015ea42c5bbaf712dacf10678ca5cb215715ad3e081513fd3f75dc4e7b7dfbaf

Analysis

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

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
28/07/2026, 00:01

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General

Target
2026-07-27_f156c238ac569065b83b07b862126326_elex_wannacry.exe
Size 18.4MB
Sample260728-aa7wjsvvbz
SHA256 015ea42c5bbaf712dacf10678ca5cb215715ad3e081513fd3f75dc4e7b7dfbaf
MD5 f156c238ac569065b83b07b862126326
SHA1 1f5186f35cd3f809251bbd7b0ba5c35746841db3
SHA512 2a05390b14c0368d9ae7bd1969d69f60d1f1083cdf9e50b82e26a053f152a26139fb25c3d0f24bae4267a32d87f476e327b926e776f60f3a83f795655af4d92f
SSDEEP 12288:j4NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNO:j7
TLSH
T18117A758B0E9267748DDE1BD8BAE24BDA17192F3648524BD02FDC523939DC6F0E3113A
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4232	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	2026-07-27_f156c238ac569065b83b07b862126326_elex_wannacry.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared M\lsass.exe	2026-07-27_f156c238ac569065b83b07b862126326_elex_wannacry.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3308	4232	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	lsass.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-07-27_f156c238ac569065b83b07b862126326_elex_wannacry.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4176	2026-07-27_f156c238ac569065b83b07b862126326_elex_wannacry.exe
4232	lsass.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4176 wrote to memory of 4232	4176	2026-07-27_f156c238ac569065b83b07b862126326_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-07-27_f156c238ac569065b83b07b862126326_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-27_f156c238ac569065b83b07b862126326_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:4176
- 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:4232
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4232 -s 472
    3⤵
    - Program crash
    PID:3308

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4232 -ip 4232
1⤵
PID:4608

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 31.6MB
SHA256 23e3a9577259966474ed64c5c25a64dba74a4e54c3f1c879dbf0e09ee031ed94
MD5 b08bb440b888f88c546b440db36df5fe
SHA1 ea0caf3925901e04fbbd4a6e060b7fadecee9b44
SHA512 25652d840e1bb566501bfbc4ec20694e64959ae7b907b6de4fa489c4373744d849b9a0f931b30f9f01b5545a859f7372b7c433bdec32fa18be988cafcc018839
SSDEEP 12288:j4NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNl:jK
TLSH
T10877E80960B620B1449CC6FF9AF24ABD2BB971F330C429A1517DF9B1A24C87E5B71379
MD5 SHA1 SHA512 SSDEEP TLSH

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