Analysis
- max time kernel
150s - max time network
139s - 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, 08:45
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-08-20_5d3e08d1bcc57d4b1bf8bd58bd9045ef_elex_wannacry.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-20_5d3e08d1bcc57d4b1bf8bd58bd9045ef_elex_wannacry.exe
Resource
win11ltsc2024-20260710-en
5 signatures
150 seconds
General
- Target 2026-08-20_5d3e08d1bcc57d4b1bf8bd58bd9045ef_elex_wannacry.exe
- Size 41KB
- Sample260820-knxb3swtew
- SHA256 cbec8509dfd94706cdf7d003fbcaeedaf3a2e6f29f2fb1ef304f4a51938434d4
- MD5 5d3e08d1bcc57d4b1bf8bd58bd9045ef
- SHA1 7ae8d6f41dc679a28bdb0876e7935010dfb7a293
- SHA512 6e5df65f53c77108d3473c3a104dd04fba31e85822ebbc71b37c6427b574028d063f80ac025e30f9fc76db5c2716b3ee5af6f7eb67bd89899ab8cde3b97d9304
- SSDEEP 384:I8/JYSrFQjGezfNHP1zZYpMYUzMk9hBcecy0xHtD3BOgTsSh3PJ:F/3ed1zZN/zoy0BtD3BOe1pJ
- TLSH T1871312B9ABC419B6D673CEB9C5F265C3B862B01A3D169C0D04D21B451E13B53FDA2A0F
- 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/4556-0-0x0000000000400000-0x000000000040B000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/files/0x000700000001b858-5.dat INDICATOR_EXE_Packed_MPress behavioral2/memory/4556-9-0x0000000000400000-0x000000000040B000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/memory/3200-14-0x0000000000400000-0x000000000040B000-memory.dmp INDICATOR_EXE_Packed_MPress - Executes dropped EXE 1 IoCs
pid Process 3200 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_5d3e08d1bcc57d4b1bf8bd58bd9045ef_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 4556 wrote to memory of 3200 4556 2026-08-20_5d3e08d1bcc57d4b1bf8bd58bd9045ef_elex_wannacry.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-20_5d3e08d1bcc57d4b1bf8bd58bd9045ef_elex_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-20_5d3e08d1bcc57d4b1bf8bd58bd9045ef_elex_wannacry.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4556 -
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:3200
-
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 478c32ece17ae657b11a3928bb4da5a84d89b5f7d9935e730f871bd229d73356
- MD5 473ce7181544c9d6419adc51a452ba1a
- SHA1 795becd74f81438a4fef70206fd0ba87135c4325
- SHA512 e2f450d973f65a068a3552118c88a8b910721290059a4a66486e4af502527b3b7e1580187265647fa4bbd145c8322cd940f0e7e86aee32bdae117e81af7656fd
- SSDEEP 384:I8/JYSrFQjGezfNHP1zZYpMYUzMk9hBcecy0xHtD3BOgTsSh3P+R:F/3ed1zZN/zoy0BtD3BOe1pW
- TLSH T1BA1322B9ABC419B6D673DEB9C5F264C3B862B01A3D169C0D04D21B451D23B53FDA2A0F
- MD5 SHA1 SHA512 SSDEEP TLSH