Analysis Overview
SHA256
845d9c26c2473529342dd5f2c40997e76f895a08cd93acb8190faf5e2fe074ef
Threat Level: Known bad
The file 08eaff5084b9697ce7abe813eb313262_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Darkcomet family
Darkcomet
Modifies WinLogon for persistence
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Adds Run key to start application
Unsigned PE
Enumerates physical storage devices
Modifies registry class
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-04-30 03:26
Signatures
Darkcomet family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-30 03:26
Reported
2024-04-30 03:29
Platform
win7-20240221-en
Max time kernel
150s
Max time network
122s
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\08eaff5084b9697ce7abe813eb313262_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\08eaff5084b9697ce7abe813eb313262_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\08eaff5084b9697ce7abe813eb313262_JaffaCakes118.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\08eaff5084b9697ce7abe813eb313262_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\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
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
| Description | Indicator | Process | Target |
| PID 2936 wrote to memory of 1252 | N/A | C:\Users\Admin\AppData\Local\Temp\08eaff5084b9697ce7abe813eb313262_JaffaCakes118.exe | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe |
| PID 2936 wrote to memory of 1252 | N/A | C:\Users\Admin\AppData\Local\Temp\08eaff5084b9697ce7abe813eb313262_JaffaCakes118.exe | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe |
| PID 2936 wrote to memory of 1252 | N/A | C:\Users\Admin\AppData\Local\Temp\08eaff5084b9697ce7abe813eb313262_JaffaCakes118.exe | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe |
| PID 2936 wrote to memory of 1252 | N/A | C:\Users\Admin\AppData\Local\Temp\08eaff5084b9697ce7abe813eb313262_JaffaCakes118.exe | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\08eaff5084b9697ce7abe813eb313262_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\08eaff5084b9697ce7abe813eb313262_JaffaCakes118.exe"
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
"C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | wearedotexe.no-ip.biz | udp |
Files
memory/2936-0-0x00000000003E0000-0x00000000003E1000-memory.dmp
\Users\Admin\Documents\MSDCSC\msdcsc.exe
| MD5 | 08eaff5084b9697ce7abe813eb313262 |
| SHA1 | e4a650041c5d808c37815389ade16b2503de969a |
| SHA256 | 845d9c26c2473529342dd5f2c40997e76f895a08cd93acb8190faf5e2fe074ef |
| SHA512 | 437dbb1b0b473609bbf152d7e23e9bab6744ccd6b1b779d8fd48fdda6edd29188b54642311f92207c618315df07b7ba07d70304ce6bdaa8433dc6fc5a885fa44 |
memory/2936-12-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/1252-13-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/1252-14-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/1252-15-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/1252-16-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/1252-17-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/1252-18-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/1252-19-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/1252-20-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/1252-21-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/1252-22-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/1252-23-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/1252-24-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/1252-25-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/1252-26-0x0000000000400000-0x00000000004CA000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-30 03:26
Reported
2024-04-30 03:29
Platform
win10v2004-20240426-en
Max time kernel
150s
Max time network
147s
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\08eaff5084b9697ce7abe813eb313262_JaffaCakes118.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\08eaff5084b9697ce7abe813eb313262_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-1-5-21-1162180587-977231257-2194346871-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\08eaff5084b9697ce7abe813eb313262_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\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\08eaff5084b9697ce7abe813eb313262_JaffaCakes118.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
| Description | Indicator | Process | Target |
| PID 3876 wrote to memory of 1368 | N/A | C:\Users\Admin\AppData\Local\Temp\08eaff5084b9697ce7abe813eb313262_JaffaCakes118.exe | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe |
| PID 3876 wrote to memory of 1368 | N/A | C:\Users\Admin\AppData\Local\Temp\08eaff5084b9697ce7abe813eb313262_JaffaCakes118.exe | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe |
| PID 3876 wrote to memory of 1368 | N/A | C:\Users\Admin\AppData\Local\Temp\08eaff5084b9697ce7abe813eb313262_JaffaCakes118.exe | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\08eaff5084b9697ce7abe813eb313262_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\08eaff5084b9697ce7abe813eb313262_JaffaCakes118.exe"
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
"C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | wearedotexe.no-ip.biz | udp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | wearedotexe.no-ip.biz | udp |
| US | 8.8.8.8:53 | wearedotexe.no-ip.biz | udp |
| US | 8.8.8.8:53 | wearedotexe.no-ip.biz | udp |
| US | 8.8.8.8:53 | wearedotexe.no-ip.biz | udp |
| US | 8.8.8.8:53 | wearedotexe.no-ip.biz | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 134.190.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | wearedotexe.no-ip.biz | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | wearedotexe.no-ip.biz | udp |
| US | 8.8.8.8:53 | wearedotexe.no-ip.biz | udp |
| US | 8.8.8.8:53 | wearedotexe.no-ip.biz | udp |
| US | 8.8.8.8:53 | wearedotexe.no-ip.biz | udp |
| US | 8.8.8.8:53 | wearedotexe.no-ip.biz | udp |
| US | 8.8.8.8:53 | wearedotexe.no-ip.biz | udp |
| US | 8.8.8.8:53 | wearedotexe.no-ip.biz | udp |
| US | 8.8.8.8:53 | wearedotexe.no-ip.biz | udp |
| US | 8.8.8.8:53 | wearedotexe.no-ip.biz | udp |
| US | 8.8.8.8:53 | wearedotexe.no-ip.biz | udp |
| US | 8.8.8.8:53 | wearedotexe.no-ip.biz | udp |
| US | 8.8.8.8:53 | wearedotexe.no-ip.biz | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | wearedotexe.no-ip.biz | udp |
| US | 8.8.8.8:53 | wearedotexe.no-ip.biz | udp |
| US | 8.8.8.8:53 | wearedotexe.no-ip.biz | udp |
| US | 8.8.8.8:53 | wearedotexe.no-ip.biz | udp |
| US | 8.8.8.8:53 | wearedotexe.no-ip.biz | udp |
| US | 8.8.8.8:53 | wearedotexe.no-ip.biz | udp |
| US | 8.8.8.8:53 | wearedotexe.no-ip.biz | udp |
| US | 8.8.8.8:53 | wearedotexe.no-ip.biz | udp |
| US | 8.8.8.8:53 | wearedotexe.no-ip.biz | udp |
| US | 8.8.8.8:53 | wearedotexe.no-ip.biz | udp |
Files
memory/3876-0-0x00000000006E0000-0x00000000006E1000-memory.dmp
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
| MD5 | 08eaff5084b9697ce7abe813eb313262 |
| SHA1 | e4a650041c5d808c37815389ade16b2503de969a |
| SHA256 | 845d9c26c2473529342dd5f2c40997e76f895a08cd93acb8190faf5e2fe074ef |
| SHA512 | 437dbb1b0b473609bbf152d7e23e9bab6744ccd6b1b779d8fd48fdda6edd29188b54642311f92207c618315df07b7ba07d70304ce6bdaa8433dc6fc5a885fa44 |
memory/1368-61-0x00000000009F0000-0x00000000009F1000-memory.dmp
memory/3876-62-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/1368-63-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/1368-64-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/1368-65-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/1368-66-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/1368-67-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/1368-68-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/1368-69-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/1368-70-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/1368-71-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/1368-72-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/1368-73-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/1368-74-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/1368-75-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/1368-76-0x0000000000400000-0x00000000004CA000-memory.dmp