741ffe30992e4df331715f6dec4a67b32b5680826a70744bb181389be598e930

Analysis

max time kernel
148s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
08/08/2026, 01:25

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General

Target
2026-08-07_4ca4cf952201291292c3a502ddaa1467_elex_wannacry.exe
Size 13.0MB
Sample260808-bs1qmaxdmb
SHA256 741ffe30992e4df331715f6dec4a67b32b5680826a70744bb181389be598e930
MD5 4ca4cf952201291292c3a502ddaa1467
SHA1 aa93625a564de05c0dc47466bea4faf66245ae6e
SHA512 3d5d065086fe4e5d821abedf01efbfd8beb468afe16a38eadaa7b465aa119ab1768d559a75298bcccb7c4e3ba16640d63f4d66bc16b2aa927fc1f51035b6fb05
SSDEEP 1536:XxD7O6kYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYV:XxDC6vA
TLSH
T179D6236E7ACC0505D115C1F8A2B0E92ABA74278C9DA0FD0CFD8B464A5A7AC0754F9FDC
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3992	lsass.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\Microsoft Shared Y\lsass.exe	2026-08-07_4ca4cf952201291292c3a502ddaa1467_elex_wannacry.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared Y\lsass.exe	2026-08-07_4ca4cf952201291292c3a502ddaa1467_elex_wannacry.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3308	3992	WerFault.exe	85

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	2026-08-07_4ca4cf952201291292c3a502ddaa1467_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsass.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3724	2026-08-07_4ca4cf952201291292c3a502ddaa1467_elex_wannacry.exe
3992	lsass.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 3724 wrote to memory of 3992	3724	2026-08-07_4ca4cf952201291292c3a502ddaa1467_elex_wannacry.exe	85

C:\Users\Admin\AppData\Local\Temp\2026-08-07_4ca4cf952201291292c3a502ddaa1467_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-07_4ca4cf952201291292c3a502ddaa1467_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:3724
- C:\Program Files\Common Files\Microsoft Shared Y\lsass.exe
  1
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:3992
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3992 -s 420
    3⤵
    - Program crash
    PID:3308

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3992 -ip 3992
1⤵
PID:3948

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 Y\lsass.exe
Size 26.8MB
SHA256 2f8c28c6b1df8bcf768620e9cc9d22d38df2e309ae95bb6418506367970749f3
MD5 88991c95fae51e10773de790fe224c77
SHA1 9282d64c39c174525a622bc1607e31b17460bd68
SHA512 676bcfba9b5d0c24da1537d801731c0480e838fc6c8e977b884a34503ec69c2de66515601e280cd708e394fd16e40adb5dc170362dd9b8173f8e48b02fa1710c
SSDEEP 6144:XxW6YVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV4:9X
TLSH
T1B157977677CC6511980267F8E6F1FB72A868278CC400DB78DCB706958D39906BAE8F5C
MD5 SHA1 SHA512 SSDEEP TLSH

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