Analysis Overview
SHA256
745c2ebd15d66fa5f5a900c03d8f0c6d8bbc9f6e2b6d9ccfeed52cc7fd25bc42
Threat Level: Known bad
The file 5e733be34154c08bf006204767e97534_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
UAC bypass
Darkcomet
ModiLoader, DBatLoader
Modifies WinLogon for persistence
Darkcomet family
ModiLoader Second Stage
Deletes itself
UPX packed file
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Checks whether UAC is enabled
Adds Run key to start application
Drops file in Windows directory
Enumerates physical storage devices
Unsigned PE
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
System policy modification
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-05-20 09:55
Signatures
Darkcomet family
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-20 09:55
Reported
2024-05-20 09:58
Platform
win10v2004-20240426-en
Max time kernel
150s
Max time network
148s
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\dark.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\dark.exe | N/A |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\notepad.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-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\dark.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\Documents\MSDCSC\msdcsc.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\dark.exe
"C:\Users\Admin\AppData\Local\Temp\dark.exe"
C:\Windows\SysWOW64\notepad.exe
notepad
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 | gecce.no-ip.biz | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.204.248.87.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 | 23.62.61.113:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 17.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 113.61.62.23.in-addr.arpa | udp |
| NL | 23.62.61.113:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | gecce.no-ip.biz | udp |
| US | 8.8.8.8:53 | gecce.no-ip.biz | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | gecce.no-ip.biz | udp |
| US | 8.8.8.8:53 | gecce.no-ip.biz | udp |
| US | 8.8.8.8:53 | gecce.no-ip.biz | udp |
| US | 8.8.8.8:53 | gecce.no-ip.biz | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | gecce.no-ip.biz | udp |
| US | 8.8.8.8:53 | gecce.no-ip.biz | udp |
| US | 8.8.8.8:53 | gecce.no-ip.biz | udp |
| US | 8.8.8.8:53 | gecce.no-ip.biz | udp |
| US | 8.8.8.8:53 | gecce.no-ip.biz | udp |
| US | 8.8.8.8:53 | gecce.no-ip.biz | udp |
| US | 8.8.8.8:53 | gecce.no-ip.biz | udp |
| US | 8.8.8.8:53 | gecce.no-ip.biz | udp |
| US | 8.8.8.8:53 | gecce.no-ip.biz | udp |
| US | 8.8.8.8:53 | gecce.no-ip.biz | udp |
| US | 8.8.8.8:53 | gecce.no-ip.biz | udp |
| US | 8.8.8.8:53 | gecce.no-ip.biz | udp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | gecce.no-ip.biz | udp |
| US | 8.8.8.8:53 | gecce.no-ip.biz | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | gecce.no-ip.biz | udp |
| US | 8.8.8.8:53 | gecce.no-ip.biz | udp |
| US | 8.8.8.8:53 | gecce.no-ip.biz | udp |
| US | 8.8.8.8:53 | gecce.no-ip.biz | udp |
| US | 8.8.8.8:53 | gecce.no-ip.biz | udp |
| US | 8.8.8.8:53 | gecce.no-ip.biz | udp |
| US | 8.8.8.8:53 | gecce.no-ip.biz | udp |
| US | 8.8.8.8:53 | gecce.no-ip.biz | udp |
| US | 8.8.8.8:53 | gecce.no-ip.biz | udp |
Files
memory/2276-0-0x00000000022B0000-0x00000000022B1000-memory.dmp
memory/3452-3-0x00000000010E0000-0x00000000010E1000-memory.dmp
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
| MD5 | 230751a9ef1cdccc11aa40a70a259f22 |
| SHA1 | 84f530c5b6313e9bad82c7d1d0826a3948658149 |
| SHA256 | bc1ad6c5ba21d4007f5b06b13bd9f1647188fc4605dea8e13a039ce5ec5f7eb2 |
| SHA512 | 31ce9157cdfb89e7f28303c9bcb4c5a10fa1c0a150119d7abfe016858031dc4e9987175139f5768846eeb03cdb93afb8fd46f816f2a286c35eb2d6ac1cba6269 |
memory/3808-14-0x0000000002180000-0x0000000002181000-memory.dmp
memory/4084-15-0x00000000004D0000-0x00000000004D1000-memory.dmp
