7ee418f0f9a52187976c4e7ccaa0325379d6fd8713d1efdf4c243e37434d2b84

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	svchost.bat

Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
3796	powershell.exe
592	powershell.exe
1584	powershell.exe
3636	powershell.exe

Checks BIOS information in registry 2 TTPs 2 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\SystemBiosVersion	svchost.bat
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	svchost.bat

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.lnk	svchost.bat
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.lnk	svchost.bat

Executes dropped EXE 1 IoCs

pid	Process
3596	svchost.bat

Identifies Wine through registry keys 2 TTPs 1 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-1-5-21-1687926120-3022217735-1146543763-1000\Software\Wine	svchost.bat

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1687926120-3022217735-1146543763-1000\Software\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe"	svchost.bat

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	svchost.bat

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
5	ip-api.com

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	svchost.bat

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
3596	svchost.bat

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\rescache\_merged\4183903823\2290032291.pri	taskmgr.exe
File created	C:\Windows\rescache\_merged\1601268389\715946058.pri	taskmgr.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 6 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	svchost.bat
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

Query Registry

Peripheral Device Discovery

T1120

System Information Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_QEMU&Prod_HARDDISK\4&215468a5&0&000000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A	taskmgr.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_QEMU&Prod_HARDDISK\4&215468a5&0&000000\FriendlyName	taskmgr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_QEMU&Prod_HARDDISK\4&215468a5&0&000000	taskmgr.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
4240	schtasks.exe

Suspicious behavior: EnumeratesProcesses 33 IoCs

pid	Process
3596	svchost.bat
3596	svchost.bat
3796	powershell.exe
3796	powershell.exe
3796	powershell.exe
592	powershell.exe
592	powershell.exe
592	powershell.exe
1584	powershell.exe
1584	powershell.exe
1584	powershell.exe
3636	powershell.exe
3636	powershell.exe
3636	powershell.exe
3596	svchost.bat
3596	svchost.bat
3596	svchost.bat
3596	svchost.bat
3596	svchost.bat
1060	taskmgr.exe
1060	taskmgr.exe
1060	taskmgr.exe
1060	taskmgr.exe
1060	taskmgr.exe
1060	taskmgr.exe
1060	taskmgr.exe
1060	taskmgr.exe
1060	taskmgr.exe
1060	taskmgr.exe
1060	taskmgr.exe
1060	taskmgr.exe
1060	taskmgr.exe
1060	taskmgr.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeDebugPrivilege	3596	svchost.bat
Token: SeDebugPrivilege	3796	powershell.exe
Token: SeDebugPrivilege	592	powershell.exe
Token: SeDebugPrivilege	1584	powershell.exe
Token: SeDebugPrivilege	3636	powershell.exe
Token: SeDebugPrivilege	3596	svchost.bat
Token: SeDebugPrivilege	1060	taskmgr.exe
Token: SeSystemProfilePrivilege	1060	taskmgr.exe
Token: SeCreateGlobalPrivilege	1060	taskmgr.exe

Suspicious use of FindShellTrayWindow 26 IoCs

pid	Process
1060	taskmgr.exe
1060	taskmgr.exe
1060	taskmgr.exe
1060	taskmgr.exe
1060	taskmgr.exe
1060	taskmgr.exe
1060	taskmgr.exe
1060	taskmgr.exe
1060	taskmgr.exe
1060	taskmgr.exe
1060	taskmgr.exe
1060	taskmgr.exe
1060	taskmgr.exe
1060	taskmgr.exe
1060	taskmgr.exe
1060	taskmgr.exe
1060	taskmgr.exe
1060	taskmgr.exe
1060	taskmgr.exe
1060	taskmgr.exe
1060	taskmgr.exe
1060	taskmgr.exe
1060	taskmgr.exe
1060	taskmgr.exe
1060	taskmgr.exe
1060	taskmgr.exe

Suspicious use of SendNotifyMessage 26 IoCs

pid	Process
1060	taskmgr.exe
1060	taskmgr.exe
1060	taskmgr.exe
1060	taskmgr.exe
1060	taskmgr.exe
1060	taskmgr.exe
1060	taskmgr.exe
1060	taskmgr.exe
1060	taskmgr.exe
1060	taskmgr.exe
1060	taskmgr.exe
1060	taskmgr.exe
1060	taskmgr.exe
1060	taskmgr.exe
1060	taskmgr.exe
1060	taskmgr.exe
1060	taskmgr.exe
1060	taskmgr.exe
1060	taskmgr.exe
1060	taskmgr.exe
1060	taskmgr.exe
1060	taskmgr.exe
1060	taskmgr.exe
1060	taskmgr.exe
1060	taskmgr.exe
1060	taskmgr.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3596	svchost.bat

