Analysis Overview
SHA256
c6d17cf0f462d539125b4abb7752e9dbd891a9159e52352dd77383a9300f8297
Threat Level: Known bad
The file 81d79aec6b1ae0890451f8f677fad3e6_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Darkcomet family
Darkcomet
Checks BIOS information in registry
UPX packed file
Suspicious use of SetThreadContext
Unsigned PE
System Location Discovery: System Language Discovery
Enumerates system info in registry
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Checks processor information in registry
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-10-31 05:43
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
2024-10-31 05:43
Reported
2024-10-31 05:45
Platform
win7-20240903-en
Max time kernel
130s
Max time network
140s
Command Line
Signatures
Darkcomet
Darkcomet family
Checks BIOS information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate | C:\Users\Admin\AppData\Local\Temp\81d79aec6b1ae0890451f8f677fad3e6_JaffaCakes118.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate | C:\Windows\SysWOW64\explorer.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1900 set thread context of 2576 | N/A | C:\Users\Admin\AppData\Local\Temp\81d79aec6b1ae0890451f8f677fad3e6_JaffaCakes118.exe | C:\Windows\SysWOW64\explorer.exe |
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 |
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\81d79aec6b1ae0890451f8f677fad3e6_JaffaCakes118.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\explorer.exe | N/A |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Windows\SysWOW64\explorer.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier | C:\Windows\SysWOW64\explorer.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier | C:\Windows\SysWOW64\explorer.exe | N/A |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Users\Admin\AppData\Local\Temp\81d79aec6b1ae0890451f8f677fad3e6_JaffaCakes118.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Users\Admin\AppData\Local\Temp\81d79aec6b1ae0890451f8f677fad3e6_JaffaCakes118.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier | C:\Users\Admin\AppData\Local\Temp\81d79aec6b1ae0890451f8f677fad3e6_JaffaCakes118.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier | C:\Users\Admin\AppData\Local\Temp\81d79aec6b1ae0890451f8f677fad3e6_JaffaCakes118.exe | N/A |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Windows\SysWOW64\explorer.exe | N/A |
Enumerates system info in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier | C:\Users\Admin\AppData\Local\Temp\81d79aec6b1ae0890451f8f677fad3e6_JaffaCakes118.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier | C:\Windows\SysWOW64\explorer.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1900 wrote to memory of 2576 | N/A | C:\Users\Admin\AppData\Local\Temp\81d79aec6b1ae0890451f8f677fad3e6_JaffaCakes118.exe | C:\Windows\SysWOW64\explorer.exe |
| PID 1900 wrote to memory of 2576 | N/A | C:\Users\Admin\AppData\Local\Temp\81d79aec6b1ae0890451f8f677fad3e6_JaffaCakes118.exe | C:\Windows\SysWOW64\explorer.exe |
| PID 1900 wrote to memory of 2576 | N/A | C:\Users\Admin\AppData\Local\Temp\81d79aec6b1ae0890451f8f677fad3e6_JaffaCakes118.exe | C:\Windows\SysWOW64\explorer.exe |
| PID 1900 wrote to memory of 2576 | N/A | C:\Users\Admin\AppData\Local\Temp\81d79aec6b1ae0890451f8f677fad3e6_JaffaCakes118.exe | C:\Windows\SysWOW64\explorer.exe |
| PID 1900 wrote to memory of 2576 | N/A | C:\Users\Admin\AppData\Local\Temp\81d79aec6b1ae0890451f8f677fad3e6_JaffaCakes118.exe | C:\Windows\SysWOW64\explorer.exe |
| PID 1900 wrote to memory of 2576 | N/A | C:\Users\Admin\AppData\Local\Temp\81d79aec6b1ae0890451f8f677fad3e6_JaffaCakes118.exe | C:\Windows\SysWOW64\explorer.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\81d79aec6b1ae0890451f8f677fad3e6_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\81d79aec6b1ae0890451f8f677fad3e6_JaffaCakes118.exe"
C:\Windows\SysWOW64\explorer.exe
"C:\Windows\SysWOW64\explorer.exe"
Network
| Country | Destination | Domain | Proto |
| US | 98.167.136.10:1604 | tcp | |
| US | 98.167.136.10:1604 | tcp | |
| US | 98.167.136.10:1604 | tcp | |
| US | 98.167.136.10:1604 | tcp | |
| US | 98.167.136.10:1604 | tcp | |
| US | 98.167.136.10:1604 | tcp | |
| US | 98.167.136.10:1604 | tcp |
Files
memory/1900-0-0x0000000013140000-0x00000000131FB000-memory.dmp
memory/1900-1-0x00000000002F0000-0x00000000002F1000-memory.dmp
memory/1900-9-0x0000000013140000-0x00000000131FB000-memory.dmp
memory/2576-7-0x0000000013140000-0x00000000131FB000-memory.dmp
memory/2576-11-0x0000000013140000-0x00000000131FB000-memory.dmp
memory/2576-12-0x0000000013140000-0x00000000131FB000-memory.dmp
memory/2576-10-0x0000000013140000-0x00000000131FB000-memory.dmp
memory/2576-6-0x0000000013140000-0x00000000131FB000-memory.dmp
memory/2576-4-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2576-2-0x0000000013140000-0x00000000131FB000-memory.dmp
memory/2576-13-0x00000000001D0000-0x00000000001D1000-memory.dmp
