Analysis Overview
SHA256
7fce64c5c5831ed61df104c4e787fdfc9772fd4dbe8ef1a0f60c679f5bcf16aa
Threat Level: Known bad
The file 43f70f6bb37593e40b4943e9e95edf48_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Urelas
Checks computer location settings
Deletes itself
Executes dropped EXE
Loads dropped DLL
Unsigned PE
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-10-14 20:07
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-10-14 20:07
Reported
2024-10-14 20:10
Platform
win7-20240903-en
Max time kernel
118s
Max time network
118s
Command Line
Signatures
Urelas
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\biudfw.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\43f70f6bb37593e40b4943e9e95edf48_JaffaCakes118.exe | N/A |
Enumerates physical storage devices
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\biudfw.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\cmd.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\43f70f6bb37593e40b4943e9e95edf48_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\43f70f6bb37593e40b4943e9e95edf48_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\43f70f6bb37593e40b4943e9e95edf48_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\biudfw.exe
"C:\Users\Admin\AppData\Local\Temp\biudfw.exe"
C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\sanfdr.bat" "
Network
| Country | Destination | Domain | Proto |
| KR | 218.54.47.76:11120 | tcp | |
| KR | 218.54.47.74:11150 | tcp | |
| KR | 218.54.47.76:11170 | tcp | |
| KR | 218.54.47.77:11150 | tcp |
Files
memory/2084-0-0x0000000000E10000-0x0000000000E45000-memory.dmp
\Users\Admin\AppData\Local\Temp\biudfw.exe
| MD5 | 0473779af26f5598ed09ccb012dcbb43 |
| SHA1 | 9c3387cc0a923f4a10a7335245d2d928f61972d6 |
| SHA256 | 3b40a935e381b50395200a63a31c0ed3c7ebb68f65139a9119c082a67ba64936 |
| SHA512 | 4d817fd9f3945fc766c7af8c988e3f0a936cdc8f88f626656e42f6c8b42ce42245c6fe8687e87e1bebe7c390886e38afa7520bc0e0c4e873dd82d1e23f32dbf9 |
memory/2084-7-0x0000000000410000-0x0000000000445000-memory.dmp
memory/2944-10-0x0000000000CE0000-0x0000000000D15000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\sanfdr.bat
| MD5 | 18da1fa6e662efbb03311968b810f706 |
| SHA1 | d36dbdd5ca383a2eb025959877dcc07a95079b06 |
| SHA256 | 95f3230e7dfe567a4ba104380354e09d7e3ff493b14f44314389251082cb772d |
| SHA512 | 3de0c7d2be6eabdce239e306b5ee011fcddd6ca6f6db820a4e9ea7fa07cd81a777d4aa9082f55548e4938ea70ab43add8afbd3f6b1424977eacf294f6d74cef0 |
memory/2084-18-0x0000000000E10000-0x0000000000E45000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\golfinfo.ini
| MD5 | 55e10a9af74d3f3fa5ae3cb7ff5ad9d4 |
| SHA1 | 449221fd8d7196a54de2bd583625d8d1b64db56a |
| SHA256 | a945a44cfe50423c01f26a16445ed177a347052e791364a9cb7de6bcaa18f3c1 |
| SHA512 | 4af5ba74467b4c61302ea9571f19346c05f911843f2c6153fcd9a7340f9bc6e1f8867cdb72ec7ba0dc4930199aa5c302711ad5da9fd35241839418f6e70a515a |
memory/2944-21-0x0000000000CE0000-0x0000000000D15000-memory.dmp
memory/2944-23-0x0000000000CE0000-0x0000000000D15000-memory.dmp
memory/2944-30-0x0000000000CE0000-0x0000000000D15000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-10-14 20:07
Reported
2024-10-14 20:10
Platform
win10v2004-20241007-en
Max time kernel
139s
Max time network
123s
Command Line
Signatures
Urelas
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\43f70f6bb37593e40b4943e9e95edf48_JaffaCakes118.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\biudfw.exe | N/A |
Enumerates physical storage devices
