Analysis
- max time kernel
150s - max time network
149s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
20/08/2026, 01:03
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-08-20_cd78079d5395189699b20e30abd99b40_elex_wannacry.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-20_cd78079d5395189699b20e30abd99b40_elex_wannacry.exe
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
General
- Target 2026-08-20_cd78079d5395189699b20e30abd99b40_elex_wannacry.exe
- Size 36KB
- Sample260820-bepffaaf97
- SHA256 75c3c42a197c9f4f2621a696a23b1fb8304ac0da321fe22a0b10910a75761f14
- MD5 cd78079d5395189699b20e30abd99b40
- SHA1 e52392691f72d8874799eaae183b112357763b2a
- SHA512 c5fe90b2e40b5edd3af8de0505fe74fc4e9b67ff9a7b2bd7ce389e10bb110b22d17d6b3fdd4dd09030b6b300f37a5e8a4fafcdec20b653c10935479d20867edf
- SSDEEP 384:I8/JYSrFQjGezfNHP1zZYpMYUzMk9hBcecy0xHtD3BOR:F/3ed1zZN/zoy0BtD3BOR
- TLSH T1CBF274B5ABC509B6D673CEB9C5F165C3B453B05E7D16980D04D22B0A2E23B43F8A294F
- 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/4128-0-0x0000000000400000-0x000000000040B000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/files/0x0013000000016db3-5.dat INDICATOR_EXE_Packed_MPress behavioral2/memory/4128-9-0x0000000000400000-0x000000000040B000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/memory/3592-14-0x0000000000400000-0x000000000040B000-memory.dmp INDICATOR_EXE_Packed_MPress - Executes dropped EXE 1 IoCs
pid Process 3592 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_cd78079d5395189699b20e30abd99b40_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 4128 wrote to memory of 3592 4128 2026-08-20_cd78079d5395189699b20e30abd99b40_elex_wannacry.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-20_cd78079d5395189699b20e30abd99b40_elex_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-20_cd78079d5395189699b20e30abd99b40_elex_wannacry.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4128 -
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:3592
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\update_pdf.exe
- Size 36KB
- SHA256 779e80fb46820de2cac77750750a077c413e13d0a2fe5fbda4082f58f15629b8
- MD5 271103e539fc98685dcb1be660a25b00
- SHA1 9f1ffa6669bca207d2ad76291fd5a6964a408c3d
- SHA512 4b23dc1c64a90691f7112c9a1340b9819d268e8f79588a75bfb3bc67973f45e0d220f146b51050d3b5c2f67b1b62c922ea01ed17328e9574741a9a61839db148
- SSDEEP 384:I8/JYSrFQjGezfNHP1zZYpMYUzMk9hBcecy0xHtD3BOY:F/3ed1zZN/zoy0BtD3BOY
- TLSH T146F274B5ABC509B6D673CEB9C5F164C3B453B05E7D16980D04D22B0A2E23B43F8A294F
- MD5 SHA1 SHA512 SSDEEP TLSH