Analysis
- max time kernel
149s - max time network
124s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
22/10/2026, 23:27
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-10-21_65f55269058a58649c7d3d0f8bd7f9a4_elex_upatre_wannacry.exe
Resource
win10v2004-20260911-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-10-21_65f55269058a58649c7d3d0f8bd7f9a4_elex_upatre_wannacry.exe
Resource
win11ltsc2024-20260911-en
5 signatures
150 seconds
General
- Target 2026-10-21_65f55269058a58649c7d3d0f8bd7f9a4_elex_upatre_wannacry.exe
- Size 53KB
- Sample261022-3fe2yabg52
- SHA256 74b83a7dd1a3ec6a5ffa105cacb96a7623c310b904ec97453514a24cecd12e90
- MD5 65f55269058a58649c7d3d0f8bd7f9a4
- SHA1 af5f81cb13552c8cdf218951487de3cd3bf71d37
- SHA512 f2734d43538147e40ad011a5330884f40d84b8536926c90301bbf531af153c2cabb1cef87fe4e9e067f960607723dfbd521dd342104745c7d17ffb633fb72c3e
- SSDEEP 768:xW9+F8BPtElggggggLvggggggggUaocdF+qqPbNMugJI/xZ9ZD:ekoqzqTNMDSpZ9t
- TLSH T1BD336B386AD51572E37BCEB585F251CEA96DBC2339035C4E40B2F3440AB3BD2ADA191D
- 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/2004-0-0x0000000000400000-0x000000000040C000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/files/0x000b000000016d03-4.dat INDICATOR_EXE_Packed_MPress behavioral2/memory/2004-10-0x0000000000400000-0x000000000040C000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/memory/3236-11-0x0000000000400000-0x000000000040C000-memory.dmp INDICATOR_EXE_Packed_MPress - Executes dropped EXE 1 IoCs
pid Process 3236 btkba.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 2026-10-21_65f55269058a58649c7d3d0f8bd7f9a4_elex_upatre_wannacry.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language btkba.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 2004 wrote to memory of 3236 2004 2026-10-21_65f55269058a58649c7d3d0f8bd7f9a4_elex_upatre_wannacry.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-10-21_65f55269058a58649c7d3d0f8bd7f9a4_elex_upatre_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-21_65f55269058a58649c7d3d0f8bd7f9a4_elex_upatre_wannacry.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2004 -
C:\Users\Admin\AppData\Local\Temp\btkba.exe"C:\Users\Admin\AppData\Local\Temp\btkba.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3236
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\btkba.exe
- Size 53KB
- SHA256 9bebc02cc9b9cb9c67d7b57fdb5b6c5eadbe2f0bdb567980b0ebf4afd45c3ed9
- MD5 825720690d4358548a3e155ec8d689f9
- SHA1 49d3a17a3f52e4e2377661d9e3477d5f91affaa5
- SHA512 8425e55fb490473dd33c39d9207c7c571f9c076a78defba28cfbcc71c1627852f400d53399b2e40a54984b6cfcfc0be2cfe25a477a1d0a7b72661f9cf1a026e4
- SSDEEP 768:xW9+F8BPtElggggggLvggggggggUaocdF+qqPbNMugJI/xZ9Zp:ekoqzqTNMDSpZ9H
- TLSH T1DD436B386AD51572E37BCEB585F251CEA96DBC233903584E40B2F3440AB3BD2ADA191D
- MD5 SHA1 SHA512 SSDEEP TLSH