marsstealer | bfe1158258e04a58d37eab94edfe9cdf88438a0f7244747d73f81fd7c5798c4b

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	petya.exe

ModiLoader Second Stage 1 IoCs

resource	yara_rule
behavioral2/memory/1216-274-0x0000000002CA0000-0x0000000003CA0000-memory.dmp	modiloader_stage2

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	petya.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	petya.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-1-5-21-2645532622-3298555945-705856666-1000\Control Panel\International\Geo\Nation	scary.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2645532622-3298555945-705856666-1000\Control Panel\International\Geo\Nation	Optimiser.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2645532622-3298555945-705856666-1000\Control Panel\International\Geo\Nation	Cry.exe

Credentials from Password Stores: Windows Credential Manager 1 TTPs
Suspicious access to Credentials History.
credential_access stealer

Windows Credential Manager
T1555.004

Executes dropped EXE 21 IoCs

pid	Process
4524	spectrum.exe
4836	hostingBypass.exe
4764	MEMZ.exe
1516	build22.exe
1060	petya.exe
2912	pc raper.exe
452	Java Updater.exe
920	Cry.exe
5320	wannacry.exe
5324	sample_stub.exe
2152	HorionInjector.exe
1084	Nemezida.exe
4644	Optimiser.exe
1216	CHROME.exe
3832	4363463463464363463463463.exe
6056	Optimiser.exe
5904	a76e49df84ba2a7b33e8ea959995b5e6faecb90d551ef169d8272ce9042c35a5.exe
3052	taskdl.exe
2084	system.exe
4964	asena.exe
2740	Bomb.exe

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.

defense_evasion

Query Registry

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2645532622-3298555945-705856666-1000\Software\Wine	petya.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
3864	icacls.exe

VMProtect packed file 1 IoCs

Detects executables packed with VMProtect commercial packer.

vmprotect

resource	yara_rule
behavioral2/files/0x00070000000242e9-295.dat	vmprotect

Enumerates connected drives 3 TTPs 1 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

Peripheral Device Discovery

T1120

System Information Discovery

description	ioc	Process
File opened (read-only)	\??\E:	asena.exe

File and Directory Permissions Modification: Windows File and Directory Permissions Modification 1 TTPs
defense_evasion

Windows File and Directory Permissions Modification
T1222.001
Obfuscated Files or Information: Command Obfuscation 1 TTPs
Adversaries may obfuscate content during command execution to impede detection.
defense_evasion

Command Obfuscation
T1027.010

Writes to the Master Boot Record (MBR) 1 TTPs 2 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	petya.exe
File opened for modification	\??\PHYSICALDRIVE0	asena.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1060	petya.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 18 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	pc raper.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	asena.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	scary.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MEMZ.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CHROME.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a76e49df84ba2a7b33e8ea959995b5e6faecb90d551ef169d8272ce9042c35a5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	petya.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Cry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Optimiser.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sample_stub.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskdl.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Checks SCSI registry key(s) 3 TTPs 5 IoCs

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

Query Registry

Peripheral Device Discovery

T1120

System Information Discovery

description	ioc	Process
Set value (data)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters\Partmgr\SnapshotDataCache = 534e41505041525401000000700000008ec7416a0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	asena.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters	asena.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters	asena.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters\Partmgr	asena.exe
Set value (data)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters\Partmgr\PartitionTableCache = 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	asena.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

