Analysis
- max time kernel
148s - max time network
151s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
25/08/2026, 15:19
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-08-24_39aec8cf5e182eec902dd57ededf393f_elex_wannacry.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-24_39aec8cf5e182eec902dd57ededf393f_elex_wannacry.exe
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
General
- Target 2026-08-24_39aec8cf5e182eec902dd57ededf393f_elex_wannacry.exe
- Size 41KB
- Sample260825-sp99bsbm3x
- SHA256 6003c75bee03a402f3ecfb5e8fddb887f392bca2c90bd9f6772e1ca7d11b572c
- MD5 39aec8cf5e182eec902dd57ededf393f
- SHA1 ed44ab17b9813a1c0b996e893bcce4870c50f2b2
- SHA512 b646757a5f4e7534674a0d6f5b602f111232fff62aa385e991aba535d900aba9e883020be93a1150eb25ad52c0356da0a8a97ee99219c145e0b8d5fa827b2ec4
- SSDEEP 384:I8/JYSrFQjGezfNHP1zZYpMYUzMk9hBcecy0xHtD3BOgTsSh3Pd:F/3ed1zZN/zoy0BtD3BOe1pd
- TLSH T1881322B86BC419B6D673CEB9C5F265C3B862B01A7D16980D04D21B451E23B53FDA2A0F
- 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/5888-0-0x0000000000400000-0x000000000040B000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/files/0x000700000001b871-5.dat INDICATOR_EXE_Packed_MPress behavioral2/memory/5888-9-0x0000000000400000-0x000000000040B000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/memory/1468-25-0x0000000000400000-0x000000000040B000-memory.dmp INDICATOR_EXE_Packed_MPress - Executes dropped EXE 1 IoCs
pid Process 1468 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 2026-08-24_39aec8cf5e182eec902dd57ededf393f_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 5888 wrote to memory of 1468 5888 2026-08-24_39aec8cf5e182eec902dd57ededf393f_elex_wannacry.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-24_39aec8cf5e182eec902dd57ededf393f_elex_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-24_39aec8cf5e182eec902dd57ededf393f_elex_wannacry.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5888 -
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:1468
-
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 bbd490e9cbb6c3a7663f28bb98c851587830705e33237281444a3eaeac57500d
- MD5 4efe223a473793f409c23883c69977a9
- SHA1 ed9f1c731392004aab2e83577981345cbbb9f1cd
- SHA512 32a9a24bc8f6988b781275c69f283ff837c40afc8b84b4275ca0d0a0e57c878983a5f9b8e0b787ab8cebe593e6c1fbc571e9c4f287bcf3f9a56495098c5e93a7
- SSDEEP 384:I8/JYSrFQjGezfNHP1zZYpMYUzMk9hBcecy0xHtD3BOgTsSh3Pj:F/3ed1zZN/zoy0BtD3BOe1pj
- TLSH T1371322B8ABC419B6D673CEB9C5F264C3B862B01A3D169C0D04D21B451D23B53FDA2A0F
- MD5 SHA1 SHA512 SSDEEP TLSH