Analysis Overview
SHA256
978cd9073207975e6dd535e34b59014de4eb4db0d54fd67d2d8a355e5df7458b
Threat Level: Known bad
The file 9e89ec8a6d7a50e4f9a68a7ed90f0eea_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
UAC bypass
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Checks BIOS information in registry
Themida packer
Looks up external IP address via web service
Checks whether UAC is enabled
Suspicious use of NtSetInformationThreadHideFromDebugger
Unsigned PE
System policy modification
Checks processor information in registry
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Enumerates system info in registry
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-11 14:40
Signatures
Themida packer
| 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 |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-11 14:39
Reported
2024-06-11 14:42
Platform
win7-20240215-en
Max time kernel
141s
Max time network
119s
Command Line
Signatures
UAC bypass
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" | C:\Users\Admin\AppData\Local\Temp\9e89ec8a6d7a50e4f9a68a7ed90f0eea_JaffaCakes118.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" | C:\Users\Admin\AppData\Local\Temp\9e89ec8a6d7a50e4f9a68a7ed90f0eea_JaffaCakes118.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Users\Admin\AppData\Local\Temp\9e89ec8a6d7a50e4f9a68a7ed90f0eea_JaffaCakes118.exe | N/A |
Identifies VirtualBox via ACPI registry values (likely anti-VM)
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ | C:\Users\Admin\AppData\Local\Temp\9e89ec8a6d7a50e4f9a68a7ed90f0eea_JaffaCakes118.exe | N/A |
Checks BIOS information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Users\Admin\AppData\Local\Temp\9e89ec8a6d7a50e4f9a68a7ed90f0eea_JaffaCakes118.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | C:\Users\Admin\AppData\Local\Temp\9e89ec8a6d7a50e4f9a68a7ed90f0eea_JaffaCakes118.exe | N/A |
Themida packer
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Checks whether UAC is enabled
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA | C:\Users\Admin\AppData\Local\Temp\9e89ec8a6d7a50e4f9a68a7ed90f0eea_JaffaCakes118.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Users\Admin\AppData\Local\Temp\9e89ec8a6d7a50e4f9a68a7ed90f0eea_JaffaCakes118.exe | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | checkip.dyndns.org | N/A | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\9e89ec8a6d7a50e4f9a68a7ed90f0eea_JaffaCakes118.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\9e89ec8a6d7a50e4f9a68a7ed90f0eea_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1568 wrote to memory of 2456 | N/A | C:\Users\Admin\AppData\Local\Temp\9e89ec8a6d7a50e4f9a68a7ed90f0eea_JaffaCakes118.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe |
| PID 1568 wrote to memory of 2456 | N/A | C:\Users\Admin\AppData\Local\Temp\9e89ec8a6d7a50e4f9a68a7ed90f0eea_JaffaCakes118.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe |
| PID 1568 wrote to memory of 2456 | N/A | C:\Users\Admin\AppData\Local\Temp\9e89ec8a6d7a50e4f9a68a7ed90f0eea_JaffaCakes118.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe |
| PID 1568 wrote to memory of 2456 | N/A | C:\Users\Admin\AppData\Local\Temp\9e89ec8a6d7a50e4f9a68a7ed90f0eea_JaffaCakes118.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe |
System policy modification
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableSmartScreen = "0" | C:\Users\Admin\AppData\Local\Temp\9e89ec8a6d7a50e4f9a68a7ed90f0eea_JaffaCakes118.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Users\Admin\AppData\Local\Temp\9e89ec8a6d7a50e4f9a68a7ed90f0eea_JaffaCakes118.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" | C:\Users\Admin\AppData\Local\Temp\9e89ec8a6d7a50e4f9a68a7ed90f0eea_JaffaCakes118.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" | C:\Users\Admin\AppData\Local\Temp\9e89ec8a6d7a50e4f9a68a7ed90f0eea_JaffaCakes118.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\9e89ec8a6d7a50e4f9a68a7ed90f0eea_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\9e89ec8a6d7a50e4f9a68a7ed90f0eea_JaffaCakes118.exe"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