persistence execution

Scheduled Task

pid	Process
5608	schtasks.exe
2008	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
5444	powershell.exe
5444	powershell.exe
4808	powershell.exe
4808	powershell.exe
1060	petya.exe
1060	petya.exe
2368	powershell.exe
2368	powershell.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeDebugPrivilege	5444	powershell.exe
Token: SeDebugPrivilege	4808	powershell.exe
Token: SeDebugPrivilege	4524	spectrum.exe
Token: SeDebugPrivilege	1516	build22.exe
Token: SeDebugPrivilege	452	Java Updater.exe
Token: SeDebugPrivilege	1084	Nemezida.exe
Token: SeDebugPrivilege	2152	HorionInjector.exe
Token: SeShutdownPrivilege	1060	petya.exe
Token: SeDebugPrivilege	2368	powershell.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1712 wrote to memory of 5444	1712	scary.exe	88
PID 1712 wrote to memory of 5444	1712	scary.exe	88
PID 1712 wrote to memory of 5444	1712	scary.exe	88
PID 1712 wrote to memory of 4808	1712	scary.exe	93
PID 1712 wrote to memory of 4808	1712	scary.exe	93
PID 1712 wrote to memory of 4808	1712	scary.exe	93
PID 1712 wrote to memory of 4524	1712	scary.exe	95
PID 1712 wrote to memory of 4524	1712	scary.exe	95
PID 1712 wrote to memory of 4836	1712	scary.exe	96
PID 1712 wrote to memory of 4836	1712	scary.exe	96
PID 1712 wrote to memory of 4764	1712	scary.exe	97
PID 1712 wrote to memory of 4764	1712	scary.exe	97
PID 1712 wrote to memory of 4764	1712	scary.exe	97
PID 1712 wrote to memory of 1516	1712	scary.exe	98
PID 1712 wrote to memory of 1516	1712	scary.exe	98
PID 1712 wrote to memory of 1060	1712	scary.exe	99
PID 1712 wrote to memory of 1060	1712	scary.exe	99
PID 1712 wrote to memory of 1060	1712	scary.exe	99
PID 1712 wrote to memory of 2912	1712	scary.exe	100
PID 1712 wrote to memory of 2912	1712	scary.exe	100
PID 1712 wrote to memory of 2912	1712	scary.exe	100
PID 4524 wrote to memory of 5608	4524	spectrum.exe	101
PID 4524 wrote to memory of 5608	4524	spectrum.exe	101
PID 4524 wrote to memory of 452	4524	spectrum.exe	105
PID 4524 wrote to memory of 452	4524	spectrum.exe	105
PID 1712 wrote to memory of 920	1712	scary.exe	104
PID 1712 wrote to memory of 920	1712	scary.exe	104
PID 1712 wrote to memory of 920	1712	scary.exe	104
PID 1712 wrote to memory of 5320	1712	scary.exe	106
PID 1712 wrote to memory of 5320	1712	scary.exe	106
PID 1712 wrote to memory of 5320	1712	scary.exe	106
PID 1712 wrote to memory of 1628	1712	scary.exe	107
PID 1712 wrote to memory of 1628	1712	scary.exe	107
PID 1712 wrote to memory of 1628	1712	scary.exe	107
PID 1712 wrote to memory of 5324	1712	scary.exe	109
PID 1712 wrote to memory of 5324	1712	scary.exe	109
PID 1712 wrote to memory of 5324	1712	scary.exe	109
PID 5320 wrote to memory of 3456	5320	wannacry.exe	110
PID 5320 wrote to memory of 3456	5320	wannacry.exe	110
PID 5320 wrote to memory of 3456	5320	wannacry.exe	110
PID 1712 wrote to memory of 2152	1712	scary.exe	111
PID 1712 wrote to memory of 2152	1712	scary.exe	111
PID 5320 wrote to memory of 3864	5320	wannacry.exe	112
PID 5320 wrote to memory of 3864	5320	wannacry.exe	112
PID 5320 wrote to memory of 3864	5320	wannacry.exe	112
PID 1712 wrote to memory of 1084	1712	scary.exe	114
PID 1712 wrote to memory of 1084	1712	scary.exe	114
PID 1712 wrote to memory of 4644	1712	scary.exe	116
PID 1712 wrote to memory of 4644	1712	scary.exe	116
PID 1712 wrote to memory of 4644	1712	scary.exe	116
PID 1712 wrote to memory of 1216	1712	scary.exe	117
PID 1712 wrote to memory of 1216	1712	scary.exe	117
PID 1712 wrote to memory of 1216	1712	scary.exe	117
PID 452 wrote to memory of 2008	452	Java Updater.exe	118
PID 452 wrote to memory of 2008	452	Java Updater.exe	118
PID 4644 wrote to memory of 2368	4644	Optimiser.exe	120
PID 4644 wrote to memory of 2368	4644	Optimiser.exe	120
PID 4644 wrote to memory of 2368	4644	Optimiser.exe	120
PID 920 wrote to memory of 3832	920	Cry.exe	122
PID 920 wrote to memory of 3832	920	Cry.exe	122
PID 920 wrote to memory of 3832	920	Cry.exe	122
PID 5320 wrote to memory of 3052	5320	wannacry.exe	124
PID 5320 wrote to memory of 3052	5320	wannacry.exe	124
PID 5320 wrote to memory of 3052	5320	wannacry.exe	124

