Analysis Overview
SHA256
ee2838108da1433383db64796eff9ea971777941028b3b7d550b27f5e3595399
Threat Level: Known bad
The file 043c80718da3e9d189d54e4a308e1cdc_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Modifies WinLogon for persistence
Darkcomet
Checks computer location settings
Loads dropped DLL
UPX packed file
Executes dropped EXE
Adds Run key to start application
Suspicious use of SetThreadContext
Enumerates physical storage devices
Unsigned PE
Suspicious use of WriteProcessMemory
Suspicious behavior: GetForegroundWindowSpam
Modifies registry class
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-22 22:49
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-22 22:49
Reported
2024-06-22 22:52
Platform
win7-20240508-en
Max time kernel
148s
Max time network
149s
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\043c80718da3e9d189d54e4a308e1cdc_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\043c80718da3e9d189d54e4a308e1cdc_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\043c80718da3e9d189d54e4a308e1cdc_JaffaCakes118.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-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Windows\CurrentVersion\Run\lsass.exe = "C:\\MSDCSC\\lsass.exe" | C:\Users\Admin\AppData\Local\Temp\043c80718da3e9d189d54e4a308e1cdc_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\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 1720 set thread context of 2152 | N/A | C:\Users\Admin\AppData\Local\Temp\043c80718da3e9d189d54e4a308e1cdc_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\043c80718da3e9d189d54e4a308e1cdc_JaffaCakes118.exe |
| PID 2596 set thread context of 2680 | 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\043c80718da3e9d189d54e4a308e1cdc_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\043c80718da3e9d189d54e4a308e1cdc_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\043c80718da3e9d189d54e4a308e1cdc_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\043c80718da3e9d189d54e4a308e1cdc_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 |
| 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 |
Files
memory/2152-11-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/1720-10-0x0000000000400000-0x000000000045E000-memory.dmp
memory/2152-12-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2152-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2152-6-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2152-5-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2152-3-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2152-1-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2152-13-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2152-14-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2152-15-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2152-16-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2152-17-0x0000000000400000-0x00000000004B7000-memory.dmp
C:\MSDCSC\lsass.exe
| MD5 | 043c80718da3e9d189d54e4a308e1cdc |
| SHA1 | b30a15110935e0055bb5e9d2315b550a7f301f23 |
| SHA256 | ee2838108da1433383db64796eff9ea971777941028b3b7d550b27f5e3595399 |
| SHA512 | 2eb9748acb52cf808ba29bc13ad8116be01b1bacbbe88573a706239e83592c3f697d136528ff506081bf32520e377823aac7c74e24621e44d809e4796278c7ea |
memory/2596-42-0x0000000000400000-0x000000000045E000-memory.dmp
memory/2680-48-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2680-47-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2680-49-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2680-50-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2680-51-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2152-52-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2680-54-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2680-55-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2680-56-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2680-58-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2680-59-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2680-61-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2680-62-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2680-64-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2680-65-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2680-67-0x0000000000400000-0x00000000004B7000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-22 22:49
Reported
2024-06-22 22:52
Platform
win10v2004-20240226-en
Max time kernel
153s
Max time network
161s
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\043c80718da3e9d189d54e4a308e1cdc_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\043c80718da3e9d189d54e4a308e1cdc_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\043c80718da3e9d189d54e4a308e1cdc_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 2432 set thread context of 404 | N/A | C:\Users\Admin\AppData\Local\Temp\043c80718da3e9d189d54e4a308e1cdc_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\043c80718da3e9d189d54e4a308e1cdc_JaffaCakes118.exe |
| PID 4816 set thread context of 2400 | 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\043c80718da3e9d189d54e4a308e1cdc_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\043c80718da3e9d189d54e4a308e1cdc_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\043c80718da3e9d189d54e4a308e1cdc_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\043c80718da3e9d189d54e4a308e1cdc_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\043c80718da3e9d189d54e4a308e1cdc_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=4136 --field-trial-handle=2744,i,16362475727591565961,3676688664819797550,262144 --variations-seed-version /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| GB | 172.217.169.74:443 | tcp | |
| US | 8.8.8.8:53 | 71.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.168.11.51.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 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | smr9.no-ip.org | udp |
| US | 13.107.253.64:443 | tcp | |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 92.12.20.2.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 | 14.227.111.52.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 | 172.214.232.199.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 | 92.16.208.104.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/404-2-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/404-1-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/404-0-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2432-6-0x0000000000400000-0x000000000045E000-memory.dmp
memory/404-5-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/404-7-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/404-8-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/404-9-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/404-10-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/404-11-0x0000000000400000-0x00000000004B7000-memory.dmp
C:\MSDCSC\lsass.exe
| MD5 | 043c80718da3e9d189d54e4a308e1cdc |
| SHA1 | b30a15110935e0055bb5e9d2315b550a7f301f23 |
| SHA256 | ee2838108da1433383db64796eff9ea971777941028b3b7d550b27f5e3595399 |
| SHA512 | 2eb9748acb52cf808ba29bc13ad8116be01b1bacbbe88573a706239e83592c3f697d136528ff506081bf32520e377823aac7c74e24621e44d809e4796278c7ea |
memory/404-48-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2400-61-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2400-63-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2400-65-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2400-62-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2400-60-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2400-59-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2400-58-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2400-57-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2400-56-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2400-55-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/4816-64-0x0000000000400000-0x000000000045E000-memory.dmp
memory/2400-66-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2400-67-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2400-68-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2400-69-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2400-70-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2400-71-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2400-72-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2400-73-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2400-74-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2400-75-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2400-76-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2400-77-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2400-78-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2400-79-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2400-80-0x0000000000400000-0x00000000004B7000-memory.dmp