laplas | f387a8332e1765f0cd71cb73aad027dea840436e6879cdbd103ee19cc04a1b81

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	ntlhost.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	Setup.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	91106996063573883471.exe

Downloads MZ/PE file

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File created	C:\Windows\System32\drivers\etc\hosts	53459263304861018675.exe

Stops running service(s) 3 TTPs
evasion

Modify Existing Service
T1031

Impair Defenses
T1562

Service Stop
T1489

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

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	ntlhost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	ntlhost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	Setup.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	Setup.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	91106996063573883471.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	91106996063573883471.exe

Executes dropped EXE 5 IoCs

pid	Process
1296	91106996063573883471.exe
1984	53459263304861018675.exe
276	73713148706892911030.exe
796	ntlhost.exe
904	updater.exe

Loads dropped DLL 8 IoCs

pid	Process
1332	AddInProcess32.exe
1332	AddInProcess32.exe
1332	AddInProcess32.exe
1332	AddInProcess32.exe
1332	AddInProcess32.exe
1332	AddInProcess32.exe
1296	91106996063573883471.exe
792	taskeng.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Themida packer 2 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral1/memory/904-55-0x0000000001320000-0x00000000017DC000-memory.dmp	themida
behavioral1/memory/904-64-0x0000000001320000-0x00000000017DC000-memory.dmp	themida

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064
Accesses 2FA software files, possible credential harvesting 2 TTPs
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe"	91106996063573883471.exe

Checks whether UAC is enabled 1 TTPs 3 IoCs

evasion trojan

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	Setup.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	91106996063573883471.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	ntlhost.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk	powershell.exe
File opened for modification	C:\Windows\System32\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk	powershell.exe
File opened for modification	C:\Windows\System32\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk	powershell.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs

pid	Process
904	Setup.exe
1296	91106996063573883471.exe
796	ntlhost.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 904 set thread context of 1332	904	Setup.exe	33

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Google\Chrome\updater.exe	53459263304861018675.exe

Launches sc.exe 9 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
2032	sc.exe
1008	sc.exe
1000	sc.exe
2008	sc.exe
1600	sc.exe
1976	sc.exe
1608	sc.exe
1676	sc.exe
2004	sc.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	AddInProcess32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	AddInProcess32.exe

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

pid	Process
924	schtasks.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
1724	timeout.exe

GoLang User-Agent 1 IoCs

Uses default user-agent string defined by GoLang HTTP packages.

description	flow	ioc
HTTP User-Agent header	20	Go-http-client/1.1

Modifies data under HKEY_USERS 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\StartPage	powershell.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\StartPage\StartMenu_Start_Time = 60d84e73657ed901	powershell.exe

Suspicious behavior: EnumeratesProcesses 24 IoCs

pid	Process
904	Setup.exe
904	Setup.exe
904	Setup.exe
904	Setup.exe
904	Setup.exe
904	Setup.exe
1332	AddInProcess32.exe
1984	53459263304861018675.exe
1984	53459263304861018675.exe
1460	powershell.exe
1984	53459263304861018675.exe
1984	53459263304861018675.exe
1984	53459263304861018675.exe
1984	53459263304861018675.exe
1984	53459263304861018675.exe
1984	53459263304861018675.exe
1828	powershell.exe
1984	53459263304861018675.exe
1984	53459263304861018675.exe
904	updater.exe
904	updater.exe
1636	powershell.exe
904	updater.exe
904	updater.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	904	Setup.exe
Token: SeDebugPrivilege	1460	powershell.exe
Token: SeShutdownPrivilege	1192	powercfg.exe
Token: SeShutdownPrivilege	1964	powercfg.exe
Token: SeShutdownPrivilege	1624	powercfg.exe
Token: SeDebugPrivilege	1828	powershell.exe
Token: SeShutdownPrivilege	2044	powercfg.exe
Token: SeDebugPrivilege	1636	powershell.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 904 wrote to memory of 108	904	Setup.exe	27
PID 904 wrote to memory of 108	904	Setup.exe	27
PID 904 wrote to memory of 108	904	Setup.exe	27
PID 904 wrote to memory of 528	904	Setup.exe	28
PID 904 wrote to memory of 528	904	Setup.exe	28
PID 904 wrote to memory of 528	904	Setup.exe	28
PID 904 wrote to memory of 1880	904	Setup.exe	29
PID 904 wrote to memory of 1880	904	Setup.exe	29
PID 904 wrote to memory of 1880	904	Setup.exe	29
PID 904 wrote to memory of 268	904	Setup.exe	30
PID 904 wrote to memory of 268	904	Setup.exe	30
PID 904 wrote to memory of 268	904	Setup.exe	30
PID 904 wrote to memory of 660	904	Setup.exe	31
PID 904 wrote to memory of 660	904	Setup.exe	31
PID 904 wrote to memory of 660	904	Setup.exe	31
PID 904 wrote to memory of 764	904	Setup.exe	32
PID 904 wrote to memory of 764	904	Setup.exe	32
PID 904 wrote to memory of 764	904	Setup.exe	32
PID 904 wrote to memory of 1332	904	Setup.exe	33
PID 904 wrote to memory of 1332	904	Setup.exe	33
PID 904 wrote to memory of 1332	904	Setup.exe	33
PID 904 wrote to memory of 1332	904	Setup.exe	33
PID 904 wrote to memory of 1332	904	Setup.exe	33
PID 904 wrote to memory of 1332	904	Setup.exe	33
PID 904 wrote to memory of 1332	904	Setup.exe	33
PID 904 wrote to memory of 1332	904	Setup.exe	33
PID 904 wrote to memory of 1332	904	Setup.exe	33
PID 904 wrote to memory of 1332	904	Setup.exe	33
PID 904 wrote to memory of 1332	904	Setup.exe	33
PID 1332 wrote to memory of 1296	1332	AddInProcess32.exe	37
PID 1332 wrote to memory of 1296	1332	AddInProcess32.exe	37
PID 1332 wrote to memory of 1296	1332	AddInProcess32.exe	37
PID 1332 wrote to memory of 1296	1332	AddInProcess32.exe	37
PID 1332 wrote to memory of 1984	1332	AddInProcess32.exe	38
PID 1332 wrote to memory of 1984	1332	AddInProcess32.exe	38
PID 1332 wrote to memory of 1984	1332	AddInProcess32.exe	38
PID 1332 wrote to memory of 1984	1332	AddInProcess32.exe	38
PID 1332 wrote to memory of 276	1332	AddInProcess32.exe	39
PID 1332 wrote to memory of 276	1332	AddInProcess32.exe	39
PID 1332 wrote to memory of 276	1332	AddInProcess32.exe	39
PID 1332 wrote to memory of 276	1332	AddInProcess32.exe	39
PID 1332 wrote to memory of 1996	1332	AddInProcess32.exe	41
PID 1332 wrote to memory of 1996	1332	AddInProcess32.exe	41
PID 1332 wrote to memory of 1996	1332	AddInProcess32.exe	41
PID 1332 wrote to memory of 1996	1332	AddInProcess32.exe	41
PID 276 wrote to memory of 1592	276	73713148706892911030.exe	40
PID 276 wrote to memory of 1592	276	73713148706892911030.exe	40
PID 276 wrote to memory of 1592	276	73713148706892911030.exe	40
PID 1592 wrote to memory of 1100	1592	cmd.exe	44
PID 1592 wrote to memory of 1100	1592	cmd.exe	44
PID 1592 wrote to memory of 1100	1592	cmd.exe	44
PID 1996 wrote to memory of 1724	1996	cmd.exe	45
PID 1996 wrote to memory of 1724	1996	cmd.exe	45
PID 1996 wrote to memory of 1724	1996	cmd.exe	45
PID 1996 wrote to memory of 1724	1996	cmd.exe	45
PID 1296 wrote to memory of 796	1296	91106996063573883471.exe	48
PID 1296 wrote to memory of 796	1296	91106996063573883471.exe	48
PID 1296 wrote to memory of 796	1296	91106996063573883471.exe	48
PID 1120 wrote to memory of 2032	1120	cmd.exe	51
PID 1120 wrote to memory of 2032	1120	cmd.exe	51
PID 1120 wrote to memory of 2032	1120	cmd.exe	51
PID 1120 wrote to memory of 2008	1120	cmd.exe	52
PID 1120 wrote to memory of 2008	1120	cmd.exe	52
PID 1120 wrote to memory of 2008	1120	cmd.exe	52

