890b73cc251e40be9858347b187f65f230cdf651fe1571abe05cfa36218e29d7

Analysis

max time kernel
150s
max time network
121s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
02/08/2026, 01:14

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General

Target
2026-08-01_1a2f7008d5bd33d87bf71980d97bc323_elex_wannacry.exe
Size 27.6MB
Sample260802-blw4vsbc65
SHA256 890b73cc251e40be9858347b187f65f230cdf651fe1571abe05cfa36218e29d7
MD5 1a2f7008d5bd33d87bf71980d97bc323
SHA1 81e703c8d9928619e5cadcd31d362f2d6ed1afb5
SHA512 e17a86780592ddf4acd94f4e0ee02ad28c84a0e657125b279e9bf6629be5b676849b835f758d547dde16f6a98fab5eac0c56b475cff498a6862c47e54e4d58ab
SSDEEP 98304:9nZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZa:a
TLSH
T1D757B69E502927F3AAA2AE334587DE11637E4DE73361C16C819FC5CC972FAA793448C1
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4356	lsass.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\Microsoft Shared S\lsass.exe	2026-08-01_1a2f7008d5bd33d87bf71980d97bc323_elex_wannacry.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared S\lsass.exe	2026-08-01_1a2f7008d5bd33d87bf71980d97bc323_elex_wannacry.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5604	4356	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	2026-08-01_1a2f7008d5bd33d87bf71980d97bc323_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsass.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4608	2026-08-01_1a2f7008d5bd33d87bf71980d97bc323_elex_wannacry.exe
4356	lsass.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4608 wrote to memory of 4356	4608	2026-08-01_1a2f7008d5bd33d87bf71980d97bc323_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-01_1a2f7008d5bd33d87bf71980d97bc323_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-01_1a2f7008d5bd33d87bf71980d97bc323_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:4608
- C:\Program Files\Common Files\Microsoft Shared S\lsass.exe
  1
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:4356
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4356 -s 476
    3⤵
    - Program crash
    PID:5604

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 4356 -ip 4356
1⤵
PID:5984

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 S\lsass.exe
Size 39.8MB
SHA256 e9811c52f385b2a39d4a526732261985bd20484471e0a8517110a10225f74422
MD5 8000bae40cb0e17cba6c3d1f5639fb27
SHA1 ac44105138deabd036ea43030b3f3b2ccf9eac28
SHA512 1546d3ed0dc85912055badef00c228221b865942b608ce682a899fefda59cc84a10fbc51c2d561d29baed1600f30753e45ca04eaf2b016f71a0ff894d6d4b733
SSDEEP 98304:9nZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ:Z
TLSH
T151970AED48223FE3EAE65D538942D50653AD4DD21752C068826EF6CDE32F8F3E3448A5
MD5 SHA1 SHA512 SSDEEP TLSH

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