memory/2276-16-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/3808-18-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/3808-19-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/3808-20-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/3808-21-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/3808-22-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/3808-23-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/3808-24-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/3808-25-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/3808-26-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/3808-27-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/3808-28-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/3808-29-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/3808-30-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/3808-31-0x0000000000400000-0x00000000004B2000-memory.dmp
Analysis: behavioral3
Detonation Overview
Submitted
2024-05-20 09:55
Reported
2024-05-20 09:58
Platform
win7-20240508-en
Max time kernel
117s
Max time network
118s
Command Line
Signatures
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\server.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\server.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1792 wrote to memory of 1196 | N/A | C:\Users\Admin\AppData\Local\Temp\server.exe | C:\Windows\Explorer.EXE |
| PID 1792 wrote to memory of 1196 | N/A | C:\Users\Admin\AppData\Local\Temp\server.exe | C:\Windows\Explorer.EXE |
| PID 1792 wrote to memory of 1196 | N/A | C:\Users\Admin\AppData\Local\Temp\server.exe | C:\Windows\Explorer.EXE |
| PID 1792 wrote to memory of 1196 | N/A | C:\Users\Admin\AppData\Local\Temp\server.exe | C:\Windows\Explorer.EXE |
| PID 1792 wrote to memory of 1196 | N/A | C:\Users\Admin\AppData\Local\Temp\server.exe | C:\Windows\Explorer.EXE |
| PID 1792 wrote to memory of 1196 | N/A | C:\Users\Admin\AppData\Local\Temp\server.exe | C:\Windows\Explorer.EXE |
Processes
C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Users\Admin\AppData\Local\Temp\server.exe
"C:\Users\Admin\AppData\Local\Temp\server.exe"
Network
Files
memory/1792-4-0x0000000010000000-0x0000000010011000-memory.dmp
memory/1792-3-0x0000000000400000-0x0000000000409000-memory.dmp
memory/1196-0-0x000000007FFF0000-0x000000007FFF1000-memory.dmp
memory/1196-8-0x000000007EFC0000-0x000000007EFC6000-memory.dmp
Analysis: behavioral4
Detonation Overview
Submitted
2024-05-20 09:55
Reported
2024-05-20 09:58
Platform
win10v2004-20240426-en
Max time kernel
148s
Max time network
151s
Command Line
Signatures
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\server.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\server.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\server.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\server.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1492 wrote to memory of 3500 | N/A | C:\Users\Admin\AppData\Local\Temp\server.exe | C:\Windows\Explorer.EXE |
| PID 1492 wrote to memory of 3500 | N/A | C:\Users\Admin\AppData\Local\Temp\server.exe | C:\Windows\Explorer.EXE |
| PID 1492 wrote to memory of 3500 | N/A | C:\Users\Admin\AppData\Local\Temp\server.exe | C:\Windows\Explorer.EXE |
| PID 1492 wrote to memory of 3500 | N/A | C:\Users\Admin\AppData\Local\Temp\server.exe | C:\Windows\Explorer.EXE |
| PID 1492 wrote to memory of 3500 | N/A | C:\Users\Admin\AppData\Local\Temp\server.exe | C:\Windows\Explorer.EXE |
| PID 1492 wrote to memory of 3500 | N/A | C:\Users\Admin\AppData\Local\Temp\server.exe | C:\Windows\Explorer.EXE |
Processes
C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Users\Admin\AppData\Local\Temp\server.exe
"C:\Users\Admin\AppData\Local\Temp\server.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 134.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.204.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 79.190.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| NL | 23.62.61.171:443 | www.bing.com | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 171.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
Files
memory/1492-0-0x0000000000400000-0x0000000000409000-memory.dmp
memory/1492-1-0x0000000010000000-0x0000000010011000-memory.dmp
memory/3500-2-0x000000007FFF0000-0x000000007FFF1000-memory.dmp
memory/3500-4-0x000000007FFC0000-0x000000007FFC6000-memory.dmp
memory/1492-8-0x0000000000400000-0x0000000000409000-memory.dmp
memory/1492-9-0x0000000010000000-0x0000000010011000-memory.dmp
Analysis: behavioral5
Detonation Overview
