f4bbae2fcbf202f72d71cee371fede6cf459f68e59da3391952586c57868671a

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
21/07/2026, 17:15

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General

Target
2026-07-21_65104e8f0d7637017058b7cbca948810_elex_wannacry.exe
Size 31.7MB
Sample260721-vsja5ada26
SHA256 f4bbae2fcbf202f72d71cee371fede6cf459f68e59da3391952586c57868671a
MD5 65104e8f0d7637017058b7cbca948810
SHA1 a6394c8de7f740aa8f9f71eb969471cd84414b77
SHA512 2d669aea1f1fc1aa39ca89319ad54b3bbd05ebba78732de56803fcdb168551362c18f44420fa41d077c8354fc4aa8c69687c6090ad22653fa16c7e22e72b9899
SSDEEP 12288:j4NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNY:jx
TLSH
T1097708D71E8AEF42B615C9982367C0FCAEAC91F70425DE019D4C74A756788F2BCAD81C
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4860	lsass.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\Microsoft Shared J\lsass.exe	2026-07-21_65104e8f0d7637017058b7cbca948810_elex_wannacry.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared J\lsass.exe	2026-07-21_65104e8f0d7637017058b7cbca948810_elex_wannacry.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2052	4860	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	2026-07-21_65104e8f0d7637017058b7cbca948810_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsass.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
5612	2026-07-21_65104e8f0d7637017058b7cbca948810_elex_wannacry.exe
4860	lsass.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 5612 wrote to memory of 4860	5612	2026-07-21_65104e8f0d7637017058b7cbca948810_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-07-21_65104e8f0d7637017058b7cbca948810_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-21_65104e8f0d7637017058b7cbca948810_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:5612
- C:\Program Files\Common Files\Microsoft Shared J\lsass.exe
  1
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:4860
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4860 -s 472
    3⤵
    - Program crash
    PID:2052

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4860 -ip 4860
1⤵
PID:4572

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 J\lsass.exe
Size 46.5MB
SHA256 13726176783b9cad37f45aa8f2af1e13e1fd2a7d52e08d784e320227ed1acd0e
MD5 07dc2474f3a8af376147c868b7a188a8
SHA1 8fc718a0ab7d17e4d00a98c36b8c2ffdd5c0ff22
SHA512 2ef04a3f5607c8d4ddea3577ff6749f776536180bf2b40fd585fdc01d5d16f5ed05fd7ba479a38cf02cb75751e3d2d015b2ff2f3c545bbfb632d67fbc3b08cd2
SSDEEP 12288:j4NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNd:je
TLSH
T154B7E7D28F8ACB13A15D8D612305C4E4FED459EF052B9E18DC2C64FB65F4C61B4EEA28
MD5 SHA1 SHA512 SSDEEP TLSH

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