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

Views/modifies file attributes 1 TTPs 1 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
3456	attrib.exe

C:\Users\Admin\AppData\Local\Temp\scary.exe
"C:\Users\Admin\AppData\Local\Temp\scary.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1712
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -EncodedCommand "PAAjAGIAYgBsACMAPgBBAGQAZAAtAFQAeQBwAGUAIAAtAEEAcwBzAGUAbQBiAGwAeQBOAGEAbQBlACAAUwB5AHMAdABlAG0ALgBXAGkAbgBkAG8AdwBzAC4ARgBvAHIAbQBzADsAPAAjAGUAegBsACMAPgBbAFMAeQBzAHQAZQBtAC4AVwBpAG4AZABvAHcAcwAuAEYAbwByAG0AcwAuAE0AZQBzAHMAYQBnAGUAQgBvAHgAXQA6ADoAUwBoAG8AdwAoACcAQQByAGUAIAB5AG8AdQAgAGEAbgAgAGkAZABpAG8AdAA/ACcALAAnACcALAAnAE8ASwAnACwAJwBRAHUAZQBzAHQAaQBvAG4AJwApADwAIwBlAHEAagAjAD4A"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:5444
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -EncodedCommand "PAAjAGEAZgByACMAPgBBAGQAZAAtAE0AcABQAHIAZQBmAGUAcgBlAG4AYwBlACAAPAAjAHcAaABpACMAPgAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgAEAAKAAkAGUAbgB2ADoAVQBzAGUAcgBQAHIAbwBmAGkAbABlACwAJABlAG4AdgA6AFMAeQBzAHQAZQBtAEQAcgBpAHYAZQApACAAPAAjAHoAegBnACMAPgAgAC0ARgBvAHIAYwBlACAAPAAjAGEAdwByACMAPgA="
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4808
- C:\Users\Admin\AppData\Roaming\spectrum.exe
  "C:\Users\Admin\AppData\Roaming\spectrum.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4524
- - C:\Windows\SYSTEM32\schtasks.exe
    "schtasks" /create /tn "Java Updater" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\spectrum.exe" /rl HIGHEST /f
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:5608
- - C:\Users\Admin\AppData\Roaming\SubDir\Java Updater.exe
    "C:\Users\Admin\AppData\Roaming\SubDir\Java Updater.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:452
  - - C:\Windows\SYSTEM32\schtasks.exe
      "schtasks" /create /tn "Java Updater" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Java Updater.exe" /rl HIGHEST /f
      4⤵
      Scheduled Task/Job: Scheduled Task
      PID:2008
- C:\Users\Admin\AppData\Roaming\hostingBypass.exe
  "C:\Users\Admin\AppData\Roaming\hostingBypass.exe"
  2⤵
  - Executes dropped EXE
  PID:4836
- - C:\Windows\system32\cmd.exe
    /c reg delete "HKEY_CURRENT_USER\Software\Classes\ms-settings" /f
    3⤵
    PID:4900
- C:\Users\Admin\AppData\Roaming\MEMZ.exe
  "C:\Users\Admin\AppData\Roaming\MEMZ.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4764
- C:\Users\Admin\AppData\Roaming\build22.exe
  "C:\Users\Admin\AppData\Roaming\build22.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:1516
- C:\Users\Admin\AppData\Roaming\petya.exe
  "C:\Users\Admin\AppData\Roaming\petya.exe"
  2⤵
  - Identifies VirtualBox via ACPI registry values (likely anti-VM)
  - Checks BIOS information in registry
  - Executes dropped EXE
  - Identifies Wine through registry keys
  - Writes to the Master Boot Record (MBR)
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1060
- C:\Users\Admin\AppData\Roaming\pc raper.exe
  "C:\Users\Admin\AppData\Roaming\pc raper.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2912
- C:\Users\Admin\AppData\Roaming\Cry.exe
  "C:\Users\Admin\AppData\Roaming\Cry.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:920
- - C:\Users\Admin\AppData\Local\Temp\4363463463464363463463463.exe
    "C:\Users\Admin\AppData\Local\Temp\4363463463464363463463463.exe"
    3⤵
    - Executes dropped EXE
    PID:3832
- - C:\Users\Admin\AppData\Local\Temp\a76e49df84ba2a7b33e8ea959995b5e6faecb90d551ef169d8272ce9042c35a5.exe
    "C:\Users\Admin\AppData\Local\Temp\a76e49df84ba2a7b33e8ea959995b5e6faecb90d551ef169d8272ce9042c35a5.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:5904
