Analysis
- max time kernel
150s - max time network
146s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260618-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260618-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
20/06/2026, 02:04
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
mscorsvc.dll.bin.dll
Resource
win10v2004-20260513-en
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
mscorsvc.dll.bin.dll
Resource
win11ltsc2024-20260618-en
8 signatures
150 seconds
General
- Target mscorsvc.dll.bin.dll
- Size 757KB
- Sample260620-chpfaacy2j
- SHA256 e58ed7df39ec67a18fd90454d3fde120e57aeb06f7ab8f0b8c17d73e4c3a3ad6
- MD5 5bcaf2b4bf85bb4baef075a678f2fb76
- SHA1 47f125ef46b8527fead5fd0590df951024cbee04
- SHA512 0d9bf19484af65869f0518d973dfed8aae44c8f6bb15ff7988d6dee05b12a957d8e16175a7417320c8a16580f4193a70935f2745bbb381527093084576cf1274
- SSDEEP 12288:Wg+QGeIx3CC0kaCbWr17EFeUyPdjY6hxZNXdu/I3jPCkEogpRY0pQIXv:v+LN3CTkNbWrJEFeUyPdjfxZVY2leO0h
- TLSH T191F42357A72D61F5F630F5BAA2C34F72EAD875191A64035FB0A1E00A3B47A9C847620F
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
Malware Config
Signatures
- Family: DonutLoader
DonutLoader is a position-independent code that enables in-memory execution of VBScript, JScript, EXE, DLL files and dotNET assemblies.
- Detects DonutLoader 1 IoCs
resource yara_rule behavioral2/memory/3756-1-0x0000000003A10000-0x0000000003ABF000-memory.dmp family_donutloader - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3730367222-316663987-825798519-1000\Software\Microsoft\Windows\CurrentVersion\Run\dangcap82ehai = "rundll32.exe \"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\hazzehai82.dll\",UpdateCheck" rundll32.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 5760 set thread context of 3756 5760 rundll32.exe 57 - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 5760 rundll32.exe 5760 rundll32.exe 5760 rundll32.exe 5760 rundll32.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3756 Explorer.EXE - Suspicious use of AdjustPrivilegeToken 39 IoCs
description pid Process Token: SeShutdownPrivilege 3756 Explorer.EXE Token: SeCreatePagefilePrivilege 3756 Explorer.EXE Token: SeShutdownPrivilege 3756 Explorer.EXE Token: SeCreatePagefilePrivilege 3756 Explorer.EXE Token: SeShutdownPrivilege 3756 Explorer.EXE Token: SeCreatePagefilePrivilege 3756 Explorer.EXE Token: SeShutdownPrivilege 3756 Explorer.EXE Token: SeCreatePagefilePrivilege 3756 Explorer.EXE Token: SeShutdownPrivilege 3756 Explorer.EXE Token: SeCreatePagefilePrivilege 3756 Explorer.EXE Token: SeDebugPrivilege 3756 Explorer.EXE Token: SeShutdownPrivilege 3756 Explorer.EXE Token: SeCreatePagefilePrivilege 3756 Explorer.EXE Token: SeShutdownPrivilege 3756 Explorer.EXE Token: SeCreatePagefilePrivilege 3756 Explorer.EXE Token: SeShutdownPrivilege 3756 Explorer.EXE Token: SeCreatePagefilePrivilege 3756 Explorer.EXE Token: SeShutdownPrivilege 3756 Explorer.EXE Token: SeCreatePagefilePrivilege 3756 Explorer.EXE Token: SeShutdownPrivilege 3756 Explorer.EXE Token: SeCreatePagefilePrivilege 3756 Explorer.EXE Token: SeShutdownPrivilege 3756 Explorer.EXE Token: SeCreatePagefilePrivilege 3756 Explorer.EXE Token: SeShutdownPrivilege 3756 Explorer.EXE Token: SeCreatePagefilePrivilege 3756 Explorer.EXE Token: SeShutdownPrivilege 3756 Explorer.EXE Token: SeCreatePagefilePrivilege 3756 Explorer.EXE Token: SeShutdownPrivilege 3756 Explorer.EXE Token: SeCreatePagefilePrivilege 3756 Explorer.EXE Token: SeShutdownPrivilege 3756 Explorer.EXE Token: SeCreatePagefilePrivilege 3756 Explorer.EXE Token: SeShutdownPrivilege 3756 Explorer.EXE Token: SeCreatePagefilePrivilege 3756 Explorer.EXE Token: SeShutdownPrivilege 3756 Explorer.EXE Token: SeCreatePagefilePrivilege 3756 Explorer.EXE Token: SeShutdownPrivilege 3756 Explorer.EXE Token: SeCreatePagefilePrivilege 3756 Explorer.EXE Token: SeShutdownPrivilege 3756 Explorer.EXE Token: SeCreatePagefilePrivilege 3756 Explorer.EXE - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 5760 wrote to memory of 3756 5760 rundll32.exe 57 PID 3756 wrote to memory of 5800 3756 Explorer.EXE
Processes
-
C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3756 -
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\mscorsvc.dll.bin.dll,#12⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:5760
-