Analysis
- max time kernel
148s - max time network
116s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
08/08/2026, 08:45
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-08-08_bb94a22838b57d844aad5c2b1b9e8f26_elex_wannacry.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-08_bb94a22838b57d844aad5c2b1b9e8f26_elex_wannacry.exe
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
General
- Target 2026-08-08_bb94a22838b57d844aad5c2b1b9e8f26_elex_wannacry.exe
- Size 57KB
- Sample260808-knqvasck8v
- SHA256 49e1c1bdf0ee3dc8ff4aff4bfcc0639c3fa3f728728117765a54dcd1edcc628b
- MD5 bb94a22838b57d844aad5c2b1b9e8f26
- SHA1 557ee3e78eda04c4fe751eaf00bfd733e96a631c
- SHA512 b13379ae4f5413023f9634ae9b5fef343d9fd798d3ffdb9e1b937589855a613d29d6fbfdebe963541f392dee02b4c010f0a4197b586c13cade4d13d265eabd76
- SSDEEP 768:F/3ed1zZN/zoy0rt/Mdn43RvIlGm1vD/qWD:FvWbzoodnu5mGm1vDjD
- TLSH T1B343B978AFD51972E37BDEBAC9F265C7B976B0263C02680D40C247440D23F57ADA1A4E
- 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/1248-0-0x0000000000400000-0x000000000040B000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/files/0x000b00000001b315-5.dat INDICATOR_EXE_Packed_MPress behavioral2/memory/1248-10-0x0000000000400000-0x000000000040B000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/memory/3008-14-0x0000000000400000-0x000000000040B000-memory.dmp INDICATOR_EXE_Packed_MPress - Executes dropped EXE 1 IoCs
pid Process 3008 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 update_pdf.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-08-08_bb94a22838b57d844aad5c2b1b9e8f26_elex_wannacry.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 1248 wrote to memory of 3008 1248 2026-08-08_bb94a22838b57d844aad5c2b1b9e8f26_elex_wannacry.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-08_bb94a22838b57d844aad5c2b1b9e8f26_elex_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-08_bb94a22838b57d844aad5c2b1b9e8f26_elex_wannacry.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1248 -
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:3008
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\update_pdf.exe
- Size 57KB
- SHA256 d413858b69d418afb05b0ca14945cdc896eb376695148a24fb88140088595ab3
- MD5 13eccc36354b7b6b8a8f531f9eed32f2
- SHA1 1ac17b698df5be2a701ee63f7d2730013d087ed9
- SHA512 a59f4668a0ffb992dfeabdc24ed2b17da56077c21fb702541cb9249ca99cb80ada9187ec7af184a23645ad35df2fd0e745601029ae236007ea6b2a68babf9a7b
- SSDEEP 768:F/3ed1zZN/zoy0rt/Mdn43RvIlGm1vD/qWf:FvWbzoodnu5mGm1vDjf
- TLSH T10843B978AFD51972E37BDEBAC9F265C7B976B0263C02680D40C247440D23F57ADA1A4E
- MD5 SHA1 SHA512 SSDEEP TLSH