Analysis Overview
SHA256
db5394366ff0b2b21dbdec994201550dca9b5ae5a26c2e0bbe68e782e1642efd
Threat Level: Shows suspicious behavior
The file JaffaCakes118_439042d2f601f4f8773a4afa76021030 was found to be: Shows suspicious behavior.
Malicious Activity Summary
Checks computer location settings
Deletes itself
Executes dropped EXE
Loads dropped DLL
Indicator Removal: File Deletion
Drops file in System32 directory
Unsigned PE
System Location Discovery: System Language Discovery
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2025-01-27 20:50
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2025-01-27 20:50
Reported
2025-01-27 20:53
Platform
win7-20240903-en
Max time kernel
120s
Max time network
120s
Command Line
Signatures
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\mscornet.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_439042d2f601f4f8773a4afa76021030.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_439042d2f601f4f8773a4afa76021030.exe | N/A |
Indicator Removal: File Deletion
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\ldB97F.tmp | C:\Windows\SysWOW64\mscornet.exe | N/A |
| File created | C:\Windows\SysWOW64\mscornet.exe | C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_439042d2f601f4f8773a4afa76021030.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\JaffaCakes118_439042d2f601f4f8773a4afa76021030.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\mscornet.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\cmd.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\mscornet.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_439042d2f601f4f8773a4afa76021030.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_439042d2f601f4f8773a4afa76021030.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\mscornet.exe | N/A |
Suspicious use of UnmapMainImage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_439042d2f601f4f8773a4afa76021030.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\winlogon.exe
winlogon.exe
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_439042d2f601f4f8773a4afa76021030.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_439042d2f601f4f8773a4afa76021030.exe"
C:\Windows\SysWOW64\mscornet.exe
"C:\Windows\system32\mscornet.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\JAFFAC~1.EXE > nul
Network
Files
C:\Windows\SysWOW64\mscornet.exe
| MD5 | 153a1b76ddc3423afa6eb057ba73e69b |
| SHA1 | c2b3990f8424b304b65873e450d3fb3d77c1a93f |
| SHA256 | 38dad675433c146bf4bff7c32e9e5b0ac5376d24aa4ede6073d97374084e03b1 |
| SHA512 | e86207fc4417980419f51a19e71a6624289c49273e8c67dc6a7c257c3d65272fd2657803d1471cb8a034a0eee59f652530e1af011a68a81c3140b60d9bcb171c |
memory/432-10-0x0000000000160000-0x0000000000161000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2025-01-27 20:50
Reported
2025-01-28 09:04
Platform
win10v2004-20241007-en
Max time kernel
149s
Max time network
151s
Command Line
Signatures
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_439042d2f601f4f8773a4afa76021030.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\mscornet.exe | N/A |
Indicator Removal: File Deletion
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\mscornet.exe | C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_439042d2f601f4f8773a4afa76021030.exe | N/A |
| File created | C:\Windows\SysWOW64\ldA289.tmp | C:\Windows\SysWOW64\mscornet.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:\Windows\SysWOW64\mscornet.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\JaffaCakes118_439042d2f601f4f8773a4afa76021030.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\mscornet.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\mscornet.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_439042d2f601f4f8773a4afa76021030.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_439042d2f601f4f8773a4afa76021030.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\mscornet.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\winlogon.exe
winlogon.exe
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_439042d2f601f4f8773a4afa76021030.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_439042d2f601f4f8773a4afa76021030.exe"
C:\Windows\SysWOW64\mscornet.exe
"C:\Windows\system32\mscornet.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\JAFFAC~1.EXE > nul
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 71.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 244.160.67.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.163.202.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 35.34.16.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 218.110.86.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.49.80.91.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 89.16.208.104.in-addr.arpa | udp |
Files
C:\Windows\SysWOW64\mscornet.exe
| MD5 | 153a1b76ddc3423afa6eb057ba73e69b |
| SHA1 | c2b3990f8424b304b65873e450d3fb3d77c1a93f |
| SHA256 | 38dad675433c146bf4bff7c32e9e5b0ac5376d24aa4ede6073d97374084e03b1 |
| SHA512 | e86207fc4417980419f51a19e71a6624289c49273e8c67dc6a7c257c3d65272fd2657803d1471cb8a034a0eee59f652530e1af011a68a81c3140b60d9bcb171c |