Analysis Overview
SHA256
3a22773a05dad02a825e6891e5ad6e7ad8b3bd1e6dadbc2d74b126be98a67c28
Threat Level: Known bad
The file f850a39e38c3e6d21d7b2b628333020a_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Modifies WinLogon for persistence
Darkcomet
Windows security bypass
Disables RegEdit via registry modification
Executes dropped EXE
Windows security modification
UPX packed file
Loads dropped DLL
Legitimate hosting services abused for malware hosting/C2
Adds Run key to start application
Enumerates physical storage devices
Unsigned PE
Program crash
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-04-18 15:50
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-18 15:49
Reported
2024-04-18 15:52
Platform
win7-20240221-en
Max time kernel
144s
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:\\ProgramData\\Microsoft\\Windows\\Start Menu\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\TWPH..exe | N/A |
Windows security bypass
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" | C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" | C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe | N/A |
Disables RegEdit via registry modification
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\USER\S-1-5-21-3787592910-3720486031-2929222812-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" | C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\TWPH..exe | N/A |
| N/A | N/A | C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\f850a39e38c3e6d21d7b2b628333020a_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\f850a39e38c3e6d21d7b2b628333020a_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\TWPH..exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\TWPH..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 |
Windows security modification
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" | C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" | C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3787592910-3720486031-2929222812-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\TWPH..exe | N/A |
Legitimate hosting services abused for malware hosting/C2
| Description | Indicator | Process | Target |
| N/A | 6.tcp.ngrok.io | N/A | N/A |
| N/A | 6.tcp.ngrok.io | N/A | N/A |
| N/A | 6.tcp.ngrok.io | N/A | N/A |
| N/A | 6.tcp.ngrok.io | N/A | N/A |
Enumerates physical storage devices
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\f850a39e38c3e6d21d7b2b628333020a_JaffaCakes118.exe |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\f850a39e38c3e6d21d7b2b628333020a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f850a39e38c3e6d21d7b2b628333020a_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\TWPH..exe
"C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\TWPH..exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1504 -s 908
C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe
"C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 6.tcp.ngrok.io | udp |
| US | 3.141.177.1:14681 | 6.tcp.ngrok.io | tcp |
| US | 3.141.177.1:14681 | 6.tcp.ngrok.io | tcp |
| US | 3.141.177.1:14681 | 6.tcp.ngrok.io | tcp |
| US | 3.141.177.1:14681 | 6.tcp.ngrok.io | tcp |
| US | 3.141.177.1:14681 | 6.tcp.ngrok.io | tcp |
| US | 3.141.177.1:14681 | 6.tcp.ngrok.io | tcp |
| US | 3.141.177.1:14681 | 6.tcp.ngrok.io | tcp |
