A | 127.0.0.1:5353 | tcp | |
| N/A | 127.0.0.1:53 | tcp | |
| N/A | 127.0.0.1:5353 | tcp | |
| N/A | 127.0.0.1:53 | tcp | |
| N/A | 127.0.0.1:5353 | tcp | |
| N/A | 127.0.0.1:53 | tcp | |
| N/A | 127.0.0.1:5353 | tcp | |
| N/A | 127.0.0.1:53 | tcp | |
| N/A | 127.0.0.1:5353 | tcp | |
| N/A | 127.0.0.1:53 | tcp | |
| N/A | 127.0.0.1:5353 | tcp | |
| N/A | 127.0.0.1:53 | tcp | |
| N/A | 127.0.0.1:5353 | tcp | |
| N/A | 127.0.0.1:53 | tcp |
Files
memory/2400-0-0x0000000000320000-0x0000000000321000-memory.dmp
\Users\Admin\Documents\MSDCSC\msdcsc.exe
| MD5 | 124e7aa73dc65c630469d046b911c8f0 |
| SHA1 | cf446ce0bdecc6babb7a38d3ab8746085dc7afff |
| SHA256 | 9e24637f1e1139f5ced94840f5e061e9942381d5fdbf746d87fcc6a260393939 |
| SHA512 | e32ebd987cb2da4edff225e4347f7c7395d0bc2e27fcad6cd989b4855c06065364afedcd981f5a7190893ecdc205ad84bffe74dbdab387ef999c509ff5b83ec7 |
memory/2400-11-0x0000000000400000-0x00000000004B4000-memory.dmp
memory/2992-12-0x0000000000260000-0x0000000000261000-memory.dmp
memory/2992-13-0x0000000000400000-0x00000000004B4000-memory.dmp
memory/2992-14-0x0000000000400000-0x00000000004B4000-memory.dmp