Analysis
- max time kernel
150s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
08/09/2026, 09:48
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-09-07_990cd0f4c1dd61338e0a17b582eacc3b_elex_wannacry.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-09-07_990cd0f4c1dd61338e0a17b582eacc3b_elex_wannacry.exe
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
General
- Target 2026-09-07_990cd0f4c1dd61338e0a17b582eacc3b_elex_wannacry.exe
- Size 63KB
- Sample260908-ls4gmaxdkb
- SHA256 a026f6243ea2d7e44aa8d01213ae16d59677cf15e09e0a3a1479ed63ab0971f6
- MD5 990cd0f4c1dd61338e0a17b582eacc3b
- SHA1 561b6de8f88ccc08ae9f11836a2e700f343bc955
- SHA512 1b7e44542f18840869a3e9eb767b0804bc889d8369e7213b2bfc1fca0c49255239382f6a8d26643a394bfd283742a54c465e1f59bc4ae13fd946b1acce3f4462
- SSDEEP 768:F/3ed1zZN/zoy0rtsDIilcXe1MFW5ToAPTUVN:FvWbzoZONTi
- TLSH T1045363786AE81976D7B7CBB6C6F655C3F822B42739129C0D00D317490D23F17ADA2A1E
- 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/4904-0-0x0000000000400000-0x000000000040B000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/files/0x000d00000001b890-5.dat INDICATOR_EXE_Packed_MPress behavioral2/memory/4904-10-0x0000000000400000-0x000000000040B000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/memory/2720-11-0x0000000000400000-0x000000000040B000-memory.dmp INDICATOR_EXE_Packed_MPress - Executes dropped EXE 1 IoCs
pid Process 2720 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 2026-09-07_990cd0f4c1dd61338e0a17b582eacc3b_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 4904 wrote to memory of 2720 4904 2026-09-07_990cd0f4c1dd61338e0a17b582eacc3b_elex_wannacry.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-09-07_990cd0f4c1dd61338e0a17b582eacc3b_elex_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-09-07_990cd0f4c1dd61338e0a17b582eacc3b_elex_wannacry.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4904 -
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:2720
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\update_pdf.exe
- Size 64KB
- SHA256 b71baab3f8691011a5370d3707d90c4ce781db9005408cbed59eb5d4c8c7fd26
- MD5 879895e4c1086a3cdd2f7a7b65384e4f
- SHA1 0db0b105e5de316a8cc66f4a7a246d4a9085275d
- SHA512 22c58d37530a582eb97239c8b0f1aead67519e652967b3ba48da4d8e6cf5b20e6f68d137e4c7f42e2a098ab893aef52e66a06169518fc7d0355328327fc51c3d
- SSDEEP 768:F/3ed1zZN/zoy0rtsDIilcXe1MFW5ToAPTUVZ:FvWbzoZONT+
- TLSH T1A55363786AE81976D7B7CBB6C6F655C3F822B42739129C0D00D317490D23F17ADA2A1E
- MD5 SHA1 SHA512 SSDEEP TLSH