Analysis
- user interaction
yes - max time kernel
150s - max time network
130s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
23/07/2026, 08:42
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
MikuMikuLoader.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
MikuMikuLoader.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
7 signatures
150 seconds
General
- Target MikuMikuLoader.exe
- Size 89.5MB
- Sample260723-kl2tsaag69
- SHA256 ee99581f39a468b77bd816585fb004a25c4423e996f10572e1e74de9aeb51d17
- MD5 9517566bb5ad088db1439c48904ac975
- SHA1 c32dfe669473f83cbc1d1826f6ec74d60625f3a6
- SHA512 4751983264c5227abd990150eafd3923da6b85e8181f1dd998b14625be295c13b0ad380b2263f80af9d1f65025bd335c07408e3f1dd0228c7a269d057b96cabb
- SSDEEP 393216:numbnzd3NWyyngUGqROht89sblZv1YjsY1inglb/vE5L5OtsFtBNTaNZd44AJBvH:BdslROX892vY1FUV5OtsFntaRuhnLAav
- TLSH T15E28AE11B3D80A15D67FC17CC2638102E7B1B8931761D7CF1598EAA92F93BD06B3A366
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Loads dropped DLL 3 IoCs
pid Process 5080 MikuMikuLoader.exe 5080 MikuMikuLoader.exe 5080 MikuMikuLoader.exe - Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000 taskmgr.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A taskmgr.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\FriendlyName taskmgr.exe - Suspicious behavior: EnumeratesProcesses 26 IoCs
pid Process 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe - Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeDebugPrivilege 1904 taskmgr.exe Token: SeSystemProfilePrivilege 1904 taskmgr.exe Token: SeCreateGlobalPrivilege 1904 taskmgr.exe Token: 33 1904 taskmgr.exe Token: SeIncBasePriorityPrivilege 1904 taskmgr.exe - Suspicious use of FindShellTrayWindow 36 IoCs
pid Process 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe - Suspicious use of SendNotifyMessage 36 IoCs
pid Process 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe 1904 taskmgr.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1904 taskmgr.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\MikuMikuLoader.exe"C:\Users\Admin\AppData\Local\Temp\MikuMikuLoader.exe"1⤵
- Loads dropped DLL
PID:5080
-
C:\Windows\system32\taskmgr.exe"C:\Windows\system32\taskmgr.exe" /71⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:1904
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k GPSvcGroup1⤵PID:5800
Network
MITRE ATT&CK Enterprise v16
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\.net\MikuMikuLoader\34SYlV4S9hdf\av_libglesv2.dll
- Size 4.2MB
- SHA256 85b3aee47c0e0eaf3a5ea5c75ba8131387a12639b6a0ef280c28531fb77695ae
- MD5 73d2fb4c35d323813a86e3bf5c85c345
- SHA1 81f751a34e0c25bdea93902a19a94a49ce1495df
- SHA512 e81677cc9b99ff3d54f67000a60489603e01a896f90c4ef0c883b82e2fdb7b90d2899c078958b3f060a20373b99cb6c4deb7f64cc4c7e0ba2a708209f4684ca4
- SSDEEP 49152:I1qISHMa72SRXc0kFg760EvAy4U5hDempTKkslMx0YEQtHhcEIy/rcgcrq8T/2tj:vbMNgMdth1t
- TLSH T175167D1AA7B400BAC8BBD139C9175A0BE3F1FC4641B0D70F21B9679A5FA7770626B314
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\.net\MikuMikuLoader\34SYlV4S9hdf\libHarfBuzzSharp.dll
- Size 1.5MB
- SHA256 f13d0dae00a598620a436fd991219a2e0fe6157eac90faa025d4d76845cd996c
- MD5 f121a2afb03f1b8ca1784e544464a346
- SHA1 9346297a66989dbe88bc459ee8bf936e7acb3d24
- SHA512 ebbb8c2d7d97521286af0f6b02195890b193e660a28e6b1e5112ed9f1fcc081c66587a7a82c8a9468d1a55d477880487d1b3edf1deb2ea285e17d70fbd56c6f1
- SSDEEP 49152:PBy4VCDmxqVx/1hlcsHI7woyGYdwENWa6m4ys:aQkPNWMs
- TLSH T1A575AD4AE26A11E9D9ABD074C656840BD3B274420F14DFFF26E08695EF23EF5167E320
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\.net\MikuMikuLoader\34SYlV4S9hdf\libSkiaSharp.dll
- Size 9.0MB
- SHA256 3268b1b2de384d00ed77431fe8a1f053d2c69eee25d07dcfc352491570d63b52
- MD5 6b5e769126b4d38601df662bd08e7163
- SHA1 c799c7c3b8209468bb4047b4783f691537d717e9
- SHA512 168c4a5981aa6513bacaa459bac26a3033315a677547eaa01d901b75e46baef91c6fd63185629a3a218a643fcacfa86ae36b8a5313e11f3bcd311bf4b0c61c6f
- SSDEEP 98304:cjRZLtqNj1xK+Re5fNMVlgpANGuRsUCn+ovoZOXe:oZL8NabV0fGkNee
- TLSH T10C964A13B66B64ACC04AC474834B99665E2038CB0B35BCEF52C5A1393FB9BF42F79615
- MD5 SHA1 SHA512 SSDEEP TLSH