1a2729859f47da23bcfef5cf7e5582182d68d9e18f0c8f28d6c1dc2de0c40290

Analysis

max time kernel
150s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260629-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
04/07/2026, 22:41

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General

Target
2026-07-04_f0ef3d54c50155b9eb3283da2a59b680_elex_wannacry.exe
Size 19.8MB
Sample260704-2l7hpsex41
SHA256 1a2729859f47da23bcfef5cf7e5582182d68d9e18f0c8f28d6c1dc2de0c40290
MD5 f0ef3d54c50155b9eb3283da2a59b680
SHA1 3151571c30a53590787e34d0dd86ff505d8140a0
SHA512 8d585308ee8f48098ac9c5781f5110eac65a30aa2c0e4bfa71c427ab711ee34f07221a311450f39fbeca84a848b485a1018150e0d963a1a9fd69f5be20e1de5c
SSDEEP 12288:j4NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN+:jV
TLSH
T13A27872F784FCB46D47990D125C4963E537E2B239E4AA42ED3570BA1E0B43E4AB1CB17
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
5772	lsass.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\Microsoft Shared M\lsass.exe	2026-07-04_f0ef3d54c50155b9eb3283da2a59b680_elex_wannacry.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared M\lsass.exe	2026-07-04_f0ef3d54c50155b9eb3283da2a59b680_elex_wannacry.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3940	5772	WerFault.exe	90

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	2026-07-04_f0ef3d54c50155b9eb3283da2a59b680_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsass.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
5808	2026-07-04_f0ef3d54c50155b9eb3283da2a59b680_elex_wannacry.exe
5772	lsass.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 5808 wrote to memory of 5772	5808	2026-07-04_f0ef3d54c50155b9eb3283da2a59b680_elex_wannacry.exe	90

C:\Users\Admin\AppData\Local\Temp\2026-07-04_f0ef3d54c50155b9eb3283da2a59b680_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-04_f0ef3d54c50155b9eb3283da2a59b680_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:5808
- C:\Program Files\Common Files\Microsoft Shared M\lsass.exe
  1
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:5772
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5772 -s 472
    3⤵
    - Program crash
    PID:3940

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 5772 -ip 5772
1⤵
PID:6860

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 M\lsass.exe
Size 32.9MB
SHA256 57c806df6f7b7e1313f4aa08f64a2acb4cb58c736f1c19edc8dddaf508653acc
MD5 72452662854d5620dea882b7616aadd8
SHA1 9419e26a90b5508b2b475f69193ed730eccdab9c
SHA512 12ce5138b8645b2cf56de5460b52691f9d5105d292bbc922d594a087e147521778f8a64ed83eb24d5b2871ac1e7c797c6d55adccaf19e06673218d09c5b812d5
SSDEEP 12288:j4NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNV:jw
TLSH
T1FE77DA2E5D0FD20AD4FCF1D23CCA937A2A9B5B33D9059C19A5D21786E8D0BF19619B30
MD5 SHA1 SHA512 SSDEEP TLSH

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