Analysis
- max time kernel
150s - max time network
146s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
21/08/2026, 00:59
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-08-20_0d3de54d19b39b709577efd0736affc1_elex_wannacry.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-20_0d3de54d19b39b709577efd0736affc1_elex_wannacry.exe
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
General
- Target 2026-08-20_0d3de54d19b39b709577efd0736affc1_elex_wannacry.exe
- Size 40KB
- Sample260821-bckdpsgh43
- SHA256 29e4e5743f8e335fe5922413ab2b95acd54f6bd4e6c578456ae23203bcb8da67
- MD5 0d3de54d19b39b709577efd0736affc1
- SHA1 d42ddf3b07b55e9d295091663540b0daa7994c32
- SHA512 609997401ab518aad34edc96201101bbed7dbcf84f2ae8b1fb2cc0189dae226ad27259561c478a86da0aa7dc70a85ccc95c88de7f7ef78a60bd5e1edeadb68c7
- SSDEEP 384:I8/JYSrFQjGezfNHP1zZYpMYUzMk9hBcecy0rtGzLfRHjBDZKbJCT+v4WPcp:F/3ed1zZN/zoy0rtsVN6ITocp
- TLSH T1D01332B9ABD409B6D773DEB9C5F264C3B822B01B3D16980D04C21B491D23B53EDA265F
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detects executables built or packed with MPress PE compressor 4 IoCs
resource yara_rule behavioral2/memory/6024-0-0x0000000000400000-0x000000000040B000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/files/0x000600000001b860-5.dat INDICATOR_EXE_Packed_MPress behavioral2/memory/6024-10-0x0000000000400000-0x000000000040B000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/memory/5424-23-0x0000000000400000-0x000000000040B000-memory.dmp INDICATOR_EXE_Packed_MPress - Executes dropped EXE 1 IoCs
pid Process 5424 update_pdf.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 2 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 2026-08-20_0d3de54d19b39b709577efd0736affc1_elex_wannacry.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language update_pdf.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 6024 wrote to memory of 5424 6024 2026-08-20_0d3de54d19b39b709577efd0736affc1_elex_wannacry.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-20_0d3de54d19b39b709577efd0736affc1_elex_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-20_0d3de54d19b39b709577efd0736affc1_elex_wannacry.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:6024 -
C:\Users\Admin\AppData\Local\Temp\update_pdf.exe"C:\Users\Admin\AppData\Local\Temp\update_pdf.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:5424
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\update_pdf.exe
- Size 41KB
- SHA256 3d519d527a422906916fcb65e73e11075a83469e906a837be9d89564c9269f67
- MD5 241265da6430e2f9739ecdc01521a9c1
- SHA1 5ebd1f7a80557c2275b4f970bb6f9e61b36dc0cc
- SHA512 db1ae5a5baa9dba26f60306d640170c9a2362c24e6ebb8f7c6aeabd6930db4aa6d2fdf0ea1319351810ba77d59a3c6544a9e9038ed30bb0099018ac2431260d1
- SSDEEP 384:I8/JYSrFQjGezfNHP1zZYpMYUzMk9hBcecy0rtGzLfRHjBDZKbJCT+v4WPcf:F/3ed1zZN/zoy0rtsVN6ITocf
- TLSH T1BB1332B9AFD409B2D773DEB9C5F265C3B822B01A3D16980D04C21B491D23B53EDA265F
- MD5 SHA1 SHA512 SSDEEP TLSH