Analysis
- max time kernel
150s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
16/09/2026, 15:39
Behavioral task
behavioral1
Sample
system.exe
Resource
win10v2004-20260911-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
system.exe
Resource
win11ltsc2024-20260911-en
7 signatures
150 seconds
General
- Target system.exe
- Size 30KB
- Sample260916-s3m1yscr21
- SHA256 938ce61ced2cc86a69aefe632e7cdd931305f63750483c43b6461113e4be777e
- MD5 4538daa53f90f454c8b4a9255826210d
- SHA1 bfe55bc189744c7882aa87c3c11587b54c5bf591
- SHA512 22bab97561f4e03a062526f499fa4d1338540f6458fd064c71eb7c0847f7a3f42498cabb9c0997992a3a569e27f514b22646b7eac61094fc202bac9d4050f6f4
- SSDEEP 384:G1eAwIGmefcZWGl3nxe0XLZJkpJRXlYECwaiJs5RugtFuBLTIOZw/WVwvn9IkVu:IHZrtxekwv1YETDJs5BFR9RRcOqhtbk
- TLSH T1F6D23B4837E58327DAFF2FF229B691010275D907D923EF5E5CD885A76F67A8042013E6
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
Malware Config
Extracted
Family
-
xworm
Version
-
3.0
C2
-
82.47.101.153:7165
Mutex
-
W5UazQxWqWYqnndf
Attributes
-
install_file
USB.exe
aes.plain
Signatures
- Detect Xworm Payload 1 IoCs
resource yara_rule behavioral2/memory/3148-1-0x00000000009D0000-0x00000000009DE000-memory.dmp family_xworm - Executes dropped EXE 1 IoCs
pid Process 5636 ypmpbe.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 ypmpbe.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 3148 system.exe Token: 33 1236 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 1236 AUDIODG.EXE - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 3148 wrote to memory of 5636 3148 system.exe 91
Processes
-
C:\Users\Admin\AppData\Local\Temp\system.exe"C:\Users\Admin\AppData\Local\Temp\system.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3148 -
C:\Users\Admin\AppData\Local\Temp\ypmpbe.exe"C:\Users\Admin\AppData\Local\Temp\ypmpbe.exe"2⤵
- Executes dropped EXE
- Writes to the Master Boot Record (MBR)
PID:5636
-
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k GPSvcGroup1⤵PID:4676
-
C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x0000000000000504 0x00000000000004F41⤵
- Suspicious use of AdjustPrivilegeToken
PID:1236
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\ypmpbe.exe
- Size 802KB
- SHA256 68a2b9da01ab0d8999c490f680d3e3fa7f12c0ec80a5c1ecae51af6047663cf4
- MD5 d0d0328089b837492585e0da68731986
- SHA1 7a654dc8e8b62bcecb6b4ea6d1bd561f153a672e
- SHA512 0eaf20de487d1831901ed13bec53aa2bb60be4e0be90899cc6fdf88868b5c485d7e180644f508c8668e42654170fadf2df50b1ebc41a0e0f97e7370f75ee05ab
- SSDEEP 12288:zX5Ftmfz8+5HPG7kZFJXHByzhsR3roZeepwU9LNC:z5F41PVPXHByzhqepVLNC
- TLSH T17805384B99558F4CDC2243F75442C8B21D436D8868B486A625FBFE2FB3B609768C7C47
- MD5 SHA1 SHA512 SSDEEP TLSH