231d49ab270c034012f241ffea50ec3376c49db1512c2cadb76fc688f7795034

Analysis

max time kernel
151s
max time network
127s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
05/08/2026, 20:16

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General

Target
2026-08-05_d90680e647251f26c8fac56fe2f45c83_elex_wannacry.exe
Size 27.6MB
Sample260805-y13xaavgla
SHA256 231d49ab270c034012f241ffea50ec3376c49db1512c2cadb76fc688f7795034
MD5 d90680e647251f26c8fac56fe2f45c83
SHA1 874bfe88f61405a456373b36864680078bb012b6
SHA512 4a1ad48f053787565000a532b8096092ae28addef93c8b8621190b2e68f5c04b5684ed5ba2543f8499a43d328c9b094fb706fe145fe67312a268e3e3d8613001
SSDEEP 12288:j4NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNR:j6
TLSH
T1095778EF25223EB47FDD133F5AB81618EE7A27F2615C4175929D9784902FBDE08A09C0
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4144	lsass.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\Microsoft Shared V\lsass.exe	2026-08-05_d90680e647251f26c8fac56fe2f45c83_elex_wannacry.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared V\lsass.exe	2026-08-05_d90680e647251f26c8fac56fe2f45c83_elex_wannacry.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5256	4144	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	2026-08-05_d90680e647251f26c8fac56fe2f45c83_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsass.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3568	2026-08-05_d90680e647251f26c8fac56fe2f45c83_elex_wannacry.exe
4144	lsass.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 3568 wrote to memory of 4144	3568	2026-08-05_d90680e647251f26c8fac56fe2f45c83_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-05_d90680e647251f26c8fac56fe2f45c83_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-05_d90680e647251f26c8fac56fe2f45c83_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:3568
- C:\Program Files\Common Files\Microsoft Shared V\lsass.exe
  1
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:4144
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4144 -s 472
    3⤵
    - Program crash
    PID:5256

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4144 -ip 4144
1⤵
PID:4652

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 V\lsass.exe
Size 39.8MB
SHA256 6f0f207627546fe81899e0d7aa423a56c37bbae6b25649ac7fb8e3332a8c37c8
MD5 9ac38817cdcaf488f0af3932f99d54f7
SHA1 056f58e4c6e2e08960dfef0bac0b41e7a14ef3e7
SHA512 3eae9a2293ac80ac7751c7b8e6d897a64a98b0c98622b03183986827eaf4d67a0c08357a3a23d9da95cd32401b2d07596927914801ab1b7643accea1af286fc7
SSDEEP 12288:j4NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNO:jL
TLSH
T13D97B9AF16063A543F8D037B9BB82B14FD3F27B2366C6A749DE94E44C21F2C958949D0
MD5 SHA1 SHA512 SSDEEP TLSH

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