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\43f70f6bb37593e40b4943e9e95edf48_JaffaCakes118.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\biudfw.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\cmd.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2080 wrote to memory of 2980 | N/A | C:\Users\Admin\AppData\Local\Temp\43f70f6bb37593e40b4943e9e95edf48_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\biudfw.exe |
| PID 2080 wrote to memory of 2980 | N/A | C:\Users\Admin\AppData\Local\Temp\43f70f6bb37593e40b4943e9e95edf48_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\biudfw.exe |
| PID 2080 wrote to memory of 2980 | N/A | C:\Users\Admin\AppData\Local\Temp\43f70f6bb37593e40b4943e9e95edf48_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\biudfw.exe |
| PID 2080 wrote to memory of 3396 | N/A | C:\Users\Admin\AppData\Local\Temp\43f70f6bb37593e40b4943e9e95edf48_JaffaCakes118.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2080 wrote to memory of 3396 | N/A | C:\Users\Admin\AppData\Local\Temp\43f70f6bb37593e40b4943e9e95edf48_JaffaCakes118.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2080 wrote to memory of 3396 | N/A | C:\Users\Admin\AppData\Local\Temp\43f70f6bb37593e40b4943e9e95edf48_JaffaCakes118.exe | C:\Windows\SysWOW64\cmd.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\43f70f6bb37593e40b4943e9e95edf48_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\43f70f6bb37593e40b4943e9e95edf48_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\biudfw.exe
"C:\Users\Admin\AppData\Local\Temp\biudfw.exe"
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\sanfdr.bat" "
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| KR | 218.54.47.76:11120 | tcp | |
| KR | 218.54.47.74:11150 | tcp | |
| US | 8.8.8.8:53 | 200.163.202.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 75.117.19.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.42.69.40.in-addr.arpa | udp |
| KR | 218.54.47.76:11170 | tcp | |
| US | 8.8.8.8:53 | 88.210.23.2.in-addr.arpa | udp |
| KR | 218.54.47.77:11150 | tcp | |
| US | 8.8.8.8:53 | 19.229.111.52.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 | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 10.28.171.150.in-addr.arpa | udp |
Files
memory/2080-0-0x00000000002C0000-0x00000000002F5000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\biudfw.exe
| MD5 | 885b73f7f66530b5d0fee7dc932cd0e0 |
| SHA1 | 17d0e5d7c5e539223f49f8dd8548405a1defee7b |
| SHA256 | c4215a3dd1645b1a417ad973d3e9fa0f5c43f8fdb8fdfa417406dfba6a3eb161 |
| SHA512 | 4db24820370980212cefeb4102fad63b38866dde94401fc403e96077d17213c6565b1702fd2b6e707c6235c4d4c70983e3b8ec10868afabcbbfb6c2aecf0e67b |
memory/2980-10-0x00000000009A0000-0x00000000009D5000-memory.dmp
memory/2080-15-0x00000000002C0000-0x00000000002F5000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\sanfdr.bat
| MD5 | 18da1fa6e662efbb03311968b810f706 |
| SHA1 | d36dbdd5ca383a2eb025959877dcc07a95079b06 |
| SHA256 | 95f3230e7dfe567a4ba104380354e09d7e3ff493b14f44314389251082cb772d |
| SHA512 | 3de0c7d2be6eabdce239e306b5ee011fcddd6ca6f6db820a4e9ea7fa07cd81a777d4aa9082f55548e4938ea70ab43add8afbd3f6b1424977eacf294f6d74cef0 |
C:\Users\Admin\AppData\Local\Temp\golfinfo.ini
| MD5 | 55e10a9af74d3f3fa5ae3cb7ff5ad9d4 |
| SHA1 | 449221fd8d7196a54de2bd583625d8d1b64db56a |
| SHA256 | a945a44cfe50423c01f26a16445ed177a347052e791364a9cb7de6bcaa18f3c1 |
| SHA512 | 4af5ba74467b4c61302ea9571f19346c05f911843f2c6153fcd9a7340f9bc6e1f8867cdb72ec7ba0dc4930199aa5c302711ad5da9fd35241839418f6e70a515a |
memory/2980-18-0x00000000009A0000-0x00000000009D5000-memory.dmp
memory/2980-20-0x00000000009A0000-0x00000000009D5000-memory.dmp
memory/2980-26-0x00000000009A0000-0x00000000009D5000-memory.dmp