17375c0d1137c605d3b654373821744228e30d2974182416fd43fe962aa87509

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, 18:42

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General

Target
2026-08-19_84fe438aba8389b0e4ede5b1fb1b4f69_elex_wannacry.exe
Size 14.4MB
Sample260819-xcfamstvbv
SHA256 17375c0d1137c605d3b654373821744228e30d2974182416fd43fe962aa87509
MD5 84fe438aba8389b0e4ede5b1fb1b4f69
SHA1 4b7bdb4cee7f8f5dcc8408a59879a3e2d15697ed
SHA512 ecc40ea21162432cdafc96a51b34f3d581e7244b5af3bd869fa9b382029a75bd12003806e7ffeb4bc67aed4b65d976e94300c55d05b26b09137eaa89a1b2d2ef
SSDEEP 1536:XxD7O6kYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYt:XxDC64
TLSH
T17CE623B1797FA83AEA83D32579829C24E9605AEC1D135E317A1F5FCEB4B41A10F142C7
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2316	lsass.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\Microsoft Shared X\lsass.exe	2026-08-19_84fe438aba8389b0e4ede5b1fb1b4f69_elex_wannacry.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared X\lsass.exe	2026-08-19_84fe438aba8389b0e4ede5b1fb1b4f69_elex_wannacry.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5140	2316	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_84fe438aba8389b0e4ede5b1fb1b4f69_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsass.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3180	2026-08-19_84fe438aba8389b0e4ede5b1fb1b4f69_elex_wannacry.exe
2316	lsass.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 3180 wrote to memory of 2316	3180	2026-08-19_84fe438aba8389b0e4ede5b1fb1b4f69_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-19_84fe438aba8389b0e4ede5b1fb1b4f69_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-19_84fe438aba8389b0e4ede5b1fb1b4f69_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:3180
- C:\Program Files\Common Files\Microsoft Shared X\lsass.exe
  1
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2316
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2316 -s 468
    3⤵
    - Program crash
    PID:5140

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 2316 -ip 2316
1⤵
PID:5736

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 X\lsass.exe
Size 27.6MB
SHA256 3aa1cb237dfd1ccc1b05418e7618e54e656c49a857ca60a1d0198a6d62a14edc
MD5 784d3cc2255eec262cb94812e5bc3f33
SHA1 f0f8f61650462d4606c9ea5526de35a55bc38d94
SHA512 a6d370710a3d617f38fa8239de9dccc7f1e4ae85149429ec2ff46000a555741001612408e55076e68356c4e38ae352876db610eb7c3fc6d00fa7258cd49a916f
SSDEEP 1536:XxD7O6kYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYo:XxDC6v
TLSH
T11E57B9B5993B553DD183E37B3A92CC28EE1044EC4EC5AA917E8B1E9DF8B05720E245D3
MD5 SHA1 SHA512 SSDEEP TLSH

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