fcc6c7eef1dd17f225744488752d4bd941338d0c246a255d1d0cb9e6756c4664

Analysis

max time kernel
149s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20260911-en
resource tags

arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
12/09/2026, 09:26

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General

Target
2026-09-11_6618d2ef61f13c2fc106fe7162d70cf5_elex_wannacry.exe
Size 10.1MB
Sample260912-lemlystbjc
SHA256 fcc6c7eef1dd17f225744488752d4bd941338d0c246a255d1d0cb9e6756c4664
MD5 6618d2ef61f13c2fc106fe7162d70cf5
SHA1 254936d1c0149eded0bccfda784f6233f0d48e8d
SHA512 a4c7e821f8e4d21f2a955423ba5bb24d32da409df405304d2e1541339e625ac44a4de2b99cd043abaa58635b918690b18265bc0b90deadbf1ea8c97ceb1f7a40
SSDEEP 24576:FikkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkV:F9
TLSH
T1ADB6740C654822CBADFA15B646F764F7031539931B2669027F20687C76FFEBA9208CDD
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
808	lsass.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\Microsoft Shared F\lsass.exe	2026-09-11_6618d2ef61f13c2fc106fe7162d70cf5_elex_wannacry.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared F\lsass.exe	2026-09-11_6618d2ef61f13c2fc106fe7162d70cf5_elex_wannacry.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
400	808	WerFault.exe	85

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	2026-09-11_6618d2ef61f13c2fc106fe7162d70cf5_elex_wannacry.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4916	2026-09-11_6618d2ef61f13c2fc106fe7162d70cf5_elex_wannacry.exe
808	lsass.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4916 wrote to memory of 808	4916	2026-09-11_6618d2ef61f13c2fc106fe7162d70cf5_elex_wannacry.exe	85

C:\Users\Admin\AppData\Local\Temp\2026-09-11_6618d2ef61f13c2fc106fe7162d70cf5_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-09-11_6618d2ef61f13c2fc106fe7162d70cf5_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:4916
- C:\Program Files\Common Files\Microsoft Shared F\lsass.exe
  1
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:808
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 808 -s 420
    3⤵
    - Program crash
    PID:400

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 808 -ip 808
1⤵
PID:4160

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 F\lsass.exe
Size 21.6MB
SHA256 e17aca28a971af1893fdb283201f7b54b7661933439f808b837969482fcf4968
MD5 f38857aa88dbf2c9a61956c0548d936c
SHA1 a21176e4b376716c4f8cc432839f1e6a14b40a05
SHA512 e06f46b99ff2e30e18d37580054378944608afd63412902e03f7295604fa2530600cba59b57d3ecbcd297b41da502400ce09d502971d28234916e2f5eceb3553
SSDEEP 24576:Fikkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkku:FW
TLSH
T1A937961C5546145B88AB8CBB09F754E303358E224AB2EE229B71243C37FFD65AF4867D
MD5 SHA1 SHA512 SSDEEP TLSH

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