f42151c3c7da64c6712ac6f10d3e38ebb8699a6e2501f619a201bba4b1dbab45

Analysis

max time kernel
149s
max time network
147s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260710-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
17/08/2026, 15:22

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General

Target
2026-08-17_a181642ca58fcc5bf1e3fcb0fa7e01c4_elex_wannacry.exe
Size 4.0MB
Sample260817-srx2satbkc
SHA256 f42151c3c7da64c6712ac6f10d3e38ebb8699a6e2501f619a201bba4b1dbab45
MD5 a181642ca58fcc5bf1e3fcb0fa7e01c4
SHA1 da059c1a5d1ae265d56104bf3f804f04a0f5bdef
SHA512 b059bd3c0da41e79ea58504c652813d646f02d77494d3f5af252ecf0457f60df71c574780cce6880c166a0a7105f3129adbb3aba5420e19b43d2a600faebc0de
SSDEEP 98304:9nZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZm:m
TLSH
T1131609E9805E99D0FAC35C3DA2E1FC9FB18360E51A70925C8B9B4168C67F634DE37522
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
5048	lsass.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\Microsoft Shared Y\lsass.exe	2026-08-17_a181642ca58fcc5bf1e3fcb0fa7e01c4_elex_wannacry.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared Y\lsass.exe	2026-08-17_a181642ca58fcc5bf1e3fcb0fa7e01c4_elex_wannacry.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5528	5048	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	2026-08-17_a181642ca58fcc5bf1e3fcb0fa7e01c4_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsass.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
628	2026-08-17_a181642ca58fcc5bf1e3fcb0fa7e01c4_elex_wannacry.exe
5048	lsass.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 628 wrote to memory of 5048	628	2026-08-17_a181642ca58fcc5bf1e3fcb0fa7e01c4_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-17_a181642ca58fcc5bf1e3fcb0fa7e01c4_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-17_a181642ca58fcc5bf1e3fcb0fa7e01c4_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:628
- C:\Program Files\Common Files\Microsoft Shared Y\lsass.exe
  1
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:5048
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5048 -s 468
    3⤵
    - Program crash
    PID:5528

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 5048 -ip 5048
1⤵
PID:3332

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 Y\lsass.exe
Size 16.3MB
SHA256 0ac67ec6c802ec1bf5e9a49577ffbbcad8bba5b354ce3f900be0ca4902e8b775
MD5 c351384493378185b1c895e4846daeb6
SHA1 ebcbd6a5d7a473f2a2b5cc3d4f6a1c9436e3c957
SHA512 329a428f328cf46a2e88898c04e53cce22a6861c94dd1bf1fca0ecbafcf45c44bceea554f3db5ac6de941cca5b8ffed82362c9f788209e48e8e1db164e4fa3eb
SSDEEP 98304:9nZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZh:h
TLSH
T13E0764DC38AB4805B0D5344436775F8872D36DD3EF2EDE0AE90D78A52CE876B186684B
MD5 SHA1 SHA512 SSDEEP TLSH

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