Analysis Overview
SHA256
86d57c0daef1c23954e3ea2323935c745ccc9962b2e3988e02e52225549f13ab
Threat Level: Known bad
The file 5b67e0d6be1db935e2779f0e6746ddf2_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Darkcomet
Darkcomet family
Modifies WinLogon for persistence
Deletes itself
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Adds Run key to start application
Unsigned PE
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Runs ping.exe
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-05-19 20:50
Signatures
Darkcomet family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-19 20:50
Reported
2024-05-19 20:53
Platform
win7-20240221-en
Max time kernel
150s
Max time network
123s
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:\\ProgramData\\Microsoft\\Windows\\Start Menu\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\5b67e0d6be1db935e2779f0e6746ddf2_JaffaCakes118.exe | N/A |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\5b67e0d6be1db935e2779f0e6746ddf2_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\5b67e0d6be1db935e2779f0e6746ddf2_JaffaCakes118.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\MSDCSC\\msdcsc.exe" | C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\5b67e0d6be1db935e2779f0e6746ddf2_JaffaCakes118.exe | N/A |
Enumerates physical storage devices
Runs ping.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\PING.EXE | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\5b67e0d6be1db935e2779f0e6746ddf2_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\5b67e0d6be1db935e2779f0e6746ddf2_JaffaCakes118.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /k ping 127.0.0.1 -n 4 && del "C:\Users\Admin\AppData\Local\Temp\5b67e0d6be1db935e2779f0e6746ddf2_JaffaCakes118.exe"
C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe
"C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe"
C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1 -n 4
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | minou470.no-ip.biz | udp |
Files
memory/2208-0-0x0000000000260000-0x0000000000261000-memory.dmp
\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe
| MD5 | 5b67e0d6be1db935e2779f0e6746ddf2 |
| SHA1 | 38b9a136e53d24404c96d3124cf85d48c1f313ab |
| SHA256 | 86d57c0daef1c23954e3ea2323935c745ccc9962b2e3988e02e52225549f13ab |
| SHA512 | faa1a25ac236b077c5fdb7ba0bf5e8f4314e7b4a8d078763de901ced08838e359e4cf896170b72278a00da4c18cfa9bd5052bece86bcf8da61ef8dfb393bd08f |
memory/2208-11-0x0000000000400000-0x00000000004C8000-memory.dmp
memory/3028-12-0x0000000000270000-0x0000000000271000-memory.dmp
memory/3028-13-0x0000000000400000-0x00000000004C8000-memory.dmp
memory/3028-14-0x0000000000400000-0x00000000004C8000-memory.dmp
memory/3028-15-0x0000000000400000-0x00000000004C8000-memory.dmp
memory/3028-16-0x0000000000400000-0x00000000004C8000-memory.dmp
memory/3028-17-0x0000000000400000-0x00000000004C8000-memory.dmp
memory/3028-18-0x0000000000400000-0x00000000004C8000-memory.dmp
memory/3028-19-0x0000000000400000-0x00000000004C8000-memory.dmp
memory/3028-20-0x0000000000400000-0x00000000004C8000-memory.dmp
memory/3028-21-0x0000000000400000-0x00000000004C8000-memory.dmp
memory/3028-22-0x0000000000400000-0x00000000004C8000-memory.dmp
memory/3028-23-0x0000000000400000-0x00000000004C8000-memory.dmp
memory/3028-24-0x0000000000400000-0x00000000004C8000-memory.dmp
memory/3028-25-0x0000000000400000-0x00000000004C8000-memory.dmp
memory/3028-26-0x0000000000400000-0x00000000004C8000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-19 20:50
Reported
2024-05-19 20:53
Platform
win10v2004-20240508-en
Max time kernel
150s
Max time network
150s
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:\\ProgramData\\Microsoft\\Windows\\Start Menu\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\5b67e0d6be1db935e2779f0e6746ddf2_JaffaCakes118.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\5b67e0d6be1db935e2779f0e6746ddf2_JaffaCakes118.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\5b67e0d6be1db935e2779f0e6746ddf2_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\MSDCSC\\msdcsc.exe" | C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe | N/A |
