blacknet | 5b14d9674cbd536403423c9822182497469034a86ad12ced50ab02bdc9166cce

Virtualization/Sandbox Evasion

Processes:

5de9dcc57b578bf915e553ae272269dc.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Oracle\VirtualBox Guest Additions	5de9dcc57b578bf915e553ae272269dc.exe

Looks for VMWare Tools registry key 2 TTPs 1 IoCs

evasion

Query Registry

Virtualization/Sandbox Evasion

Processes:

5de9dcc57b578bf915e553ae272269dc.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\VMware, Inc.\VMware Tools	5de9dcc57b578bf915e553ae272269dc.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

Processes:

5de9dcc57b578bf915e553ae272269dc.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	5de9dcc57b578bf915e553ae272269dc.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	5de9dcc57b578bf915e553ae272269dc.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

Processes:

5de9dcc57b578bf915e553ae272269dc.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	5de9dcc57b578bf915e553ae272269dc.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	5de9dcc57b578bf915e553ae272269dc.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

5de9dcc57b578bf915e553ae272269dc.exe

description	pid	Process	procid_target
PID 3064 set thread context of 2648	3064	5de9dcc57b578bf915e553ae272269dc.exe	31

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

Processes:

schtasks.exe

pid	Process
2756	schtasks.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

Processes:

PING.EXE

pid	Process
2432	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

RegSvcs.exe

pid	Process
2648	RegSvcs.exe
2648	RegSvcs.exe
2648	RegSvcs.exe
2648	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegSvcs.exe

description	pid	Process
Token: SeDebugPrivilege	2648	RegSvcs.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

RegSvcs.exe

pid	Process
2648	RegSvcs.exe
2648	RegSvcs.exe
2648	RegSvcs.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

5de9dcc57b578bf915e553ae272269dc.exeRegSvcs.execmd.exe

description	pid	Process	procid_target
PID 3064 wrote to memory of 2756	3064	5de9dcc57b578bf915e553ae272269dc.exe	29
PID 3064 wrote to memory of 2756	3064	5de9dcc57b578bf915e553ae272269dc.exe	29
PID 3064 wrote to memory of 2756	3064	5de9dcc57b578bf915e553ae272269dc.exe	29
PID 3064 wrote to memory of 2756	3064	5de9dcc57b578bf915e553ae272269dc.exe	29
PID 3064 wrote to memory of 2648	3064	5de9dcc57b578bf915e553ae272269dc.exe	31
PID 3064 wrote to memory of 2648	3064	5de9dcc57b578bf915e553ae272269dc.exe	31
PID 3064 wrote to memory of 2648	3064	5de9dcc57b578bf915e553ae272269dc.exe	31
PID 3064 wrote to memory of 2648	3064	5de9dcc57b578bf915e553ae272269dc.exe	31
PID 3064 wrote to memory of 2648	3064	5de9dcc57b578bf915e553ae272269dc.exe	31
PID 3064 wrote to memory of 2648	3064	5de9dcc57b578bf915e553ae272269dc.exe	31
PID 3064 wrote to memory of 2648	3064	5de9dcc57b578bf915e553ae272269dc.exe	31
PID 3064 wrote to memory of 2648	3064	5de9dcc57b578bf915e553ae272269dc.exe	31
PID 3064 wrote to memory of 2648	3064	5de9dcc57b578bf915e553ae272269dc.exe	31
PID 3064 wrote to memory of 2648	3064	5de9dcc57b578bf915e553ae272269dc.exe	31
PID 3064 wrote to memory of 2648	3064	5de9dcc57b578bf915e553ae272269dc.exe	31
PID 3064 wrote to memory of 2648	3064	5de9dcc57b578bf915e553ae272269dc.exe	31
PID 2648 wrote to memory of 3052	2648	RegSvcs.exe	32
PID 2648 wrote to memory of 3052	2648	RegSvcs.exe	32
PID 2648 wrote to memory of 3052	2648	RegSvcs.exe	32
PID 2648 wrote to memory of 3052	2648	RegSvcs.exe	32
PID 3052 wrote to memory of 2432	3052	cmd.exe	34
PID 3052 wrote to memory of 2432	3052	cmd.exe	34
PID 3052 wrote to memory of 2432	3052	cmd.exe	34
PID 3052 wrote to memory of 2432	3052	cmd.exe	34

C:\Users\Admin\AppData\Local\Temp\5de9dcc57b578bf915e553ae272269dc.exe
"C:\Users\Admin\AppData\Local\Temp\5de9dcc57b578bf915e553ae272269dc.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 SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3064
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TiqvqaWbL" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB6D1.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2756
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "{path}"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2648
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c ping 1.1.1.1 -n 5 -w 5000 > Nul & Del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3052
  - - C:\Windows\SysWOW64\PING.EXE
      ping 1.1.1.1 -n 5 -w 5000
      4⤵
      Runs ping.exe
      PID:2432

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

Persistence

Scheduled Task/Job

Privilege Escalation

Scheduled Task/Job

Defense Evasion

Virtualization/Sandbox Evasion

2

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

Remote System Discovery

T1018

System Information Discovery

3

T1082

Virtualization/Sandbox Evasion

2