a3823226a35849c967785c6562ea0e8b40d11a08736b2eb91ef3dc59c6490992

Analysis

max time kernel
150s
max time network
128s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
04/08/2026, 13:09

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General

Target
2026-08-03_09171abf5295e66efda959f79d5e1a18_elex_wannacry.exe
Size 17.0MB
Sample260804-qeba5sfl7t
SHA256 a3823226a35849c967785c6562ea0e8b40d11a08736b2eb91ef3dc59c6490992
MD5 09171abf5295e66efda959f79d5e1a18
SHA1 83c6a442b0e10e23f282bd0fec46fa28f3d194b9
SHA512 660d117648da0694b68d135aabb6472b4bee1a1f23eb2c32c60080b10cd3af8f08a1fdf67320106331929cfd676461c20a329f528785de1a4e8c5c2a2654364f
SSDEEP 12288:j4NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNt:ji
TLSH
T1B90773379C523E4EDDD56AA50E8409D0E91BB26BADA812DB8243CD72CD5CCF084C56FE
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4580	lsass.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\Microsoft Shared Q\lsass.exe	2026-08-03_09171abf5295e66efda959f79d5e1a18_elex_wannacry.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared Q\lsass.exe	2026-08-03_09171abf5295e66efda959f79d5e1a18_elex_wannacry.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5488	4580	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	2026-08-03_09171abf5295e66efda959f79d5e1a18_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsass.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4684	2026-08-03_09171abf5295e66efda959f79d5e1a18_elex_wannacry.exe
4580	lsass.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4684 wrote to memory of 4580	4684	2026-08-03_09171abf5295e66efda959f79d5e1a18_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-03_09171abf5295e66efda959f79d5e1a18_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-03_09171abf5295e66efda959f79d5e1a18_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:4684
- C:\Program Files\Common Files\Microsoft Shared Q\lsass.exe
  1
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:4580
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4580 -s 472
    3⤵
    - Program crash
    PID:5488

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4580 -ip 4580
1⤵
PID:2220

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 Q\lsass.exe
Size 28.5MB
SHA256 1d368f73ebaf66c201964b7ef70209ba9590d62bba1fc5fc6532d43c070ce0ae
MD5 c2164f8efec3c38c9f7d376a018c485b
SHA1 fedd43318d0027bf141da223b2c3a95bf49f5048
SHA512 0a979ed31e776f7e4e316cbe1ae45c99aade22589648934b3b450b55c730bf9430afb34713426333b027138c69fb969ee689d66b33e09feb23daf276f4b43bdf
SSDEEP 12288:j4NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNP:jk
TLSH
T1756786338DB67B4DDED78BF5158804C4DA2BA39A6D5C11AB4B538D798A8CCF084C90ED
MD5 SHA1 SHA512 SSDEEP TLSH

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