2180b61398f75e8b4cecfa13c01c58fdeb7c09e4b41879f8cb69c3fdc1676931

Analysis

max time kernel
149s
max time network
142s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
20/07/2026, 02:45

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General

Target
2026-07-20_a1ff64af88b9597e94eedd2969e07551_elex_wannacry.exe
Size 27.6MB
Sample260720-c81agacz5p
SHA256 2180b61398f75e8b4cecfa13c01c58fdeb7c09e4b41879f8cb69c3fdc1676931
MD5 a1ff64af88b9597e94eedd2969e07551
SHA1 d4675fcf9f7bc2c2d64415a56ae283acbfa3da51
SHA512 80a975f7fc2ea67cf735053ab5e712547d93abdd2a441d4319e1187c3f16e9ce699daf089aff21201a829f1d6067d8ee5d247bd8f90651276a77b9ab572aec5a
SSDEEP 3072:XxDLOiL55555555555555555555555555555555555555555555555555555555R:XxHOiN
TLSH
T1FD57A770429D66A16B200022434D3925A3B7DE8CF2FEAFC37216264D75AF6EDB9341DD
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2780	lsass.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\Microsoft Shared S\lsass.exe	2026-07-20_a1ff64af88b9597e94eedd2969e07551_elex_wannacry.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared S\lsass.exe	2026-07-20_a1ff64af88b9597e94eedd2969e07551_elex_wannacry.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3644	2780	WerFault.exe	89

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	2026-07-20_a1ff64af88b9597e94eedd2969e07551_elex_wannacry.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
5124	2026-07-20_a1ff64af88b9597e94eedd2969e07551_elex_wannacry.exe
2780	lsass.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 5124 wrote to memory of 2780	5124	2026-07-20_a1ff64af88b9597e94eedd2969e07551_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-07-20_a1ff64af88b9597e94eedd2969e07551_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-20_a1ff64af88b9597e94eedd2969e07551_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:5124
- C:\Program Files\Common Files\Microsoft Shared S\lsass.exe
  1
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2780
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2780 -s 468
    3⤵
    - Program crash
    PID:3644

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 2780 -ip 2780
1⤵
PID:4724

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 S\lsass.exe
Size 39.5MB
SHA256 7ed6ec9e37be145c898443809c92ce93fd1f479e81c05ee31ac316e8edb49393
MD5 07da63f650b5c1c5f07a4dbce7b5a8f6
SHA1 2274cc2467ee2f602f19e78a380ff47371afaf9b
SHA512 37914b0fc5ab0a5ae301ef60687e865798bce6cad29720cd7368b84ead619a1762565353e6c51735fd142c08b1eb13eaa495fd12a76596623a752ac7cecdcc42
SSDEEP 3072:XxDLOiL55555555555555555555555555555555555555555555555555555555k:XxHOiA
TLSH
T12897DA2C054D49A16730102A928C2955A3E7CD8CE2FFAFC37516264A70DF6AAF43B7DD
MD5 SHA1 SHA512 SSDEEP TLSH

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