4f8f07744e8d6d37cc3ce37cded63d1d2ea937126e79e5206b2a8b428aa3bfee

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
19/08/2026, 12:48

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General

Target
2026-08-19_b635b74d5ccc6ea4430cca0596538233_elex_wannacry.exe
Size 31.3MB
Sample260819-p18cbsfb62
SHA256 4f8f07744e8d6d37cc3ce37cded63d1d2ea937126e79e5206b2a8b428aa3bfee
MD5 b635b74d5ccc6ea4430cca0596538233
SHA1 72670aaea5de9de5457f2f7233865c57d29881df
SHA512 44d165dc23e99092ed36e4734f962713f34560823c12bf1f7386dcf51169feabbfd06e60a0c99a1751d1cd34b2cd52ee36787f2ea6f1ceddcd078b94ee0c1c47
SSDEEP 12288:j4NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN7:jE
TLSH
T15B77774CD8C8737CFD648F2F9A6C3D7AEE51B18669C5890D0F9038F10A386B255BB199
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3104	lsass.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Common Files\Microsoft Shared W\lsass.exe	2026-08-19_b635b74d5ccc6ea4430cca0596538233_elex_wannacry.exe
File created	C:\Program Files\Common Files\Microsoft Shared W\lsass.exe	2026-08-19_b635b74d5ccc6ea4430cca0596538233_elex_wannacry.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5900	3104	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	2026-08-19_b635b74d5ccc6ea4430cca0596538233_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsass.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3328	2026-08-19_b635b74d5ccc6ea4430cca0596538233_elex_wannacry.exe
3104	lsass.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 3328 wrote to memory of 3104	3328	2026-08-19_b635b74d5ccc6ea4430cca0596538233_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-19_b635b74d5ccc6ea4430cca0596538233_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-19_b635b74d5ccc6ea4430cca0596538233_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:3328
- C:\Program Files\Common Files\Microsoft Shared W\lsass.exe
  1
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:3104
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3104 -s 472
    3⤵
    - Program crash
    PID:5900

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3104 -ip 3104
1⤵
PID:2700

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 W\lsass.exe
Size 44.1MB
SHA256 6c2c3b972dc71357d115bfe91870e2cb8a50b92917c2c467d7207e35122e417e
MD5 771a4be40241aa12ea7c9c35b7ea1597
SHA1 6e7f74602286544db7c9d9a3b197ff841829f772
SHA512 e70d789513b850a8f31cb26efaaff9bcce241609b0b0b2a63cf5d3d525a0b01d8b13c2af50bfa46184549d3ce2a29f47aa7c9890f3df243c1cb06ef8bf75c8c6
SSDEEP 12288:j4NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNW:jD
TLSH
T185A7F818ACCC677CF9648B2FD47C3C7AAEA53591ADC9C81C4BA438F1163C1A291F7169
MD5 SHA1 SHA512 SSDEEP TLSH

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