nanocore | fdff2fa421d49740b428cea640d08b2ba1ba26aee2eebd516f4754748d086391

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Oracle\VirtualBox Guest Additions	223665e6e6577334fcc3987df38e6100.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	223665e6e6577334fcc3987df38e6100.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\SystemBiosVersion	223665e6e6577334fcc3987df38e6100.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	223665e6e6577334fcc3987df38e6100.exe

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	223665e6e6577334fcc3987df38e6100.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	223665e6e6577334fcc3987df38e6100.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
2528	schtasks.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2128 wrote to memory of 2460	2128	223665e6e6577334fcc3987df38e6100.exe	29
PID 2128 wrote to memory of 2460	2128	223665e6e6577334fcc3987df38e6100.exe	29
PID 2128 wrote to memory of 2460	2128	223665e6e6577334fcc3987df38e6100.exe	29
PID 2128 wrote to memory of 2460	2128	223665e6e6577334fcc3987df38e6100.exe	29
PID 2128 wrote to memory of 2672	2128	223665e6e6577334fcc3987df38e6100.exe	30
PID 2128 wrote to memory of 2672	2128	223665e6e6577334fcc3987df38e6100.exe	30
PID 2128 wrote to memory of 2672	2128	223665e6e6577334fcc3987df38e6100.exe	30
PID 2128 wrote to memory of 2672	2128	223665e6e6577334fcc3987df38e6100.exe	30
PID 2128 wrote to memory of 2528	2128	223665e6e6577334fcc3987df38e6100.exe	37
PID 2128 wrote to memory of 2528	2128	223665e6e6577334fcc3987df38e6100.exe	37
PID 2128 wrote to memory of 2528	2128	223665e6e6577334fcc3987df38e6100.exe	37
PID 2128 wrote to memory of 2528	2128	223665e6e6577334fcc3987df38e6100.exe	37

C:\Users\Admin\AppData\Local\Temp\223665e6e6577334fcc3987df38e6100.exe
"C:\Users\Admin\AppData\Local\Temp\223665e6e6577334fcc3987df38e6100.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:2128
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\223665e6e6577334fcc3987df38e6100.exe"
  2⤵
  PID:2460
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ibQllCItUmfdl.exe"
  2⤵
  PID:2672
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
  2⤵
  PID:2924
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
  2⤵
  PID:3016
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ibQllCItUmfdl.exe"
  2⤵
  PID:2912
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ibQllCItUmfdl" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBB73.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2528

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