| US | 3.141.177.1:14681 | 6.tcp.ngrok.io | tcp |
| US | 3.141.177.1:14681 | 6.tcp.ngrok.io | tcp |
| US | 3.141.177.1:14681 | 6.tcp.ngrok.io | tcp |
| US | 3.141.177.1:14681 | 6.tcp.ngrok.io | tcp |
| US | 3.141.177.1:14681 | 6.tcp.ngrok.io | tcp |
| US | 8.8.8.8:53 | 6.tcp.ngrok.io | udp |
| US | 3.141.177.1:14681 | 6.tcp.ngrok.io | tcp |
| US | 3.141.177.1:14681 | 6.tcp.ngrok.io | tcp |
| US | 3.141.177.1:14681 | 6.tcp.ngrok.io | tcp |
| US | 3.141.177.1:14681 | 6.tcp.ngrok.io | tcp |
| US | 3.141.177.1:14681 | 6.tcp.ngrok.io | tcp |
| US | 3.141.177.1:14681 | 6.tcp.ngrok.io | tcp |
| US | 3.141.177.1:14681 | 6.tcp.ngrok.io | tcp |
| US | 3.141.177.1:14681 | 6.tcp.ngrok.io | tcp |
| US | 3.141.177.1:14681 | 6.tcp.ngrok.io | tcp |
| US | 3.141.177.1:14681 | 6.tcp.ngrok.io | tcp |
| US | 3.141.177.1:14681 | 6.tcp.ngrok.io | tcp |
| US | 3.141.177.1:14681 | 6.tcp.ngrok.io | tcp |
| US | 3.141.177.1:14681 | 6.tcp.ngrok.io | tcp |
| US | 3.141.177.1:14681 | 6.tcp.ngrok.io | tcp |
| US | 3.141.177.1:14681 | 6.tcp.ngrok.io | tcp |
| US | 3.141.177.1:14681 | 6.tcp.ngrok.io | tcp |
| US | 3.141.177.1:14681 | 6.tcp.ngrok.io | tcp |
| US | 3.141.177.1:14681 | 6.tcp.ngrok.io | tcp |
| US | 3.141.177.1:14681 | 6.tcp.ngrok.io | tcp |
| US | 3.141.177.1:14681 | 6.tcp.ngrok.io | tcp |
| US | 3.141.177.1:14681 | 6.tcp.ngrok.io | tcp |
| US | 3.141.177.1:14681 | 6.tcp.ngrok.io | tcp |
| US | 3.141.177.1:14681 | 6.tcp.ngrok.io | tcp |
| US | 3.141.177.1:14681 | 6.tcp.ngrok.io | tcp |
| US | 3.141.177.1:14681 | 6.tcp.ngrok.io | tcp |
| US | 3.141.177.1:14681 | 6.tcp.ngrok.io | tcp |
| US | 8.8.8.8:53 | 6.tcp.ngrok.io | udp |
| US | 18.189.106.45:14681 | 6.tcp.ngrok.io | tcp |
| US | 18.189.106.45:14681 | 6.tcp.ngrok.io | tcp |
| US | 18.189.106.45:14681 | 6.tcp.ngrok.io | tcp |
| US | 18.189.106.45:14681 | 6.tcp.ngrok.io | tcp |
| US | 18.189.106.45:14681 | 6.tcp.ngrok.io | tcp |
| US | 18.189.106.45:14681 | 6.tcp.ngrok.io | tcp |
| US | 18.189.106.45:14681 | 6.tcp.ngrok.io | tcp |
| US | 18.189.106.45:14681 | 6.tcp.ngrok.io | tcp |
| US | 18.189.106.45:14681 | 6.tcp.ngrok.io | tcp |
| US | 18.189.106.45:14681 | 6.tcp.ngrok.io | tcp |
| US | 18.189.106.45:14681 | 6.tcp.ngrok.io | tcp |
| US | 18.189.106.45:14681 | 6.tcp.ngrok.io | tcp |
| US | 18.189.106.45:14681 | 6.tcp.ngrok.io | tcp |
| US | 18.189.106.45:14681 | 6.tcp.ngrok.io | tcp |
| US | 18.189.106.45:14681 | 6.tcp.ngrok.io | tcp |
| US | 18.189.106.45:14681 | 6.tcp.ngrok.io | tcp |
| US | 18.189.106.45:14681 | 6.tcp.ngrok.io | tcp |
| US | 18.189.106.45:14681 | 6.tcp.ngrok.io | tcp |
| US | 18.189.106.45:14681 | 6.tcp.ngrok.io | tcp |
| US | 18.189.106.45:14681 | 6.tcp.ngrok.io | tcp |
| US | 18.189.106.45:14681 | 6.tcp.ngrok.io | tcp |
| US | 18.189.106.45:14681 | 6.tcp.ngrok.io | tcp |
| US | 18.189.106.45:14681 | 6.tcp.ngrok.io | tcp |
| US | 18.189.106.45:14681 | 6.tcp.ngrok.io | tcp |
| US | 18.189.106.45:14681 | 6.tcp.ngrok.io | tcp |
| US | 18.189.106.45:14681 | 6.tcp.ngrok.io | tcp |
| US | 18.189.106.45:14681 | 6.tcp.ngrok.io | tcp |
| US | 18.189.106.45:14681 | 6.tcp.ngrok.io | tcp |
| US | 18.189.106.45:14681 | 6.tcp.ngrok.io | tcp |
| US | 18.189.106.45:14681 | 6.tcp.ngrok.io | tcp |
| US | 18.189.106.45:14681 | 6.tcp.ngrok.io | tcp |
| US | 18.189.106.45:14681 | 6.tcp.ngrok.io | tcp |
| US | 18.189.106.45:14681 | 6.tcp.ngrok.io | tcp |
