Analysis Overview
SHA256
f4d30cb13736e18e207fe01046a535f4152c3c9d0581214fd9caf8dc7f19e0ea
Threat Level: Known bad
The file 131af0e4c40f5e7dfca711a45816fa37_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Darkcomet
Windows security bypass
Disables Task Manager via registry modification
Disables RegEdit via registry modification
Sets file to hidden
Executes dropped EXE
Windows security modification
Loads dropped DLL
Checks computer location settings
Adds Run key to start application
Suspicious use of SetThreadContext
Enumerates physical storage devices
Unsigned PE
Views/modifies file attributes
Suspicious use of SetWindowsHookEx
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-26 19:11
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-26 19:11
Reported
2024-06-26 19:14
Platform
win10v2004-20240508-en
Max time kernel
150s
Max time network
150s
Command Line
Signatures
Darkcomet
Windows security bypass
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" | C:\Users\Admin\AppData\Local\Temp\winlogon.exe | N/A |
Disables RegEdit via registry modification
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" | C:\Users\Admin\AppData\Local\Temp\winlogon.exe | N/A |
Disables Task Manager via registry modification
Sets file to hidden
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\attrib.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\winlogon.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\winlogon.exe | N/A |
Windows security modification
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" | C:\Users\Admin\AppData\Local\Temp\winlogon.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\Windows Logon = "C:\\Users\\Admin\\AppData\\Local\\Temp\\winlogon.exe" | C:\Users\Admin\AppData\Local\Temp\131af0e4c40f5e7dfca711a45816fa37_JaffaCakes118.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2996 set thread context of 460 | N/A | C:\Users\Admin\AppData\Local\Temp\131af0e4c40f5e7dfca711a45816fa37_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\winlogon.exe |
Enumerates physical storage devices
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\winlogon.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\winlogon.exe | N/A |
Suspicious use of WriteProcessMemory
Views/modifies file attributes
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\attrib.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\131af0e4c40f5e7dfca711a45816fa37_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\131af0e4c40f5e7dfca711a45816fa37_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\winlogon.exe
C:\Users\Admin\AppData\Local\Temp\winlogon.exe
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpcmd.bat" "
C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp\winlogon.exe" +s +h
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | qof6565.no-ip.org | udp |
| US | 8.8.8.8:53 | qof6565.no-ip.org | udp |
| US | 8.8.8.8:53 | qof6565.no-ip.org | udp |
| US | 8.8.8.8:53 | qof6565.no-ip.org | udp |
| US | 8.8.8.8:53 | qof6565.no-ip.org | udp |
| US | 8.8.8.8:53 | qof6565.no-ip.org | udp |
| US | 8.8.8.8:53 | qof6565.no-ip.org | udp |
| US | 8.8.8.8:53 | qof6565.no-ip.org | udp |
| US | 8.8.8.8:53 | qof6565.no-ip.org | udp |
| US | 8.8.8.8:53 | qof6565.no-ip.org | udp |
| US | 8.8.8.8:53 | qof6565.no-ip.org | udp |
| US | 8.8.8.8:53 | qof6565.no-ip.org | udp |
| US | 8.8.8.8:53 | qof6565.no-ip.org | udp |
Files
memory/2996-0-0x0000000074B42000-0x0000000074B43000-memory.dmp
memory/2996-1-0x0000000074B40000-0x00000000750F1000-memory.dmp
memory/2996-3-0x0000000074B40000-0x00000000750F1000-memory.dmp
