ccb42daca383ca31a629415cf198c8bece3405371b0078e8595399e49d3f9f51

Analysis

max time kernel
150s
max time network
126s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
28/07/2026, 04:25

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General

Target
2026-07-28_d90cb0217d27813447d9c7ac9d42deaa_elex_wannacry.exe
Size 13.5MB
Sample260728-e2e23aaq7x
SHA256 ccb42daca383ca31a629415cf198c8bece3405371b0078e8595399e49d3f9f51
MD5 d90cb0217d27813447d9c7ac9d42deaa
SHA1 bdb502ee5904f95de32457be4cafd04fcd988887
SHA512 47f22366545748e814a00684994e1e77f72d6d808675b077c29f7714ba329ca2b4d27c97eec4230f8afb71430a39df5cc5dd02eb2d376bc674b85e86e18d6d99
SSDEEP 98304:9nZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZi:i
TLSH
T1F4E6340AA01294E8E8A1E57DA19CEF7D7DC57353CB9F841E3664C0DCF131A8A74BC9A1
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4580	lsass.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\Microsoft Shared K\lsass.exe	2026-07-28_d90cb0217d27813447d9c7ac9d42deaa_elex_wannacry.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared K\lsass.exe	2026-07-28_d90cb0217d27813447d9c7ac9d42deaa_elex_wannacry.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2696	4580	WerFault.exe	90

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	2026-07-28_d90cb0217d27813447d9c7ac9d42deaa_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsass.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
5576	2026-07-28_d90cb0217d27813447d9c7ac9d42deaa_elex_wannacry.exe
4580	lsass.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 5576 wrote to memory of 4580	5576	2026-07-28_d90cb0217d27813447d9c7ac9d42deaa_elex_wannacry.exe	90

C:\Users\Admin\AppData\Local\Temp\2026-07-28_d90cb0217d27813447d9c7ac9d42deaa_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-28_d90cb0217d27813447d9c7ac9d42deaa_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:5576
- C:\Program Files\Common Files\Microsoft Shared K\lsass.exe
  1
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:4580
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4580 -s 272
    3⤵
    - Program crash
    PID:2696

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 4580 -ip 4580
1⤵
PID:2276

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

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Downloads

lsass.exe

Path C:\Program Files\Common Files\Microsoft Shared K\lsass.exe
Size 25.6MB
SHA256 829eb1650415027aa3eb2b6f77a744ab2070f0b6ae67b38a6dd68a44ff7455b3
MD5 e9d010c1d782fcd05049ea40895612a6
SHA1 c0444a05d86feb898c2eed7673d842843b8999c6
SHA512 4c42851245f370a247f3c87d715201602e9718a17b7032f0281ed89b9abbb4003c2c909e10c10a7a235614f91d39c4b341200d91a618405215974fdaede13ca6
SSDEEP 98304:9nZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZh:h
TLSH
T1C747760AE00588B1F4DEA1BAF18CFABE65C29B52CB5A86153B54C19CF8159D274FCC73
MD5 SHA1 SHA512 SSDEEP TLSH

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