Analysis Overview
SHA256
2530fd7526e7258be395e2714294e27b5c746d96b027e6fc932530439bf699d4
Threat Level: Known bad
The file JaffaCakes118_2f7016b37139cfdb90de1b3abefc8e10 was found to be: Known bad.
Malicious Activity Summary
Darkcomet
Modifies WinLogon for persistence
Darkcomet family
Loads dropped DLL
Checks computer location settings
Executes dropped EXE
Adds Run key to start application
Drops file in System32 directory
Suspicious use of SetThreadContext
Unsigned PE
System Location Discovery: System Language Discovery
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2025-02-27 20:33
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2025-02-27 20:33
Reported
2025-02-27 20:36
Platform
win7-20240903-en
Max time kernel
121s
Max time network
122s
Command Line
Signatures
Darkcomet
Darkcomet family
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:\\Windows\\system32\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\svchost.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\svchost.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\MSDCSC\msdcsc.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2f7016b37139cfdb90de1b3abefc8e10.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\svchost.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Windows\\system32\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\svchost.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\MSDCSC\msdcsc.exe | C:\Users\Admin\AppData\Local\Temp\svchost.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\MSDCSC\msdcsc.exe | C:\Users\Admin\AppData\Local\Temp\svchost.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\MSDCSC\ | C:\Users\Admin\AppData\Local\Temp\svchost.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3068 set thread context of 2744 | N/A | C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2f7016b37139cfdb90de1b3abefc8e10.exe | C:\Users\Admin\AppData\Local\Temp\svchost.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\svchost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\MSDCSC\msdcsc.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2f7016b37139cfdb90de1b3abefc8e10.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2f7016b37139cfdb90de1b3abefc8e10.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2f7016b37139cfdb90de1b3abefc8e10.exe"
C:\Users\Admin\AppData\Local\Temp\svchost.exe
C:\Users\Admin\AppData\Local\Temp\svchost.exe
C:\Windows\SysWOW64\MSDCSC\msdcsc.exe
"C:\Windows\system32\MSDCSC\msdcsc.exe"
Network
Files
memory/3068-0-0x0000000074A51000-0x0000000074A52000-memory.dmp
memory/3068-1-0x0000000074A50000-0x0000000074FFB000-memory.dmp
memory/3068-2-0x0000000074A50000-0x0000000074FFB000-memory.dmp
\Users\Admin\AppData\Local\Temp\svchost.exe
| MD5 | ed797d8dc2c92401985d162e42ffa450 |
| SHA1 | 0f02fc517c7facc4baefde4fe9467fb6488ebabe |
| SHA256 | b746362010a101cb5931bc066f0f4d3fc740c02a68c1f37fc3c8e6c87fd7cb1e |
| SHA512 | e831a6ff987f3ef29982da16afad06938b68eddd43c234ba88d1c96a1b5547f2284baf35cbb3a5bfd75e7f0445d14daa014e0ba00b4db72c67f83f0a314c80c2 |
memory/2744-8-0x0000000000400000-0x00000000004B4000-memory.dmp
memory/2744-19-0x0000000000400000-0x00000000004B4000-memory.dmp
memory/2744-17-0x0000000000400000-0x00000000004B4000-memory.dmp
memory/2744-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2744-14-0x0000000000400000-0x00000000004B4000-memory.dmp
memory/2744-13-0x0000000000400000-0x00000000004B4000-memory.dmp
memory/2744-12-0x0000000000400000-0x00000000004B4000-memory.dmp
memory/2744-11-0x0000000000400000-0x00000000004B4000-memory.dmp
memory/2744-10-0x0000000000400000-0x00000000004B4000-memory.dmp
memory/2744-9-0x0000000000400000-0x00000000004B4000-memory.dmp
memory/2744-7-0x0000000000400000-0x00000000004B4000-memory.dmp
memory/2744-20-0x0000000000400000-0x00000000004B4000-memory.dmp
memory/2744-21-0x0000000000400000-0x00000000004B4000-memory.dmp
memory/2744-26-0x0000000000400000-0x00000000004B4000-memory.dmp
memory/3068-31-0x0000000074A50000-0x0000000074FFB000-memory.dmp
memory/2744-38-0x0000000000400000-0x00000000004B4000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2025-02-27 20:33
Reported
2025-02-27 20:36
Platform
win10v2004-20250217-en
Max time kernel
130s
Max time network
139s
Command Line
Signatures
Darkcomet
Darkcomet family
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:\\Windows\\system32\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\svchost.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1874072718-2205492803-118941907-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\svchost.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\svchost.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\MSDCSC\msdcsc.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1874072718-2205492803-118941907-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Windows\\system32\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\svchost.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\MSDCSC\msdcsc.exe | C:\Users\Admin\AppData\Local\Temp\svchost.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\MSDCSC\msdcsc.exe | C:\Users\Admin\AppData\Local\Temp\svchost.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\MSDCSC\ | C:\Users\Admin\AppData\Local\Temp\svchost.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2928 set thread context of 4608 | N/A | C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2f7016b37139cfdb90de1b3abefc8e10.exe | C:\Users\Admin\AppData\Local\Temp\svchost.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\JaffaCakes118_2f7016b37139cfdb90de1b3abefc8e10.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\svchost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\MSDCSC\msdcsc.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2f7016b37139cfdb90de1b3abefc8e10.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2f7016b37139cfdb90de1b3abefc8e10.exe"
C:\Users\Admin\AppData\Local\Temp\svchost.exe
C:\Users\Admin\AppData\Local\Temp\svchost.exe
C:\Windows\SysWOW64\MSDCSC\msdcsc.exe
"C:\Windows\system32\MSDCSC\msdcsc.exe"
Network
| Country | Destination | Domain | Proto |
| 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 |
Files
memory/2928-0-0x0000000074A52000-0x0000000074A53000-memory.dmp
memory/2928-1-0x0000000074A50000-0x0000000075001000-memory.dmp
memory/2928-2-0x0000000074A50000-0x0000000075001000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\svchost.exe
| MD5 | e118330b4629b12368d91b9df6488be0 |
| SHA1 | ce90218c7e3b90df2a3409ec253048bb6472c2fd |
| SHA256 | 3a0f2936b8c45e8ba3458d69d7859a63844469e698652e15fb56639d32f40cc9 |
| SHA512 | ac91c04cb20223dbaaf594440cb778dff36e857921be427c8528ba4c6cdb3e8bf8e71e1ae8af7bde9c04ff5b97b379231625bc1a2b66aba2f98cd340cd8a94b0 |
memory/4608-5-0x0000000000400000-0x00000000004B4000-memory.dmp
memory/4608-8-0x0000000000400000-0x00000000004B4000-memory.dmp
memory/4608-11-0x0000000000400000-0x00000000004B4000-memory.dmp
memory/4608-10-0x0000000000400000-0x00000000004B4000-memory.dmp
memory/2928-16-0x0000000074A50000-0x0000000075001000-memory.dmp
memory/4608-13-0x00000000025B0000-0x00000000025B1000-memory.dmp
memory/4608-26-0x0000000000400000-0x00000000004B4000-memory.dmp