fede7f03c8567f8358be672544cf3cafa405f3f50f281da007a93ba5ba0872ed

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
14/07/2026, 01:13

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General

Target
2026-07-13_718775f4744eed03f1982ae5fb4e3e95_elex_wannacry.exe
Size 17.5MB
Sample260714-bldbrad151
SHA256 fede7f03c8567f8358be672544cf3cafa405f3f50f281da007a93ba5ba0872ed
MD5 718775f4744eed03f1982ae5fb4e3e95
SHA1 68e2656a9bfe124b3426f4e68a66c4822d47ded6
SHA512 0f02678bcbf6acb56b7273196d382f736aec7d25e3b5d7fe5ba7f511c3dd5eca19dcd3d83b65425c5c33dab329f08e7b7e27223ec6c99b970dcd79872ede64c0
SSDEEP 12288:j4NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNf:j+
TLSH
T1B00743E6980A6DBB593B13EB9ADB0277C03218F013C58F1E2904757459327BDBF972A4
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2220	lsass.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\Microsoft Shared F\lsass.exe	2026-07-13_718775f4744eed03f1982ae5fb4e3e95_elex_wannacry.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared F\lsass.exe	2026-07-13_718775f4744eed03f1982ae5fb4e3e95_elex_wannacry.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4216	2220	WerFault.exe	87

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	2026-07-13_718775f4744eed03f1982ae5fb4e3e95_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsass.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2500	2026-07-13_718775f4744eed03f1982ae5fb4e3e95_elex_wannacry.exe
2220	lsass.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 2500 wrote to memory of 2220	2500	2026-07-13_718775f4744eed03f1982ae5fb4e3e95_elex_wannacry.exe	87

C:\Users\Admin\AppData\Local\Temp\2026-07-13_718775f4744eed03f1982ae5fb4e3e95_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-13_718775f4744eed03f1982ae5fb4e3e95_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:2500
- C:\Program Files\Common Files\Microsoft Shared F\lsass.exe
  1
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2220
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2220 -s 472
    3⤵
    - Program crash
    PID:4216

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 392 -p 2220 -ip 2220
1⤵
PID:4680

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 F\lsass.exe
Size 29.2MB
SHA256 2826102f5834db75e3bdb02e83da83b516614d564e86a6c6f5e27b3c8f1a566f
MD5 622d46a4a33131d372a1b7969c683227
SHA1 8c888a80a487064de82f2517d45767c5141ec511
SHA512 f57a69e3292758ba7c96865278e18ba0594a79eec074667ce9974b643f507ee4e5750e81948680dee5d87d05cbea055ef3368c729073ee85cae80db2e4517bfa
SSDEEP 12288:j4NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN0:jP
TLSH
T13D67B6AF5A992672153B1BEF1B9A8173D03234F127C9BB7EE4497070067227CFD462A4
MD5 SHA1 SHA512 SSDEEP TLSH

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