Analysis Overview
SHA256
3bb11a7d30a3e352b6a1919cdae64b58b8ed6581b5c3dc076a3f563ee88c4d86
Threat Level: Known bad
The file 761b2ea3d2f05a0b94de32442ff9cd05_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Modifies WinLogon for persistence
Darkcomet family
Darkcomet
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Adds Run key to start application
Unsigned PE
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-07-26 23:03
Signatures
Darkcomet family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-07-26 23:03
Reported
2024-07-27 19:34
Platform
win7-20240708-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\761b2ea3d2f05a0b94de32442ff9cd05_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\761b2ea3d2f05a0b94de32442ff9cd05_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\761b2ea3d2f05a0b94de32442ff9cd05_JaffaCakes118.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\761b2ea3d2f05a0b94de32442ff9cd05_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\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
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\761b2ea3d2f05a0b94de32442ff9cd05_JaffaCakes118.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\notepad.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\761b2ea3d2f05a0b94de32442ff9cd05_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\761b2ea3d2f05a0b94de32442ff9cd05_JaffaCakes118.exe"
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
"C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
C:\Windows\SysWOW64\notepad.exe
notepad
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | jojojijijojo.no-ip.org | udp |
Files
memory/1300-0-0x0000000000270000-0x0000000000271000-memory.dmp
\Users\Admin\Documents\MSDCSC\msdcsc.exe
| MD5 | 761b2ea3d2f05a0b94de32442ff9cd05 |
| SHA1 | a03f6454f45d207fb5821f68d4d19e76391876c0 |
| SHA256 | 3bb11a7d30a3e352b6a1919cdae64b58b8ed6581b5c3dc076a3f563ee88c4d86 |
| SHA512 | 3208510fef115b1abaf9eec90c5540a50d239583fb6fce0e6297950deb44936c653d273677ac9e50193a26199ae297162bf5aab3ce1f1bb67eca5b366994b70b |
memory/1300-11-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2440-12-0x0000000000260000-0x0000000000261000-memory.dmp
memory/2316-13-0x0000000000080000-0x0000000000081000-memory.dmp
memory/2316-42-0x00000000001F0000-0x00000000001F1000-memory.dmp
memory/2440-43-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2440-44-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2440-45-0x0000000000260000-0x0000000000261000-memory.dmp
memory/2440-46-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2440-47-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2440-48-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2440-49-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2440-50-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2440-51-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2440-52-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2440-53-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2440-54-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2440-55-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2440-56-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2440-57-0x0000000000400000-0x00000000004B5000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-07-26 23:03
Reported
2024-07-27 19:28
Platform
win10v2004-20240709-en
Max time kernel
150s
Max time network
156s
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\761b2ea3d2f05a0b94de32442ff9cd05_JaffaCakes118.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1705699165-553239100-4129523827-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\761b2ea3d2f05a0b94de32442ff9cd05_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-1-5-21-1705699165-553239100-4129523827-1000\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-1-5-21-1705699165-553239100-4129523827-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\761b2ea3d2f05a0b94de32442ff9cd05_JaffaCakes118.exe | N/A |
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\761b2ea3d2f05a0b94de32442ff9cd05_JaffaCakes118.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\notepad.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\761b2ea3d2f05a0b94de32442ff9cd05_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\761b2ea3d2f05a0b94de32442ff9cd05_JaffaCakes118.exe"
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
"C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
C:\Windows\SysWOW64\notepad.exe
notepad
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 68.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | jojojijijojo.no-ip.org | udp |
| US | 8.8.8.8:53 | jojojijijojo.no-ip.org | udp |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | jojojijijojo.no-ip.org | udp |
| US | 8.8.8.8:53 | jojojijijojo.no-ip.org | udp |
| US | 8.8.8.8:53 | jojojijijojo.no-ip.org | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 147.142.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | jojojijijojo.no-ip.org | udp |
| US | 8.8.8.8:53 | jojojijijojo.no-ip.org | udp |
| US | 8.8.8.8:53 | jojojijijojo.no-ip.org | udp |
| US | 8.8.8.8:53 | jojojijijojo.no-ip.org | udp |
| US | 8.8.8.8:53 | jojojijijojo.no-ip.org | udp |
| US | 8.8.8.8:53 | jojojijijojo.no-ip.org | udp |
| US | 8.8.8.8:53 | jojojijijojo.no-ip.org | udp |
| US | 8.8.8.8:53 | jojojijijojo.no-ip.org | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | jojojijijojo.no-ip.org | udp |
| US | 8.8.8.8:53 | jojojijijojo.no-ip.org | udp |
| US | 8.8.8.8:53 | jojojijijojo.no-ip.org | udp |
| US | 8.8.8.8:53 | jojojijijojo.no-ip.org | udp |
| US | 8.8.8.8:53 | jojojijijojo.no-ip.org | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | jojojijijojo.no-ip.org | udp |
| US | 8.8.8.8:53 | jojojijijojo.no-ip.org | udp |
| US | 8.8.8.8:53 | 43.58.199.20.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 | 10.28.171.150.in-addr.arpa | udp |
| US | 8.8.8.8:53 | jojojijijojo.no-ip.org | udp |
| US | 8.8.8.8:53 | jojojijijojo.no-ip.org | udp |
| US | 8.8.8.8:53 | jojojijijojo.no-ip.org | udp |
| US | 8.8.8.8:53 | jojojijijojo.no-ip.org | udp |
| US | 8.8.8.8:53 | jojojijijojo.no-ip.org | udp |
| US | 8.8.8.8:53 | jojojijijojo.no-ip.org | udp |
| US | 8.8.8.8:53 | jojojijijojo.no-ip.org | udp |
| US | 8.8.8.8:53 | jojojijijojo.no-ip.org | udp |
| US | 8.8.8.8:53 | jojojijijojo.no-ip.org | udp |
Files
memory/4696-0-0x00000000006B0000-0x00000000006B1000-memory.dmp
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
| MD5 | 761b2ea3d2f05a0b94de32442ff9cd05 |
| SHA1 | a03f6454f45d207fb5821f68d4d19e76391876c0 |
| SHA256 | 3bb11a7d30a3e352b6a1919cdae64b58b8ed6581b5c3dc076a3f563ee88c4d86 |
| SHA512 | 3208510fef115b1abaf9eec90c5540a50d239583fb6fce0e6297950deb44936c653d273677ac9e50193a26199ae297162bf5aab3ce1f1bb67eca5b366994b70b |
memory/4696-13-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/3120-14-0x0000000002850000-0x0000000002851000-memory.dmp
memory/5040-15-0x0000000000670000-0x0000000000671000-memory.dmp
memory/3120-16-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/3120-17-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/3120-18-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/3120-19-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/3120-20-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/3120-21-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/3120-22-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/3120-23-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/3120-24-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/3120-25-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/3120-26-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/3120-27-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/3120-28-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/3120-29-0x0000000000400000-0x00000000004B5000-memory.dmp