Analysis Overview
SHA256
720398a159636f239c88e55bb75bf52bd7af634d8559b1f5090dbfa5baec8d81
Threat Level: Known bad
The file 20c0e7db3abc359de1ea1b468f66e672_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Modifies firewall policy service
Darkcomet family
Darkcomet
Sets file to hidden
Disables RegEdit via registry modification
Disables Task Manager via registry modification
UPX packed file
Checks computer location settings
Unsigned PE
Enumerates physical storage devices
Views/modifies file attributes
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of WriteProcessMemory
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-05-07 14:00
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 |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-07 14:00
Reported
2024-05-07 14:02
Platform
win7-20240221-en
Max time kernel
149s
Max time network
139s
Command Line
Signatures
Darkcomet
Modifies firewall policy service
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile | C:\Users\Admin\AppData\Local\Temp\20c0e7db3abc359de1ea1b468f66e672_JaffaCakes118.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" | C:\Users\Admin\AppData\Local\Temp\20c0e7db3abc359de1ea1b468f66e672_JaffaCakes118.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0" | C:\Users\Admin\AppData\Local\Temp\20c0e7db3abc359de1ea1b468f66e672_JaffaCakes118.exe | N/A |
Disables RegEdit via registry modification
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" | C:\Users\Admin\AppData\Local\Temp\20c0e7db3abc359de1ea1b468f66e672_JaffaCakes118.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 |
| N/A | N/A | C:\Windows\SysWOW64\attrib.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 |
Enumerates physical storage devices
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\20c0e7db3abc359de1ea1b468f66e672_JaffaCakes118.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\20c0e7db3abc359de1ea1b468f66e672_JaffaCakes118.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 |
| N/A | N/A | C:\Windows\SysWOW64\attrib.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\20c0e7db3abc359de1ea1b468f66e672_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\20c0e7db3abc359de1ea1b468f66e672_JaffaCakes118.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\20c0e7db3abc359de1ea1b468f66e672_JaffaCakes118.exe" +s +h
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
C:\Windows\SysWOW64\notepad.exe
notepad
C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp\20c0e7db3abc359de1ea1b468f66e672_JaffaCakes118.exe" +s +h
C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | amfetominka.myddns.me | udp |
| HK | 103.16.26.83:56265 | tcp | |
| HK | 103.16.26.83:52752 | tcp | |
| HK | 103.16.26.83:56265 | tcp | |
| HK | 103.16.26.83:52752 | tcp | |
| HK | 103.16.26.83:56265 | tcp | |
| HK | 103.16.26.83:52752 | tcp | |
| HK | 103.16.26.83:56265 | tcp |
Files
memory/2928-0-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/2928-1-0x00000000003E0000-0x00000000003E1000-memory.dmp
memory/2964-2-0x0000000000080000-0x0000000000081000-memory.dmp
memory/2964-23-0x00000000001A0000-0x00000000001A1000-memory.dmp
memory/2928-24-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/2928-26-0x00000000003E0000-0x00000000003E1000-memory.dmp
memory/2928-27-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/2928-29-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/2928-31-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/2928-33-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/2928-35-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/2928-37-0x0000000000400000-0x00000000004CA000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-07 14:00
Reported
2024-05-07 14:02
Platform
win10v2004-20240419-en
Max time kernel
149s
Max time network
145s
Command Line
Signatures
Darkcomet
Modifies firewall policy service
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile | C:\Users\Admin\AppData\Local\Temp\20c0e7db3abc359de1ea1b468f66e672_JaffaCakes118.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" | C:\Users\Admin\AppData\Local\Temp\20c0e7db3abc359de1ea1b468f66e672_JaffaCakes118.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0" | C:\Users\Admin\AppData\Local\Temp\20c0e7db3abc359de1ea1b468f66e672_JaffaCakes118.exe | N/A |
Disables RegEdit via registry modification
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\USER\S-1-5-21-17203666-93769886-2545153620-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" | C:\Users\Admin\AppData\Local\Temp\20c0e7db3abc359de1ea1b468f66e672_JaffaCakes118.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 |
| 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-1-5-21-17203666-93769886-2545153620-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\20c0e7db3abc359de1ea1b468f66e672_JaffaCakes118.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 |
Enumerates physical storage devices
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\20c0e7db3abc359de1ea1b468f66e672_JaffaCakes118.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\20c0e7db3abc359de1ea1b468f66e672_JaffaCakes118.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 |
| N/A | N/A | C:\Windows\SysWOW64\attrib.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\20c0e7db3abc359de1ea1b468f66e672_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\20c0e7db3abc359de1ea1b468f66e672_JaffaCakes118.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\20c0e7db3abc359de1ea1b468f66e672_JaffaCakes118.exe" +s +h
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
C:\Windows\SysWOW64\notepad.exe
notepad
C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp\20c0e7db3abc359de1ea1b468f66e672_JaffaCakes118.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 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | amfetominka.myddns.me | udp |
| HK | 103.16.26.83:56265 | tcp | |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 2.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| HK | 103.16.26.83:52752 | tcp | |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 139.53.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | amfetominka.myddns.me | udp |
| HK | 103.16.26.83:56265 | tcp | |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| HK | 103.16.26.83:52752 | tcp | |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.251.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | amfetominka.myddns.me | udp |
| HK | 103.16.26.83:56265 | tcp | |
| US | 8.8.8.8:53 | 21.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 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 |
| HK | 103.16.26.83:52752 | tcp | |
| US | 8.8.8.8:53 | amfetominka.myddns.me | udp |
| HK | 103.16.26.83:56265 | tcp |
Files
memory/116-0-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/116-1-0x00000000009B0000-0x00000000009B1000-memory.dmp
memory/4352-2-0x0000000000C80000-0x0000000000C81000-memory.dmp
memory/116-3-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/116-5-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/116-7-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/116-9-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/116-11-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/116-13-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/116-15-0x0000000000400000-0x00000000004CA000-memory.dmp