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:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1372
- C:\Users\Admin\AppData\Local\Temp\Setup.exe
  "C:\Users\Admin\AppData\Local\Temp\Setup.exe"
  2⤵
  - Identifies VirtualBox via ACPI registry values (likely anti-VM)
  - Checks BIOS information in registry
  - Checks whether UAC is enabled
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:904
- - C:\Windows\Microsoft.NET\Framework64\v4.0.30319\DataSvcUtil.exe
    "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\DataSvcUtil.exe"
    3⤵
    PID:108
- - C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_compiler.exe"
    3⤵
    PID:528
- - C:\Windows\Microsoft.NET\Framework64\v4.0.30319\vbc.exe
    "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\vbc.exe"
    3⤵
    PID:1880
- - C:\Windows\Microsoft.NET\Framework64\v4.0.30319\dfsvc.exe
    "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\dfsvc.exe"
    3⤵
    PID:268
- - C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegAsm.exe
    "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegAsm.exe"
    3⤵
    PID:660
- - C:\Windows\Microsoft.NET\Framework64\v4.0.30319\Microsoft.Workflow.Compiler.exe
    "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\Microsoft.Workflow.Compiler.exe"
    3⤵
    PID:764
- - C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AddInProcess32.exe
    "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AddInProcess32.exe"
    3⤵
    - Loads dropped DLL
    - Checks processor information in registry
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:1332
  - - C:\ProgramData\91106996063573883471.exe
      "C:\ProgramData\91106996063573883471.exe"
      4⤵
      Identifies VirtualBox via ACPI registry values (likely anti-VM)
      Checks BIOS information in registry
      Executes dropped EXE
      Loads dropped DLL
      Adds Run key to start application
      Checks whether UAC is enabled
      Suspicious use of NtSetInformationThreadHideFromDebugger
      Suspicious use of WriteProcessMemory
      PID:1296
    - - C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe
        
        C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe
        5⤵
        Identifies VirtualBox via ACPI registry values (likely anti-VM)
        Checks BIOS information in registry
        Executes dropped EXE
        Checks whether UAC is enabled
        Suspicious use of NtSetInformationThreadHideFromDebugger
        
        PID:796
  - - C:\ProgramData\53459263304861018675.exe
      "C:\ProgramData\53459263304861018675.exe"
      4⤵
      Suspicious use of NtCreateUserProcessOtherParentProcess
      Drops file in Drivers directory
      Executes dropped EXE
      Drops file in Program Files directory
      Suspicious behavior: EnumeratesProcesses
      PID:1984
  - - C:\ProgramData\73713148706892911030.exe
      "C:\ProgramData\73713148706892911030.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of WriteProcessMemory
      PID:276
    - - C:\Windows\system32\cmd.exe
        
        C:\Windows\system32\cmd.exe /C choice /C Y /N /D Y /T 0 &Del C:\ProgramData\73713148706892911030.exe
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:1592
      - C:\Windows\system32\choice.exe
        
        choice /C Y /N /D Y /T 0
        6⤵
        
        PID:1100
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AddInProcess32.exe" & exit
      4⤵
      Suspicious use of WriteProcessMemory
      PID:1996
    - - C:\Windows\SysWOW64\timeout.exe
        
