Analysis
- max time kernel
148s - max time network
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
20/08/2026, 03:47
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-08-20_583f3f6d9b2c9bbaebc11e4274bdec05_elex_wannacry.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-20_583f3f6d9b2c9bbaebc11e4274bdec05_elex_wannacry.exe
Resource
win11ltsc2024-20260710-en
5 signatures
150 seconds
General
- Target 2026-08-20_583f3f6d9b2c9bbaebc11e4274bdec05_elex_wannacry.exe
- Size 60KB
- Sample260820-echrnaek6t
- SHA256 81a3a4d5b018eacf78ddf18678e8d02461b68342b10e46c31cadc0f2bf30937c
- MD5 583f3f6d9b2c9bbaebc11e4274bdec05
- SHA1 44737d91166683f3f179b783cb0980334a360145
- SHA512 743c95c81e8da9ccca998ed79f0bc9da59be8e17e2b585339a5fc06654d973624ed4a455571495fcbd663694b5f6bb3898489eb2c600c0269cb8627750bab4fa
- SSDEEP 768:F/3ed1zZN/zoy0rtsDIilcXe1MFW5ToAPTUu8K0:FvWbzoZONTl8l
- TLSH T18D5364786AE81976D7B7CBB6C6F655C3F822B42739129C0D00D217490D23F16EDA2A1F
- 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/2944-0-0x0000000000400000-0x000000000040B000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/files/0x000b000000019caa-5.dat INDICATOR_EXE_Packed_MPress behavioral2/memory/2944-9-0x0000000000400000-0x000000000040B000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/memory/3448-18-0x0000000000400000-0x000000000040B000-memory.dmp INDICATOR_EXE_Packed_MPress - Executes dropped EXE 1 IoCs
pid Process 3448 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_583f3f6d9b2c9bbaebc11e4274bdec05_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 2944 wrote to memory of 3448 2944 2026-08-20_583f3f6d9b2c9bbaebc11e4274bdec05_elex_wannacry.exe 88
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-20_583f3f6d9b2c9bbaebc11e4274bdec05_elex_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-20_583f3f6d9b2c9bbaebc11e4274bdec05_elex_wannacry.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2944 -
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:3448
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\update_pdf.exe
- Size 60KB
- SHA256 f2e91cb89cb7f0754d7b1df8a70dd71e280859b472e9d2727a70e8137794d1ef
- MD5 90ad43a0a824867e4dfc9590cd846e8c
- SHA1 298c72f8eb693b0e76508b533fb617bd49bd1b9f
- SHA512 a820c258251a4452e180f2c70173b8e73c85c21232078d31b7a02e6905dc1ad43132557c86014924620c38cbf6907e61c0f781b64a19139dfd2800b71191f591
- SSDEEP 768:F/3ed1zZN/zoy0rtsDIilcXe1MFW5ToAPTUu8Ku:FvWbzoZONTl8z
- TLSH T1515364786AE81976D7B7CBB6C6F655C3F822B42739129C0D00D217490D23F16EDA2A1F
- MD5 SHA1 SHA512 SSDEEP TLSH