17375c0d1137c605d3b654373821744228e30d2974182416fd43fe962aa87509

Analysis

max time kernel
149s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-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
3864	lsass.exe

Drops file in Program Files directory 2 IoCs

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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1976	3864	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	lsass.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-08-19_84fe438aba8389b0e4ede5b1fb1b4f69_elex_wannacry.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1284	2026-08-19_84fe438aba8389b0e4ede5b1fb1b4f69_elex_wannacry.exe
3864	lsass.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 1284 wrote to memory of 3864	1284	2026-08-19_84fe438aba8389b0e4ede5b1fb1b4f69_elex_wannacry.exe	85

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:1284
- C:\Program Files\Common Files\Microsoft Shared N\lsass.exe
  1
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:3864
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3864 -s 420
    3⤵
    - Program crash
    PID:1976

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3864 -ip 3864
1⤵
PID:4796

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 N\lsass.exe
Size 29.5MB
SHA256 6a3563e8b3a0aaf2ae7dbe5b27941f2f47f807d0f17100a2cea65fe26fe86557
MD5 2620491fa74c1d9a8474095f6d7a59d0
SHA1 dde7420cc1c849097072deb800b7571e76912a23
SHA512 f4fc9bfa0c0aa55034146e0ebcd9c75bffa3e386f9818e582c132c3d343dbee3a65a83a783c5839871b37b00a40bdcab2f72db3ab7fc386f9b779472e4aca129
SSDEEP 1536:XxD7O6kYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYi:XxDC6d
TLSH
T18E6782FA68FF563ED687935EBD9D6C39CF8151C99C523921BE8A868C34B00720F4914B
MD5 SHA1 SHA512 SSDEEP TLSH

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