Analysis
- max time kernel
149s - max time network
149s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
28/05/2026, 00:42
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-05-27_eba4ee411226fdbc706f691bed85e9d1_elex_wannacry.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-05-27_eba4ee411226fdbc706f691bed85e9d1_elex_wannacry.exe
Resource
win11-20260513-en
6 signatures
150 seconds
General
- Target 2026-05-27_eba4ee411226fdbc706f691bed85e9d1_elex_wannacry.exe
- Size 28.3MB
- Sample260528-a2rnmses7w
- SHA256 1c23bbea10381f3eb17130b34c02f6c9845eaa345cc7be1c0d31d82b7b39e11d
- MD5 eba4ee411226fdbc706f691bed85e9d1
- SHA1 83a7eaf47bb1593137006d50bdcd5da9c2e8190c
- SHA512 b850949ee5b55df95940595c44fdb828a83caa36ea80249e8ecfd6347cfef44805fc5db70f8c72bf474ab191c89e262ea54cc593e07789b451af6272853b425b
- SSDEEP 24576:ETBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBo:EK
- TLSH T16657D94841D79FFEAD42F545E1E6050286EDC5AB10EA34B078E351C3E472A62C2DEEDB
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Deletes itself 1 IoCs
pid Process 4724 lsass.exe - Executes dropped EXE 1 IoCs
pid Process 4724 lsass.exe - Drops file in Program Files directory 2 IoCs
description ioc Process File opened for modification C:\Program Files\Common Files\Microsoft Shared Y\lsass.exe 2026-05-27_eba4ee411226fdbc706f691bed85e9d1_elex_wannacry.exe File created C:\Program Files\Common Files\Microsoft Shared Y\lsass.exe 2026-05-27_eba4ee411226fdbc706f691bed85e9d1_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 2026-05-27_eba4ee411226fdbc706f691bed85e9d1_elex_wannacry.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language lsass.exe - Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 4004 2026-05-27_eba4ee411226fdbc706f691bed85e9d1_elex_wannacry.exe 4724 lsass.exe 4724 lsass.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 4004 wrote to memory of 4724 4004 2026-05-27_eba4ee411226fdbc706f691bed85e9d1_elex_wannacry.exe 79
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-05-27_eba4ee411226fdbc706f691bed85e9d1_elex_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-27_eba4ee411226fdbc706f691bed85e9d1_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:4004 -
C:\Program Files\Common Files\Microsoft Shared Y\lsass.exe12⤵
- Deletes itself
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:4724
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\Common Files\Microsoft Shared Y\lsass.exe
- Size 43.3MB
- SHA256 ac8250015ce5071dbc2af9a00a518a613a6b3db3233ca2baf59fc2f36fe6fad3
- MD5 c80cbb64e772e580dbae57f4cf712b6b
- SHA1 52958863503783178806259e56d4b0f8a0c31f3b
- SHA512 bc325a7144698d5528ada1ea893738f026529a91af560d43ca7a041796e13ba7981c6af43f22cbfba32b8c17ed39987b13912e69e89944050851d0cb17563f41
- SSDEEP 24576:ETBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBL:EZ
- TLSH T156A70A85E9EBDFA9D512BC46D19D14828DEDC35B13ED348098E205DAF4B20B1CC8FAD9
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\SystemTemp_1
- Size 95B
- SHA256 b27038a44a04b5a381f318fe38e10f88516953613caa566892b64a40ebffd0b7
- MD5 a2ac059e0712d7ccd75202d50072e6e9
- SHA1 f837a10be5a37f891ad29305818e0b85c6714d9e
- SHA512 26d8149860b46de51218b1953da46dd0f6034e10c5653ca8137046939cf43fe6e6422fd45dbad5e2d9bb714f7b403e4f19a197d6bb762a1229c97f058eabc58d
- TLSH T121B0120287FD8A1214206327C7B4008BD4D73C059B1717900334D60420C1E49B990281
- MD5 SHA1 SHA512 TLSH