Analysis
- max time kernel
148s - max time network
144s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
02/08/2026, 14:08
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-08-02_8342999d35da058ee82c9080cc9f25cd_elex_wannacry.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-02_8342999d35da058ee82c9080cc9f25cd_elex_wannacry.exe
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
General
- Target 2026-08-02_8342999d35da058ee82c9080cc9f25cd_elex_wannacry.exe
- Size 45KB
- Sample260802-rfqmwsbb57
- SHA256 fc702dd4f0033645be4f932409b57027abd0db0ca0188a9811110ee1b7986588
- MD5 8342999d35da058ee82c9080cc9f25cd
- SHA1 92296b4d436d67fb29b5064545164f33ca377d49
- SHA512 34c1ba3cb9872c6da11d8dae3e2eaebfdf06cd91a56b605a78e729bfb05faefbd3ce6ab44fe96db6fb3df27ca407494dc861cf0f720dcc55da56704a49a13ae8
- SSDEEP 384:Iv/JYSrFQjGYzfNHP1zZYpMYUzMk9hBcecy/xotcsHP4BiM5tQi0Ciu32HY:I/3Yd1zZN/zoy/WtvABVtx0CiuGHY
- TLSH T1542331B4AFD519B1D377DE79C9F2A5C3B972B02A3C06680D00C25B450D23B56EDA2A4F
- 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/4576-0-0x0000000000400000-0x000000000040B000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/files/0x000c000000016cd6-5.dat INDICATOR_EXE_Packed_MPress behavioral2/memory/4576-9-0x0000000000400000-0x000000000040B000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/memory/6004-23-0x0000000000400000-0x000000000040B000-memory.dmp INDICATOR_EXE_Packed_MPress - Executes dropped EXE 1 IoCs
pid Process 6004 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 2026-08-02_8342999d35da058ee82c9080cc9f25cd_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 4576 wrote to memory of 6004 4576 2026-08-02_8342999d35da058ee82c9080cc9f25cd_elex_wannacry.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-02_8342999d35da058ee82c9080cc9f25cd_elex_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-02_8342999d35da058ee82c9080cc9f25cd_elex_wannacry.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4576 -
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:6004
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\update_pdf.exe
- Size 45KB
- SHA256 19e5b99326a7edd719786095a77d64a526d3cf8d621feb685d454be6ca682468
- MD5 cd49e427dc029a235698c42283068f3c
- SHA1 9ffa7086ddfc298e03473a820104916482877dc6
- SHA512 9a336a23dc420513bcb596a1ebbd1e4ea8857e4606d062765334555ed0a68f9e97af5d75a580e45134e1a540c1a099a84d388a90eec00a0f16b738da3a92863d
- SSDEEP 384:Iv/JYSrFQjGYzfNHP1zZYpMYUzMk9hBcecy/xotcsHP4BiM5tQi0Ciu32HJ:I/3Yd1zZN/zoy/WtvABVtx0CiuGHJ
- TLSH T15D2331B4AFD519B1D377DE79C9F2A5C3B972B02A3C06680D00C25B450D23B56EDA2A4F
- MD5 SHA1 SHA512 SSDEEP TLSH