33e6b8a634ba08facba420eed6f61933570fb26e59fdba5a52603148c31e8792

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Oracle\VirtualBox Guest Additions	b0011be8c7cd1c9865e1f1ed406197d4.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Oracle\VirtualBox Guest Additions	svchost.exe

Looks for VMWare Tools registry key 2 TTPs 2 IoCs

evasion

Query Registry

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\VMware, Inc.\VMware Tools	b0011be8c7cd1c9865e1f1ed406197d4.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\VMware, Inc.\VMware Tools	svchost.exe

Checks BIOS information in registry 2 TTPs 4 IoCs

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

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	b0011be8c7cd1c9865e1f1ed406197d4.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	b0011be8c7cd1c9865e1f1ed406197d4.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	svchost.exe

Checks computer location settings 2 TTPs 1 IoCs

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

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-922299981-3641064733-3870770889-1000\Control Panel\International\Geo\Nation	b0011be8c7cd1c9865e1f1ed406197d4.exe

Executes dropped EXE 1 IoCs

pid	Process
1356	svchost.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-922299981-3641064733-3870770889-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svchost = "\"C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe\""	b0011be8c7cd1c9865e1f1ed406197d4.exe

Maps connected drives based on registry 3 TTPs 4 IoCs

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

Query Registry

Peripheral Device Discovery

T1120

System Information Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	b0011be8c7cd1c9865e1f1ed406197d4.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	b0011be8c7cd1c9865e1f1ed406197d4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	svchost.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	svchost.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

T1053

pid	Process
4456	schtasks.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
1716	timeout.exe

Suspicious behavior: EnumeratesProcesses 23 IoCs

pid	Process
2120	b0011be8c7cd1c9865e1f1ed406197d4.exe
2120	b0011be8c7cd1c9865e1f1ed406197d4.exe
2120	b0011be8c7cd1c9865e1f1ed406197d4.exe
2120	b0011be8c7cd1c9865e1f1ed406197d4.exe
2120	b0011be8c7cd1c9865e1f1ed406197d4.exe
2120	b0011be8c7cd1c9865e1f1ed406197d4.exe
2120	b0011be8c7cd1c9865e1f1ed406197d4.exe
2120	b0011be8c7cd1c9865e1f1ed406197d4.exe
2120	b0011be8c7cd1c9865e1f1ed406197d4.exe
2120	b0011be8c7cd1c9865e1f1ed406197d4.exe
2120	b0011be8c7cd1c9865e1f1ed406197d4.exe
2120	b0011be8c7cd1c9865e1f1ed406197d4.exe
2120	b0011be8c7cd1c9865e1f1ed406197d4.exe
2120	b0011be8c7cd1c9865e1f1ed406197d4.exe
2120	b0011be8c7cd1c9865e1f1ed406197d4.exe
2120	b0011be8c7cd1c9865e1f1ed406197d4.exe
2120	b0011be8c7cd1c9865e1f1ed406197d4.exe
2120	b0011be8c7cd1c9865e1f1ed406197d4.exe
2120	b0011be8c7cd1c9865e1f1ed406197d4.exe
2120	b0011be8c7cd1c9865e1f1ed406197d4.exe
2120	b0011be8c7cd1c9865e1f1ed406197d4.exe
2120	b0011be8c7cd1c9865e1f1ed406197d4.exe
2120	b0011be8c7cd1c9865e1f1ed406197d4.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
664	Process not Found

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2120	b0011be8c7cd1c9865e1f1ed406197d4.exe
Token: SeDebugPrivilege	1356	svchost.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2120 wrote to memory of 3248	2120	b0011be8c7cd1c9865e1f1ed406197d4.exe	89
PID 2120 wrote to memory of 3248	2120	b0011be8c7cd1c9865e1f1ed406197d4.exe	89
PID 2120 wrote to memory of 4020	2120	b0011be8c7cd1c9865e1f1ed406197d4.exe	91
PID 2120 wrote to memory of 4020	2120	b0011be8c7cd1c9865e1f1ed406197d4.exe	91
PID 4020 wrote to memory of 1716	4020	cmd.exe	93
PID 4020 wrote to memory of 1716	4020	cmd.exe	93
PID 3248 wrote to memory of 4456	3248	cmd.exe	94
PID 3248 wrote to memory of 4456	3248	cmd.exe	94
PID 4020 wrote to memory of 1356	4020	cmd.exe	95
PID 4020 wrote to memory of 1356	4020	cmd.exe	95

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\b0011be8c7cd1c9865e1f1ed406197d4.exe
"C:\Users\Admin\AppData\Local\Temp\b0011be8c7cd1c9865e1f1ed406197d4.exe"
1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Checks computer location settings
- Adds Run key to start application
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2120
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"' & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3248
- - C:\Windows\system32\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"'
    3⤵
    - Creates scheduled task(s)
    PID:4456
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpA6E3.tmp.bat""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4020
- - C:\Windows\system32\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:1716
- - C:\Users\Admin\AppData\Roaming\svchost.exe
    "C:\Users\Admin\AppData\Roaming\svchost.exe"
    3⤵
    - Looks for VirtualBox Guest Additions in registry
    - Looks for VMWare Tools registry key
    - Checks BIOS information in registry
    - Executes dropped EXE
    - Maps connected drives based on registry
    - Suspicious use of AdjustPrivilegeToken
    PID:1356

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

Scheduled Task

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Virtualization/Sandbox Evasion

2

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

4

Virtualization/Sandbox Evasion

2