        timeout /t 6
        5⤵
        Delays execution with timeout.exe
        
        PID:1724
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Add-MpPreference -ExclusionPath @($env:UserProfile, $env:ProgramFiles) -Force
  2⤵
  - Drops file in System32 directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1460
- C:\Windows\System32\cmd.exe
  C:\Windows\System32\cmd.exe /c sc stop UsoSvc & sc stop WaaSMedicSvc & sc stop wuauserv & sc stop bits & sc stop dosvc
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1120
- - C:\Windows\System32\sc.exe
    sc stop UsoSvc
    3⤵
    - Launches sc.exe
    PID:2032
- - C:\Windows\System32\sc.exe
    sc stop WaaSMedicSvc
    3⤵
    - Launches sc.exe
    PID:2008
- - C:\Windows\System32\sc.exe
    sc stop wuauserv
    3⤵
    - Launches sc.exe
    PID:1600
- - C:\Windows\System32\sc.exe
    sc stop bits
    3⤵
    - Launches sc.exe
    PID:1976
- - C:\Windows\System32\sc.exe
    sc stop dosvc
    3⤵
    - Launches sc.exe
    PID:1608
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe <#ipspm#> IF([System.Environment]::OSVersion.Version -lt [System.Version]"6.2") { schtasks /create /f /sc onlogon /rl highest /ru 'System' /tn 'GoogleUpdateTaskMachineQC' /tr '''C:\Program Files\Google\Chrome\updater.exe''' } Else { Register-ScheduledTask -Action (New-ScheduledTaskAction -Execute 'C:\Program Files\Google\Chrome\updater.exe') -Trigger (New-ScheduledTaskTrigger -AtStartup) -Settings (New-ScheduledTaskSettingsSet -AllowStartIfOnBatteries -DisallowHardTerminate -DontStopIfGoingOnBatteries -DontStopOnIdleEnd -ExecutionTimeLimit (New-TimeSpan -Days 1000)) -TaskName 'GoogleUpdateTaskMachineQC' -User 'System' -RunLevel 'Highest' -Force; }
  2⤵
  - Drops file in System32 directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1828
- - C:\Windows\system32\schtasks.exe
    "C:\Windows\system32\schtasks.exe" /create /f /sc onlogon /rl highest /ru System /tn GoogleUpdateTaskMachineQC /tr "'C:\Program Files\Google\Chrome\updater.exe'"
    3⤵
    - Creates scheduled task(s)
    PID:924
- C:\Windows\System32\cmd.exe
  C:\Windows\System32\cmd.exe /c powercfg /x -hibernate-timeout-ac 0 & powercfg /x -hibernate-timeout-dc 0 & powercfg /x -standby-timeout-ac 0 & powercfg /x -standby-timeout-dc 0
  2⤵
  PID:384
- - C:\Windows\System32\powercfg.exe
    powercfg /x -hibernate-timeout-ac 0
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:1192
- - C:\Windows\System32\powercfg.exe
    powercfg /x -hibernate-timeout-dc 0
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:1964
- - C:\Windows\System32\powercfg.exe
    powercfg /x -standby-timeout-ac 0
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:1624
- - C:\Windows\System32\powercfg.exe
    powercfg /x -standby-timeout-dc 0
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:2044
- C:\Windows\System32\schtasks.exe
  C:\Windows\System32\schtasks.exe /run /tn "GoogleUpdateTaskMachineQC"
  2⤵
  PID:844
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Add-MpPreference -ExclusionPath @($env:UserProfile, $env:ProgramFiles) -Force
  2⤵
  - Drops file in System32 directory
  - Modifies data under HKEY_USERS
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1636
- C:\Windows\System32\cmd.exe
  C:\Windows\System32\cmd.exe /c sc stop UsoSvc & sc stop WaaSMedicSvc & sc stop wuauserv & sc stop bits & sc stop dosvc
  2⤵
  PID:1896
- - C:\Windows\System32\sc.exe
    sc stop UsoSvc
    3⤵
    - Launches sc.exe
    PID:1676
- - C:\Windows\System32\sc.exe
    sc stop WaaSMedicSvc
    3⤵
    - Launches sc.exe
    PID:2004
- - C:\Windows\System32\sc.exe
    sc stop wuauserv
    3⤵
    - Launches sc.exe
    PID:1008
- - C:\Windows\System32\sc.exe
    sc stop bits
    3⤵
    - Launches sc.exe
    PID:1000

C:\Windows\system32\taskeng.exe
taskeng.exe {0E99ADFC-C68C-47B8-9A48-0E500B1841A3} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Loads dropped DLL
PID:792
- C:\Program Files\Google\Chrome\updater.exe
  "C:\Program Files\Google\Chrome\updater.exe"
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  PID:904

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

Scripting

T1064

Persistence

Modify Existing Service

T1031

Registry Run Keys / Startup Folder

T1060

Scheduled Task

Privilege Escalation

Scheduled Task

Defense Evasion

Impair Defenses

T1562

Modify Registry

T1112

Scripting

T1064

Virtualization/Sandbox Evasion

T1497

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

System Information Discovery