Submitted
2024-05-20 09:55
Reported
2024-05-20 09:58
Platform
win7-20231129-en
Max time kernel
149s
Max time network
150s
Command Line
Signatures
ModiLoader, DBatLoader
UAC bypass
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Windows\mstwain32.exe | N/A |
ModiLoader Second Stage
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\mstwain32.exe | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\mstwain32 = "C:\\Windows\\mstwain32.exe" | C:\Windows\mstwain32.exe | N/A |
Checks whether UAC is enabled
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA | C:\Users\Admin\AppData\Local\Temp\sss.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA | C:\Windows\mstwain32.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Windows\mstwain32.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\mstwain32.exe | C:\Users\Admin\AppData\Local\Temp\sss.exe | N/A |
| File opened for modification | C:\Windows\mstwain32.exe | C:\Users\Admin\AppData\Local\Temp\sss.exe | N/A |
| File created | C:\Windows\ntdtcstp.dll | C:\Windows\mstwain32.exe | N/A |
| File created | C:\Windows\cmsetac.dll | C:\Windows\mstwain32.exe | N/A |
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\sss.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\mstwain32.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\mstwain32.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\mstwain32.exe | N/A |
| N/A | N/A | C:\Windows\mstwain32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3028 wrote to memory of 2436 | N/A | C:\Users\Admin\AppData\Local\Temp\sss.exe | C:\Windows\mstwain32.exe |
| PID 3028 wrote to memory of 2436 | N/A | C:\Users\Admin\AppData\Local\Temp\sss.exe | C:\Windows\mstwain32.exe |
| PID 3028 wrote to memory of 2436 | N/A | C:\Users\Admin\AppData\Local\Temp\sss.exe | C:\Windows\mstwain32.exe |
| PID 3028 wrote to memory of 2436 | N/A | C:\Users\Admin\AppData\Local\Temp\sss.exe | C:\Windows\mstwain32.exe |
System policy modification
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Windows\mstwain32.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\sss.exe
"C:\Users\Admin\AppData\Local\Temp\sss.exe"
C:\Windows\mstwain32.exe
"C:\Windows\mstwain32.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | gecce.no-ip.org | udp |
Files
memory/3028-0-0x0000000000400000-0x0000000000450000-memory.dmp
memory/3028-1-0x00000000001F0000-0x00000000001F1000-memory.dmp
C:\Windows\mstwain32.exe
| MD5 | c966db1f910185819f5ddec4eb437e4f |
| SHA1 | b59d46d6f84b5062f15d9a5b518d68a9e77b4e66 |
| SHA256 | 4ffe19677b72eb2d3ecbc9ee9ade77413b48cc6189776a704b9e114fb05c8860 |
| SHA512 | 0a6ece3f6a4513597fbac5405da61f775e60741ce24c56223f8a79c2d653850546fc5efb9d65a217cfa33cab1f6ff52e56f7ef51212c0713797edcceb99dd89c |
memory/3028-10-0x0000000000400000-0x0000000000450000-memory.dmp
memory/2436-11-0x0000000000400000-0x0000000000450000-memory.dmp
memory/2436-15-0x0000000000620000-0x0000000000621000-memory.dmp
memory/2436-16-0x00000000007F0000-0x00000000007FE000-memory.dmp
memory/2436-18-0x0000000075990000-0x0000000075991000-memory.dmp
memory/2436-19-0x0000000075980000-0x0000000075A70000-memory.dmp
memory/2436-20-0x0000000075980000-0x0000000075A70000-memory.dmp
memory/2436-21-0x0000000000400000-0x0000000000450000-memory.dmp
memory/2436-23-0x00000000007F0000-0x00000000007FE000-memory.dmp
memory/2436-22-0x00000000006F0000-0x00000000006F8000-memory.dmp
memory/2436-24-0x0000000000400000-0x0000000000450000-memory.dmp
memory/2436-25-0x0000000000400000-0x0000000000450000-memory.dmp
memory/2436-28-0x0000000075980000-0x0000000075A70000-memory.dmp
memory/2436-29-0x0000000075980000-0x0000000075A70000-memory.dmp
memory/2436-30-0x0000000000400000-0x0000000000450000-memory.dmp
memory/2436-33-0x0000000000400000-0x0000000000450000-memory.dmp
memory/2436-36-0x0000000000400000-0x0000000000450000-memory.dmp
memory/2436-39-0x0000000000400000-0x0000000000450000-memory.dmp
memory/2436-42-0x0000000000400000-0x0000000000450000-memory.dmp
memory/2436-45-0x0000000000400000-0x0000000000450000-memory.dmp
memory/2436-48-0x0000000000400000-0x0000000000450000-memory.dmp
memory/2436-51-0x0000000000400000-0x0000000000450000-memory.dmp
memory/2436-54-0x0000000000400000-0x0000000000450000-memory.dmp
