f53d7058d8581d3512fa2eb31a4398cc352fa5b26dab4c9ec8e571d7c01f0b12

Analysis

max time kernel
149s
max time network
137s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
28/05/2026, 01:51

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General

Target
2026-05-28_45dbd968b4d9112488755b426b2b4d6f_elex_wannacry.exe
Size 58.9MB
Sample260528-b99d4ac18j
SHA256 f53d7058d8581d3512fa2eb31a4398cc352fa5b26dab4c9ec8e571d7c01f0b12
MD5 45dbd968b4d9112488755b426b2b4d6f
SHA1 2e4481ecec9c9fb0eb683155e641a915e2ad9dee
SHA512 12e22a94af3d8feb6d9db71add4ee8d7bcb21b2fbae97c343dfc8ebb8b2d2f25f1413a790dbc658904ac5effc3185eb75fec11b30d4e01abb72890644e9fbf37
SSDEEP 768:z+PJznj7IuWhrDTSmWWuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuA:CxD2OmA
TLSH
T1C5D72A62685A035BD792150880C2E3F956330FEF12FF6447956A7239CDBDD2E825E23B
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3972	lsass.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\Microsoft Shared J\lsass.exe	2026-05-28_45dbd968b4d9112488755b426b2b4d6f_elex_wannacry.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared J\lsass.exe	2026-05-28_45dbd968b4d9112488755b426b2b4d6f_elex_wannacry.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2868	3972	WerFault.exe	80

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	2026-05-28_45dbd968b4d9112488755b426b2b4d6f_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsass.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
5000	2026-05-28_45dbd968b4d9112488755b426b2b4d6f_elex_wannacry.exe
3972	lsass.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 5000 wrote to memory of 3972	5000	2026-05-28_45dbd968b4d9112488755b426b2b4d6f_elex_wannacry.exe	80

C:\Users\Admin\AppData\Local\Temp\2026-05-28_45dbd968b4d9112488755b426b2b4d6f_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-05-28_45dbd968b4d9112488755b426b2b4d6f_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:5000
- C:\Program Files\Common Files\Microsoft Shared J\lsass.exe
  1
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:3972
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3972 -s 244
    3⤵
    - Program crash
    PID:2868

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3972 -ip 3972
1⤵
PID:4136

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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