Analysis
- max time kernel
148s - max time network
136s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260629-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
04/07/2026, 08:14
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-07-04_af1a7ff8c1cf6301886ef26b400ded5e_elex_wannacry.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-07-04_af1a7ff8c1cf6301886ef26b400ded5e_elex_wannacry.exe
Resource
win11ltsc2024-20260629-en
5 signatures
150 seconds
General
- Target 2026-07-04_af1a7ff8c1cf6301886ef26b400ded5e_elex_wannacry.exe
- Size 57KB
- Sample260704-j5devscz7w
- SHA256 6e75fb06f04fca2c786264c66230aeeee9cbdd3f6c00f524d4e321ecd56667f4
- MD5 af1a7ff8c1cf6301886ef26b400ded5e
- SHA1 0d131c618872bcd0bbc13d45a13a4dd60387e944
- SHA512 6c0fb322ef216b5f1f32d22007ec41924cbca907c582181486c6891997ede5965214d4559310872abd42a5cb6060a9a382b61f4e629469dd1c3571ebe8951fd0
- SSDEEP 768:F/3ed1zZN/zoy0rtsGA4i2BIHRmibsa4BJs6dHqv+9/:FvWbzooeOsi4a4xtqv+1
- TLSH T12B43B978AFD91572E37BDEB9C9F2A1C3B972B0267D02580D40C247450D23F56EDA2A4E
- 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/5892-0-0x0000000000400000-0x000000000040B000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/files/0x000e00000001b884-5.dat INDICATOR_EXE_Packed_MPress behavioral2/memory/5892-10-0x0000000000400000-0x000000000040B000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/memory/4704-12-0x0000000000400000-0x000000000040B000-memory.dmp INDICATOR_EXE_Packed_MPress - Executes dropped EXE 1 IoCs
pid Process 4704 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 2026-07-04_af1a7ff8c1cf6301886ef26b400ded5e_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 5892 wrote to memory of 4704 5892 2026-07-04_af1a7ff8c1cf6301886ef26b400ded5e_elex_wannacry.exe 88
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-04_af1a7ff8c1cf6301886ef26b400ded5e_elex_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-04_af1a7ff8c1cf6301886ef26b400ded5e_elex_wannacry.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5892 -
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:4704
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\update_pdf.exe
- Size 58KB
- SHA256 ed48671caa7f4e114a82009032de488dbccee2ae5ba956c70f66ba1c97752888
- MD5 6e6f4c06e259c996587978c2bf56de32
- SHA1 6d78884203d79c52d643c74c6704fe0a4e6f66c2
- SHA512 7aa8824dcd2c29b5b273ba7de9145759039e2bd3cbc1da654267775494ada1453d409dbdeedac686a7528e241498351229c55d9de41ab1dd32a26a7b03cba5db
- SSDEEP 768:F/3ed1zZN/zoy0rtsGA4i2BIHRmibsa4BJs6dHqv+9F:FvWbzooeOsi4a4xtqv+v
- TLSH T1CA43B978AFD91572E37BDEB9C9F2A1C3B972B0267D02580D40C247450D23F56EDA2A4E
- MD5 SHA1 SHA512 SSDEEP TLSH