Analysis
- max time kernel
148s - max time network
129s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
26/10/2026, 15:59
Static task
static1
Behavioral task
behavioral1
Sample
happyfun.msi
Resource
win10v2004-20260911-en
windows10-2004-x64
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
happyfun.msi
Resource
win11ltsc2024-20260911-en
windows11-ltsc_2024-x64
8 signatures
150 seconds
General
- Target happyfun.msi
- Size 37.3MB
- Sample261026-tffh2axwft
- SHA256 2de8d333a5fce9c4ade604dbcc09c7fa31d456da844aefe8160d05d2e38c9a90
- MD5 45ccbbcb5f23a3630a0e65e93b05c5ee
- SHA1 83d66f9f48aa2709fe0974ad61b596db40ed96c2
- SHA512 cb1a17111c2ef1ba52945ac1fda41cbbd792df39d52f1eb47d4185542bb286151b9c44c907af780791013c869b145478e7de94621299100bc3a2af7eee7217f5
- SSDEEP 786432:iAEEzAQOSiC9t2RmYXZqt7S8kR4SdRQ21l99rTp7V9A3y+hBtGHlFX:iaAQ9QUMIt+8kJC21l99P90yYcD
- TLSH T1CB872217A1E601A4D5BAC078CA6B5617EBB17C4613306BCF12A8B2956F73BF0193F325
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
6/10
Malware Config
Signatures
- Badlisted process makes network request 1 IoCs
Network request originating from process or tool commonly abused by malware.
flow pid Process 2 4056 msiexec.exe - Enumerates connected drives 3 TTPs 46 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\D: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\D: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\V: msiexec.exe - Loads dropped DLL 3 IoCs
pid Process 2488 MsiExec.exe 2488 MsiExec.exe 2488 MsiExec.exe - Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
pid Process 4056 msiexec.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 4056 msiexec.exe Token: SeIncreaseQuotaPrivilege 4056 msiexec.exe Token: SeSecurityPrivilege 2036 msiexec.exe Token: SeCreateTokenPrivilege 4056 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 4056 msiexec.exe Token: SeLockMemoryPrivilege 4056 msiexec.exe Token: SeIncreaseQuotaPrivilege 4056 msiexec.exe Token: SeMachineAccountPrivilege 4056 msiexec.exe Token: SeTcbPrivilege 4056 msiexec.exe Token: SeSecurityPrivilege 4056 msiexec.exe Token: SeTakeOwnershipPrivilege 4056 msiexec.exe Token: SeLoadDriverPrivilege 4056 msiexec.exe Token: SeSystemProfilePrivilege 4056 msiexec.exe Token: SeSystemtimePrivilege 4056 msiexec.exe Token: SeProfSingleProcessPrivilege 4056 msiexec.exe Token: SeIncBasePriorityPrivilege 4056 msiexec.exe Token: SeCreatePagefilePrivilege 4056 msiexec.exe Token: SeCreatePermanentPrivilege 4056 msiexec.exe Token: SeBackupPrivilege 4056 msiexec.exe Token: SeRestorePrivilege 4056 msiexec.exe Token: SeShutdownPrivilege 4056 msiexec.exe Token: SeDebugPrivilege 4056 msiexec.exe Token: SeAuditPrivilege 4056 msiexec.exe Token: SeSystemEnvironmentPrivilege 4056 msiexec.exe Token: SeChangeNotifyPrivilege 4056 msiexec.exe Token: SeRemoteShutdownPrivilege 4056 msiexec.exe Token: SeUndockPrivilege 4056 msiexec.exe Token: SeSyncAgentPrivilege 4056 msiexec.exe Token: SeEnableDelegationPrivilege 4056 msiexec.exe Token: SeManageVolumePrivilege 4056 msiexec.exe Token: SeImpersonatePrivilege 