8f06c3e3e443583584d4d0fa23f7e19ce648ddfc3e6abd6a0b2387d1d26a23a9

Analysis

max time kernel
149s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
01/08/2026, 03:50

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General

Target
2026-08-01_066cb0a18b17ced395d22e89a8bb5684_elex_wannacry.exe
Size 4.7MB
Sample260801-eecy7adc56
SHA256 8f06c3e3e443583584d4d0fa23f7e19ce648ddfc3e6abd6a0b2387d1d26a23a9
MD5 066cb0a18b17ced395d22e89a8bb5684
SHA1 ca7b3c8c854f5990e93a6ec3f4be17753ceffe98
SHA512 57ff8b2554321cff954a0799aadb7c63fcc5781aaad155476ee288669503b5418b9356520f8d1537f0e81f166b929927b92650cfb286e22c27791ed7b94ce182
SSDEEP 98304:9nZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ0:0
TLSH
T1C436B6A6084B27C0F69F5F2B9E77DCBF026291EC083A137D928361385FDF5C95958A42
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4420	lsass.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\Microsoft Shared L\lsass.exe	2026-08-01_066cb0a18b17ced395d22e89a8bb5684_elex_wannacry.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared L\lsass.exe	2026-08-01_066cb0a18b17ced395d22e89a8bb5684_elex_wannacry.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5752	4420	WerFault.exe	90

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	2026-08-01_066cb0a18b17ced395d22e89a8bb5684_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsass.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
964	2026-08-01_066cb0a18b17ced395d22e89a8bb5684_elex_wannacry.exe
4420	lsass.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 964 wrote to memory of 4420	964	2026-08-01_066cb0a18b17ced395d22e89a8bb5684_elex_wannacry.exe	90

C:\Users\Admin\AppData\Local\Temp\2026-08-01_066cb0a18b17ced395d22e89a8bb5684_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-01_066cb0a18b17ced395d22e89a8bb5684_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:964
- C:\Program Files\Common Files\Microsoft Shared L\lsass.exe
  1
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:4420
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4420 -s 472
    3⤵
    - Program crash
    PID:5752

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 4420 -ip 4420
1⤵
PID:3404

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 L\lsass.exe
Size 19.8MB
SHA256 0de3d8530ad131d3843d05eb570f884dd105fca38e43d8dd21c3b2b99ab439d0
MD5 25440ce61b1bb5d51761e8d4aefee07a
SHA1 5e249a9b8f8e20c658697977dbc0161062315b73
SHA512 58637256d8c23c8c8e52c7d708599dac80be8b264e7aed9daeca52b796566ce1cb24388d7c8150b61ba42470c4978f6f4996f2327819da7300b3b70b17b25ae0
SSDEEP 98304:9nZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZj:j
TLSH
T12C2733E6E66911C7105F0B6FF6B3DFBE4CB082F804887E0B9656B410D86D56A2472DEC
MD5 SHA1 SHA512 SSDEEP TLSH

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