Analysis
- max time kernel
598s - max time network
600s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-ja - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-jalocale:ja-jpos:windows11-ltsc_2024-x64systemwindows - submitted
10/09/2026, 11:16
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
badata_x64.dll
Resource
win10v2004-20260513-ja
12 signatures
600 seconds
Behavioral task
behavioral2
Sample
badata_x64.dll
Resource
win11ltsc2024-20260709-ja
12 signatures
600 seconds
General
- Target badata_x64.dll
- Size 80KB
- Sample260910-ndh89ascnf
- SHA256 7edb56ea0e63a695e092d66df56d017be8932b64aca09745e90da76d66d8169f
- MD5 abc0efb69f81ab8d7ab436a1af4c2773
- SHA1 156e5dfac1a47f6b5c154288e5330ee7d96d666d
- SHA512 9889f4f4ac28b157774586ad704ad65b380869618dfb944747e7fbeac627ad7504adc5909977784116de90245c687ce9492c2199b4970dbb445f5d0ebef126be
- SSDEEP 768:pj0GZ5HSsHhqhPxGrxm8YFY0MDJ+zF19CnykcBn9C5CrU32WNs/y+mCgofgZyO08:pdSUQhIrwT2hDJ+x19YOICAutjnG
- TLSH T1BF83A6226395344DC766D23E42065733D6F13CAA371012BA0AB8AE612F75ED63F3D6D8
- 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/2020-5-0x0000023B39C30000-0x0000023B3A344000-memory.dmp family_donutloader - Detects Overlord RAT 1 IoCs
resource yara_rule behavioral2/memory/2020-7-0x0000023B3E660000-0x0000023B419AB000-memory.dmp family_overlord - Badlisted process makes network request 7 IoCs
Network request originating from process or tool commonly abused by malware.
flow pid Process 5 5116 rundll32.exe 7 5116 rundll32.exe 8 5116 rundll32.exe 12 5116 rundll32.exe 13 5116 rundll32.exe 14 5116 rundll32.exe 16 5116 rundll32.exe - Executes dropped EXE 1 IoCs
pid Process 856 rundll32.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1738198120-2966725515-3980530802-1000\Software\Microsoft\Windows\CurrentVersion\Run\WindowsUpdate_X2bA = "C:\\Users\\Admin\\AppData\\Local\\Microsoft\\Windows\\Explorer\\thumbcache_X2bADzgI\\rundll32.exe" rundll32.exe - Looks up external IP address via web service 1 TTPs 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 1 api.ipify.org 21 api.ipify.org - 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 RuntimeBroker.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString RuntimeBroker.exe - Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\Deployment\Package\*\S-1-5-21-1738198120-2966725515-3980530802-1000\{2DEF2D6D-F408-463B-9856-2B57F9ADEB86} RuntimeBroker.exe - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 5116 rundll32.exe 5116 rundll32.exe 5116 rundll32.exe 5116 rundll32.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 5116 wrote to memory of 2020 5116 rundll32.exe 91 PID 5116 wrote to memory of 2020 5116 rundll32.exe 91
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\badata_x64.dll,#11⤵
- Badlisted process makes network request
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:5116 -
C:\Windows\system32\RuntimeBroker.exe"C:\Windows\system32\RuntimeBroker.exe"2⤵
- Checks processor information in registry
- Modifies registry class
PID:2020
-
-
C:\Users\Admin\AppData\Local\Microsoft\Windows\Explorer\thumbcache_X2bADzgI\rundll32.exeC:\Users\Admin\AppData\Local\Microsoft\Windows\Explorer\thumbcache_X2bADzgI\rundll32.exe1⤵
- Executes dropped EXE
PID:856
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k GPSvcGroup1⤵PID:1400
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\Explorer\thumbcache_X2bADzgI\rundll32.exe
- Size 88KB
- SHA256 4b84dc6750937eb47b19cde0d23debd4d2f2211300171b36d13ef5ad11dd60f9
- MD5 025b13bf5652712d9b596e6766a9c386
- SHA1 def4011b5536983285472ba75c22c6a2410edf6a
- SHA512 f9983b897ef7ecbeb6cbfe599b24f5aa8651058d2e3313534a2a5e076f93fc3354784c05260b42fa828e48a55b5c005bfaa9db4e387351bf2e665ea0245c3a1e
- SSDEEP 1536:7i3jG+UJuhM2HLJPl1M8CFYNMjYrZ3bXWgmqR9jR:KkuB5GFYNME3C9KR
- TLSH T11993185E72A830E5E9369139C4A24605E3B1B03563135BFF06E0C2BD5F23AE5AD39F91
- MD5 SHA1 SHA512 SSDEEP TLSH