c4e5890bdd4c2fd2d69c372d5abf0320b3d7a4449da306c41c0222690854f615

Analysis

max time kernel
150s
max time network
126s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
09/08/2026, 14:11

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General

Target
2026-08-09_78a6c44fe67042de094e96274f495a4e_elex_wannacry.exe
Size 14.4MB
Sample260809-rhryqszajd
SHA256 c4e5890bdd4c2fd2d69c372d5abf0320b3d7a4449da306c41c0222690854f615
MD5 78a6c44fe67042de094e96274f495a4e
SHA1 00de4bee21dcf8a9b8cc6219ac63665e217ca1f6
SHA512 9e2347ebe2a09de60f14b78aac08676a385a096d7a6a38e59de9668a76a31a43f328791f67b2f71449fb046d0d16bbbe5b2e15733b248b627e56509ec15157bf
SSDEEP 12288:j4NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNs:jL
TLSH
T161E654267E77DB3F32867ADC2760C9851B1518808F30D9B4995C2D07AE2C0EDA2F6D67
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3772	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	2026-08-09_78a6c44fe67042de094e96274f495a4e_elex_wannacry.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared L\lsass.exe	2026-08-09_78a6c44fe67042de094e96274f495a4e_elex_wannacry.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2404	3772	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	2026-08-09_78a6c44fe67042de094e96274f495a4e_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsass.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
5920	2026-08-09_78a6c44fe67042de094e96274f495a4e_elex_wannacry.exe
3772	lsass.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 5920 wrote to memory of 3772	5920	2026-08-09_78a6c44fe67042de094e96274f495a4e_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-09_78a6c44fe67042de094e96274f495a4e_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-09_78a6c44fe67042de094e96274f495a4e_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:5920
- 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:3772
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3772 -s 472
    3⤵
    - Program crash
    PID:2404

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3772 -ip 3772
1⤵
PID:2576

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 25.9MB
SHA256 85893580e81ec8c467d50f6b7fe8041859b7fa8d803f1be6f292933bf118aa08
MD5 8be663be52519cc99a0c74b02ca8ee1b
SHA1 5193d6c628662346e8e85e77d7abb2afb3a92500
SHA512 ba34e8bd1ba96514c589ff579e7ab18b8108ef23bef26c08c3cd6cd9fcbb32d5ec794734289bbdda711dbd910354031a9a59bd505bbf005d983ca303bd594fee
SSDEEP 12288:j4NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN7:jO
TLSH
T19457B5136D33E73E6919FD6D1BA48601953538045F94C7319CFC2A96DA3A2FDA2A3C83
MD5 SHA1 SHA512 SSDEEP TLSH

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