memory/2576-14-0x0000000013140000-0x00000000131FB000-memory.dmp
memory/2576-15-0x0000000013140000-0x00000000131FB000-memory.dmp
memory/2576-16-0x0000000013140000-0x00000000131FB000-memory.dmp
memory/2576-17-0x00000000001D0000-0x00000000001D1000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-10-31 05:43
Reported
2024-10-31 05:45
Platform
win10v2004-20241007-en
Max time kernel
135s
Max time network
153s
Command Line
Signatures
Darkcomet
Darkcomet family
Checks BIOS information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate | C:\Users\Admin\AppData\Local\Temp\81d79aec6b1ae0890451f8f677fad3e6_JaffaCakes118.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate | C:\Windows\SysWOW64\explorer.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4872 set thread context of 4760 | N/A | C:\Users\Admin\AppData\Local\Temp\81d79aec6b1ae0890451f8f677fad3e6_JaffaCakes118.exe | C:\Windows\SysWOW64\explorer.exe |
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 |
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\81d79aec6b1ae0890451f8f677fad3e6_JaffaCakes118.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\explorer.exe | N/A |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Windows\SysWOW64\explorer.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier | C:\Windows\SysWOW64\explorer.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier | C:\Windows\SysWOW64\explorer.exe | N/A |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Users\Admin\AppData\Local\Temp\81d79aec6b1ae0890451f8f677fad3e6_JaffaCakes118.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Users\Admin\AppData\Local\Temp\81d79aec6b1ae0890451f8f677fad3e6_JaffaCakes118.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier | C:\Users\Admin\AppData\Local\Temp\81d79aec6b1ae0890451f8f677fad3e6_JaffaCakes118.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier | C:\Users\Admin\AppData\Local\Temp\81d79aec6b1ae0890451f8f677fad3e6_JaffaCakes118.exe | N/A |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Windows\SysWOW64\explorer.exe | N/A |
Enumerates system info in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier | C:\Users\Admin\AppData\Local\Temp\81d79aec6b1ae0890451f8f677fad3e6_JaffaCakes118.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier | C:\Windows\SysWOW64\explorer.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4872 wrote to memory of 4760 | N/A | C:\Users\Admin\AppData\Local\Temp\81d79aec6b1ae0890451f8f677fad3e6_JaffaCakes118.exe | C:\Windows\SysWOW64\explorer.exe |
| PID 4872 wrote to memory of 4760 | N/A | C:\Users\Admin\AppData\Local\Temp\81d79aec6b1ae0890451f8f677fad3e6_JaffaCakes118.exe | C:\Windows\SysWOW64\explorer.exe |
| PID 4872 wrote to memory of 4760 | N/A | C:\Users\Admin\AppData\Local\Temp\81d79aec6b1ae0890451f8f677fad3e6_JaffaCakes118.exe | C:\Windows\SysWOW64\explorer.exe |
| PID 4872 wrote to memory of 4760 | N/A | C:\Users\Admin\AppData\Local\Temp\81d79aec6b1ae0890451f8f677fad3e6_JaffaCakes118.exe | C:\Windows\SysWOW64\explorer.exe |
| PID 4872 wrote to memory of 4760 | N/A | C:\Users\Admin\AppData\Local\Temp\81d79aec6b1ae0890451f8f677fad3e6_JaffaCakes118.exe | C:\Windows\SysWOW64\explorer.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\81d79aec6b1ae0890451f8f677fad3e6_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\81d79aec6b1ae0890451f8f677fad3e6_JaffaCakes118.exe"
C:\Windows\SysWOW64\explorer.exe
"C:\Windows\SysWOW64\explorer.exe"
Network
| Country | Destination | Domain | Proto |
| US | 98.167.136.10:1604 | tcp | |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 72.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 67.209.201.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 98.167.136.10:1604 | tcp | |
| US | 8.8.8.8:53 | 200.163.202.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 69.190.18.2.in-addr.arpa | udp |
| US | 98.167.136.10:1604 | tcp | |
| US | 98.167.136.10:1604 | tcp | |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 98.167.136.10:1604 | tcp | |
| US | 8.8.8.8:53 | 30.243.111.52.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 | 98.167.136.10:1604 | tcp | |
| US | 98.167.136.10:1604 | tcp |
Files
memory/4872-0-0x0000000013140000-0x00000000131FB000-memory.dmp
memory/4872-1-0x00007FFD85850000-0x00007FFD85A45000-memory.dmp
memory/4760-2-0x0000000013140000-0x00000000131FB000-memory.dmp
memory/4760-3-0x0000000013140000-0x00000000131FB000-memory.dmp
memory/4760-4-0x0000000013140000-0x00000000131FB000-memory.dmp
memory/4760-6-0x0000000013140000-0x00000000131FB000-memory.dmp
memory/4760-8-0x00007FFD85850000-0x00007FFD85A45000-memory.dmp
memory/4760-11-0x0000000013140000-0x00000000131FB000-memory.dmp
memory/4760-10-0x0000000013140000-0x00000000131FB000-memory.dmp
memory/4760-9-0x00007FFD85850000-0x00007FFD85A45000-memory.dmp
memory/4872-7-0x0000000013140000-0x00000000131FB000-memory.dmp
memory/4760-12-0x00007FFD85850000-0x00007FFD85A45000-memory.dmp