4c90d50fa7b8b6563ba92e28a2fe68ab8c6ecdbb7c6e28eb6f6496592daeb086

Analysis

max time kernel
150s
max time network
115s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
15/07/2026, 04:09

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General

Target
2026-07-15_e5c4a725d787ed1a9daad7ed4f1ca68a_elex_wannacry.exe
Size 17.5MB
Sample260715-eq23fsbs9l
SHA256 4c90d50fa7b8b6563ba92e28a2fe68ab8c6ecdbb7c6e28eb6f6496592daeb086
MD5 e5c4a725d787ed1a9daad7ed4f1ca68a
SHA1 7aebb4823b8e15abcb63eabaf8ed8acb2c3666bf
SHA512 b4207470a5003084cd585701d2b5063421b62fcc0bfcaab312215db70772ed34b26fc9fc5c4c2e7dbe494e740329a39929c70867224bcd0d32f1410e876fbf14
SSDEEP 1536:XxD7Ohvppppppppppppppppppppppppppppppppppppppppppppppppppppppppl:XxDCht
TLSH
T118077215418A2FABC177211867F85C680B9523E7453BC4BCF0DE9A70F889AA19D9D0FF
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
992	lsass.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\Microsoft Shared H\lsass.exe	2026-07-15_e5c4a725d787ed1a9daad7ed4f1ca68a_elex_wannacry.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared H\lsass.exe	2026-07-15_e5c4a725d787ed1a9daad7ed4f1ca68a_elex_wannacry.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3376	992	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	lsass.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-07-15_e5c4a725d787ed1a9daad7ed4f1ca68a_elex_wannacry.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
6080	2026-07-15_e5c4a725d787ed1a9daad7ed4f1ca68a_elex_wannacry.exe
992	lsass.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 6080 wrote to memory of 992	6080	2026-07-15_e5c4a725d787ed1a9daad7ed4f1ca68a_elex_wannacry.exe	87

C:\Users\Admin\AppData\Local\Temp\2026-07-15_e5c4a725d787ed1a9daad7ed4f1ca68a_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-15_e5c4a725d787ed1a9daad7ed4f1ca68a_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:6080
- C:\Program Files\Common Files\Microsoft Shared H\lsass.exe
  1
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:992
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 992 -s 468
    3⤵
    - Program crash
    PID:3376

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 992 -ip 992
1⤵
PID:3732

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 H\lsass.exe
Size 30.7MB
SHA256 9c37df30ec7aeddfa91ca91a3c494e2695401da360d9fce28e563e5646bba6b2
MD5 542c5bf5328cb37538aa58cfbbdb818c
SHA1 a6083f4b89d1bc1b0473b3f931e57d182d6f8def
SHA512 1c3c8b21bdc5be8fd27d6359463eae12f2bacdcb1c93c44f947713c1ce9f0459752584f457767a58a5217cb85e722c2f6cb581ed9cd421156d5a79e13c7211cd
SSDEEP 1536:XxD7Ohvpppppppppppppppppppppppppppppppppppppppppppppppppppppppp0:XxDCh8
TLSH
T19A6796A504960E6AC916620836BCCC78079372B7682588EDD5DFC5787498EF2C85BCFF
MD5 SHA1 SHA512 SSDEEP TLSH

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