f5fbd66fa754b518289e512f61ed872924ff06f80ec48dc08bd270b179d783cd

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Oracle\VirtualBox Guest Additions	d345138f48b7d610e4f7d280504a5a36.exe

Looks for VMWare Tools registry key 2 TTPs 1 IoCs

evasion

Query Registry

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\VMware, Inc.\VMware Tools	d345138f48b7d610e4f7d280504a5a36.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	d345138f48b7d610e4f7d280504a5a36.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	d345138f48b7d610e4f7d280504a5a36.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1656-14-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1656-15-0x0000000000400000-0x00000000007E4000-memory.dmp	upx

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	d345138f48b7d610e4f7d280504a5a36.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	d345138f48b7d610e4f7d280504a5a36.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

pid	Process
2912	schtasks.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2244 wrote to memory of 2912	2244	d345138f48b7d610e4f7d280504a5a36.exe	31
PID 2244 wrote to memory of 2912	2244	d345138f48b7d610e4f7d280504a5a36.exe	31
PID 2244 wrote to memory of 2912	2244	d345138f48b7d610e4f7d280504a5a36.exe	31
PID 2244 wrote to memory of 2912	2244	d345138f48b7d610e4f7d280504a5a36.exe	31
PID 2244 wrote to memory of 1656	2244	d345138f48b7d610e4f7d280504a5a36.exe	33
PID 2244 wrote to memory of 1656	2244	d345138f48b7d610e4f7d280504a5a36.exe	33
PID 2244 wrote to memory of 1656	2244	d345138f48b7d610e4f7d280504a5a36.exe	33
PID 2244 wrote to memory of 1656	2244	d345138f48b7d610e4f7d280504a5a36.exe	33
PID 2244 wrote to memory of 1656	2244	d345138f48b7d610e4f7d280504a5a36.exe	33
PID 2244 wrote to memory of 1656	2244	d345138f48b7d610e4f7d280504a5a36.exe	33
PID 2244 wrote to memory of 1656	2244	d345138f48b7d610e4f7d280504a5a36.exe	33

C:\Users\Admin\AppData\Local\Temp\d345138f48b7d610e4f7d280504a5a36.exe
"C:\Users\Admin\AppData\Local\Temp\d345138f48b7d610e4f7d280504a5a36.exe"
1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of WriteProcessMemory
PID:2244
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NWKQwZWIgp" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDB61.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2912
- C:\Users\Admin\AppData\Local\Temp\d345138f48b7d610e4f7d280504a5a36.exe
  "C:\Users\Admin\AppData\Local\Temp\d345138f48b7d610e4f7d280504a5a36.exe"
  2⤵
  PID:1656

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

Persistence

Scheduled Task/Job

1

Privilege Escalation

Scheduled Task/Job

1

Defense Evasion

Virtualization/Sandbox Evasion

2

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

3

T1082

Virtualization/Sandbox Evasion

2