Analysis
- max time kernel
150s - max time network
147s - 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, 08:56
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-08-08_401e887ab630dd1ad38e7ddaa38f9c2c_elex_wannacry.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-08_401e887ab630dd1ad38e7ddaa38f9c2c_elex_wannacry.exe
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
General
- Target 2026-08-08_401e887ab630dd1ad38e7ddaa38f9c2c_elex_wannacry.exe
- Size 57KB
- Sample260808-kwfz3axtds
- SHA256 234cbb7e7cfdaac03653407ca2db5fb7ca898dd9b57fe8886bc49aa5436e1a0e
- MD5 401e887ab630dd1ad38e7ddaa38f9c2c
- SHA1 03009630a92893e8228255947c993568a9aa1517
- SHA512 2f5defb55da8daba893f7d7548eda70275a6742ba4d84e9134a1fef364d40a8deda8cec20c821f63bea7c444a8045a9a1735171aaefdc038dfa28c3ad97d14b3
- SSDEEP 768:F/3ed1zZN/zoy0rtsGA4i2BIHRmibsa4BJs6dHqv+9b:FvWbzooeOsi4a4xtqv+x
- TLSH T1CB43B878AFD91572E37BDEB9C9F2A1C3B872B0267D02580D40C247450D23F56EDA2A4E
- 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/1372-0-0x0000000000400000-0x000000000040B000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/files/0x001100000001b303-5.dat INDICATOR_EXE_Packed_MPress behavioral2/memory/1372-9-0x0000000000400000-0x000000000040B000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/memory/6112-11-0x0000000000400000-0x000000000040B000-memory.dmp INDICATOR_EXE_Packed_MPress - Executes dropped EXE 1 IoCs
pid Process 6112 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 2026-08-08_401e887ab630dd1ad38e7ddaa38f9c2c_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 1372 wrote to memory of 6112 1372 2026-08-08_401e887ab630dd1ad38e7ddaa38f9c2c_elex_wannacry.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-08_401e887ab630dd1ad38e7ddaa38f9c2c_elex_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-08_401e887ab630dd1ad38e7ddaa38f9c2c_elex_wannacry.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1372 -
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:6112
-
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 c6171652a94ebc663e0a4f2c903a6082805f8a490b1186792e14ca26175b6dbd
- MD5 807b84a9d11e6b557bdc7839ac2f71f1
- SHA1 99dcba15970717594828452627c81bdca668df37
- SHA512 4b139462416d46094f8eefbf77d92b7d882c6d6672fcd2a9c1883b9b42c8ff14ea75e4de24ce80f58f6e2c4ccf69d258775172a6ff18a264e95dbd719859986c
- SSDEEP 768:F/3ed1zZN/zoy0rtsGA4i2BIHRmibsa4BJs6dHqv+9R:FvWbzooeOsi4a4xtqv+b
- TLSH T19B43B978AFD91572E37BDEB9C9F2A1C3B872B0267D02580D40C247450D23F56EDA2A4E
- MD5 SHA1 SHA512 SSDEEP TLSH