c8e43e78aed199f71282ef42f5ec15aa63ab85a02487e2de97a791322b1cda00

Analysis

max time kernel
149s
max time network
149s
platform
windows11-21h2_x64
resource
win11-20260130-en
resource tags

arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
06/05/2026, 14:44

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General

Target
2026-05-06_d526ebbbe4dadb4fde8ca4d0858b63f7_elex_wannacry.exe
Size 13.2MB
Sample260506-r4alksc14w
SHA256 c8e43e78aed199f71282ef42f5ec15aa63ab85a02487e2de97a791322b1cda00
MD5 d526ebbbe4dadb4fde8ca4d0858b63f7
SHA1 2c172f2924aee7fac1764f80dcf543b1f66c210a
SHA512 ea8e83c6dd1e4125b9f8ebb906638f1b55aaac75fe5ee278a3a558c3f70c9e9f3cda981bb7a09a5f38216b9fd6aa7482214b4e7e64dcf6ef34294dad47f61b6d
SSDEEP 24576:ETBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBk:E+
TLSH
T1A9E64432B0864776D8994A9B442B1BFBB4436EF9C2C2D73BCD53355C4930992AADC8C7
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
5432	lsass.exe

Executes dropped EXE 1 IoCs

pid	Process
5432	lsass.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\Microsoft Shared R\lsass.exe	2026-05-06_d526ebbbe4dadb4fde8ca4d0858b63f7_elex_wannacry.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared R\lsass.exe	2026-05-06_d526ebbbe4dadb4fde8ca4d0858b63f7_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.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-05-06_d526ebbbe4dadb4fde8ca4d0858b63f7_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsass.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
4772	2026-05-06_d526ebbbe4dadb4fde8ca4d0858b63f7_elex_wannacry.exe
5432	lsass.exe
5432	lsass.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4772 wrote to memory of 5432	4772	2026-05-06_d526ebbbe4dadb4fde8ca4d0858b63f7_elex_wannacry.exe	79

C:\Users\Admin\AppData\Local\Temp\2026-05-06_d526ebbbe4dadb4fde8ca4d0858b63f7_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-05-06_d526ebbbe4dadb4fde8ca4d0858b63f7_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:4772
- C:\Program Files\Common Files\Microsoft Shared R\lsass.exe
  1
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:5432

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

lsass.exe

Path C:\Program Files\Common Files\Microsoft Shared R\lsass.exe
Size 25.1MB
SHA256 ae57e6bac27a00edd2aa1fbb53ba9672471c7d357e15b23d17dd5f7c68540319
MD5 53a1cc8ab1ed5fea2933579e83cb5ae4
SHA1 4242700543cb60e01df41eebac078ebac8ff94c7
SHA512 ea78e5ea28fd83b3e6be0d34a9c722ba932bb69554c309aa42795a3b563c6e24a260d4452d51240955b29aa29dbfa9c6106690eaa305fb658ac61d173295efae
SSDEEP 24576:ETBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBd:Ej
TLSH
T17D478632A0856B3AC415C7F7845A0FF3B8171FEEC15BD76B4C0256E9981E7229BAC0D6
MD5 SHA1 SHA512 SSDEEP TLSH

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SystemTemp_1

Path C:\SystemTemp_1
Size 95B
SHA256 f279dfcaf437f576686c24c8612445f6a40d85d34e2aa373e3689ff466ece8ad
MD5 376a158b855f7d7ecdc1544c74a754bf
SHA1 2a0659acec7289bfebb5902b4550a9e0c83f4843
SHA512 74399065515eb8126b82050d0041eea3a97076bccc63094ede7955cb13647ff4578802393b49a3fb7bf3ed61632d44184bdcce287a71b6a80520554f4e7bc84c
TLSH
T133B0120040794527055064178770555D95513849AB7F1F58A310CE5914D495DF748140
MD5 SHA1 SHA512 TLSH