Analysis Overview
SHA256
01d6d2083ce395daa54ef71fcd535b288b76a834351df7228a133bb214460812
Threat Level: Known bad
The file 079717f4ad89d2a562d581a7d96ec2c1_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Darkcomet family
Darkcomet
Modifies WinLogon for persistence
Executes dropped EXE
Loads dropped DLL
Checks computer location settings
Adds Run key to start application
Enumerates physical storage devices
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-20 16:08
Signatures
Darkcomet family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-20 16:08
Reported
2024-06-20 16:11
Platform
win7-20240611-en
Max time kernel
63s
Max time network
119s
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\079717f4ad89d2a562d581a7d96ec2c1_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\079717f4ad89d2a562d581a7d96ec2c1_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\079717f4ad89d2a562d581a7d96ec2c1_JaffaCakes118.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\079717f4ad89d2a562d581a7d96ec2c1_JaffaCakes118.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 1096 wrote to memory of 1672 | N/A | C:\Users\Admin\AppData\Local\Temp\079717f4ad89d2a562d581a7d96ec2c1_JaffaCakes118.exe | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe |
| PID 1096 wrote to memory of 1672 | N/A | C:\Users\Admin\AppData\Local\Temp\079717f4ad89d2a562d581a7d96ec2c1_JaffaCakes118.exe | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe |
| PID 1096 wrote to memory of 1672 | N/A | C:\Users\Admin\AppData\Local\Temp\079717f4ad89d2a562d581a7d96ec2c1_JaffaCakes118.exe | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe |
| PID 1096 wrote to memory of 1672 | N/A | C:\Users\Admin\AppData\Local\Temp\079717f4ad89d2a562d581a7d96ec2c1_JaffaCakes118.exe | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\079717f4ad89d2a562d581a7d96ec2c1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\079717f4ad89d2a562d581a7d96ec2c1_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 | humtum.no-ip.info | udp |
Files
memory/1096-0-0x0000000000260000-0x0000000000261000-memory.dmp
\Users\Admin\Documents\MSDCSC\msdcsc.exe
| MD5 | 079717f4ad89d2a562d581a7d96ec2c1 |
| SHA1 | c9febbe1f779fb402a29e85b8954279d09253b4e |
| SHA256 | 01d6d2083ce395daa54ef71fcd535b288b76a834351df7228a133bb214460812 |
| SHA512 | 2713447dc599f7b2afe954a28598dc641c9c2db0ba7edb86e1dc48adacaee7daec563af8fee0e9e42df7585f4a8dff31ea574e27ef11dbcc2b641a27f2e9f096 |
memory/1096-11-0x0000000000400000-0x00000000004C3000-memory.dmp
memory/1672-12-0x0000000000370000-0x0000000000371000-memory.dmp
memory/1672-13-0x0000000000400000-0x00000000004C3000-memory.dmp
memory/1672-14-0x0000000000400000-0x00000000004C3000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-20 16:08
Reported
2024-06-20 16:11
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:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\079717f4ad89d2a562d581a7d96ec2c1_JaffaCakes118.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\079717f4ad89d2a562d581a7d96ec2c1_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-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\079717f4ad89d2a562d581a7d96ec2c1_JaffaCakes118.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 1384 wrote to memory of 2360 | N/A | C:\Users\Admin\AppData\Local\Temp\079717f4ad89d2a562d581a7d96ec2c1_JaffaCakes118.exe | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe |
| PID 1384 wrote to memory of 2360 | N/A | C:\Users\Admin\AppData\Local\Temp\079717f4ad89d2a562d581a7d96ec2c1_JaffaCakes118.exe | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe |
| PID 1384 wrote to memory of 2360 | N/A | C:\Users\Admin\AppData\Local\Temp\079717f4ad89d2a562d581a7d96ec2c1_JaffaCakes118.exe | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\079717f4ad89d2a562d581a7d96ec2c1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\079717f4ad89d2a562d581a7d96ec2c1_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 | humtum.no-ip.info | udp |
| US | 8.8.8.8:53 | humtum.no-ip.info | udp |
| US | 8.8.8.8:53 | humtum.no-ip.info | udp |
| US | 8.8.8.8:53 | humtum.no-ip.info | udp |
| US | 8.8.8.8:53 | humtum.no-ip.info | udp |
| US | 8.8.8.8:53 | humtum.no-ip.info | udp |
| US | 8.8.8.8:53 | humtum.no-ip.info | udp |
| US | 8.8.8.8:53 | humtum.no-ip.info | udp |
| US | 8.8.8.8:53 | humtum.no-ip.info | udp |
| US | 8.8.8.8:53 | humtum.no-ip.info | udp |
| US | 8.8.8.8:53 | humtum.no-ip.info | udp |
| US | 8.8.8.8:53 | humtum.no-ip.info | udp |
| US | 8.8.8.8:53 | humtum.no-ip.info | udp |
Files
memory/1384-0-0x0000000002290000-0x0000000002291000-memory.dmp
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
| MD5 | 079717f4ad89d2a562d581a7d96ec2c1 |
| SHA1 | c9febbe1f779fb402a29e85b8954279d09253b4e |
| SHA256 | 01d6d2083ce395daa54ef71fcd535b288b76a834351df7228a133bb214460812 |
| SHA512 | 2713447dc599f7b2afe954a28598dc641c9c2db0ba7edb86e1dc48adacaee7daec563af8fee0e9e42df7585f4a8dff31ea574e27ef11dbcc2b641a27f2e9f096 |
memory/1384-13-0x0000000000400000-0x00000000004C3000-memory.dmp
memory/2360-14-0x0000000002180000-0x0000000002181000-memory.dmp
memory/2360-15-0x0000000000400000-0x00000000004C3000-memory.dmp
memory/2360-16-0x0000000000400000-0x00000000004C3000-memory.dmp
memory/2360-17-0x0000000002180000-0x0000000002181000-memory.dmp
memory/2360-18-0x0000000000400000-0x00000000004C3000-memory.dmp
memory/2360-19-0x0000000000400000-0x00000000004C3000-memory.dmp
memory/2360-20-0x0000000000400000-0x00000000004C3000-memory.dmp
memory/2360-21-0x0000000000400000-0x00000000004C3000-memory.dmp
memory/2360-22-0x0000000000400000-0x00000000004C3000-memory.dmp
memory/2360-23-0x0000000000400000-0x00000000004C3000-memory.dmp
memory/2360-24-0x0000000000400000-0x00000000004C3000-memory.dmp
memory/2360-25-0x0000000000400000-0x00000000004C3000-memory.dmp
memory/2360-26-0x0000000000400000-0x00000000004C3000-memory.dmp
memory/2360-27-0x0000000000400000-0x00000000004C3000-memory.dmp
memory/2360-28-0x0000000000400000-0x00000000004C3000-memory.dmp
memory/2360-29-0x0000000000400000-0x00000000004C3000-memory.dmp