dw20.exe -x -s 1316
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | checkip.dyndns.org | udp |
| JP | 132.226.8.169:80 | checkip.dyndns.org | tcp |
| US | 8.8.8.8:53 | www.google.com | udp |
| GB | 142.250.187.196:443 | www.google.com | tcp |
| US | 8.8.8.8:53 | pushing.pk | udp |
Files
memory/1568-1-0x0000000075CD4000-0x0000000075CD5000-memory.dmp
memory/1568-0-0x0000000000940000-0x00000000011FE000-memory.dmp
memory/1568-3-0x0000000075CC0000-0x0000000075DD0000-memory.dmp
memory/1568-6-0x0000000075CC0000-0x0000000075DD0000-memory.dmp
memory/1568-5-0x0000000075CC0000-0x0000000075DD0000-memory.dmp
memory/1568-4-0x0000000075CC0000-0x0000000075DD0000-memory.dmp
memory/1568-10-0x0000000075CC0000-0x0000000075DD0000-memory.dmp
memory/1568-20-0x0000000075CC0000-0x0000000075DD0000-memory.dmp
memory/1568-19-0x0000000075CC0000-0x0000000075DD0000-memory.dmp
memory/1568-18-0x0000000075CC0000-0x0000000075DD0000-memory.dmp
memory/1568-24-0x0000000075CC0000-0x0000000075DD0000-memory.dmp
memory/1568-25-0x0000000075CC0000-0x0000000075DD0000-memory.dmp
memory/1568-23-0x0000000075CC0000-0x0000000075DD0000-memory.dmp
memory/1568-22-0x0000000075CC0000-0x0000000075DD0000-memory.dmp
memory/1568-21-0x0000000075CC0000-0x0000000075DD0000-memory.dmp
memory/1568-17-0x0000000075CC0000-0x0000000075DD0000-memory.dmp
memory/1568-16-0x0000000075CC0000-0x0000000075DD0000-memory.dmp
memory/1568-15-0x0000000075CC0000-0x0000000075DD0000-memory.dmp
memory/1568-14-0x0000000075CC0000-0x0000000075DD0000-memory.dmp
memory/1568-13-0x0000000075CC0000-0x0000000075DD0000-memory.dmp
memory/1568-12-0x0000000075CC0000-0x0000000075DD0000-memory.dmp
memory/1568-11-0x0000000075CC0000-0x0000000075DD0000-memory.dmp
memory/1568-9-0x0000000075CC0000-0x0000000075DD0000-memory.dmp
memory/1568-8-0x0000000075CC0000-0x0000000075DD0000-memory.dmp
memory/1568-7-0x0000000075CC0000-0x0000000075DD0000-memory.dmp
memory/1568-2-0x0000000075CC0000-0x0000000075DD0000-memory.dmp
memory/1568-29-0x0000000075CC0000-0x0000000075DD0000-memory.dmp
memory/1568-30-0x0000000000940000-0x00000000011FE000-memory.dmp
memory/1568-31-0x0000000075CC0000-0x0000000075DD0000-memory.dmp
memory/1568-33-0x0000000075CD4000-0x0000000075CD5000-memory.dmp
memory/2456-40-0x00000000025E0000-0x0000000002E9E000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-11 14:39
Reported
2024-06-11 14:42
Platform
win10v2004-20240426-en
Max time kernel
150s
Max time network
150s
Command Line
Signatures
UAC bypass
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Users\Admin\AppData\Local\Temp\9e89ec8a6d7a50e4f9a68a7ed90f0eea_JaffaCakes118.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" | C:\Users\Admin\AppData\Local\Temp\9e89ec8a6d7a50e4f9a68a7ed90f0eea_JaffaCakes118.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" | C:\Users\Admin\AppData\Local\Temp\9e89ec8a6d7a50e4f9a68a7ed90f0eea_JaffaCakes118.exe | N/A |
Identifies VirtualBox via ACPI registry values (likely anti-VM)
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ | C:\Users\Admin\AppData\Local\Temp\9e89ec8a6d7a50e4f9a68a7ed90f0eea_JaffaCakes118.exe | N/A |
Checks BIOS information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | C:\Users\Admin\AppData\Local\Temp\9e89ec8a6d7a50e4f9a68a7ed90f0eea_JaffaCakes118.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Users\Admin\AppData\Local\Temp\9e89ec8a6d7a50e4f9a68a7ed90f0eea_JaffaCakes118.exe | N/A |
Themida packer
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Checks whether UAC is enabled
