Analysis Overview
SHA256
9496905b33fbe997125795f10c41413bc7865d25bda644c8ae8dab71f4429d15
Threat Level: Likely malicious
The file c07a4a29b484aa8e9796c31341343aa2_JaffaCakes118 was found to be: Likely malicious.
Malicious Activity Summary
Drops file in Drivers directory
Loads dropped DLL
Deletes itself
Executes dropped EXE
Drops file in System32 directory
System Location Discovery: System Language Discovery
Unsigned PE
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-25 09:51
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-25 09:51
Reported
2024-08-25 09:53
Platform
win7-20240705-en
Max time kernel
16s
Max time network
18s
Command Line
Signatures
Drops file in Drivers directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\drivers\beep.sys | C:\Users\Admin\AppData\Local\Temp\c07a4a29b484aa8e9796c31341343aa2_JaffaCakes118.exe | N/A |
| File created | C:\Windows\SysWOW64\drivers\beep.sys | C:\Windows\SysWOW64\Manager.exe | N/A |
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:\Windows\SysWOW64\Manager.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c07a4a29b484aa8e9796c31341343aa2_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c07a4a29b484aa8e9796c31341343aa2_JaffaCakes118.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\Manager.exe | C:\Users\Admin\AppData\Local\Temp\c07a4a29b484aa8e9796c31341343aa2_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\Manager.exe | C:\Users\Admin\AppData\Local\Temp\c07a4a29b484aa8e9796c31341343aa2_JaffaCakes118.exe | N/A |
| File created | C:\Windows\SysWOW64\Manager.exe | C:\Windows\SysWOW64\Manager.exe | 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\c07a4a29b484aa8e9796c31341343aa2_JaffaCakes118.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:\Windows\SysWOW64\Manager.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\cmd.exe | N/A |
Suspicious behavior: LoadsDriver
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\c07a4a29b484aa8e9796c31341343aa2_JaffaCakes118.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\SysWOW64\Manager.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\c07a4a29b484aa8e9796c31341343aa2_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c07a4a29b484aa8e9796c31341343aa2_JaffaCakes118.exe"
C:\Windows\SysWOW64\Manager.exe
"C:\Windows\system32\Manager.exe"
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\C07A4A~1.EXE > nul
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c del C:\Windows\SysWOW64\Manager.exe > nul
Network
Files
\Windows\SysWOW64\Manager.exe
| MD5 | c07a4a29b484aa8e9796c31341343aa2 |
| SHA1 | 14f6fe6ffdf0645b5dac73f8aab0e1f820271dec |
| SHA256 | 9496905b33fbe997125795f10c41413bc7865d25bda644c8ae8dab71f4429d15 |
| SHA512 | 59ac0befceeae0330ad35a8d4b7d941ea1f5eaadf97113f5308219b3b93138fdf127d2960c5ddbfc5db5b3eb157933d3cabba80997c8764a41561d13118cc416 |
C:\Windows\SysWOW64\drivers\beep.sys
| MD5 | 2de9ca34e22d737cd652c4a03b286d30 |
| SHA1 | 7cc13e24ba544265590b99f49a4c768d189ff447 |
| SHA256 | 4c8fd01a26646ae36a763dfda0ee663bb92b59f7e09a58ea4441fa4d3aa612b4 |
| SHA512 | c6f12a4f52177bc128fd9752746ebe1800b412df43b64f861feb229b8ac8f884b8e9b663f3197e69f22c195aff0281b931440e462270764248a1d0173949cb05 |
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-25 09:51
Reported
2024-08-25 09:53
Platform
win10v2004-20240802-en
Max time kernel
144s
Max time network
135s
Command Line
Signatures
Drops file in Drivers directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\drivers\beep.sys | C:\Users\Admin\AppData\Local\Temp\c07a4a29b484aa8e9796c31341343aa2_JaffaCakes118.exe | N/A |
| File created | C:\Windows\SysWOW64\drivers\beep.sys | C:\Windows\SysWOW64\Manager.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\Manager.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\Manager.exe | C:\Users\Admin\AppData\Local\Temp\c07a4a29b484aa8e9796c31341343aa2_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\Manager.exe | C:\Users\Admin\AppData\Local\Temp\c07a4a29b484aa8e9796c31341343aa2_JaffaCakes118.exe | N/A |
| File created | C:\Windows\SysWOW64\Manager.exe | C:\Windows\SysWOW64\Manager.exe | 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\c07a4a29b484aa8e9796c31341343aa2_JaffaCakes118.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\Manager.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:\Windows\SysWOW64\cmd.exe | N/A |
Suspicious behavior: LoadsDriver
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\c07a4a29b484aa8e9796c31341343aa2_JaffaCakes118.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\SysWOW64\Manager.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\c07a4a29b484aa8e9796c31341343aa2_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c07a4a29b484aa8e9796c31341343aa2_JaffaCakes118.exe"
C:\Windows\SysWOW64\Manager.exe
"C:\Windows\system32\Manager.exe"
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\C07A4A~1.EXE > nul
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c del C:\Windows\SysWOW64\Manager.exe > nul
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 69.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 71.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.236.111.52.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 |
Files
C:\Windows\SysWOW64\Manager.exe
| MD5 | c07a4a29b484aa8e9796c31341343aa2 |
| SHA1 | 14f6fe6ffdf0645b5dac73f8aab0e1f820271dec |
| SHA256 | 9496905b33fbe997125795f10c41413bc7865d25bda644c8ae8dab71f4429d15 |
| SHA512 | 59ac0befceeae0330ad35a8d4b7d941ea1f5eaadf97113f5308219b3b93138fdf127d2960c5ddbfc5db5b3eb157933d3cabba80997c8764a41561d13118cc416 |
C:\Windows\SysWOW64\drivers\beep.sys
| MD5 | 2de9ca34e22d737cd652c4a03b286d30 |
| SHA1 | 7cc13e24ba544265590b99f49a4c768d189ff447 |
| SHA256 | 4c8fd01a26646ae36a763dfda0ee663bb92b59f7e09a58ea4441fa4d3aa612b4 |
| SHA512 | c6f12a4f52177bc128fd9752746ebe1800b412df43b64f861feb229b8ac8f884b8e9b663f3197e69f22c195aff0281b931440e462270764248a1d0173949cb05 |