Analysis Overview
SHA256
a22dbc7aab26757e26cc2c626b54a62ab425cbe19fe202fb8b7f70e2b5d64082
Threat Level: Known bad
The file 8b5861dc1c5772a6512aef0fa0761956 was found to be: Known bad.
Malicious Activity Summary
njRAT/Bladabindi
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Checks BIOS information in registry
Themida packer
Drops startup file
Adds Run key to start application
Checks whether UAC is enabled
Suspicious use of NtSetInformationThreadHideFromDebugger
Unsigned PE
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-02-03 04:01
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
2024-02-03 04:01
Reported
2024-02-03 04:04
Platform
win7-20231215-en
Max time kernel
160s
Max time network
168s
Command Line
Signatures
njRAT/Bladabindi
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\8b5861dc1c5772a6512aef0fa0761956.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\8b5861dc1c5772a6512aef0fa0761956.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Users\Admin\AppData\Local\Temp\8b5861dc1c5772a6512aef0fa0761956.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java update.exe | C:\Users\Admin\AppData\Local\Temp\8b5861dc1c5772a6512aef0fa0761956.exe | N/A |
Themida packer
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\8b5861dc1c5772a6512aef0fa0761956.exe\" .." | C:\Users\Admin\AppData\Local\Temp\8b5861dc1c5772a6512aef0fa0761956.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\8b5861dc1c5772a6512aef0fa0761956.exe\" .." | C:\Users\Admin\AppData\Local\Temp\8b5861dc1c5772a6512aef0fa0761956.exe | 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\8b5861dc1c5772a6512aef0fa0761956.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\8b5861dc1c5772a6512aef0fa0761956.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\8b5861dc1c5772a6512aef0fa0761956.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Processes
C:\Users\Admin\AppData\Local\Temp\8b5861dc1c5772a6512aef0fa0761956.exe
"C:\Users\Admin\AppData\Local\Temp\8b5861dc1c5772a6512aef0fa0761956.exe"
Network
| Country | Destination | Domain | Proto |
| N/A | 192.168.0.23:1604 | tcp | |
| N/A | 192.168.0.23:1604 | tcp | |
| N/A | 192.168.0.23:1604 | tcp | |
| N/A | 192.168.0.23:1604 | tcp | |
| N/A | 192.168.0.23:1604 | tcp | |
| N/A | 192.168.0.23:1604 | tcp | |
| N/A | 192.168.0.23:1604 | tcp |
Files
memory/1180-0-0x0000000000300000-0x000000000119C000-memory.dmp
memory/1180-1-0x0000000076040000-0x0000000076150000-memory.dmp
memory/1180-2-0x0000000076040000-0x0000000076150000-memory.dmp
memory/1180-3-0x0000000076040000-0x0000000076150000-memory.dmp
memory/1180-4-0x0000000075E90000-0x0000000075ED7000-memory.dmp
memory/1180-5-0x0000000076040000-0x0000000076150000-memory.dmp
memory/1180-6-0x0000000076040000-0x0000000076150000-memory.dmp
memory/1180-7-0x0000000075E90000-0x0000000075ED7000-memory.dmp
memory/1180-8-0x0000000076040000-0x0000000076150000-memory.dmp
memory/1180-14-0x0000000076040000-0x0000000076150000-memory.dmp
memory/1180-17-0x0000000076040000-0x0000000076150000-memory.dmp
memory/1180-16-0x0000000076040000-0x0000000076150000-memory.dmp
memory/1180-15-0x0000000076040000-0x0000000076150000-memory.dmp
memory/1180-13-0x0000000076040000-0x0000000076150000-memory.dmp
memory/1180-19-0x0000000076040000-0x0000000076150000-memory.dmp
memory/1180-21-0x0000000077A70000-0x0000000077A72000-memory.dmp
memory/1180-20-0x0000000076040000-0x0000000076150000-memory.dmp
memory/1180-18-0x0000000076040000-0x0000000076150000-memory.dmp
memory/1180-11-0x0000000076040000-0x0000000076150000-memory.dmp
memory/1180-22-0x0000000000300000-0x000000000119C000-memory.dmp
memory/1180-23-0x0000000000300000-0x000000000119C000-memory.dmp
memory/1180-26-0x0000000000300000-0x000000000119C000-memory.dmp
memory/1180-28-0x0000000075E90000-0x0000000075ED7000-memory.dmp
memory/1180-29-0x0000000076040000-0x0000000076150000-memory.dmp
memory/1180-30-0x0000000076040000-0x0000000076150000-memory.dmp
memory/1180-31-0x0000000076040000-0x0000000076150000-memory.dmp
memory/1180-32-0x0000000076040000-0x0000000076150000-memory.dmp
memory/1180-33-0x0000000076040000-0x0000000076150000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-02-03 04:01
Reported
2024-02-03 04:04
Platform
win10v2004-20231215-en
Max time kernel
161s
Max time network
168s
Command Line
Signatures
njRAT/Bladabindi
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\8b5861dc1c5772a6512aef0fa0761956.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\8b5861dc1c5772a6512aef0fa0761956.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | C:\Users\Admin\AppData\Local\Temp\8b5861dc1c5772a6512aef0fa0761956.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java update.exe | C:\Users\Admin\AppData\Local\Temp\8b5861dc1c5772a6512aef0fa0761956.exe | N/A |
Themida packer
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\8b5861dc1c5772a6512aef0fa0761956.exe\" .." | C:\Users\Admin\AppData\Local\Temp\8b5861dc1c5772a6512aef0fa0761956.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\8b5861dc1c5772a6512aef0fa0761956.exe\" .." | C:\Users\Admin\AppData\Local\Temp\8b5861dc1c5772a6512aef0fa0761956.exe | 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\8b5861dc1c5772a6512aef0fa0761956.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\8b5861dc1c5772a6512aef0fa0761956.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\8b5861dc1c5772a6512aef0fa0761956.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Processes
C:\Users\Admin\AppData\Local\Temp\8b5861dc1c5772a6512aef0fa0761956.exe
"C:\Users\Admin\AppData\Local\Temp\8b5861dc1c5772a6512aef0fa0761956.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 79.121.231.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 67.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| N/A | 192.168.0.23:1604 | tcp | |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| N/A | 192.168.0.23:1604 | tcp | |
| N/A | 192.168.0.23:1604 | tcp | |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
| N/A | 192.168.0.23:1604 | tcp | |
| N/A | 192.168.0.23:1604 | tcp | |
| N/A | 192.168.0.23:1604 | tcp | |
| US | 8.8.8.8:53 | 9.173.189.20.in-addr.arpa | udp |
| N/A | 192.168.0.23:1604 | tcp |
Files
memory/1468-0-0x0000000000380000-0x000000000121C000-memory.dmp
memory/1468-1-0x0000000076320000-0x0000000076410000-memory.dmp
memory/1468-3-0x0000000076320000-0x0000000076410000-memory.dmp
memory/1468-5-0x0000000076320000-0x0000000076410000-memory.dmp
memory/1468-6-0x0000000076320000-0x0000000076410000-memory.dmp
memory/1468-4-0x0000000076320000-0x0000000076410000-memory.dmp
memory/1468-2-0x0000000076320000-0x0000000076410000-memory.dmp
memory/1468-8-0x0000000077AB4000-0x0000000077AB6000-memory.dmp
memory/1468-11-0x0000000000380000-0x000000000121C000-memory.dmp
memory/1468-12-0x0000000000380000-0x000000000121C000-memory.dmp
memory/1468-13-0x0000000005AC0000-0x0000000005B5C000-memory.dmp
memory/1468-14-0x0000000006390000-0x0000000006934000-memory.dmp
memory/1468-15-0x0000000005EF0000-0x0000000005F82000-memory.dmp
memory/1468-17-0x0000000005E50000-0x0000000005E5A000-memory.dmp
memory/1468-19-0x0000000000380000-0x000000000121C000-memory.dmp
memory/1468-20-0x0000000076320000-0x0000000076410000-memory.dmp
memory/1468-21-0x0000000076320000-0x0000000076410000-memory.dmp
memory/1468-22-0x0000000076320000-0x0000000076410000-memory.dmp
memory/1468-24-0x0000000076320000-0x0000000076410000-memory.dmp