memory/460-7-0x0000000000400000-0x00000000004DB000-memory.dmp
memory/460-10-0x0000000000400000-0x00000000004DB000-memory.dmp
memory/460-12-0x0000000000400000-0x00000000004DB000-memory.dmp
memory/460-14-0x0000000000400000-0x00000000004DB000-memory.dmp
memory/2996-15-0x0000000074B40000-0x00000000750F1000-memory.dmp
memory/460-16-0x00000000007D0000-0x00000000007D1000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\winlogon.exe
| MD5 | e118330b4629b12368d91b9df6488be0 |
| SHA1 | ce90218c7e3b90df2a3409ec253048bb6472c2fd |
| SHA256 | 3a0f2936b8c45e8ba3458d69d7859a63844469e698652e15fb56639d32f40cc9 |
| SHA512 | ac91c04cb20223dbaaf594440cb778dff36e857921be427c8528ba4c6cdb3e8bf8e71e1ae8af7bde9c04ff5b97b379231625bc1a2b66aba2f98cd340cd8a94b0 |
memory/460-23-0x0000000000400000-0x00000000004DB000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmpcmd.bat
| MD5 | 3821868491a01953e5f2f922ae9ff8b0 |
| SHA1 | 2daf28fa5ce2c3b55c25c8fc4a1d5a03f9b85bce |
| SHA256 | d9c3e5032a4eaea21cebe6aeeca341459f8d256c7b39f4bcd34e27e12deaabb8 |
| SHA512 | 25c93ce1fc01a369306c769b861def036085aef807e0d0952830098d197b37e0d93a7d98c0df49aeff05b8493050df07d56307d643ff8421d7b31aa000e807e9 |
memory/460-22-0x0000000000400000-0x00000000004DB000-memory.dmp
memory/460-20-0x0000000000400000-0x00000000004DB000-memory.dmp
memory/460-21-0x0000000000400000-0x00000000004DB000-memory.dmp
memory/460-25-0x0000000000400000-0x00000000004DB000-memory.dmp
memory/460-26-0x0000000000400000-0x00000000004DB000-memory.dmp
memory/460-27-0x0000000000400000-0x00000000004DB000-memory.dmp
memory/460-28-0x0000000000400000-0x00000000004DB000-memory.dmp
memory/460-29-0x0000000000400000-0x00000000004DB000-memory.dmp
memory/460-30-0x0000000000400000-0x00000000004DB000-memory.dmp
memory/460-31-0x0000000000400000-0x00000000004DB000-memory.dmp
memory/460-32-0x0000000000400000-0x00000000004DB000-memory.dmp
memory/460-33-0x0000000000400000-0x00000000004DB000-memory.dmp
memory/460-34-0x0000000000400000-0x00000000004DB000-memory.dmp
memory/460-35-0x0000000000400000-0x00000000004DB000-memory.dmp
memory/460-36-0x0000000000400000-0x00000000004DB000-memory.dmp
memory/460-37-0x0000000000400000-0x00000000004DB000-memory.dmp
memory/460-38-0x0000000000400000-0x00000000004DB000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-26 19:11
Reported
2024-06-26 19:14
Platform
win7-20240611-en
Max time kernel
149s
Max time network
149s
Command Line
Signatures
Darkcomet
Windows security bypass
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" | C:\Users\Admin\AppData\Local\Temp\winlogon.exe | N/A |
Disables RegEdit via registry modification
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" | C:\Users\Admin\AppData\Local\Temp\winlogon.exe | N/A |
Disables Task Manager via registry modification
Sets file to hidden
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\attrib.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\winlogon.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\131af0e4c40f5e7dfca711a45816fa37_JaffaCakes118.exe | N/A |
Windows security modification
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" | C:\Users\Admin\AppData\Local\Temp\winlogon.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Logon = "C:\\Users\\Admin\\AppData\\Local\\Temp\\winlogon.exe" | C:\Users\Admin\AppData\Local\Temp\131af0e4c40f5e7dfca711a45816fa37_JaffaCakes118.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2484 set thread context of 2208 | N/A | C:\Users\Admin\AppData\Local\Temp\131af0e4c40f5e7dfca711a45816fa37_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\winlogon.exe |
