Analysis
- max time kernel
148s - max time network
115s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
09/08/2026, 10:17
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
1901bf3d0f4e51a66ef9fadff5d2719387efab9e670841685d8e4f8eeda4e0e5.exe
Resource
win10v2004-20260513-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
1901bf3d0f4e51a66ef9fadff5d2719387efab9e670841685d8e4f8eeda4e0e5.exe
Resource
win11ltsc2024-20260709-en
6 signatures
150 seconds
General
- Target 1901bf3d0f4e51a66ef9fadff5d2719387efab9e670841685d8e4f8eeda4e0e5.exe
- Size 760KB
- Sample260809-mbqd4swblc
- SHA256 1901bf3d0f4e51a66ef9fadff5d2719387efab9e670841685d8e4f8eeda4e0e5
- MD5 71674f50f56644dcb0ff982cd836132e
- SHA1 83338f483c75b82fe322daab3dda619680f18544
- SHA512 fdb2d15a6655c55f885d487d857a4e0306e82cf186c67a98205f07322bebc5a275bae9698c8c7e4981b710f8b0700536d1e59e3016452d7a67763a55ddf5ae2b
- SSDEEP 12288:jhznt1Xsk/ZOnE+SDefjmSgMpwtWTImKD+j:pnrXT/oE+6eqSg2wtWTkyj
- TLSH T1A9F4BF05B5D280F2CA4515300FEA6736DA35A6664B17CFCBA354DE18AE371A0ED3733A
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral2/files/0x0008000000019cc1-1.dat acprotect - Loads dropped DLL 1 IoCs
pid Process 4092 1901bf3d0f4e51a66ef9fadff5d2719387efab9e670841685d8e4f8eeda4e0e5.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 1901bf3d0f4e51a66ef9fadff5d2719387efab9e670841685d8e4f8eeda4e0e5.exe -
resource yara_rule behavioral2/files/0x0008000000019cc1-1.dat upx behavioral2/memory/4092-5-0x0000000074C70000-0x0000000074CAC000-memory.dmp upx behavioral2/memory/4092-8-0x0000000074C70000-0x0000000074CAC000-memory.dmp upx behavioral2/memory/4092-19-0x0000000074C70000-0x0000000074CAC000-memory.dmp upx - System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 1901bf3d0f4e51a66ef9fadff5d2719387efab9e670841685d8e4f8eeda4e0e5.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4092 1901bf3d0f4e51a66ef9fadff5d2719387efab9e670841685d8e4f8eeda4e0e5.exe 4092 1901bf3d0f4e51a66ef9fadff5d2719387efab9e670841685d8e4f8eeda4e0e5.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\1901bf3d0f4e51a66ef9fadff5d2719387efab9e670841685d8e4f8eeda4e0e5.exe"C:\Users\Admin\AppData\Local\Temp\1901bf3d0f4e51a66ef9fadff5d2719387efab9e670841685d8e4f8eeda4e0e5.exe"1⤵
- Loads dropped DLL
- Writes to the Master Boot Record (MBR)
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:4092
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\ExtraDll.dll
- Size 97KB
- SHA256 48773d597155dc39dd172c26867972da89dd61fcee0d138433eda26a2d8633b7
- MD5 c35425ad1f0c32225d307310deccc335
- SHA1 b2e347b244e40ffa113dffaffd1895777e3ac30a
- SHA512 47b6a7447fcc4f9f21018f608fcbdb5650f16cbd869cae5d4ed5d9b88ca1e944de1cac10e9a252aa7b210f1a31456c0ed91728b8a7e24def99d7e3f9683e2bae
- SSDEEP 3072:58yan8ia/orIGiqsJkaBJWIKvEfdEFAOr:jOKfqWky3cElEFt
- TLSH T1A8A302474484CC22E1E70D39235EFD0876AFB5838BE613D2AAD8AA44DD5F758CDD10B2
- MD5 SHA1 SHA512 SSDEEP TLSH