Analysis Overview
SHA256
bdd3d2eb31328c3e93623405e820a51b154954ab26008a10072960a99b204e2e
Threat Level: Known bad
The file 18d46ddaa7b3c6afae42058a273789ce_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Modifies WinLogon for persistence
Darkcomet family
Darkcomet
Executes dropped EXE
Checks computer location settings
Loads dropped DLL
Deletes itself
Adds Run key to start application
Suspicious use of SetThreadContext
Unsigned PE
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Runs ping.exe
Suspicious use of SetWindowsHookEx
Modifies registry class
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-28 04:49
Signatures
Darkcomet family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-28 04:49
Reported
2024-06-28 04:52
Platform
win7-20240508-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:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\18d46ddaa7b3c6afae42058a273789ce_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:\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\18d46ddaa7b3c6afae42058a273789ce_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\18d46ddaa7b3c6afae42058a273789ce_JaffaCakes118.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\18d46ddaa7b3c6afae42058a273789ce_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" | C:\Program Files (x86)\Internet Explorer\iexplore.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2188 set thread context of 2732 | N/A | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | C:\Program Files (x86)\Internet Explorer\iexplore.exe |
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:\Program Files (x86)\Internet Explorer\iexplore.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\18d46ddaa7b3c6afae42058a273789ce_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\18d46ddaa7b3c6afae42058a273789ce_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\18d46ddaa7b3c6afae42058a273789ce_JaffaCakes118.exe"
C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1 -n 4
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 | remila.no-ip.biz | udp |
Files
memory/2184-0-0x0000000000260000-0x0000000000261000-memory.dmp
\Users\Admin\Documents\MSDCSC\msdcsc.exe
| MD5 | 18d46ddaa7b3c6afae42058a273789ce |
| SHA1 | 62da1f56cf1792ffc096e56eba14151a274320cc |
| SHA256 | bdd3d2eb31328c3e93623405e820a51b154954ab26008a10072960a99b204e2e |
| SHA512 | ffd39b63ef234314db54e5e1b12aed7bedf661d1e66d3e6ea5c21ceef4b7a176b61131f566e5dfba304da8dd3db8852396d7bbe7f8320bbef0150250ca3c1e75 |
memory/2184-11-0x0000000000400000-0x00000000004C9000-memory.dmp
memory/2188-14-0x0000000000400000-0x00000000004C9000-memory.dmp
memory/2732-13-0x0000000000400000-0x00000000004C9000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-28 04:49
Reported
2024-06-28 04:52
Platform
win10v2004-20240611-en
Max time kernel
150s
Max time network
153s
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\18d46ddaa7b3c6afae42058a273789ce_JaffaCakes118.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\18d46ddaa7b3c6afae42058a273789ce_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-1-5-21-3169499791-3545231813-3156325206-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\18d46ddaa7b3c6afae42058a273789ce_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
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\18d46ddaa7b3c6afae42058a273789ce_JaffaCakes118.exe | N/A |
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:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\18d46ddaa7b3c6afae42058a273789ce_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\18d46ddaa7b3c6afae42058a273789ce_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\18d46ddaa7b3c6afae42058a273789ce_JaffaCakes118.exe"
C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1 -n 4
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"
C:\Windows\explorer.exe
"C:\Windows\explorer.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 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| NL | 23.62.61.97:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | remila.no-ip.biz | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | remila.no-ip.biz | udp |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | remila.no-ip.biz | udp |
| US | 8.8.8.8:53 | remila.no-ip.biz | udp |
| US | 8.8.8.8:53 | remila.no-ip.biz | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | remila.no-ip.biz | udp |
| US | 8.8.8.8:53 | 100.58.20.217.in-addr.arpa | udp |
| US | 8.8.8.8:53 | remila.no-ip.biz | udp |
| US | 8.8.8.8:53 | remila.no-ip.biz | udp |
| US | 8.8.8.8:53 | remila.no-ip.biz | udp |
| US | 8.8.8.8:53 | remila.no-ip.biz | udp |
| US | 8.8.8.8:53 | remila.no-ip.biz | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | remila.no-ip.biz | udp |
| US | 8.8.8.8:53 | remila.no-ip.biz | udp |
| US | 8.8.8.8:53 | remila.no-ip.biz | udp |
| US | 8.8.8.8:53 | remila.no-ip.biz | udp |
| US | 8.8.8.8:53 | remila.no-ip.biz | udp |
| US | 8.8.8.8:53 | remila.no-ip.biz | udp |
| US | 8.8.8.8:53 | remila.no-ip.biz | udp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | remila.no-ip.biz | udp |
| US | 8.8.8.8:53 | 10.28.171.150.in-addr.arpa | udp |
| US | 8.8.8.8:53 | remila.no-ip.biz | udp |
| US | 8.8.8.8:53 | remila.no-ip.biz | udp |
| US | 8.8.8.8:53 | remila.no-ip.biz | udp |
| US | 8.8.8.8:53 | remila.no-ip.biz | udp |
| US | 8.8.8.8:53 | remila.no-ip.biz | udp |
| US | 8.8.8.8:53 | remila.no-ip.biz | udp |
| US | 8.8.8.8:53 | remila.no-ip.biz | udp |
| US | 8.8.8.8:53 | remila.no-ip.biz | udp |
| US | 8.8.8.8:53 | remila.no-ip.biz | udp |
| US | 8.8.8.8:53 | remila.no-ip.biz | udp |
| US | 8.8.8.8:53 | 6.173.189.20.in-addr.arpa | udp |
Files
memory/4708-0-0x0000000002150000-0x0000000002151000-memory.dmp
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
| MD5 | 18d46ddaa7b3c6afae42058a273789ce |
| SHA1 | 62da1f56cf1792ffc096e56eba14151a274320cc |
| SHA256 | bdd3d2eb31328c3e93623405e820a51b154954ab26008a10072960a99b204e2e |
| SHA512 | ffd39b63ef234314db54e5e1b12aed7bedf661d1e66d3e6ea5c21ceef4b7a176b61131f566e5dfba304da8dd3db8852396d7bbe7f8320bbef0150250ca3c1e75 |
memory/4708-60-0x0000000000400000-0x00000000004C9000-memory.dmp
memory/2064-62-0x00000000022C0000-0x00000000022C1000-memory.dmp
memory/2064-63-0x0000000000400000-0x00000000004C9000-memory.dmp
memory/2064-64-0x0000000000400000-0x00000000004C9000-memory.dmp
memory/2064-65-0x00000000022C0000-0x00000000022C1000-memory.dmp
memory/2064-66-0x0000000000400000-0x00000000004C9000-memory.dmp
memory/2064-67-0x0000000000400000-0x00000000004C9000-memory.dmp
memory/2064-68-0x0000000000400000-0x00000000004C9000-memory.dmp
memory/2064-69-0x0000000000400000-0x00000000004C9000-memory.dmp
memory/2064-70-0x0000000000400000-0x00000000004C9000-memory.dmp
memory/2064-71-0x0000000000400000-0x00000000004C9000-memory.dmp
memory/2064-72-0x0000000000400000-0x00000000004C9000-memory.dmp
memory/2064-73-0x0000000000400000-0x00000000004C9000-memory.dmp
memory/2064-74-0x0000000000400000-0x00000000004C9000-memory.dmp
memory/2064-75-0x0000000000400000-0x00000000004C9000-memory.dmp
memory/2064-76-0x0000000000400000-0x00000000004C9000-memory.dmp
memory/2064-77-0x0000000000400000-0x00000000004C9000-memory.dmp