- - C:\Users\Admin\AppData\Local\Temp\asena.exe
    "C:\Users\Admin\AppData\Local\Temp\asena.exe"
    3⤵
    - Executes dropped EXE
    - Enumerates connected drives
    - Writes to the Master Boot Record (MBR)
    - System Location Discovery: System Language Discovery
    - Checks SCSI registry key(s)
    PID:4964
- - C:\Users\Admin\AppData\Local\Temp\Bomb.exe
    "C:\Users\Admin\AppData\Local\Temp\Bomb.exe"
    3⤵
    - Executes dropped EXE
    PID:2740
- C:\Users\Admin\AppData\Roaming\wannacry.exe
  "C:\Users\Admin\AppData\Roaming\wannacry.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5320
- - C:\Windows\SysWOW64\attrib.exe
    attrib +h .
    3⤵
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:3456
- - C:\Windows\SysWOW64\icacls.exe
    icacls . /grant Everyone:F /T /C /Q
    3⤵
    - Modifies file permissions
    - System Location Discovery: System Language Discovery
    PID:3864
- - C:\Users\Admin\AppData\Roaming\taskdl.exe
    taskdl.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3052
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c 190121744440012.bat
    3⤵
    PID:4752
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\V1.5 App view (1) (1).bat" "
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1628
- C:\Users\Admin\AppData\Roaming\sample_stub.exe
  "C:\Users\Admin\AppData\Roaming\sample_stub.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:5324
- C:\Users\Admin\AppData\Roaming\HorionInjector.exe
  "C:\Users\Admin\AppData\Roaming\HorionInjector.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:2152
- C:\Users\Admin\AppData\Roaming\Nemezida.exe
  "C:\Users\Admin\AppData\Roaming\Nemezida.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:1084
- - C:\Windows\System32\Wbem\wmic.exe
    "wmic.exe" csproduct get uuid
    3⤵
    PID:1388
- C:\Users\Admin\AppData\Roaming\Optimiser.exe
  "C:\Users\Admin\AppData\Roaming\Optimiser.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4644
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -EncodedCommand "PAAjAHkAdgBlACMAPgBBAGQAZAAtAE0AcABQAHIAZQBmAGUAcgBlAG4AYwBlACAAPAAjAGcAZwB3ACMAPgAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgAEAAKAAkAGUAbgB2ADoAVQBzAGUAcgBQAHIAbwBmAGkAbABlACwAJABlAG4AdgA6AFMAeQBzAHQAZQBtAEQAcgBpAHYAZQApACAAPAAjAGMAagBrACMAPgAgAC0ARgBvAHIAYwBlACAAPAAjAGkAcABlACMAPgA="
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2368
- - C:\Users\Admin\AppData\Local\Temp\Optimiser.exe
    "C:\Users\Admin\AppData\Local\Temp\Optimiser.exe"
    3⤵
    - Executes dropped EXE
    PID:6056
- - C:\Users\Admin\AppData\Local\Temp\system.exe
    "C:\Users\Admin\AppData\Local\Temp\system.exe"
    3⤵
    - Executes dropped EXE
    PID:2084
- C:\Users\Admin\AppData\Roaming\CHROME.exe
  "C:\Users\Admin\AppData\Roaming\CHROME.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1216

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

Persistence

Pre-OS Boot

T1542

Bootkit

T1542.003

Scheduled Task/Job

T1053

Scheduled Task

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

Defense Evasion

File and Directory Permissions Modification

T1222

Windows File and Directory Permissions Modification

T1222.001

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Obfuscated Files or Information

T1027

Command Obfuscation

T1027.010

Pre-OS Boot

T1542

Bootkit

T1542.003

Virtualization/Sandbox Evasion

Credential Access

Credentials from Password Stores

T1555

Windows Credential Manager

T1555.004

Discovery

Peripheral Device Discovery

T1120

Query Registry

System Information Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion