remcos | 9fca9b35737fe01eb61384f3983adc3d49fc2bdd51e677bea1ac57973b8e86c0

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Oracle\VirtualBox Guest Additions	HBL+BL SHIPPING DOCUMENTS.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2700	powershell.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	HBL+BL SHIPPING DOCUMENTS.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	HBL+BL SHIPPING DOCUMENTS.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	HBL+BL SHIPPING DOCUMENTS.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	HBL+BL SHIPPING DOCUMENTS.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	HBL+BL SHIPPING DOCUMENTS.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2812 set thread context of 588	2812	HBL+BL SHIPPING DOCUMENTS.exe	33

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	HBL+BL SHIPPING DOCUMENTS.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2812	HBL+BL SHIPPING DOCUMENTS.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2700	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2700	powershell.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2812 wrote to memory of 2700	2812	HBL+BL SHIPPING DOCUMENTS.exe	30
PID 2812 wrote to memory of 2700	2812	HBL+BL SHIPPING DOCUMENTS.exe	30
PID 2812 wrote to memory of 2700	2812	HBL+BL SHIPPING DOCUMENTS.exe	30
PID 2812 wrote to memory of 2700	2812	HBL+BL SHIPPING DOCUMENTS.exe	30
PID 2812 wrote to memory of 588	2812	HBL+BL SHIPPING DOCUMENTS.exe	33
PID 2812 wrote to memory of 588	2812	HBL+BL SHIPPING DOCUMENTS.exe	33
PID 2812 wrote to memory of 588	2812	HBL+BL SHIPPING DOCUMENTS.exe	33
PID 2812 wrote to memory of 588	2812	HBL+BL SHIPPING DOCUMENTS.exe	33
PID 2812 wrote to memory of 588	2812	HBL+BL SHIPPING DOCUMENTS.exe	33
PID 2812 wrote to memory of 588	2812	HBL+BL SHIPPING DOCUMENTS.exe	33
PID 2812 wrote to memory of 588	2812	HBL+BL SHIPPING DOCUMENTS.exe	33
PID 2812 wrote to memory of 588	2812	HBL+BL SHIPPING DOCUMENTS.exe	33
PID 2812 wrote to memory of 588	2812	HBL+BL SHIPPING DOCUMENTS.exe	33
PID 2812 wrote to memory of 588	2812	HBL+BL SHIPPING DOCUMENTS.exe	33
PID 2812 wrote to memory of 588	2812	HBL+BL SHIPPING DOCUMENTS.exe	33
PID 2812 wrote to memory of 588	2812	HBL+BL SHIPPING DOCUMENTS.exe	33
PID 2812 wrote to memory of 588	2812	HBL+BL SHIPPING DOCUMENTS.exe	33
PID 2812 wrote to memory of 588	2812	HBL+BL SHIPPING DOCUMENTS.exe	33
PID 2812 wrote to memory of 588	2812	HBL+BL SHIPPING DOCUMENTS.exe	33
PID 2812 wrote to memory of 588	2812	HBL+BL SHIPPING DOCUMENTS.exe	33

C:\Users\Admin\AppData\Local\Temp\HBL+BL SHIPPING DOCUMENTS.exe
"C:\Users\Admin\AppData\Local\Temp\HBL+BL SHIPPING DOCUMENTS.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
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:2812
- 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\HBL+BL SHIPPING DOCUMENTS.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2700
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:588

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

2

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

3

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Virtualization/Sandbox Evasion

2