Analysis
- max time kernel
150s - max time network
146s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
02/08/2026, 14:20
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-08-02_66cadca1fe900a12c7eff2f62851b72c_elex_wannacry.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-02_66cadca1fe900a12c7eff2f62851b72c_elex_wannacry.exe
Resource
win11ltsc2024-20260710-en
5 signatures
150 seconds
General
- Target 2026-08-02_66cadca1fe900a12c7eff2f62851b72c_elex_wannacry.exe
- Size 58KB
- Sample260802-rnva2svcqa
- SHA256 adef4563e2b5120cfd2075fa1cab9c71dedd588acce806c88d89f2f9a0c7bf20
- MD5 66cadca1fe900a12c7eff2f62851b72c
- SHA1 454321a8e99ceb8f8e77b01d57de8d8c369e0aa4
- SHA512 72a017f36e70bd72370008cbc3286414897560e8728f498bfd8a94008f18649ebfe931a4402a1057eaae03a2fd4898dd217dfddfd69f8d125dc554ba371e49f1
- SSDEEP 768:F/3ed1zZN/zoy0rtsGA4i2BIHRmibsa4BJs6dHqv+90:FvWbzooeOsi4a4xtqv+K
- TLSH T12543BA78AFD91572E377DEB9CAF6A1C3B972B0263D02580D40C247450D23F56EDA2A4E
- 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/6016-0-0x0000000000400000-0x000000000040B000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/files/0x0009000000011380-5.dat INDICATOR_EXE_Packed_MPress behavioral2/memory/6016-9-0x0000000000400000-0x000000000040B000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/memory/908-11-0x0000000000400000-0x000000000040B000-memory.dmp INDICATOR_EXE_Packed_MPress - Executes dropped EXE 1 IoCs
pid Process 908 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 2026-08-02_66cadca1fe900a12c7eff2f62851b72c_elex_wannacry.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 6016 wrote to memory of 908 6016 2026-08-02_66cadca1fe900a12c7eff2f62851b72c_elex_wannacry.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-02_66cadca1fe900a12c7eff2f62851b72c_elex_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-02_66cadca1fe900a12c7eff2f62851b72c_elex_wannacry.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:6016 -
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:908
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\update_pdf.exe
- Size 58KB
- SHA256 1479e75da1a0a019b73c28ccfea968955595cde38fd434948f8db0da5090e450
- MD5 e47095a780872a60209eb724815b7258
- SHA1 1860e680eb70c1ba986f51ae0bab795d6c2d2845
- SHA512 3df861d0f97119eadac9bf4ea2cd77481e8e833cd36f69f5895b5ddba528b473e225e1a07587fcad920f6aa9da035129f45ffa267d6c65930bc245c38c848b66
- SSDEEP 768:F/3ed1zZN/zoy0rtsGA4i2BIHRmibsa4BJs6dHqv+9Z8:FvWbzooeOsi4a4xtqv+o
- TLSH T15143BA78AFD91572E377DEB9CAF6A1C3B972B0263D02580D40C247450D23F56EDA2A4E
- MD5 SHA1 SHA512 SSDEEP TLSH