b0403673121a9a1415b940ec052d90a894aa5a403c7cba1e5cffc5bf6c59a52c

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
30/07/2026, 00:12

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General

Target
2026-07-29_3d73c1ab8255b73893f6ed087769ca7a_elex_wannacry.exe
Size 26.0MB
Sample260730-ahn4eaaj51
SHA256 b0403673121a9a1415b940ec052d90a894aa5a403c7cba1e5cffc5bf6c59a52c
MD5 3d73c1ab8255b73893f6ed087769ca7a
SHA1 b362ecab79377272c848e7c289b520b5bb13de0b
SHA512 9638348e06d5522cfb95709797fc94298f81d58f337c7838ec9948b5e4b665ac194f671db99d3e6415f6a11fbc2a3ce163242ea73f543cc7f2d265f9db2a1adf
SSDEEP 12288:j4NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNs:j/
TLSH
T19357C8430014C59C1B76E6ADA5EC85D49F2B59B7B924C33325184BF5A8EE3C48FB8EB1
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1296	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	2026-07-29_3d73c1ab8255b73893f6ed087769ca7a_elex_wannacry.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared O\lsass.exe	2026-07-29_3d73c1ab8255b73893f6ed087769ca7a_elex_wannacry.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3776	1296	WerFault.exe	86

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	lsass.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-07-29_3d73c1ab8255b73893f6ed087769ca7a_elex_wannacry.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1056	2026-07-29_3d73c1ab8255b73893f6ed087769ca7a_elex_wannacry.exe
1296	lsass.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 1056 wrote to memory of 1296	1056	2026-07-29_3d73c1ab8255b73893f6ed087769ca7a_elex_wannacry.exe	86

C:\Users\Admin\AppData\Local\Temp\2026-07-29_3d73c1ab8255b73893f6ed087769ca7a_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-29_3d73c1ab8255b73893f6ed087769ca7a_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:1056
- C:\Program Files\Common Files\Microsoft Shared O\lsass.exe
  1
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:1296
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1296 -s 424
    3⤵
    - Program crash
    PID:3776

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1296 -ip 1296
1⤵
PID:1332

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 O\lsass.exe
Size 41.1MB
SHA256 86f45516fcc07dfdac670b5fb39620cef70b384c4464f0bfdd15997bf1501309
MD5 1c16bde82555b00c9b5da297caa73f07
SHA1 1aeaed502ed6345f8f5fe87e3e9a030a56c90e0a
SHA512 41ee39641b19149585677181931682ab98696770fa54f8d155de7bcb3a2cf8e7c88a15e4252025a9f9990c5017d8d2b9c00c02bbc5e74bc3d7dcc16c662a077b
SSDEEP 12288:j4NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNr:jS
TLSH
T18097D9830A9045DC26BAB5A4EAFC00749F15487A7234E2B316414BE594FF3EDCFADDA1
MD5 SHA1 SHA512 SSDEEP TLSH

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