Analysis
- max time kernel
149s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
03/05/2026, 16:31
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-05-03_69e8a75ef9967202daeab3208f805aaa_elex_wannacry.exe
Resource
win10v2004-20260130-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-05-03_69e8a75ef9967202daeab3208f805aaa_elex_wannacry.exe
Resource
win11-20260130-en
5 signatures
150 seconds
General
- Target 2026-05-03_69e8a75ef9967202daeab3208f805aaa_elex_wannacry.exe
- Size 56KB
- Sample260503-t1eggagy4j
- SHA256 bb796061c7b4788eea1d75dec830922f6022f2f45740b9419f69be4823cbea4d
- MD5 69e8a75ef9967202daeab3208f805aaa
- SHA1 642e21b34db13dec82052c15b907fc62b4265b86
- SHA512 08a0261c79816598ebe6713b609d4461e023dfbe1ad95f1ac384380e6e4b876b05e11a44d1a617eb36768824ed56b0b5908024e1e4f9d084234f3c5479250abe
- SSDEEP 768:F/3ed1zZN/zoy0rtsGA4i2BIHRmibsa4BdTa:FvWbzooeOsi4a4q
- TLSH T1C343A878AFD51572E377DEB9CAF2A5C3B932B0267D02580D40C247450D23F56EDA2A4E
- 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/2796-0-0x0000000000400000-0x000000000040B000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/files/0x001a00000002b4ef-5.dat INDICATOR_EXE_Packed_MPress behavioral2/memory/2796-10-0x0000000000400000-0x000000000040B000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/memory/5636-12-0x0000000000400000-0x000000000040B000-memory.dmp INDICATOR_EXE_Packed_MPress - Executes dropped EXE 1 IoCs
pid Process 5636 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 2026-05-03_69e8a75ef9967202daeab3208f805aaa_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 2796 wrote to memory of 5636 2796 2026-05-03_69e8a75ef9967202daeab3208f805aaa_elex_wannacry.exe 79
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-05-03_69e8a75ef9967202daeab3208f805aaa_elex_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-03_69e8a75ef9967202daeab3208f805aaa_elex_wannacry.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2796 -
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:5636
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\update_pdf.exe
- Size 56KB
- SHA256 cb1ab76ba36f96da9b5af6ba4fc8555a29ee41f8e15bdc23bc431cdbb2a9685b
- MD5 2855f613956ecad0e4f8adcc2dd58933
- SHA1 fa9a4a186bedd6fe70fdbc73dc771102401cb66b
- SHA512 03f1d0c46f65af413a6b6a2821f350ea8ba9aa3a50444bc596fb2575cc1c2b595b0af9d3400d18c6c70e051831497cbb5b454be0f87e68dfa52ff4536b088a5b
- SSDEEP 768:F/3ed1zZN/zoy0rtsGA4i2BIHRmibsa4BdTx:FvWbzooeOsi4a4h
- TLSH T16443B878AFD51572E37BDEB9CAF2A5C3B932B0267D02580D40C247450D23F56EDA2A4E
- MD5 SHA1 SHA512 SSDEEP TLSH