memory/2436-57-0x0000000000400000-0x0000000000450000-memory.dmp
memory/2436-60-0x0000000000400000-0x0000000000450000-memory.dmp
memory/2436-63-0x0000000000400000-0x0000000000450000-memory.dmp
Analysis: behavioral6
Detonation Overview
Submitted
2024-05-20 09:55
Reported
2024-05-20 09:58
Platform
win10v2004-20240508-en
Max time kernel
148s
Max time network
149s
Command Line
Signatures
ModiLoader, DBatLoader
UAC bypass
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Windows\mstwain32.exe | N/A |
ModiLoader Second Stage
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\sss.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\mstwain32.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\mstwain32.exe | N/A |
| N/A | N/A | C:\Windows\mstwain32.exe | N/A |
| N/A | N/A | C:\Windows\mstwain32.exe | N/A |
| N/A | N/A | C:\Windows\mstwain32.exe | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mstwain32 = "C:\\Windows\\mstwain32.exe" | C:\Windows\mstwain32.exe | N/A |
Checks whether UAC is enabled
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Windows\mstwain32.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA | C:\Users\Admin\AppData\Local\Temp\sss.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA | C:\Windows\mstwain32.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\mstwain32.exe | C:\Users\Admin\AppData\Local\Temp\sss.exe | N/A |
| File opened for modification | C:\Windows\mstwain32.exe | C:\Users\Admin\AppData\Local\Temp\sss.exe | N/A |
| File created | C:\Windows\ntdtcstp.dll | C:\Windows\mstwain32.exe | N/A |
| File created | C:\Windows\cmsetac.dll | C:\Windows\mstwain32.exe | N/A |
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\sss.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\mstwain32.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\mstwain32.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\mstwain32.exe | N/A |
| N/A | N/A | C:\Windows\mstwain32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2708 wrote to memory of 4320 | N/A | C:\Users\Admin\AppData\Local\Temp\sss.exe | C:\Windows\mstwain32.exe |
| PID 2708 wrote to memory of 4320 | N/A | C:\Users\Admin\AppData\Local\Temp\sss.exe | C:\Windows\mstwain32.exe |
| PID 2708 wrote to memory of 4320 | N/A | C:\Users\Admin\AppData\Local\Temp\sss.exe | C:\Windows\mstwain32.exe |
System policy modification
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Windows\mstwain32.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\sss.exe
"C:\Users\Admin\AppData\Local\Temp\sss.exe"
C:\Windows\mstwain32.exe
"C:\Windows\mstwain32.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 97.17.167.52.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 | 23.62.61.171:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 136.32.126.40.in-addr.arpa | udp |
| NL | 23.62.61.129:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 171.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 129.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | gecce.no-ip.org | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | gecce.no-ip.org | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | gecce.no-ip.org | udp |
| US | 8.8.8.8:53 | gecce.no-ip.org | udp |
| US | 52.111.229.43:443 | tcp | |
| US | 8.8.8.8:53 | gecce.no-ip.org | udp |
| US | 8.8.8.8:53 | 23.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | gecce.no-ip.org | udp |
| US | 8.8.8.8:53 | gecce.no-ip.org | udp |
| US | 8.8.8.8:53 | gecce.no-ip.org | udp |
| US | 8.8.8.8:53 | 2.173.189.20.in-addr.arpa | udp |
Files
memory/2708-0-0x0000000000400000-0x0000000000450000-memory.dmp
memory/2708-1-0x0000000000A60000-0x0000000000A61000-memory.dmp
C:\Windows\mstwain32.exe
| MD5 | c966db1f910185819f5ddec4eb437e4f |
| SHA1 | b59d46d6f84b5062f15d9a5b518d68a9e77b4e66 |
| SHA256 | 4ffe19677b72eb2d3ecbc9ee9ade77413b48cc6189776a704b9e114fb05c8860 |
| SHA512 | 0a6ece3f6a4513597fbac5405da61f775e60741ce24c56223f8a79c2d653850546fc5efb9d65a217cfa33cab1f6ff52e56f7ef51212c0713797edcceb99dd89c |
memory/2708-11-0x0000000000400000-0x0000000000450000-memory.dmp
memory/4320-12-0x0000000000400000-0x0000000000450000-memory.dmp
C:\Windows\ntdtcstp.dll
| MD5 | 67587e25a971a141628d7f07bd40ffa0 |