4056 msiexec.exe Token: SeCreateGlobalPrivilege 4056 msiexec.exe Token: SeCreateTokenPrivilege 4056 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 4056 msiexec.exe Token: SeLockMemoryPrivilege 4056 msiexec.exe Token: SeIncreaseQuotaPrivilege 4056 msiexec.exe Token: SeMachineAccountPrivilege 4056 msiexec.exe Token: SeTcbPrivilege 4056 msiexec.exe Token: SeSecurityPrivilege 4056 msiexec.exe Token: SeTakeOwnershipPrivilege 4056 msiexec.exe Token: SeLoadDriverPrivilege 4056 msiexec.exe Token: SeSystemProfilePrivilege 4056 msiexec.exe Token: SeSystemtimePrivilege 4056 msiexec.exe Token: SeProfSingleProcessPrivilege 4056 msiexec.exe Token: SeIncBasePriorityPrivilege 4056 msiexec.exe Token: SeCreatePagefilePrivilege 4056 msiexec.exe Token: SeCreatePermanentPrivilege 4056 msiexec.exe Token: SeBackupPrivilege 4056 msiexec.exe Token: SeRestorePrivilege 4056 msiexec.exe Token: SeShutdownPrivilege 4056 msiexec.exe Token: SeDebugPrivilege 4056 msiexec.exe Token: SeAuditPrivilege 4056 msiexec.exe Token: SeSystemEnvironmentPrivilege 4056 msiexec.exe Token: SeChangeNotifyPrivilege 4056 msiexec.exe Token: SeRemoteShutdownPrivilege 4056 msiexec.exe Token: SeUndockPrivilege 4056 msiexec.exe Token: SeSyncAgentPrivilege 4056 msiexec.exe Token: SeEnableDelegationPrivilege 4056 msiexec.exe Token: SeManageVolumePrivilege 4056 msiexec.exe Token: SeImpersonatePrivilege 4056 msiexec.exe Token: SeCreateGlobalPrivilege 4056 msiexec.exe Token: SeCreateTokenPrivilege 4056 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 4056 msiexec.exe Token: SeLockMemoryPrivilege 4056 msiexec.exe - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4056 msiexec.exe - Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 4056 msiexec.exe 2036 msiexec.exe 2488 MsiExec.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 2036 wrote to memory of 2488 2036 msiexec.exe 90
Processes
-
C:\Windows\system32\msiexec.exemsiexec.exe /I C:\Users\Admin\AppData\Local\Temp\happyfun.msi1⤵
- Badlisted process makes network request
- Enumerates connected drives
- Event Triggered Execution: Installer Packages
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:4056
-
C:\Windows\system32\msiexec.exeC:\Windows\system32\msiexec.exe /V1⤵
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2036 -
C:\Windows\System32\MsiExec.exeC:\Windows\System32\MsiExec.exe -Embedding 6FBC0C1DE83FB7993794D7A3BB004B14 C2⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
PID:2488
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\MSI810D.tmp
- Size 5.5MB
- SHA256 0a2234626db76f62e21dd99bc4eae44d03275dd5c98bb1a46874c245a16437de
- MD5 7fc3682e8663b7501465bf321d8eca80
- SHA1 cc7efd83987c519a1ea58dc93f1d14ecb15a4f8f
- SHA512 1c5646945ade210fb86b05183738897b7354c22b144914a5f11a89948a8e4d768c427e1e7118003be657a5658c45af939f5a4e1f0ea79a238e6ca3d4b3b04e04
- SSDEEP 49152:GvIW7Ql9zG/+Q38zAAQ2+Vu0MpaGMttddSFq/mpO2DyEX9pdKkvSVCyoM9hBbqIj:mQtSCVtcGtKFdu9CwJsv6t/P6
- TLSH T148467C17A2E601A4D5BAC078CB6B5517EB723C4653306BDF02A4A295AF73BF01A3F315
- MD5 SHA1 SHA512 SSDEEP TLSH