Analysis Overview
SHA256
30d0a1ce69c85c51d3a09ae7003a047e95fbbfded828c1193e1c303f7d69d22c
Threat Level: Known bad
The file 0099cec4c517733c046c65fc58f94e4a_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Modifies WinLogon for persistence
Darkcomet family
Darkcomet
Executes dropped EXE
Loads dropped DLL
Checks computer location settings
Adds Run key to start application
Suspicious use of SetThreadContext
Enumerates physical storage devices
Unsigned PE
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-19 21:31
Signatures
Darkcomet family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-19 21:31
Reported
2024-06-19 21:34
Platform
win10v2004-20240611-en
Max time kernel
150s
Max time network
148s
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\0099cec4c517733c046c65fc58f94e4a_JaffaCakes118.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\0099cec4c517733c046c65fc58f94e4a_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-1-5-21-2447855248-390457009-3660902674-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\0099cec4c517733c046c65fc58f94e4a_JaffaCakes118.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3608 set thread context of 2832 | N/A | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | C:\Program Files (x86)\Internet Explorer\iexplore.exe |
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Internet Explorer\iexplore.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\0099cec4c517733c046c65fc58f94e4a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\0099cec4c517733c046c65fc58f94e4a_JaffaCakes118.exe"
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
"C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
C:\Program Files (x86)\Internet Explorer\iexplore.exe
"C:\Program Files (x86)\Internet Explorer\iexplore.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | myrat.no-ip.org | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 13.107.21.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 68.159.190.20.in-addr.arpa | udp |
| BE | 23.41.178.107:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 107.178.41.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | myrat.no-ip.org | udp |
| US | 8.8.8.8:53 | myrat.no-ip.org | udp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | myrat.no-ip.org | udp |
| US | 8.8.8.8:53 | myrat.no-ip.org | udp |
| US | 8.8.8.8:53 | myrat.no-ip.org | udp |
| US | 8.8.8.8:53 | myrat.no-ip.org | udp |
| 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 | 107.12.20.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | myrat.no-ip.org | udp |
| US | 8.8.8.8:53 | myrat.no-ip.org | udp |
| US | 8.8.8.8:53 | myrat.no-ip.org | udp |
| US | 8.8.8.8:53 | myrat.no-ip.org | udp |
| US | 8.8.8.8:53 | myrat.no-ip.org | udp |
| US | 8.8.8.8:53 | myrat.no-ip.org | udp |
| US | 8.8.8.8:53 | myrat.no-ip.org | udp |
| US | 8.8.8.8:53 | myrat.no-ip.org | udp |
| US | 8.8.8.8:53 | myrat.no-ip.org | udp |
| US | 8.8.8.8:53 | myrat.no-ip.org | udp |
| US | 8.8.8.8:53 | myrat.no-ip.org | udp |
| US | 8.8.8.8:53 | myrat.no-ip.org | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | myrat.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 | 8.8.8.8:53 | myrat.no-ip.org | udp |
| US | 8.8.8.8:53 | 10.27.171.150.in-addr.arpa | udp |
| US | 8.8.8.8:53 | myrat.no-ip.org | udp |
| US | 8.8.8.8:53 | myrat.no-ip.org | udp |
| US | 8.8.8.8:53 | myrat.no-ip.org | udp |
| US | 8.8.8.8:53 | myrat.no-ip.org | udp |
| US | 8.8.8.8:53 | myrat.no-ip.org | udp |
| US | 8.8.8.8:53 | myrat.no-ip.org | udp |
| US | 8.8.8.8:53 | myrat.no-ip.org | udp |
| US | 8.8.8.8:53 | myrat.no-ip.org | udp |
| US | 8.8.8.8:53 | myrat.no-ip.org | udp |
Files
memory/2652-0-0x0000000002140000-0x0000000002141000-memory.dmp
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
| MD5 | 0099cec4c517733c046c65fc58f94e4a |
| SHA1 | 21af701b99b25514fa08a1d5ba10ed338b6f7ef4 |
| SHA256 | 30d0a1ce69c85c51d3a09ae7003a047e95fbbfded828c1193e1c303f7d69d22c |
| SHA512 | 16690dc0bf96cf139a19a05c66acbad27f2916004554704d1805d150d6cb3a09dcf26394bfe9cfa7f74211be89fb62ec3d76da46040613f9a1420d0608c05b21 |
memory/2652-13-0x0000000000400000-0x00000000004C7000-memory.dmp
memory/3608-14-0x00000000006F0000-0x00000000006F1000-memory.dmp
memory/2832-15-0x0000000000400000-0x00000000004C7000-memory.dmp
memory/3608-16-0x0000000000400000-0x00000000004C7000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-19 21:31
Reported
2024-06-19 21:34
Platform
win7-20240611-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:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\0099cec4c517733c046c65fc58f94e4a_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\0099cec4c517733c046c65fc58f94e4a_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\0099cec4c517733c046c65fc58f94e4a_JaffaCakes118.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\0099cec4c517733c046c65fc58f94e4a_JaffaCakes118.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1948 set thread context of 2012 | N/A | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | C:\Program Files (x86)\Internet Explorer\iexplore.exe |
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Internet Explorer\iexplore.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\0099cec4c517733c046c65fc58f94e4a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\0099cec4c517733c046c65fc58f94e4a_JaffaCakes118.exe"
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
"C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
C:\Program Files (x86)\Internet Explorer\iexplore.exe
"C:\Program Files (x86)\Internet Explorer\iexplore.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | myrat.no-ip.org | udp |
Files
memory/2976-0-0x00000000002E0000-0x00000000002E1000-memory.dmp
\Users\Admin\Documents\MSDCSC\msdcsc.exe
| MD5 | 0099cec4c517733c046c65fc58f94e4a |
| SHA1 | 21af701b99b25514fa08a1d5ba10ed338b6f7ef4 |
| SHA256 | 30d0a1ce69c85c51d3a09ae7003a047e95fbbfded828c1193e1c303f7d69d22c |
| SHA512 | 16690dc0bf96cf139a19a05c66acbad27f2916004554704d1805d150d6cb3a09dcf26394bfe9cfa7f74211be89fb62ec3d76da46040613f9a1420d0608c05b21 |
memory/2976-11-0x0000000000400000-0x00000000004C7000-memory.dmp
memory/1948-12-0x0000000000260000-0x0000000000261000-memory.dmp
memory/1948-15-0x0000000000400000-0x00000000004C7000-memory.dmp
memory/2012-14-0x0000000000400000-0x00000000004C7000-memory.dmp