Analysis
- user interaction
yes - max time kernel
149s - platform
windows11-21h2_x64 - resource
win11-20260911-en - resource tags
arch:x64arch:x86image:win11-20260911-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
24/10/2026, 23:01
Static task
static1
Behavioral task
behavioral1
Sample
LunarLoader.zip
Resource
win11-20260911-en
Behavioral task
behavioral2
Sample
LunarLoader/Checker/CarbonChecker.exe
Resource
win11-20260911-en
Behavioral task
behavioral3
Sample
LunarLoader/Debug/Debug.exe
Resource
win11-20260911-en
Behavioral task
behavioral4
Sample
LunarLoader/Loader/Loader.exe
Resource
win11-20260911-en
General
- Target LunarLoader/Checker/CarbonChecker.exe
- Size 1.7MB
- Sample261024-2zls6afh85
- SHA256 769f6f0d241428069a1f6fc289a7ed1ebdde6e908bc580d5f6c6f235b6d6389e
- MD5 3ae0e550478754b96141e3e6e3bc1eb1
- SHA1 8a3fc580aba8a3aca0269e188cd976fcde92e3ec
- SHA512 fe1f9da3038195ab77b8fc9519c637ead658610dd43892ae96c92b87063794ac41da9f7e02eb41d1c6a9c368cda01cf67c67ac152263668007d200db562101af
- SSDEEP 24576:XF4tuA25vAnJrgioeDr4SIpGPP95IsogsX+D+DOx/Gn1FhaIuN:et125v+qioeDPpPP95x+n7huN
- TLSH T19685AE05B7A442A8C17B907C8886D63AE7727C161B2096CB23F05E673F676E05F7B391
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to get system information as a root user.
pid Process 5772 powershell.exe 5336 powershell.exe - 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.
description ioc Process File opened for modification \??\PhysicalDrive0 CarbonChecker.exe - Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname CarbonChecker.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain CarbonChecker.exe - Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 CarbonChecker.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString CarbonChecker.exe - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 5772 powershell.exe 5772 powershell.exe 5336 powershell.exe 5336 powershell.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 540 CarbonChecker.exe - Suspicious use of AdjustPrivilegeToken 44 IoCs
description pid Process Token: SeDebugPrivilege 5772 powershell.exe Token: SeIncreaseQuotaPrivilege 5772 powershell.exe Token: SeSecurityPrivilege 5772 powershell.exe Token: SeTakeOwnershipPrivilege 5772 powershell.exe Token: SeLoadDriverPrivilege 5772 powershell.exe Token: SeSystemProfilePrivilege 5772 powershell.exe Token: SeSystemtimePrivilege 5772 powershell.exe Token: SeProfSingleProcessPrivilege 5772 powershell.exe Token: SeIncBasePriorityPrivilege 5772 powershell.exe Token: SeCreatePagefilePrivilege 5772 powershell.exe Token: SeBackupPrivilege 5772 powershell.exe Token: SeRestorePrivilege 5772 powershell.exe Token: SeShutdownPrivilege 5772 powershell.exe Token: SeDebugPrivilege 5772 powershell.exe Token: SeSystemEnvironmentPrivilege 5772 powershell.exe Token: SeRemoteShutdownPrivilege 5772 powershell.exe Token: SeUndockPrivilege 5772 powershell.exe Token: SeManageVolumePrivilege 5772 powershell.exe Token: 33 5772 powershell.exe Token: 34 5772 powershell.exe Token: 35 5772 powershell.exe Token: 36 5772 powershell.exe Token: SeDebugPrivilege 5336 powershell.exe Token: SeIncreaseQuotaPrivilege 5336 powershell.exe Token: SeSecurityPrivilege 5336 powershell.exe Token: SeTakeOwnershipPrivilege 5336 powershell.exe Token: SeLoadDriverPrivilege 5336 powershell.exe Token: SeSystemProfilePrivilege 