Analysis Overview
SHA256
f4fcee629d0cff0f3ef2293353bd65945f5d022872692084a2070a2be45b6955
Threat Level: Known bad
The file Nitro Generator.exe was found to be: Known bad.
Malicious Activity Summary
Mercurialgrabber family
Mercurial Grabber Stealer
Looks for VirtualBox Guest Additions in registry
Looks for VMWare Tools registry key
Checks BIOS information in registry
Legitimate hosting services abused for malware hosting/C2
Maps connected drives based on registry
Program crash
Suspicious use of WriteProcessMemory
Checks SCSI registry key(s)
Enumerates system info in registry
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-10-08 01:30
Signatures
Mercurialgrabber family
Analysis: behavioral1
Detonation Overview
Submitted
2022-10-08 01:30
Reported
2022-10-08 01:33
Platform
win7-20220812-en
Max time kernel
42s
Max time network
45s
Command Line
Signatures
Mercurial Grabber Stealer
Looks for VirtualBox Guest Additions in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SOFTWARE\Oracle\VirtualBox Guest Additions | C:\Users\Admin\AppData\Local\Temp\Nitro Generator.exe | N/A |
Looks for VMWare Tools registry key
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SOFTWARE\VMWare, Inc.\VMWare Tools | C:\Users\Admin\AppData\Local\Temp\Nitro Generator.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\Nitro Generator.exe | N/A |
Legitimate hosting services abused for malware hosting/C2
Maps connected drives based on registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum | C:\Users\Admin\AppData\Local\Temp\Nitro Generator.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 | C:\Users\Admin\AppData\Local\Temp\Nitro Generator.exe | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\Nitro Generator.exe |
Checks SCSI registry key(s)
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_VMware_&Prod_VMware_Virtual_S | C:\Users\Admin\AppData\Local\Temp\Nitro Generator.exe | N/A |
Enumerates system info in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemProductName | C:\Users\Admin\AppData\Local\Temp\Nitro Generator.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Logical Unit Id 0 | C:\Users\Admin\AppData\Local\Temp\Nitro Generator.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosInformation | C:\Users\Admin\AppData\Local\Temp\Nitro Generator.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemManufacturer | C:\Users\Admin\AppData\Local\Temp\Nitro Generator.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\Nitro Generator.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 864 wrote to memory of 2008 | N/A | C:\Users\Admin\AppData\Local\Temp\Nitro Generator.exe | C:\Windows\system32\WerFault.exe |
| PID 864 wrote to memory of 2008 | N/A | C:\Users\Admin\AppData\Local\Temp\Nitro Generator.exe | C:\Windows\system32\WerFault.exe |
| PID 864 wrote to memory of 2008 | N/A | C:\Users\Admin\AppData\Local\Temp\Nitro Generator.exe | C:\Windows\system32\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\Nitro Generator.exe
"C:\Users\Admin\AppData\Local\Temp\Nitro Generator.exe"
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 864 -s 1216
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | discord.com | udp |
| US | 162.159.138.232:443 | discord.com | tcp |
| US | 162.159.138.232:443 | discord.com | tcp |
Files
memory/864-54-0x0000000001310000-0x0000000001320000-memory.dmp
memory/2008-55-0x0000000000000000-mapping.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-10-08 01:30
Reported
2022-10-08 01:34
Platform
win10v2004-20220812-en
Max time kernel
91s
Max time network
163s
Command Line
Signatures
Mercurial Grabber Stealer
Looks for VirtualBox Guest Additions in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SOFTWARE\Oracle\VirtualBox Guest Additions | C:\Users\Admin\AppData\Local\Temp\Nitro Generator.exe | N/A |
Looks for VMWare Tools registry key
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SOFTWARE\VMWare, Inc.\VMWare Tools | C:\Users\Admin\AppData\Local\Temp\Nitro Generator.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\Nitro Generator.exe | N/A |
Legitimate hosting services abused for malware hosting/C2
Maps connected drives based on registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum | C:\Users\Admin\AppData\Local\Temp\Nitro Generator.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 | C:\Users\Admin\AppData\Local\Temp\Nitro Generator.exe | N/A |
Checks SCSI registry key(s)
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_VMware_&Prod_VMware_Virtual_S | C:\Users\Admin\AppData\Local\Temp\Nitro Generator.exe | N/A |
Enumerates system info in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosInformation | C:\Users\Admin\AppData\Local\Temp\Nitro Generator.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemManufacturer | C:\Users\Admin\AppData\Local\Temp\Nitro Generator.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemProductName | C:\Users\Admin\AppData\Local\Temp\Nitro Generator.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Logical Unit Id 0 | C:\Users\Admin\AppData\Local\Temp\Nitro Generator.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Nitro Generator.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\Nitro Generator.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\Nitro Generator.exe
"C:\Users\Admin\AppData\Local\Temp\Nitro Generator.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | discord.com | udp |
| US | 162.159.128.233:443 | discord.com | tcp |
| US | 162.159.128.233:443 | discord.com | tcp |
| IE | 13.69.239.72:443 | tcp |
Files
memory/3948-132-0x0000000000250000-0x0000000000260000-memory.dmp
memory/3948-133-0x00007FFA06280000-0x00007FFA06D41000-memory.dmp
memory/3948-134-0x00007FFA06280000-0x00007FFA06D41000-memory.dmp