| US | 18.189.106.45:14681 | 6.tcp.ngrok.io | tcp |
| US | 18.189.106.45:14681 | 6.tcp.ngrok.io | tcp |
| US | 18.189.106.45:14681 | 6.tcp.ngrok.io | tcp |
| US | 18.189.106.45:14681 | 6.tcp.ngrok.io | tcp |
| US | 18.189.106.45:14681 | 6.tcp.ngrok.io | tcp |
| US | 8.8.8.8:53 | 6.tcp.ngrok.io | udp |
| US | 18.189.106.45:14681 | 6.tcp.ngrok.io | tcp |
| US | 18.189.106.45:14681 | 6.tcp.ngrok.io | tcp |
| US | 18.189.106.45:14681 | 6.tcp.ngrok.io | tcp |
| US | 18.189.106.45:14681 | 6.tcp.ngrok.io | tcp |
| US | 18.189.106.45:14681 | 6.tcp.ngrok.io | tcp |
| US | 18.189.106.45:14681 | 6.tcp.ngrok.io | tcp |
| US | 18.189.106.45:14681 | 6.tcp.ngrok.io | tcp |
| US | 18.189.106.45:14681 | 6.tcp.ngrok.io | tcp |
| US | 18.189.106.45:14681 | 6.tcp.ngrok.io | tcp |
| US | 18.189.106.45:14681 | 6.tcp.ngrok.io | tcp |
| US | 18.189.106.45:14681 | 6.tcp.ngrok.io | tcp |
| US | 18.189.106.45:14681 | 6.tcp.ngrok.io | tcp |
| US | 18.189.106.45:14681 | 6.tcp.ngrok.io | tcp |
| US | 18.189.106.45:14681 | 6.tcp.ngrok.io | tcp |
Files
memory/1504-0-0x0000000000030000-0x0000000000186000-memory.dmp
memory/1504-1-0x0000000074D80000-0x000000007546E000-memory.dmp
\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\TWPH..exe
| MD5 | a542755854f940253e449ce4b425cdd0 |
| SHA1 | 600bd1c852a10f33df7711d5c1c29049bada4640 |
| SHA256 | 890a30612c41a78eb4781d6278ea4f636d5ecf55343c5fbd87a1cf064104bcdc |
| SHA512 | 754f18537de765752afed8dc003c94df163d81f4c4ec6005a4021bbea6ec0989935f398faf94945d875170c50156e1901723f1988c78c907ce66cb93ef47c24f |
memory/1504-9-0x0000000004F40000-0x0000000004FF7000-memory.dmp
memory/3004-11-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/3004-13-0x0000000000240000-0x0000000000241000-memory.dmp
memory/3004-19-0x0000000004F90000-0x0000000005047000-memory.dmp
memory/3004-25-0x0000000004F90000-0x0000000005047000-memory.dmp
memory/2724-29-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2724-27-0x0000000000240000-0x0000000000241000-memory.dmp
memory/3004-30-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/1504-31-0x0000000074D80000-0x000000007546E000-memory.dmp
memory/1504-32-0x0000000004F40000-0x0000000004FF7000-memory.dmp
memory/2724-33-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/1504-34-0x0000000004F40000-0x0000000004FF7000-memory.dmp
memory/2724-36-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/2724-38-0x0000000000400000-0x00000000004B7000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-18 15:49
Reported
2024-04-18 15:52
Platform
win10v2004-20240412-en
Max time kernel
149s
Max time network
113s
Command Line
Signatures
Enumerates physical storage devices
Processes
C:\Users\Admin\AppData\Local\Temp\f850a39e38c3e6d21d7b2b628333020a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f850a39e38c3e6d21d7b2b628333020a_JaffaCakes118.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 17.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 69.77.216.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 67.32.209.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.114.53.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 249.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
Files
memory/4560-0-0x0000000000010000-0x0000000000166000-memory.dmp
memory/4560-1-0x0000000074C00000-0x00000000753B0000-memory.dmp
memory/4560-6-0x0000000074C00000-0x00000000753B0000-memory.dmp