5336 powershell.exe Token: SeSystemtimePrivilege 5336 powershell.exe Token: SeProfSingleProcessPrivilege 5336 powershell.exe Token: SeIncBasePriorityPrivilege 5336 powershell.exe Token: SeCreatePagefilePrivilege 5336 powershell.exe Token: SeBackupPrivilege 5336 powershell.exe Token: SeRestorePrivilege 5336 powershell.exe Token: SeShutdownPrivilege 5336 powershell.exe Token: SeDebugPrivilege 5336 powershell.exe Token: SeSystemEnvironmentPrivilege 5336 powershell.exe Token: SeRemoteShutdownPrivilege 5336 powershell.exe Token: SeUndockPrivilege 5336 powershell.exe Token: SeManageVolumePrivilege 5336 powershell.exe Token: 33 5336 powershell.exe Token: 34 5336 powershell.exe Token: 35 5336 powershell.exe Token: 36 5336 powershell.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 540 CarbonChecker.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 540 wrote to memory of 5772 540 CarbonChecker.exe 84 PID 540 wrote to memory of 5336 540 CarbonChecker.exe 87
Processes
-
C:\Users\Admin\AppData\Local\Temp\LunarLoader\Checker\CarbonChecker.exe"C:\Users\Admin\AppData\Local\Temp\LunarLoader\Checker\CarbonChecker.exe"1⤵
- Writes to the Master Boot Record (MBR)
- Reads the TCP/IP host and domain name from the registry
- Checks processor information in registry
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:540 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell.exe -NoProfile -ExecutionPolicy Bypass -Command "Get-CimInstance -Namespace root/wmi -ClassName WmiMonitorID | ForEach-Object { $name = [System.Text.Encoding]::ASCII.GetString($_.UserFriendlyName).Trim([char]0); $pc = [System.Text.Encoding]::ASCII.GetString($_.ProductCodeID).Trim([char]0); $sn = [System.Text.Encoding]::ASCII.GetString($_.SerialNumberID).Trim([char]0); '{0}|{1}|{2}' -f $name, $pc, $sn }"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5772
-
-
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell.exe -NoProfile -ExecutionPolicy Bypass -Command "Get-CimInstance -Namespace root/StandardCimv2 -ClassName MSFT_NetAdapter -Filter 'HardwareInterface=TRUE' | ForEach-Object { $mac = if ($_.MacAddress) { $_.MacAddress } else { $_.PermanentAddress }; '{0}|{1}' -f $_.Name, $mac }"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5336
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
- Size 3KB
- SHA256 7f8f97ee615f534fb3a3d4ab1d554cd33b788f10c559754714d1e7ce0726b362
- MD5 a71e351e0584693771a3e1ab5ed855ee
- SHA1 5bbadb2db8240a293fce7bf6a965634703e51aa4
- SHA512 95148933c9fc727c3f88c9b5a0bd489f660bc0b24b3cb8b8e6e7ffbec937810d473cf57ff0c8a34075ce7f822f0c007be8893daa409738cd4782ab526bb5a185
- TLSH T18B71EE323375B0D4C9663F07192C1AC463BF4396EA58AF4CB658521ED92710BDB222F7
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 1KB
- SHA256 3aefde46e083e91df5137feac534ebaa7d1d9cf6aaf96e151f6afd402c0c565e
- MD5 0d34e64b104c61ed6aa1e0424a3dc1e6
- SHA1 f7ef151c09b8d3c103fd13dfe55c3ca1473fdd84
- SHA512 08e7f2fb78c4d86e2bcb7c263c77cc7f72fd4465bac876e953073ee30c3719160ae3dc2f7c9b6f8f52ab2293071bb02aec428d9e2dcc796c4c3c3b012b2fd8b9
- TLSH T1BB218B33B79DC165C8D9117A20CCAD10B275C3C744DECF8B2A84C228A97F5DADB945E4
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_op0tzdsi.4sb.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- TLSH T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
- MD5 SHA1 SHA512 TLSH