Analysis Overview
SHA256
9b4ccdf21a6b12dcd13c38dd858ffd9758f94b0cf9440437281267c0571b4295
Threat Level: Known bad
The file 18a3afb1be87d046b3a123c917ec65b7_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Darkcomet
Modifies WinLogon for persistence
Checks computer location settings
UPX packed file
Executes dropped EXE
Loads dropped DLL
Adds Run key to start application
Suspicious use of SetThreadContext
Unsigned PE
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: GetForegroundWindowSpam
Modifies registry class
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-28 03:36
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-28 03:36
Reported
2024-06-28 03:39
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\\lsass.exe" | C:\Users\Admin\AppData\Local\Temp\18a3afb1be87d046b3a123c917ec65b7_JaffaCakes118.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\MSDCSC\lsass.exe | N/A |
| N/A | N/A | C:\MSDCSC\lsass.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\18a3afb1be87d046b3a123c917ec65b7_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\18a3afb1be87d046b3a123c917ec65b7_JaffaCakes118.exe | N/A |
UPX packed file
| Description | Indicator | Process | Target |
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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\lsass.exe = "C:\\MSDCSC\\lsass.exe" | C:\Users\Admin\AppData\Local\Temp\18a3afb1be87d046b3a123c917ec65b7_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Windows\CurrentVersion\Run\lsass.exe = "C:\\MSDCSC\\lsass.exe" | C:\MSDCSC\lsass.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2384 set thread context of 2412 | N/A | C:\Users\Admin\AppData\Local\Temp\18a3afb1be87d046b3a123c917ec65b7_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\18a3afb1be87d046b3a123c917ec65b7_JaffaCakes118.exe |
| PID 2724 set thread context of 2716 | N/A | C:\MSDCSC\lsass.exe | C:\MSDCSC\lsass.exe |
Enumerates physical storage devices
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\MSDCSC\lsass.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\18a3afb1be87d046b3a123c917ec65b7_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\18a3afb1be87d046b3a123c917ec65b7_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\18a3afb1be87d046b3a123c917ec65b7_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\18a3afb1be87d046b3a123c917ec65b7_JaffaCakes118.exe
C:\MSDCSC\lsass.exe
"C:\MSDCSC\lsass.exe"
C:\MSDCSC\lsass.exe
C:\MSDCSC\lsass.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | smr9.no-ip.org | udp |
Files
memory/2412-2-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2412-13-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2412-14-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2384-12-0x0000000000400000-0x000000000045E000-memory.dmp
memory/2412-5-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2412-0-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2412-8-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2412-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2412-15-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2412-17-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2412-18-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2412-16-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2412-19-0x0000000000400000-0x00000000004B7000-memory.dmp
\MSDCSC\lsass.exe
| MD5 | 18a3afb1be87d046b3a123c917ec65b7 |
| SHA1 | f8c05182e5a64ebb4deab1b50086853178365c00 |
| SHA256 | 9b4ccdf21a6b12dcd13c38dd858ffd9758f94b0cf9440437281267c0571b4295 |
| SHA512 | de8c0c99fe7584e2998df99efd8c267965ccc2907650efdb5afd9aaddf405d1dc77dd01d77f3c88c667b30e93c6bd4d85edf683a600653b4116842c01f5bfeb6 |
memory/2412-32-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2716-50-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2716-51-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2716-55-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2716-54-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2716-53-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2716-52-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2716-49-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2724-48-0x0000000000400000-0x000000000045E000-memory.dmp
memory/2716-56-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2716-57-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2716-58-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2716-59-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2716-60-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2716-61-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2716-62-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2716-63-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2716-64-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2716-65-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2716-66-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2716-67-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2716-68-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2716-69-0x0000000000400000-0x00000000004B7000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-28 03:36
Reported
2024-06-28 03:39
Platform
win10v2004-20240226-en
Max time kernel
156s
Max time network
162s
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\\lsass.exe" | C:\Users\Admin\AppData\Local\Temp\18a3afb1be87d046b3a123c917ec65b7_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\18a3afb1be87d046b3a123c917ec65b7_JaffaCakes118.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\MSDCSC\lsass.exe | N/A |
| N/A | N/A | C:\MSDCSC\lsass.exe | N/A |
UPX packed file
| Description | Indicator | Process | Target |
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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\lsass.exe = "C:\\MSDCSC\\lsass.exe" | C:\Users\Admin\AppData\Local\Temp\18a3afb1be87d046b3a123c917ec65b7_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lsass.exe = "C:\\MSDCSC\\lsass.exe" | C:\MSDCSC\lsass.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2748 set thread context of 2756 | N/A | C:\Users\Admin\AppData\Local\Temp\18a3afb1be87d046b3a123c917ec65b7_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\18a3afb1be87d046b3a123c917ec65b7_JaffaCakes118.exe |
| PID 3812 set thread context of 4640 | N/A | C:\MSDCSC\lsass.exe | C:\MSDCSC\lsass.exe |
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\18a3afb1be87d046b3a123c917ec65b7_JaffaCakes118.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\MSDCSC\lsass.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\18a3afb1be87d046b3a123c917ec65b7_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\18a3afb1be87d046b3a123c917ec65b7_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\18a3afb1be87d046b3a123c917ec65b7_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\18a3afb1be87d046b3a123c917ec65b7_JaffaCakes118.exe
C:\MSDCSC\lsass.exe
"C:\MSDCSC\lsass.exe"
C:\MSDCSC\lsass.exe
C:\MSDCSC\lsass.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=4340 --field-trial-handle=2252,i,16022092570067181109,3235558581947505669,262144 --variations-seed-version /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 68.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | smr9.no-ip.org | udp |
| US | 8.8.8.8:53 | smr9.no-ip.org | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | smr9.no-ip.org | udp |
| US | 8.8.8.8:53 | 24.139.73.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | smr9.no-ip.org | udp |
| US | 8.8.8.8:53 | smr9.no-ip.org | udp |
| US | 8.8.8.8:53 | smr9.no-ip.org | udp |
| US | 8.8.8.8:53 | smr9.no-ip.org | udp |
| US | 8.8.8.8:53 | smr9.no-ip.org | udp |
| US | 8.8.8.8:53 | smr9.no-ip.org | udp |
| US | 8.8.8.8:53 | smr9.no-ip.org | udp |
| US | 8.8.8.8:53 | smr9.no-ip.org | udp |
| US | 8.8.8.8:53 | smr9.no-ip.org | udp |
| US | 8.8.8.8:53 | smr9.no-ip.org | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | smr9.no-ip.org | udp |
| US | 8.8.8.8:53 | smr9.no-ip.org | udp |
| US | 8.8.8.8:53 | smr9.no-ip.org | udp |
| US | 8.8.8.8:53 | smr9.no-ip.org | udp |
| US | 8.8.8.8:53 | smr9.no-ip.org | udp |
| US | 8.8.8.8:53 | smr9.no-ip.org | udp |
| US | 8.8.8.8:53 | smr9.no-ip.org | udp |
| US | 8.8.8.8:53 | smr9.no-ip.org | udp |
| US | 8.8.8.8:53 | smr9.no-ip.org | udp |
| US | 8.8.8.8:53 | smr9.no-ip.org | udp |
| US | 8.8.8.8:53 | smr9.no-ip.org | udp |
| US | 8.8.8.8:53 | 24.73.42.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | smr9.no-ip.org | udp |
| US | 8.8.8.8:53 | smr9.no-ip.org | udp |
| US | 8.8.8.8:53 | smr9.no-ip.org | udp |
Files
memory/2756-2-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2756-0-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2748-5-0x0000000000400000-0x000000000045E000-memory.dmp
memory/2756-1-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2756-4-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2756-7-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2756-8-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2756-9-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2756-10-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2756-11-0x0000000000400000-0x00000000004B7000-memory.dmp
C:\MSDCSC\lsass.exe
| MD5 | 18a3afb1be87d046b3a123c917ec65b7 |
| SHA1 | f8c05182e5a64ebb4deab1b50086853178365c00 |
| SHA256 | 9b4ccdf21a6b12dcd13c38dd858ffd9758f94b0cf9440437281267c0571b4295 |
| SHA512 | de8c0c99fe7584e2998df99efd8c267965ccc2907650efdb5afd9aaddf405d1dc77dd01d77f3c88c667b30e93c6bd4d85edf683a600653b4116842c01f5bfeb6 |
memory/2756-47-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/3812-55-0x0000000000400000-0x000000000045E000-memory.dmp
memory/4640-54-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/4640-56-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/4640-57-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/4640-61-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/4640-63-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/4640-60-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/4640-59-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/4640-58-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/4640-62-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/4640-64-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/4640-65-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/4640-66-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/4640-67-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/4640-68-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/4640-69-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/4640-70-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/4640-71-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/4640-72-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/4640-73-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/4640-74-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/4640-75-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/4640-76-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/4640-77-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/4640-78-0x0000000000400000-0x00000000004B7000-memory.dmp