Enumerates physical storage devices
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\winlogon.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\winlogon.exe | N/A |
Suspicious use of WriteProcessMemory
Views/modifies file attributes
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\attrib.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\131af0e4c40f5e7dfca711a45816fa37_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\131af0e4c40f5e7dfca711a45816fa37_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\winlogon.exe
C:\Users\Admin\AppData\Local\Temp\winlogon.exe
C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmpcmd.bat" "
C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp\winlogon.exe" +s +h
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | qof6565.no-ip.org | udp |
| ID | 212.117.53.118:1656 | qof6565.no-ip.org | tcp |
| ID | 212.117.53.118:1656 | qof6565.no-ip.org | tcp |
| ID | 212.117.53.118:1656 | qof6565.no-ip.org | tcp |
| US | 8.8.8.8:53 | qof6565.no-ip.org | udp |
| ID | 212.117.53.118:1656 | qof6565.no-ip.org | tcp |
| ID | 212.117.53.118:1656 | qof6565.no-ip.org | tcp |
| ID | 212.117.53.118:1656 | qof6565.no-ip.org | tcp |
| US | 8.8.8.8:53 | qof6565.no-ip.org | udp |
| ID | 212.117.53.118:1656 | qof6565.no-ip.org | tcp |
| ID | 212.117.53.118:1656 | qof6565.no-ip.org | tcp |
Files
memory/2484-0-0x0000000074581000-0x0000000074582000-memory.dmp
memory/2484-1-0x0000000074580000-0x0000000074B2B000-memory.dmp
memory/2484-2-0x0000000074580000-0x0000000074B2B000-memory.dmp
\Users\Admin\AppData\Local\Temp\winlogon.exe
| MD5 | ed797d8dc2c92401985d162e42ffa450 |
| SHA1 | 0f02fc517c7facc4baefde4fe9467fb6488ebabe |
| SHA256 | b746362010a101cb5931bc066f0f4d3fc740c02a68c1f37fc3c8e6c87fd7cb1e |
| SHA512 | e831a6ff987f3ef29982da16afad06938b68eddd43c234ba88d1c96a1b5547f2284baf35cbb3a5bfd75e7f0445d14daa014e0ba00b4db72c67f83f0a314c80c2 |
memory/2208-8-0x0000000000400000-0x00000000004DB000-memory.dmp
memory/2208-13-0x0000000000400000-0x00000000004DB000-memory.dmp
memory/2208-27-0x0000000000400000-0x00000000004DB000-memory.dmp
memory/2208-25-0x0000000000400000-0x00000000004DB000-memory.dmp
memory/2208-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2208-19-0x0000000000400000-0x00000000004DB000-memory.dmp
memory/2208-17-0x0000000000400000-0x00000000004DB000-memory.dmp
memory/2208-15-0x0000000000400000-0x00000000004DB000-memory.dmp
memory/2208-21-0x0000000000400000-0x00000000004DB000-memory.dmp
memory/2208-10-0x0000000000400000-0x00000000004DB000-memory.dmp
memory/2208-12-0x0000000000400000-0x00000000004DB000-memory.dmp
memory/2208-28-0x0000000000400000-0x00000000004DB000-memory.dmp
memory/2484-33-0x0000000074580000-0x0000000074B2B000-memory.dmp
memory/2208-34-0x0000000000400000-0x00000000004DB000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmpcmd.bat
| MD5 | 3821868491a01953e5f2f922ae9ff8b0 |
| SHA1 | 2daf28fa5ce2c3b55c25c8fc4a1d5a03f9b85bce |
| SHA256 | d9c3e5032a4eaea21cebe6aeeca341459f8d256c7b39f4bcd34e27e12deaabb8 |
| SHA512 | 25c93ce1fc01a369306c769b861def036085aef807e0d0952830098d197b37e0d93a7d98c0df49aeff05b8493050df07d56307d643ff8421d7b31aa000e807e9 |
memory/2208-46-0x0000000000400000-0x00000000004DB000-memory.dmp
memory/2208-45-0x0000000000400000-0x00000000004DB000-memory.dmp
memory/2208-44-0x0000000000400000-0x00000000004DB000-memory.dmp
memory/2208-43-0x0000000000400000-0x00000000004DB000-memory.dmp
memory/2208-49-0x0000000000400000-0x00000000004DB000-memory.dmp
memory/2208-51-0x0000000000400000-0x00000000004DB000-memory.dmp
memory/2208-53-0x0000000000400000-0x00000000004DB000-memory.dmp