d0f87d730ebeb4e2896d56a275f1b9f9c283b11e44077ac2d2ac294b4b399457

Analysis

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

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
10/08/2026, 09:46

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General

Target
2026-08-10_ac6d6e1eacf968d6db0d6c102e597adb_elex_wannacry.exe
Size 26.0MB
Sample260810-lr2xeawcmg
SHA256 d0f87d730ebeb4e2896d56a275f1b9f9c283b11e44077ac2d2ac294b4b399457
MD5 ac6d6e1eacf968d6db0d6c102e597adb
SHA1 fc8e62de0d3100325f775f66e4e2b28ee298a8eb
SHA512 c1cf39e9c7ffbe8463bb192478c516cbee8a94d77df7e4c36aef4369c17b7f0c2aa2e7afe35d8c45b875430a695f6d9c033d1e5fcc701ffe82a4c83e091e898a
SSDEEP 12288:j4NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNA:jH
TLSH
T11157B84484FCF17D1B95B979B74E1987A0EE6CA4CEE0B3069B4886C651F0818A74F72F
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4648	lsass.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\Microsoft Shared N\lsass.exe	2026-08-10_ac6d6e1eacf968d6db0d6c102e597adb_elex_wannacry.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared N\lsass.exe	2026-08-10_ac6d6e1eacf968d6db0d6c102e597adb_elex_wannacry.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4704	4648	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	2026-08-10_ac6d6e1eacf968d6db0d6c102e597adb_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsass.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4992	2026-08-10_ac6d6e1eacf968d6db0d6c102e597adb_elex_wannacry.exe
4648	lsass.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4992 wrote to memory of 4648	4992	2026-08-10_ac6d6e1eacf968d6db0d6c102e597adb_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-10_ac6d6e1eacf968d6db0d6c102e597adb_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-10_ac6d6e1eacf968d6db0d6c102e597adb_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:4992
- C:\Program Files\Common Files\Microsoft Shared N\lsass.exe
  1
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:4648
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4648 -s 472
    3⤵
    - Program crash
    PID:4704

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4648 -ip 4648
1⤵
PID:800

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 N\lsass.exe
Size 38.4MB
SHA256 f4e5bafd14e8476d55efa89c7deebcc7ebc75b9f31873947e5b6ceb7680ccd14
MD5 6ef252689fd44a540f6d04f5b79d9375
SHA1 4a154270af2a4d06c07f8686d0a3927d1f7f2670
SHA512 482dc745ea64468e1d9072ffebed986ced19eaf75efaf8941cfda4ac6d45c63ef6259291739beec23ef7b989d1eaf0bbf1d7e1c476e5b3411ab46823d27dbe9e
SSDEEP 12288:j4NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNH:js
TLSH
T16F97B709C0FDF1BD0EC4B92A274D588B94CF6DA4CFB5AB02C754C9D993E04287B8E956
MD5 SHA1 SHA512 SSDEEP TLSH

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