Analysis Overview
SHA256
cbd43bdcb7e75cff1e937fe47faa7770647da504aa28fbf3f1b7415ac282456e
Threat Level: Known bad
The file c9ccade124b44534d0ff46033c9262f6_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Formbook
Formbook payload
Loads dropped DLL
Suspicious use of SetThreadContext
Program crash
System Location Discovery: System Language Discovery
Unsigned PE
Enumerates physical storage devices
NSIS installer
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-29 22:57
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
NSIS installer
| 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
2024-08-29 22:57
Reported
2024-08-29 23:00
Platform
win7-20240708-en
Max time kernel
121s
Max time network
123s
Command Line
Signatures
Formbook
Formbook payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c9ccade124b44534d0ff46033c9262f6_JaffaCakes118.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2168 set thread context of 2288 | N/A | C:\Users\Admin\AppData\Local\Temp\c9ccade124b44534d0ff46033c9262f6_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\c9ccade124b44534d0ff46033c9262f6_JaffaCakes118.exe |
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\c9ccade124b44534d0ff46033c9262f6_JaffaCakes118.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c9ccade124b44534d0ff46033c9262f6_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\c9ccade124b44534d0ff46033c9262f6_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c9ccade124b44534d0ff46033c9262f6_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\c9ccade124b44534d0ff46033c9262f6_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c9ccade124b44534d0ff46033c9262f6_JaffaCakes118.exe"
Network
Files
C:\Users\Admin\AppData\Local\Temp\nsoE63B.tmp\mfhecv.dll
| MD5 | e97a552be97bf8ca0cd083250ef8b343 |
| SHA1 | 8283294c2b23684bf1aa6bdc7729ef80efcf7673 |
| SHA256 | 7ae5225917f9eb18e030e2aad1c0b9f7a3fc5789986e9222281cb3663d5f0775 |
| SHA512 | 0f9f53254f11ee2f3cf757ba5459c8380bd07872cbb12a5dc0a681f978e5c10eb136bca57de593adbd806980d1484896a47ab4eaab1794c98113b80992e9a07a |
memory/2168-7-0x0000000010000000-0x000000001000B000-memory.dmp
memory/2288-9-0x0000000000400000-0x000000000042E000-memory.dmp
memory/2168-10-0x0000000010000000-0x000000001000B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-29 22:57
Reported
2024-08-29 23:00
Platform
win10v2004-20240802-en
Max time kernel
133s
Max time network
147s
Command Line
Signatures
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c9ccade124b44534d0ff46033c9262f6_JaffaCakes118.exe | 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\c9ccade124b44534d0ff46033c9262f6_JaffaCakes118.exe |
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\c9ccade124b44534d0ff46033c9262f6_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4388 wrote to memory of 728 | N/A | C:\Users\Admin\AppData\Local\Temp\c9ccade124b44534d0ff46033c9262f6_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\c9ccade124b44534d0ff46033c9262f6_JaffaCakes118.exe |
| PID 4388 wrote to memory of 728 | N/A | C:\Users\Admin\AppData\Local\Temp\c9ccade124b44534d0ff46033c9262f6_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\c9ccade124b44534d0ff46033c9262f6_JaffaCakes118.exe |
| PID 4388 wrote to memory of 728 | N/A | C:\Users\Admin\AppData\Local\Temp\c9ccade124b44534d0ff46033c9262f6_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\c9ccade124b44534d0ff46033c9262f6_JaffaCakes118.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\c9ccade124b44534d0ff46033c9262f6_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c9ccade124b44534d0ff46033c9262f6_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\c9ccade124b44534d0ff46033c9262f6_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c9ccade124b44534d0ff46033c9262f6_JaffaCakes118.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4388 -ip 4388
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4388 -s 1004
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 134.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 48.229.111.52.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 | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\nsk9E93.tmp\mfhecv.dll
| MD5 | e97a552be97bf8ca0cd083250ef8b343 |
| SHA1 | 8283294c2b23684bf1aa6bdc7729ef80efcf7673 |
| SHA256 | 7ae5225917f9eb18e030e2aad1c0b9f7a3fc5789986e9222281cb3663d5f0775 |
| SHA512 | 0f9f53254f11ee2f3cf757ba5459c8380bd07872cbb12a5dc0a681f978e5c10eb136bca57de593adbd806980d1484896a47ab4eaab1794c98113b80992e9a07a |
memory/4388-4-0x0000000010000000-0x000000001000B000-memory.dmp
memory/4388-9-0x0000000010000000-0x000000001000B000-memory.dmp
Analysis: behavioral3
Detonation Overview
Submitted
2024-08-29 22:57
Reported
2024-08-29 23:00
Platform
win7-20240704-en
Max time kernel
145s
Max time network
118s
Command Line
Signatures
Formbook
Formbook payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2864 set thread context of 2888 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2888 set thread context of 1208 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\Explorer.EXE |
| PID 2424 set thread context of 1208 | N/A | C:\Windows\SysWOW64\help.exe | C:\Windows\Explorer.EXE |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\help.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\cmd.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\help.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\help.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\help.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\mfhecv.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\mfhecv.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\mfhecv.dll,#1
C:\Windows\SysWOW64\help.exe
"C:\Windows\SysWOW64\help.exe"
C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\SysWOW64\rundll32.exe"
Network
Files
memory/2864-0-0x0000000010000000-0x000000001000B000-memory.dmp
memory/2888-1-0x0000000000400000-0x000000000042E000-memory.dmp
memory/2864-2-0x0000000010000000-0x000000001000B000-memory.dmp
memory/2888-3-0x00000000021B0000-0x00000000024B3000-memory.dmp
memory/2888-6-0x00000000001C0000-0x00000000001D4000-memory.dmp
memory/2888-5-0x0000000000400000-0x000000000042E000-memory.dmp
memory/1208-7-0x0000000004EB0000-0x0000000004F87000-memory.dmp
memory/2424-9-0x0000000000570000-0x0000000000576000-memory.dmp
memory/2424-8-0x0000000000570000-0x0000000000576000-memory.dmp
memory/1208-10-0x0000000004EB0000-0x0000000004F87000-memory.dmp
Analysis: behavioral4
Detonation Overview
Submitted
2024-08-29 22:57
Reported
2024-08-29 23:00
Platform
win10v2004-20240802-en
Max time kernel
142s
Max time network
131s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\rundll32.exe |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4812 wrote to memory of 2492 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4812 wrote to memory of 2492 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4812 wrote to memory of 2492 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2492 wrote to memory of 452 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2492 wrote to memory of 452 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2492 wrote to memory of 452 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2492 wrote to memory of 452 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\mfhecv.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\mfhecv.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\mfhecv.dll,#1
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 2492 -ip 2492
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2492 -s 692
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 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 150.171.27.10:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 68.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 48.229.111.52.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 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 10.28.171.150.in-addr.arpa | udp |
Files
memory/2492-0-0x0000000010000000-0x000000001000B000-memory.dmp
memory/2492-1-0x0000000010000000-0x000000001000B000-memory.dmp