Analysis
- max time kernel
150s - max time network
120s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260629-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
01/07/2026, 02:01
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-06-30_f89caf88a947f5a752cfded43e373ddf_elex_wannacry.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-06-30_f89caf88a947f5a752cfded43e373ddf_elex_wannacry.exe
Resource
win11ltsc2024-20260629-en
6 signatures
150 seconds
General
- Target 2026-06-30_f89caf88a947f5a752cfded43e373ddf_elex_wannacry.exe
- Size 13.8MB
- Sample260701-cflavaes4w
- SHA256 951e594b1d239ab124852eb16592305be42377cb7e67e3df7ac81f8ba2cad772
- MD5 f89caf88a947f5a752cfded43e373ddf
- SHA1 e343508e088d8923c457cce681332462ccf78f0d
- SHA512 52161ba95df4339be847a44aa14f122d4d24d19d9a1d97bba466047d0ab1fbf6680d5fa6f95599db970eafe4f5a128917e7f570012e415a8bdc60e3af35bc0f4
- SSDEEP 24576:ETBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBJ:EL
- TLSH T1AAE6FF0CDB01E86FF09452A5F467E53AEFC11E4EF259A93ECE5BC8B40C066016E67E85
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Deletes itself 1 IoCs
pid Process 3940 lsass.exe - Executes dropped EXE 1 IoCs
pid Process 3940 lsass.exe - Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files\Common Files\Microsoft Shared O\lsass.exe 2026-06-30_f89caf88a947f5a752cfded43e373ddf_elex_wannacry.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared O\lsass.exe 2026-06-30_f89caf88a947f5a752cfded43e373ddf_elex_wannacry.exe - 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 2026-06-30_f89caf88a947f5a752cfded43e373ddf_elex_wannacry.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language lsass.exe - Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 4712 2026-06-30_f89caf88a947f5a752cfded43e373ddf_elex_wannacry.exe 3940 lsass.exe 3940 lsass.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 4712 wrote to memory of 3940 4712 2026-06-30_f89caf88a947f5a752cfded43e373ddf_elex_wannacry.exe 88
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-06-30_f89caf88a947f5a752cfded43e373ddf_elex_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-06-30_f89caf88a947f5a752cfded43e373ddf_elex_wannacry.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4712 -
C:\Program Files\Common Files\Microsoft Shared O\lsass.exe12⤵
- Deletes itself
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:3940
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\Common Files\Microsoft Shared O\lsass.exe
- Size 28.4MB
- SHA256 fc316dfef1fbf406bc913e54b0849bf503f71449cf2cea21358f6faa509e7276
- MD5 f9fe802e1b41c22a6fad16b4dbe91ab7
- SHA1 d2c3c9846209abb9ae0c1c8fd52d44fd3c166b26
- SHA512 61c1877036411e72de118666073a930b552a3f23e22c8fab575fa0fd82d2791a7fbc4c14128bdf409974813e6e7fc45faa7e9cc09b1aa1639267f635b4469892
- SSDEEP 24576:ETBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBE:Eu
- TLSH T12167D64CDAC4DD9FE49857F6B403E5316E429D9BA1C66074DBDAE8B42D0AF043BF8920
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\SystemTemp_1
- Size 95B
- SHA256 4ac3de83eb571114cbfa2397ac2fe97e240f75fc512ae39b6e0aac63e8579eb5
- MD5 ff06b5c015495c9bf7945b55394f8d87
- SHA1 acab8f552906f3b1e4687ea35c943315081de8f6
- SHA512 ea2a0769ef045e12c2f39aaea37308893b710abb35ea35d3a427c917bab0826ac3fb04c28bbf18444ef521a27cf644b9319ef7897c9fc4bc31cfb10571955509
- TLSH T19EB0120842BB6D13040C605B4971860EA06278085E06A3900310D644D184988BAC8502
- MD5 SHA1 SHA512 TLSH