8dc506874f78e3a042a301e0e52cf9f5b7e3b30f936785656c7ffb19e8165a82

Analysis

max time kernel
149s
max time network
134s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
31/07/2026, 02:56

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General

Target
2026-07-31_73cf24d2f1d8655f603d5c535fbd2bad_elex_wannacry.exe
Size 31.4MB
Sample260731-de62labf57
SHA256 8dc506874f78e3a042a301e0e52cf9f5b7e3b30f936785656c7ffb19e8165a82
MD5 73cf24d2f1d8655f603d5c535fbd2bad
SHA1 43e2dc83ed619f81ca4dabf63b674f74c1995bba
SHA512 2e6395a2701b0d023708482a076ee62a19482f3e8ad1b7f231e83da7baf20ae73dda7776b348f65d94b8fee013aba1fbe1e479c0f4039852f15da22b99d7baab
SSDEEP 98304:9nZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZH:H
TLSH
T1E177D818E27CE151096FC534AEE6FC64A7ED971787811FF65A05A0EE9C0BC578F882E0
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3924	lsass.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\Microsoft Shared H\lsass.exe	2026-07-31_73cf24d2f1d8655f603d5c535fbd2bad_elex_wannacry.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared H\lsass.exe	2026-07-31_73cf24d2f1d8655f603d5c535fbd2bad_elex_wannacry.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1828	3924	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	2026-07-31_73cf24d2f1d8655f603d5c535fbd2bad_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsass.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
5552	2026-07-31_73cf24d2f1d8655f603d5c535fbd2bad_elex_wannacry.exe
3924	lsass.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 5552 wrote to memory of 3924	5552	2026-07-31_73cf24d2f1d8655f603d5c535fbd2bad_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-07-31_73cf24d2f1d8655f603d5c535fbd2bad_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-31_73cf24d2f1d8655f603d5c535fbd2bad_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:5552
- C:\Program Files\Common Files\Microsoft Shared H\lsass.exe
  1
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:3924
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3924 -s 468
    3⤵
    - Program crash
    PID:1828

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 3924 -ip 3924
1⤵
PID:5140

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 H\lsass.exe
Size 43.5MB
SHA256 9b9d75efc9b797e74f9b80021e468e581c7d86c358eaa3730b33541ee277c5b8
MD5 0ba753158e611aa9eee57d8248fd1769
SHA1 d14452cf1e554b3d212fc1564a0c7ecac2ff14a9
SHA512 2b031d364d1d7e27a3a7fdbf4d70ce7a2b534e817b316c65f110a5af5341e2bdfb11593939fabddaa208a7531da6137b02c8704b3812e86876c7132dec1bb1a6
SSDEEP 98304:9nZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZg:g
TLSH
T150A7E838F26CF1524A7FC126BD56FC6496BAC69397852FFA9C0664E9C807C178F842C1
MD5 SHA1 SHA512 SSDEEP TLSH

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