Enumerates physical storage devices
Runs ping.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\PING.EXE | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\5b67e0d6be1db935e2779f0e6746ddf2_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\5b67e0d6be1db935e2779f0e6746ddf2_JaffaCakes118.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /k ping 127.0.0.1 -n 4 && del "C:\Users\Admin\AppData\Local\Temp\5b67e0d6be1db935e2779f0e6746ddf2_JaffaCakes118.exe"
C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe
"C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe"
C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1 -n 4
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | minou470.no-ip.biz | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 203.107.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 20.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | minou470.no-ip.biz | udp |
| US | 8.8.8.8:53 | minou470.no-ip.biz | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | minou470.no-ip.biz | udp |
| US | 8.8.8.8:53 | minou470.no-ip.biz | udp |
| US | 8.8.8.8:53 | minou470.no-ip.biz | udp |
| US | 8.8.8.8:53 | minou470.no-ip.biz | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | minou470.no-ip.biz | udp |
| US | 8.8.8.8:53 | minou470.no-ip.biz | udp |
| US | 8.8.8.8:53 | minou470.no-ip.biz | udp |
| US | 8.8.8.8:53 | minou470.no-ip.biz | udp |
| US | 8.8.8.8:53 | minou470.no-ip.biz | udp |
| US | 8.8.8.8:53 | minou470.no-ip.biz | udp |
| US | 8.8.8.8:53 | minou470.no-ip.biz | udp |
| US | 8.8.8.8:53 | minou470.no-ip.biz | udp |
| US | 8.8.8.8:53 | minou470.no-ip.biz | udp |
| US | 52.111.229.43:443 | tcp | |
| US | 8.8.8.8:53 | minou470.no-ip.biz | udp |
| US | 8.8.8.8:53 | minou470.no-ip.biz | udp |
| US | 8.8.8.8:53 | minou470.no-ip.biz | udp |
| US | 8.8.8.8:53 | 144.107.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | minou470.no-ip.biz | udp |
| US | 8.8.8.8:53 | minou470.no-ip.biz | udp |
| US | 8.8.8.8:53 | minou470.no-ip.biz | udp |
| US | 8.8.8.8:53 | minou470.no-ip.biz | udp |
| US | 8.8.8.8:53 | minou470.no-ip.biz | udp |
| US | 8.8.8.8:53 | minou470.no-ip.biz | udp |
| US | 8.8.8.8:53 | minou470.no-ip.biz | udp |
| US | 8.8.8.8:53 | minou470.no-ip.biz | udp |
| US | 8.8.8.8:53 | minou470.no-ip.biz | udp |
| US | 8.8.8.8:53 | minou470.no-ip.biz | udp |
| US | 8.8.8.8:53 | minou470.no-ip.biz | udp |
| US | 8.8.8.8:53 | 94.65.42.20.in-addr.arpa | udp |
Files
memory/4272-0-0x00000000007E0000-0x00000000007E1000-memory.dmp
C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe
| MD5 | 5b67e0d6be1db935e2779f0e6746ddf2 |
| SHA1 | 38b9a136e53d24404c96d3124cf85d48c1f313ab |
| SHA256 | 86d57c0daef1c23954e3ea2323935c745ccc9962b2e3988e02e52225549f13ab |
| SHA512 | faa1a25ac236b077c5fdb7ba0bf5e8f4314e7b4a8d078763de901ced08838e359e4cf896170b72278a00da4c18cfa9bd5052bece86bcf8da61ef8dfb393bd08f |
memory/4272-13-0x0000000000400000-0x00000000004C8000-memory.dmp
memory/3960-14-0x00000000006E0000-0x00000000006E1000-memory.dmp
memory/3960-15-0x0000000000400000-0x00000000004C8000-memory.dmp
memory/3960-16-0x0000000000400000-0x00000000004C8000-memory.dmp
memory/3960-17-0x0000000000400000-0x00000000004C8000-memory.dmp
memory/3960-18-0x0000000000400000-0x00000000004C8000-memory.dmp
memory/3960-19-0x0000000000400000-0x00000000004C8000-memory.dmp
memory/3960-20-0x0000000000400000-0x00000000004C8000-memory.dmp
memory/3960-21-0x0000000000400000-0x00000000004C8000-memory.dmp
memory/3960-22-0x0000000000400000-0x00000000004C8000-memory.dmp
memory/3960-23-0x0000000000400000-0x00000000004C8000-memory.dmp
memory/3960-24-0x0000000000400000-0x00000000004C8000-memory.dmp
memory/3960-25-0x0000000000400000-0x00000000004C8000-memory.dmp
memory/3960-26-0x0000000000400000-0x00000000004C8000-memory.dmp
memory/3960-27-0x0000000000400000-0x00000000004C8000-memory.dmp
memory/3960-28-0x0000000000400000-0x00000000004C8000-memory.dmp