Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
09/08/2026, 04:07
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-08-09_762fbb59f9af7723b56844b440b742d8_elex_wannacry.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-09_762fbb59f9af7723b56844b440b742d8_elex_wannacry.exe
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
General
- Target 2026-08-09_762fbb59f9af7723b56844b440b742d8_elex_wannacry.exe
- Size 58KB
- Sample260809-epzkyazejg
- SHA256 38225995b871221378ead0ea3e937b7a96440412c802f8131a59d206886c39c4
- MD5 762fbb59f9af7723b56844b440b742d8
- SHA1 606d389ede7c94e0fd1ba45a73eb4319a379e2dd
- SHA512 1d8c009ae606c3b7547d061b5b6ea7460e3e19c71e77f2454e2e03b8c5cf035853f9ed0b2a9aa905fc6971d04e78a21cc834b84f46afc25eb58eb2b317eb5b7d
- SSDEEP 768:F/3ed1zZN/zoy0rtsGA4i2BIHRmibsa4BJs6dHqv+92q:FvWbzooeOsi4a4xtqv+Eq
- TLSH T1F243B978AFD91572E37BDEB9C9F2A1C3B872B0267D02580D40C247450D23F56EDA2A4E
- 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 behavioral1/memory/4356-0-0x0000000000400000-0x000000000040B000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral1/files/0x000a000000024366-5.dat INDICATOR_EXE_Packed_MPress behavioral1/memory/4356-9-0x0000000000400000-0x000000000040B000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral1/memory/624-10-0x0000000000400000-0x000000000040B000-memory.dmp INDICATOR_EXE_Packed_MPress - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-540052884-2969440504-464782435-1000\Control Panel\International\Geo\Nation 2026-08-09_762fbb59f9af7723b56844b440b742d8_elex_wannacry.exe - Executes dropped EXE 1 IoCs
pid Process 624 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 2026-08-09_762fbb59f9af7723b56844b440b742d8_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 4356 wrote to memory of 624 4356 2026-08-09_762fbb59f9af7723b56844b440b742d8_elex_wannacry.exe 85
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-09_762fbb59f9af7723b56844b440b742d8_elex_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-09_762fbb59f9af7723b56844b440b742d8_elex_wannacry.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4356 -
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:624
-
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 0d7fc6df383cf348d8258e345e9dc4962bd520c1ed57f44d14e62d6b9920444b
- MD5 4990b69274c069a307a2dce376c9199c
- SHA1 84fe2f1cb2bd96648d9c4430c963ee64c754ade5
- SHA512 6400a65e066aed468215a21e3275dda8807a2f1511eceb03f2d8c8bec3235651ae1fbbdd94f24a3220354ecbf288182088d359059d2ae440c5a88e97ae425fb3
- SSDEEP 768:F/3ed1zZN/zoy0rtsGA4i2BIHRmibsa4BJs6dHqv+92h:FvWbzooeOsi4a4xtqv+Eh
- TLSH T1E843B978AFD91572E37BDEB9C9F2A1C3B872B0267D02580D40C247450D23F56EDA2A4E
- MD5 SHA1 SHA512 SSDEEP TLSH