| SHA1 | 76fcd014539a3bb247cc0b761225f68bd6055f6b |
| SHA256 | e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378 |
| SHA512 | 6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350 |
memory/4320-20-0x00000000005A0000-0x00000000005A1000-memory.dmp
memory/4320-24-0x0000000002360000-0x000000000236E000-memory.dmp
C:\Windows\cmsetac.dll
| MD5 | bbebb94078b2bf9a48387ccb56549766 |
| SHA1 | 2a6ec9be52ef04524344a113865457fb20d41029 |
| SHA256 | 4153d49dc3fe9a6ec6799594bf52df73556d1dab04f6f4a1a7563c4d108d0ac3 |
| SHA512 | 149375345ca570ecc3a383be0c6cbc2b976c343bf3f3845d885f961a5151eb55cf53e68273d4a856c0f109b15bf6795374875254629bcf111944eed51028b18f |
memory/4320-27-0x0000000002350000-0x0000000002351000-memory.dmp
memory/4320-28-0x0000000000400000-0x0000000000450000-memory.dmp
memory/4320-30-0x0000000002360000-0x000000000236E000-memory.dmp
memory/4320-29-0x00000000005B0000-0x00000000005B8000-memory.dmp
memory/4320-31-0x0000000000400000-0x0000000000450000-memory.dmp
memory/4320-32-0x0000000000400000-0x0000000000450000-memory.dmp
memory/4320-35-0x0000000000400000-0x0000000000450000-memory.dmp
memory/4320-38-0x0000000000400000-0x0000000000450000-memory.dmp
memory/4320-41-0x0000000000400000-0x0000000000450000-memory.dmp
memory/4320-44-0x0000000000400000-0x0000000000450000-memory.dmp
memory/4320-47-0x0000000000400000-0x0000000000450000-memory.dmp
memory/4320-50-0x0000000000400000-0x0000000000450000-memory.dmp
memory/4320-53-0x0000000000400000-0x0000000000450000-memory.dmp
memory/4320-56-0x0000000000400000-0x0000000000450000-memory.dmp
memory/4320-59-0x0000000000400000-0x0000000000450000-memory.dmp
memory/4320-62-0x0000000000400000-0x0000000000450000-memory.dmp
memory/4320-65-0x0000000000400000-0x0000000000450000-memory.dmp
memory/4320-68-0x0000000000400000-0x0000000000450000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-20 09:55
Reported
2024-05-20 09:58
Platform
win7-20240221-en
Max time kernel
149s
Max time network
154s
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\dark.exe | N/A |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\notepad.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\dark.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\dark.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\dark.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\Documents\MSDCSC\msdcsc.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\dark.exe
"C:\Users\Admin\AppData\Local\Temp\dark.exe"
C:\Windows\SysWOW64\notepad.exe
notepad
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 | gecce.no-ip.biz | udp |
Files
memory/1548-55-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2720-54-0x00000000001D0000-0x00000000001D1000-memory.dmp
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
| MD5 | 230751a9ef1cdccc11aa40a70a259f22 |
| SHA1 | 84f530c5b6313e9bad82c7d1d0826a3948658149 |
| SHA256 | bc1ad6c5ba21d4007f5b06b13bd9f1647188fc4605dea8e13a039ce5ec5f7eb2 |
| SHA512 | 31ce9157cdfb89e7f28303c9bcb4c5a10fa1c0a150119d7abfe016858031dc4e9987175139f5768846eeb03cdb93afb8fd46f816f2a286c35eb2d6ac1cba6269 |
memory/2576-28-0x0000000000280000-0x0000000000281000-memory.dmp
memory/3024-19-0x0000000000160000-0x0000000000161000-memory.dmp
memory/3024-3-0x00000000000B0000-0x00000000000B1000-memory.dmp
memory/1548-0-0x0000000000250000-0x0000000000251000-memory.dmp
memory/2576-57-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2576-58-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2576-59-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2576-60-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2576-61-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2576-62-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2576-63-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2576-64-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2576-65-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2576-66-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2576-67-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2576-68-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2576-69-0x0000000000400000-0x00000000004B2000-memory.dmp
memory/2576-70-0x0000000000400000-0x00000000004B2000-memory.dmp