Analysis Overview
SHA256
e1790e7dd80127ecb73f0a540f2ad8b4479bb97a0ecb7be807a67bc06fda94f2
Threat Level: Known bad
The file stub.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
Reads user/profile data of web browsers
Checks BIOS information in registry
Looks up external IP address via web service
Maps connected drives based on registry
Legitimate hosting services abused for malware hosting/C2
Unsigned PE
Enumerates system info in registry
Suspicious use of AdjustPrivilegeToken
Checks SCSI registry key(s)
Checks processor information in registry
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2023-05-22 23:23
Signatures
Mercurialgrabber family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-05-22 23:23
Reported
2023-05-22 23:23
Platform
win10-20230220-en
Max time kernel
16s
Max time network
18s
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\stub.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\stub.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\stub.exe | N/A |
Reads user/profile data of web browsers
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | ip4.seeip.org | N/A | N/A |
| N/A | ip4.seeip.org | N/A | N/A |
| N/A | ip4.seeip.org | N/A | N/A |
| N/A | ip-api.com | N/A | N/A |
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\stub.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum\0 | C:\Users\Admin\AppData\Local\Temp\stub.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\stub.exe | N/A |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 | C:\Users\Admin\AppData\Local\Temp\stub.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Users\Admin\AppData\Local\Temp\stub.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\stub.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemManufacturer | C:\Users\Admin\AppData\Local\Temp\stub.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemProductName | C:\Users\Admin\AppData\Local\Temp\stub.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Logical Unit Id 0 | C:\Users\Admin\AppData\Local\Temp\stub.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\stub.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\stub.exe
"C:\Users\Admin\AppData\Local\Temp\stub.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | ip4.seeip.org | udp |
| US | 23.128.64.141:443 | ip4.seeip.org | tcp |
| US | 8.8.8.8:53 | 141.64.128.23.in-addr.arpa | udp |
| US | 23.128.64.141:443 | ip4.seeip.org | tcp |
| US | 8.8.8.8:53 | ip-api.com | udp |
| US | 208.95.112.1:80 | ip-api.com | tcp |
| US | 8.8.8.8:53 | discord.com | udp |
| US | 162.159.135.232:443 | discord.com | tcp |
| US | 162.159.135.232:443 | discord.com | tcp |
| US | 8.8.8.8:53 | 1.112.95.208.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.135.159.162.in-addr.arpa | udp |
| NL | 20.103.253.93:80 | tcp |
Files
memory/3712-116-0x0000000000160000-0x0000000000170000-memory.dmp
memory/3712-117-0x000000001AE10000-0x000000001AE20000-memory.dmp
memory/3712-118-0x000000001AE10000-0x000000001AE20000-memory.dmp