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
04/08/2026, 10:23
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-08-03_a6ca78f76b26223538c2ee51f1658315_elex_wannacry.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-03_a6ca78f76b26223538c2ee51f1658315_elex_wannacry.exe
Resource
win11ltsc2024-20260710-en
6 signatures
150 seconds
General
- Target 2026-08-03_a6ca78f76b26223538c2ee51f1658315_elex_wannacry.exe
- Size 31.7MB
- Sample260804-mesnmscp4t
- SHA256 17e9a8b1a28c044af2325dddcc746a770532d8723fedce5555735ef1a05ab7bc
- MD5 a6ca78f76b26223538c2ee51f1658315
- SHA1 94a1d33a434a4f759fd7c86c78d9056aeef6746b
- SHA512 45b3c74ad04a7652842e3f90493a1c40b87e5a85bc5286ab2662705b63be421451f82eafa770313439cd44708a57808a4f36dc2f986ddf25ea400ce3602870f9
- SSDEEP 24576:ETBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB3:EZ
- TLSH T19577E81F5A1305A438393B75EDF90505F5AF8DE3E0B29EE6583896A059E783F087E483
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Deletes itself 1 IoCs
pid Process 4636 lsass.exe - Executes dropped EXE 1 IoCs
pid Process 4636 lsass.exe - Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files\Common Files\Microsoft Shared X\lsass.exe 2026-08-03_a6ca78f76b26223538c2ee51f1658315_elex_wannacry.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared X\lsass.exe 2026-08-03_a6ca78f76b26223538c2ee51f1658315_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 lsass.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-08-03_a6ca78f76b26223538c2ee51f1658315_elex_wannacry.exe - Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 4436 2026-08-03_a6ca78f76b26223538c2ee51f1658315_elex_wannacry.exe 4636 lsass.exe 4636 lsass.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 4436 wrote to memory of 4636 4436 2026-08-03_a6ca78f76b26223538c2ee51f1658315_elex_wannacry.exe 86
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-03_a6ca78f76b26223538c2ee51f1658315_elex_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-03_a6ca78f76b26223538c2ee51f1658315_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:4436 -
C:\Program Files\Common Files\Microsoft Shared X\lsass.exe12⤵
- Deletes itself
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:4636
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\Common Files\Microsoft Shared X\lsass.exe
- Size 44.8MB
- SHA256 27abbd89ca335f9abcc56a2a2223a6ba288848b3336527c35c93a3b7904eb4c1
- MD5 39bd1fb8015254bdfe6ed0bde8a5b07e
- SHA1 b1c40cac05f28793ea3f3317bdf58b91076e7925
- SHA512 4c8e2a3e6b3cc9849dfc9d95aca74ac35fc33e7cdea635fe97db33eaa17a23560e14e9b8167db0b9bc8e8bc7691ac586f9fefc7ced26002a54ee60688638a32b
- SSDEEP 24576:ETBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBq:Ek
- TLSH T1EFA7191F8743054524352B3ACDEE0B52F86E49F3D5BB5CB7542892B4AAC993B2C2F853
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\SystemTemp_1
- Size 95B
- SHA256 1877b28112ab5aac794309601562643feb955e968221c2261159c2ab58113604
- MD5 99f64b3fc8b0ed204fc8c82cacb09fe8
- SHA1 a616522045271e199b52ab47b59c44419633b97b
- SHA512 2c45fbb1ba42f42e2db8fa93a1af8b65919f2c6a67ba8c745942908e7f6e056e9f312de95b198fe675574233c7c5f2adfe4d1c90f6ba4fc80d4397d78bfecadb
- TLSH T13BB0120080E9853B0408604767E04849906038495A562381C791CD4925808DCFA84105
- MD5 SHA1 SHA512 TLSH