redline | f702a1b2aa5e8f06b47c069afa26909e4a9ea31bfb3328b9efbdb7e396cf250a

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Oracle\VirtualBox Guest Additions	SZ8pLRsMimenhWA.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
3824	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	SZ8pLRsMimenhWA.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

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	SZ8pLRsMimenhWA.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	SZ8pLRsMimenhWA.exe

Checks computer location settings 2 TTPs 2 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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	SZ8pLRsMimenhWA.exe
Key value queried	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	f702a1b2aa5e8f06b47c069afa26909e4a9ea31bfb3328b9efbdb7e396cf250a.exe

Executes dropped EXE 3 IoCs

pid	Process
2124	autoplay.exe
3264	SZ8pLRsMimenhWA.exe
3512	SZ8pLRsMimenhWA.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	SZ8pLRsMimenhWA.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	SZ8pLRsMimenhWA.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3264 set thread context of 3512	3264	SZ8pLRsMimenhWA.exe	104

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 5 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	f702a1b2aa5e8f06b47c069afa26909e4a9ea31bfb3328b9efbdb7e396cf250a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	autoplay.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SZ8pLRsMimenhWA.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SZ8pLRsMimenhWA.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3264	SZ8pLRsMimenhWA.exe
3824	powershell.exe
3824	powershell.exe
3264	SZ8pLRsMimenhWA.exe
3264	SZ8pLRsMimenhWA.exe
3264	SZ8pLRsMimenhWA.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3264	SZ8pLRsMimenhWA.exe
Token: SeDebugPrivilege	3824	powershell.exe
Token: SeDebugPrivilege	3512	SZ8pLRsMimenhWA.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 4040 wrote to memory of 2124	4040	f702a1b2aa5e8f06b47c069afa26909e4a9ea31bfb3328b9efbdb7e396cf250a.exe	85
PID 4040 wrote to memory of 2124	4040	f702a1b2aa5e8f06b47c069afa26909e4a9ea31bfb3328b9efbdb7e396cf250a.exe	85
PID 4040 wrote to memory of 2124	4040	f702a1b2aa5e8f06b47c069afa26909e4a9ea31bfb3328b9efbdb7e396cf250a.exe	85
PID 4040 wrote to memory of 3264	4040	f702a1b2aa5e8f06b47c069afa26909e4a9ea31bfb3328b9efbdb7e396cf250a.exe	87
PID 4040 wrote to memory of 3264	4040	f702a1b2aa5e8f06b47c069afa26909e4a9ea31bfb3328b9efbdb7e396cf250a.exe	87
PID 4040 wrote to memory of 3264	4040	f702a1b2aa5e8f06b47c069afa26909e4a9ea31bfb3328b9efbdb7e396cf250a.exe	87
PID 3264 wrote to memory of 3824	3264	SZ8pLRsMimenhWA.exe	102
PID 3264 wrote to memory of 3824	3264	SZ8pLRsMimenhWA.exe	102
PID 3264 wrote to memory of 3824	3264	SZ8pLRsMimenhWA.exe	102
PID 3264 wrote to memory of 3512	3264	SZ8pLRsMimenhWA.exe	104
PID 3264 wrote to memory of 3512	3264	SZ8pLRsMimenhWA.exe	104
PID 3264 wrote to memory of 3512	3264	SZ8pLRsMimenhWA.exe	104
PID 3264 wrote to memory of 3512	3264	SZ8pLRsMimenhWA.exe	104
PID 3264 wrote to memory of 3512	3264	SZ8pLRsMimenhWA.exe	104
PID 3264 wrote to memory of 3512	3264	SZ8pLRsMimenhWA.exe	104
PID 3264 wrote to memory of 3512	3264	SZ8pLRsMimenhWA.exe	104
PID 3264 wrote to memory of 3512	3264	SZ8pLRsMimenhWA.exe	104

C:\Users\Admin\AppData\Local\Temp\f702a1b2aa5e8f06b47c069afa26909e4a9ea31bfb3328b9efbdb7e396cf250a.exe
"C:\Users\Admin\AppData\Local\Temp\f702a1b2aa5e8f06b47c069afa26909e4a9ea31bfb3328b9efbdb7e396cf250a.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4040
- C:\Users\Admin\AppData\Local\Temp\autoplay.exe
  "C:\Users\Admin\AppData\Local\Temp\autoplay.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2124
- C:\Users\Admin\AppData\Local\Temp\SZ8pLRsMimenhWA.exe
  "C:\Users\Admin\AppData\Local\Temp\SZ8pLRsMimenhWA.exe"
  2⤵
  - Looks for VirtualBox Guest Additions in registry
  - Looks for VMWare Tools registry key
  - Checks BIOS information in registry
  - Checks computer location settings
  - Executes dropped EXE
  - Maps connected drives based on registry
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3264
- - 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\SZ8pLRsMimenhWA.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3824
- - C:\Users\Admin\AppData\Local\Temp\SZ8pLRsMimenhWA.exe
    "C:\Users\Admin\AppData\Local\Temp\SZ8pLRsMimenhWA.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:3512

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

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

System Information Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion