Analysis Overview
SHA256
8c2df3f9cdcef9fd08faf79d1d8eb233e8e5daf3fab6689d67445120ddd2ba7b
Threat Level: Known bad
The file 89673c1d2e00671c71a2ab8037cb7da3_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Modifies WinLogon for persistence
Darkcomet
Loads dropped DLL
Executes dropped EXE
Checks computer location settings
Adds Run key to start application
Suspicious use of SetThreadContext
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies registry class
Suspicious behavior: GetForegroundWindowSpam
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-11 06:49
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-11 06:49
Reported
2024-08-11 06:52
Platform
win10v2004-20240802-en
Max time kernel
150s
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\89673c1d2e00671c71a2ab8037cb7da3_JaffaCakes118.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\89673c1d2e00671c71a2ab8037cb7da3_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 |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lsass.exe = "C:\\MSDCSC\\lsass.exe" | C:\Users\Admin\AppData\Local\Temp\89673c1d2e00671c71a2ab8037cb7da3_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\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 4304 set thread context of 3768 | N/A | C:\Users\Admin\AppData\Local\Temp\89673c1d2e00671c71a2ab8037cb7da3_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\89673c1d2e00671c71a2ab8037cb7da3_JaffaCakes118.exe |
| PID 3636 set thread context of 620 | N/A | C:\MSDCSC\lsass.exe | C:\MSDCSC\lsass.exe |
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\89673c1d2e00671c71a2ab8037cb7da3_JaffaCakes118.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\89673c1d2e00671c71a2ab8037cb7da3_JaffaCakes118.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\MSDCSC\lsass.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\MSDCSC\lsass.exe | N/A |
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\89673c1d2e00671c71a2ab8037cb7da3_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\89673c1d2e00671c71a2ab8037cb7da3_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\89673c1d2e00671c71a2ab8037cb7da3_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\89673c1d2e00671c71a2ab8037cb7da3_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\89673c1d2e00671c71a2ab8037cb7da3_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 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.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 |
| US | 8.8.8.8:53 | 13.86.106.20.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 |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 192.142.123.92.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 | 0.205.248.87.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 | 81.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 48.229.111.52.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 | tse1.mm.bing.net | udp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 10.27.171.150.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 |
Files
memory/3768-1-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/3768-8-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/3768-10-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/3768-7-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/3768-12-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/3768-6-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/3768-4-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/3768-2-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/3768-0-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/4304-11-0x0000000000400000-0x00000000004E6000-memory.dmp
memory/3768-16-0x0000000002340000-0x0000000002341000-memory.dmp
C:\MSDCSC\lsass.exe
| MD5 | 89673c1d2e00671c71a2ab8037cb7da3 |
| SHA1 | b13a9c7bbcd79cd38b6182da0c22a7426784f0c3 |
| SHA256 | 8c2df3f9cdcef9fd08faf79d1d8eb233e8e5daf3fab6689d67445120ddd2ba7b |
| SHA512 | 31ac5a99a22f8168e748ebf21b44b7d926381835715626d234fbe2055e1e0a5be150db94469acff357fbf6a5cbd5ce359d20256107a6fffa9c3c591af776ff68 |
memory/3768-49-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/620-62-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/620-67-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/3636-66-0x0000000000400000-0x00000000004E6000-memory.dmp
memory/620-64-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/620-65-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/620-63-0x0000000002330000-0x0000000002331000-memory.dmp
memory/620-68-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/620-69-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/620-70-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/620-71-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/620-72-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/620-73-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/620-74-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/620-75-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/620-76-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/620-77-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/620-78-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/620-79-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/620-80-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/620-81-0x0000000000400000-0x00000000004B2000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-11 06:49
Reported
2024-08-11 06:52
Platform
win7-20240708-en
Max time kernel
149s
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\89673c1d2e00671c71a2ab8037cb7da3_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\89673c1d2e00671c71a2ab8037cb7da3_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\89673c1d2e00671c71a2ab8037cb7da3_JaffaCakes118.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Windows\CurrentVersion\Run\lsass.exe = "C:\\MSDCSC\\lsass.exe" | C:\Users\Admin\AppData\Local\Temp\89673c1d2e00671c71a2ab8037cb7da3_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000\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 1732 set thread context of 1980 | N/A | C:\Users\Admin\AppData\Local\Temp\89673c1d2e00671c71a2ab8037cb7da3_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\89673c1d2e00671c71a2ab8037cb7da3_JaffaCakes118.exe |
| PID 2872 set thread context of 2916 | N/A | C:\MSDCSC\lsass.exe | C:\MSDCSC\lsass.exe |
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\89673c1d2e00671c71a2ab8037cb7da3_JaffaCakes118.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\89673c1d2e00671c71a2ab8037cb7da3_JaffaCakes118.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\MSDCSC\lsass.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\MSDCSC\lsass.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\89673c1d2e00671c71a2ab8037cb7da3_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\89673c1d2e00671c71a2ab8037cb7da3_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\89673c1d2e00671c71a2ab8037cb7da3_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\89673c1d2e00671c71a2ab8037cb7da3_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/1980-0-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/1980-4-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/1732-28-0x0000000000400000-0x00000000004E6000-memory.dmp
memory/1980-30-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/1980-31-0x0000000000280000-0x0000000000281000-memory.dmp
memory/1980-25-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/1980-24-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/1980-21-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/1980-15-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/1980-29-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/1980-11-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/1980-7-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/1980-2-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/1980-18-0x0000000000400000-0x00000000004B2000-memory.dmp
C:\MSDCSC\lsass.exe
| MD5 | 89673c1d2e00671c71a2ab8037cb7da3 |
| SHA1 | b13a9c7bbcd79cd38b6182da0c22a7426784f0c3 |
| SHA256 | 8c2df3f9cdcef9fd08faf79d1d8eb233e8e5daf3fab6689d67445120ddd2ba7b |
| SHA512 | 31ac5a99a22f8168e748ebf21b44b7d926381835715626d234fbe2055e1e0a5be150db94469acff357fbf6a5cbd5ce359d20256107a6fffa9c3c591af776ff68 |
memory/1980-43-0x00000000004C0000-0x0000000000527000-memory.dmp
memory/1980-44-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2872-74-0x0000000000400000-0x00000000004E6000-memory.dmp
memory/2916-77-0x0000000000400000-0x00000000004B2000-memory.dmp