5305f74b50cd44f28d216f3487cd425c75bc1b832ea861ae94dc0c6cfad91269

Analysis

max time kernel
150s
max time network
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
03/09/2026, 15:30

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General

Target
2026-09-01_1b9615bd908aff75481a957dca3de1c6_elex_wannacry.exe
Size 17.1MB
Sample260903-sxe36abl2t
SHA256 5305f74b50cd44f28d216f3487cd425c75bc1b832ea861ae94dc0c6cfad91269
MD5 1b9615bd908aff75481a957dca3de1c6
SHA1 fba24d21e71be866868a09aadbdaccc5741d2dc8
SHA512 e56dfb5c3dda9cfdaeb06f0a12efb6d60c49cb3f05837f80a1d9e28af9e4d21bcb88cbc49633d9bb58fb48209097222251b702e65afc608c008f514235fc46ad
SSDEEP 49152:9KGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGU:96
TLSH
T1590797E3AA1036ED1F5224BBAC6FDACD6423B027B131D3DC471664F8BCD67882956718
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1136	lsass.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\Microsoft Shared U\lsass.exe	2026-09-01_1b9615bd908aff75481a957dca3de1c6_elex_wannacry.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared U\lsass.exe	2026-09-01_1b9615bd908aff75481a957dca3de1c6_elex_wannacry.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3724	1136	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	2026-09-01_1b9615bd908aff75481a957dca3de1c6_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsass.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
5036	2026-09-01_1b9615bd908aff75481a957dca3de1c6_elex_wannacry.exe
1136	lsass.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 5036 wrote to memory of 1136	5036	2026-09-01_1b9615bd908aff75481a957dca3de1c6_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-09-01_1b9615bd908aff75481a957dca3de1c6_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-09-01_1b9615bd908aff75481a957dca3de1c6_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:5036
- C:\Program Files\Common Files\Microsoft Shared U\lsass.exe
  1
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:1136
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1136 -s 468
    3⤵
    - Program crash
    PID:3724

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 1136 -ip 1136
1⤵
PID:1208

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 U\lsass.exe
Size 29.2MB
SHA256 c745ccb42834595b2de56da81f77b8afb4a04e4de327ee2762bbd438b4a660e5
MD5 dbd6e6ab689562ed14715b6e4df58340
SHA1 7cd1bd2f72421df3cd71dcf250cbfa59dc876cb7
SHA512 cbe51c3c55e66ca1a0a8a24271bbea9eddd5bb318dbcc02864f0bf83ce8c61f62fc4150da77820bfe09e00163997fe41857de4dc59e8f82c54ce7ea2f4e467fe
SSDEEP 49152:9KGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGK:94
TLSH
T18F67D9E7332478E90A4730E36CDC5E58706BD2377336C299962970F9A57A3DC2ADD980
MD5 SHA1 SHA512 SSDEEP TLSH

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