5e84b0e702d7d36296b8fd8321532269b99d867716af9052ceae9c2314440437

Analysis

max time kernel
149s
max time network
133s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
19/09/2026, 19:55

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General

Target
2026-09-19_d90655df2bca0c6d0517eb3124971290_elex_wannacry.exe
Size 15.1MB
Sample260919-ym7y3seq31
SHA256 5e84b0e702d7d36296b8fd8321532269b99d867716af9052ceae9c2314440437
MD5 d90655df2bca0c6d0517eb3124971290
SHA1 6eaf21894b85532b37e454356f782a58e0fcabb0
SHA512 49088bcf0cf1f2764209ca5e33b644f08456b43b5400c2201e411f729061a9b0d11ae22483f9bbc6ecf260cee2cbc20aae972201aaa7a3a16eeee45e37292374
SSDEEP 98304:DjQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQB:Q
TLSH
T14CF68875DF32ED29CF6127450832DD89199F2A86A8769C05349EDB3A2017FE01FB36C6
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4504	lsass.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Common Files\Microsoft Shared U\lsass.exe	2026-09-19_d90655df2bca0c6d0517eb3124971290_elex_wannacry.exe
File created	C:\Program Files\Common Files\Microsoft Shared U\lsass.exe	2026-09-19_d90655df2bca0c6d0517eb3124971290_elex_wannacry.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3592	4504	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	2026-09-19_d90655df2bca0c6d0517eb3124971290_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsass.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
5928	2026-09-19_d90655df2bca0c6d0517eb3124971290_elex_wannacry.exe
4504	lsass.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 5928 wrote to memory of 4504	5928	2026-09-19_d90655df2bca0c6d0517eb3124971290_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-09-19_d90655df2bca0c6d0517eb3124971290_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-09-19_d90655df2bca0c6d0517eb3124971290_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:5928
- C:\Program Files\Common Files\Microsoft Shared U\lsass.exe
  1
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:4504
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4504 -s 468
    3⤵
    - Program crash
    PID:3592

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 4504 -ip 4504
1⤵
PID:6032

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 U\lsass.exe
Size 28.9MB
SHA256 ecd7789b8bb5c2de5287102de710a7841baf66dc32131632d0a05f6be522678d
MD5 0d392203ded7b54eba13cc23802832ab
SHA1 6317ed2f14a011ce5f5b1253ea149f0eb2e474d1
SHA512 82bda5918e00a595d8a44735132c4d963c7eef10f96dc70f38ca2e37f758dd8a478b1ccf39eb6f69fbf9eef5836060d851c3e186a65e94168acfd4f147eebb38
SSDEEP 98304:DjQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQ6:t
TLSH
T1B267C9FFEF7ABA62CF1163250E2199AD244F07B694797D10B459C6BA0C13EE05C87B81
MD5 SHA1 SHA512 SSDEEP TLSH

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