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA | C:\Users\Admin\AppData\Local\Temp\9e89ec8a6d7a50e4f9a68a7ed90f0eea_JaffaCakes118.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Users\Admin\AppData\Local\Temp\9e89ec8a6d7a50e4f9a68a7ed90f0eea_JaffaCakes118.exe | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | checkip.dyndns.org | N/A | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\9e89ec8a6d7a50e4f9a68a7ed90f0eea_JaffaCakes118.exe | N/A |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz | C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe | N/A |
| Key opened | \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 | C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe | N/A |
Enumerates system info in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\Hardware\Description\System\BIOS | C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU | C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\9e89ec8a6d7a50e4f9a68a7ed90f0eea_JaffaCakes118.exe | N/A |
| Token: SeRestorePrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe | N/A |
| Token: SeBackupPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe | N/A |
| Token: SeBackupPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe | N/A |
| Token: SeBackupPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3032 wrote to memory of 3148 | N/A | C:\Users\Admin\AppData\Local\Temp\9e89ec8a6d7a50e4f9a68a7ed90f0eea_JaffaCakes118.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe |
| PID 3032 wrote to memory of 3148 | N/A | C:\Users\Admin\AppData\Local\Temp\9e89ec8a6d7a50e4f9a68a7ed90f0eea_JaffaCakes118.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe |
| PID 3032 wrote to memory of 3148 | N/A | C:\Users\Admin\AppData\Local\Temp\9e89ec8a6d7a50e4f9a68a7ed90f0eea_JaffaCakes118.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe |
System policy modification
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableSmartScreen = "0" | C:\Users\Admin\AppData\Local\Temp\9e89ec8a6d7a50e4f9a68a7ed90f0eea_JaffaCakes118.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Users\Admin\AppData\Local\Temp\9e89ec8a6d7a50e4f9a68a7ed90f0eea_JaffaCakes118.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" | C:\Users\Admin\AppData\Local\Temp\9e89ec8a6d7a50e4f9a68a7ed90f0eea_JaffaCakes118.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" | C:\Users\Admin\AppData\Local\Temp\9e89ec8a6d7a50e4f9a68a7ed90f0eea_JaffaCakes118.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\9e89ec8a6d7a50e4f9a68a7ed90f0eea_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\9e89ec8a6d7a50e4f9a68a7ed90f0eea_JaffaCakes118.exe"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
dw20.exe -x -s 1688
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | checkip.dyndns.org | udp |
| US | 193.122.130.0:80 | checkip.dyndns.org | tcp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 129.83.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 85.177.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.130.122.193.in-addr.arpa | udp |
| US | 8.8.8.8:53 | www.google.com | udp |
| GB | 142.250.187.196:443 | www.google.com | tcp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | pushing.pk | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 105.83.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | udp |
Files
memory/3032-0-0x00000000005F0000-0x0000000000EAE000-memory.dmp
memory/3032-2-0x00000000756C0000-0x00000000757B0000-memory.dmp
memory/3032-1-0x00000000756E0000-0x00000000756E1000-memory.dmp
memory/3032-3-0x00000000756C0000-0x00000000757B0000-memory.dmp
memory/3032-4-0x00000000756C0000-0x00000000757B0000-memory.dmp
memory/3032-6-0x00000000756C0000-0x00000000757B0000-memory.dmp
memory/3032-5-0x00000000756C0000-0x00000000757B0000-memory.dmp
memory/3032-7-0x00000000756C0000-0x00000000757B0000-memory.dmp
memory/3032-10-0x00000000756C0000-0x00000000757B0000-memory.dmp
memory/3032-11-0x00000000005F0000-0x0000000000EAE000-memory.dmp
memory/3032-13-0x00000000756E0000-0x00000000756E1000-memory.dmp
memory/3032-14-0x00000000756C0000-0x00000000757B0000-memory.dmp
memory/3032-28-0x00000000756C0000-0x00000000757B0000-memory.dmp
memory/3032-29-0x00000000005F0000-0x0000000000EAE000-memory.dmp