a45dd728ab77e5771848de50bd4af1252efe73cf9129716433a05a40936d6100

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
28/08/2026, 02:00

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General

Target
2026-08-27_f19707b7937b03183736a6fa26206240_elex_wannacry.exe
Size 17.0MB
Sample260828-cfbreasema
SHA256 a45dd728ab77e5771848de50bd4af1252efe73cf9129716433a05a40936d6100
MD5 f19707b7937b03183736a6fa26206240
SHA1 0e64b1148b8110b17e6b58d5762db96cd9f0d822
SHA512 47b2313156074e2398a28e9587202a6bdfac66de6ab0d1c49336036bb6b6d36c3ae4bee50cb1a99f05c59ac682581ba38228a91d402ff3e75d04f5fa8427da0c
SSDEEP 12288:FOCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCa:Fg
TLSH
T1090786B81D2B78D72776A2EFBD0329DA671A47247989B9221252FF2C2B0C573F4154F0
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2308	lsass.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\Microsoft Shared S\lsass.exe	2026-08-27_f19707b7937b03183736a6fa26206240_elex_wannacry.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared S\lsass.exe	2026-08-27_f19707b7937b03183736a6fa26206240_elex_wannacry.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2752	2308	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	2026-08-27_f19707b7937b03183736a6fa26206240_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsass.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
5064	2026-08-27_f19707b7937b03183736a6fa26206240_elex_wannacry.exe
2308	lsass.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 5064 wrote to memory of 2308	5064	2026-08-27_f19707b7937b03183736a6fa26206240_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-27_f19707b7937b03183736a6fa26206240_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-27_f19707b7937b03183736a6fa26206240_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:5064
- C:\Program Files\Common Files\Microsoft Shared S\lsass.exe
  1
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2308
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2308 -s 468
    3⤵
    - Program crash
    PID:2752

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 2308 -ip 2308
1⤵
PID:5780

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 S\lsass.exe
Size 29.2MB
SHA256 3ae4df991cda149e837ec4a9f26b87f7ab45b86ae8e9fec31248f080a46792a3
MD5 702a79250a602f23e941df0b0e22886c
SHA1 287a27c6d90b1604229103b0f3e984b154d1cc20
SHA512 96c0e4dcec5d26e0eabb64a294e1e3e72cad15e2834b3ae3a7f351873955072ea84ad93304fc293909bcba4a3937e8261ec6a970606a145effbab32eee924573
SSDEEP 12288:FOCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCp:F/
TLSH
T13467D7FE0E1A74CB15A366B6BC533DDB0A244BA0655DB83565E0FF1D0A0D236A98F4F0
MD5 SHA1 SHA512 SSDEEP TLSH

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