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

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

System Information Discovery

Processes:

5de9dcc57b578bf915e553ae272269dc.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Control Panel\International\Geo\Nation	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

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 2420 set thread context of 3492	2420	5de9dcc57b578bf915e553ae272269dc.exe	101

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
368	schtasks.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

Processes:

PING.EXE

pid	Process
1844	PING.EXE

Suspicious behavior: EnumeratesProcesses 24 IoCs

Processes:

RegSvcs.exe

pid	Process
3492	RegSvcs.exe
3492	RegSvcs.exe
3492	RegSvcs.exe
3492	RegSvcs.exe
3492	RegSvcs.exe
3492	RegSvcs.exe
3492	RegSvcs.exe
3492	RegSvcs.exe
3492	RegSvcs.exe
3492	RegSvcs.exe
3492	RegSvcs.exe
3492	RegSvcs.exe
3492	RegSvcs.exe
3492	RegSvcs.exe
3492	RegSvcs.exe
3492	RegSvcs.exe
3492	RegSvcs.exe
3492	RegSvcs.exe
3492	RegSvcs.exe
3492	RegSvcs.exe
3492	RegSvcs.exe
3492	RegSvcs.exe
3492	RegSvcs.exe
3492	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegSvcs.exe

description	pid	Process
Token: SeDebugPrivilege	3492	RegSvcs.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

RegSvcs.exe

pid	Process
3492	RegSvcs.exe
3492	RegSvcs.exe
3492	RegSvcs.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

5de9dcc57b578bf915e553ae272269dc.exeRegSvcs.execmd.exe

description	pid	Process	procid_target
PID 2420 wrote to memory of 368	2420	5de9dcc57b578bf915e553ae272269dc.exe	99
PID 2420 wrote to memory of 368	2420	5de9dcc57b578bf915e553ae272269dc.exe	99
PID 2420 wrote to memory of 368	2420	5de9dcc57b578bf915e553ae272269dc.exe	99
PID 2420 wrote to memory of 3492	2420	5de9dcc57b578bf915e553ae272269dc.exe	101
PID 2420 wrote to memory of 3492	2420	5de9dcc57b578bf915e553ae272269dc.exe	101
PID 2420 wrote to memory of 3492	2420	5de9dcc57b578bf915e553ae272269dc.exe	101
PID 2420 wrote to memory of 3492	2420	5de9dcc57b578bf915e553ae272269dc.exe	101
PID 2420 wrote to memory of 3492	2420	5de9dcc57b578bf915e553ae272269dc.exe	101
PID 2420 wrote to memory of 3492	2420	5de9dcc57b578bf915e553ae272269dc.exe	101
PID 2420 wrote to memory of 3492	2420	5de9dcc57b578bf915e553ae272269dc.exe	101
PID 2420 wrote to memory of 3492	2420	5de9dcc57b578bf915e553ae272269dc.exe	101
PID 3492 wrote to memory of 4172	3492	RegSvcs.exe	103
PID 3492 wrote to memory of 4172	3492	RegSvcs.exe	103
PID 3492 wrote to memory of 4172	3492	RegSvcs.exe	103
PID 4172 wrote to memory of 1844	4172	cmd.exe	104
PID 4172 wrote to memory of 1844	4172	cmd.exe	104
PID 4172 wrote to memory of 1844	4172	cmd.exe	104

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
- Checks computer location settings
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2420
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TiqvqaWbL" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCF17.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:368
- 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:3492
- - 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:4172
  - - C:\Windows\SysWOW64\PING.EXE
      ping 1.1.1.1 -n 5 -w 5000
      4⤵
      Runs ping.exe
      PID:1844

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

4

Virtualization/Sandbox Evasion

2