Suspicious use of WriteProcessMemory 38 IoCs

description	pid	Process	procid_target
PID 3832 wrote to memory of 3596	3832	start2.exe	73
PID 3832 wrote to memory of 3596	3832	start2.exe	73
PID 3832 wrote to memory of 3596	3832	start2.exe	73
PID 3832 wrote to memory of 3824	3832	start2.exe	74
PID 3832 wrote to memory of 3824	3832	start2.exe	74
PID 3824 wrote to memory of 4948	3824	cmd.exe	76
PID 3824 wrote to memory of 4948	3824	cmd.exe	76
PID 3824 wrote to memory of 360	3824	cmd.exe	77
PID 3824 wrote to memory of 360	3824	cmd.exe	77
PID 3824 wrote to memory of 5036	3824	cmd.exe	78
PID 3824 wrote to memory of 5036	3824	cmd.exe	78
PID 3824 wrote to memory of 520	3824	cmd.exe	79
PID 3824 wrote to memory of 520	3824	cmd.exe	79
PID 3824 wrote to memory of 1056	3824	cmd.exe	80
PID 3824 wrote to memory of 1056	3824	cmd.exe	80
PID 3824 wrote to memory of 1160	3824	cmd.exe	81
PID 3824 wrote to memory of 1160	3824	cmd.exe	81
PID 3824 wrote to memory of 3056	3824	cmd.exe	82
PID 3824 wrote to memory of 3056	3824	cmd.exe	82
PID 3824 wrote to memory of 4404	3824	cmd.exe	83
PID 3824 wrote to memory of 4404	3824	cmd.exe	83
PID 3824 wrote to memory of 3372	3824	cmd.exe	84
PID 3824 wrote to memory of 3372	3824	cmd.exe	84
PID 3596 wrote to memory of 3796	3596	svchost.bat	86
PID 3596 wrote to memory of 3796	3596	svchost.bat	86
PID 3596 wrote to memory of 3796	3596	svchost.bat	86
PID 3596 wrote to memory of 592	3596	svchost.bat	88
PID 3596 wrote to memory of 592	3596	svchost.bat	88
PID 3596 wrote to memory of 592	3596	svchost.bat	88
PID 3596 wrote to memory of 1584	3596	svchost.bat	90
PID 3596 wrote to memory of 1584	3596	svchost.bat	90
PID 3596 wrote to memory of 1584	3596	svchost.bat	90
PID 3596 wrote to memory of 3636	3596	svchost.bat	92
PID 3596 wrote to memory of 3636	3596	svchost.bat	92
PID 3596 wrote to memory of 3636	3596	svchost.bat	92
PID 3596 wrote to memory of 4240	3596	svchost.bat	94
PID 3596 wrote to memory of 4240	3596	svchost.bat	94
PID 3596 wrote to memory of 4240	3596	svchost.bat	94

C:\Users\Admin\AppData\Local\Temp\NursultanNextgen2024\start2.exe
"C:\Users\Admin\AppData\Local\Temp\NursultanNextgen2024\start2.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3832
- C:\Users\Admin\AppData\Local\Temp\svchost.bat
  "C:\Users\Admin\AppData\Local\Temp\svchost.bat"
  2⤵
  - Identifies VirtualBox via ACPI registry values (likely anti-VM)
  - Checks BIOS information in registry
  - Drops startup file
  - Executes dropped EXE
  - Identifies Wine through registry keys
  - Adds Run key to start application
  - Checks whether UAC is enabled
  - Writes to the Master Boot Record (MBR)
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3596
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\svchost.bat'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3796
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svchost.bat'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:592
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\svchost.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1584
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svchost.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3636
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "svchost" /tr "C:\Users\Admin\AppData\Roaming\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4240
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\start.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3824
- - C:\Windows\system32\chcp.com
    chcp.com 437
    3⤵
    PID:4948
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c type tmp
    3⤵
    PID:360
- - C:\Windows\system32\find.exe
    fInd
    3⤵
    PID:5036
- - C:\Windows\system32\findstr.exe
    findstr /L /I set "C:\Users\Admin\AppData\Local\Temp\start.bat"
    3⤵
    PID:520
- - C:\Windows\system32\findstr.exe
    findstr /L /I goto "C:\Users\Admin\AppData\Local\Temp\start.bat"
    3⤵
    PID:1056
- - C:\Windows\system32\findstr.exe
    findstr /L /I echo "C:\Users\Admin\AppData\Local\Temp\start.bat"
    3⤵
    PID:1160
- - C:\Windows\system32\findstr.exe
    findstr /L /I pause "C:\Users\Admin\AppData\Local\Temp\start.bat"
    3⤵
    PID:3056
- - C:\Windows\system32\find.exe
    find
    3⤵
    PID:4404
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c type tmp
    3⤵
    PID:3372

C:\Windows\system32\taskmgr.exe
"C:\Windows\system32\taskmgr.exe" /4
1⤵
- Drops file in Windows directory
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1060

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

Pre-OS Boot

T1542

Bootkit

T1542.003

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

Pre-OS Boot

T1542

Bootkit

T1542.003

Virtualization/Sandbox Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

System Information Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion