05b3d508f818017ec6bb07a031448d7d4b68dae17f28dbb5a1235b1e6a64e0b2

Analysis

max time kernel
148s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260710-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
07/09/2026, 07:42

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General

Target
2026-09-06_1444e8df13e0360ce1a7e03b03dd7e7f_elex_wannacry.exe
Size 75KB
Sample260907-jj652seq8s
SHA256 05b3d508f818017ec6bb07a031448d7d4b68dae17f28dbb5a1235b1e6a64e0b2
MD5 1444e8df13e0360ce1a7e03b03dd7e7f
SHA1 501b832bcc265761cde15c40eb8d07b7142d80f6
SHA512 75433dada7502dd110b69c42a0859b426243a78e3ff31ff738cf6f3466e42908716f71bbf5a9ce0c9a4557b5d0e684a34dc3c8c4c428022d0442abd04d52421d
SSDEEP 1536:0bSshapMJgKJUuxm2mfJPtOgqm1s/XZmW:Y25KJFwfJPtOgqm2/XZf
TLSH
T107735B97DA6A0865EB50427054AE4A72B933FC69CF2B7E8353CCDE2D1C371929C2416F
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2308	winlgon.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\winlgon.exe = "c:\\users\\admin\\appdata\\local\\temp\\winlgon.exe"	2026-09-06_1444e8df13e0360ce1a7e03b03dd7e7f_elex_wannacry.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2301830172-776172150-2531349243-1000\Software\Microsoft\Windows\CurrentVersion\Run\winlgon.exe = "c:\\users\\admin\\appdata\\local\\temp\\winlgon.exe"	2026-09-06_1444e8df13e0360ce1a7e03b03dd7e7f_elex_wannacry.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
1792	2308	WerFault.exe	89
4536	2332	WerFault.exe	87

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	2026-09-06_1444e8df13e0360ce1a7e03b03dd7e7f_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winlgon.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2332	2026-09-06_1444e8df13e0360ce1a7e03b03dd7e7f_elex_wannacry.exe
2308	winlgon.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 2332 wrote to memory of 2308	2332	2026-09-06_1444e8df13e0360ce1a7e03b03dd7e7f_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-09-06_1444e8df13e0360ce1a7e03b03dd7e7f_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-09-06_1444e8df13e0360ce1a7e03b03dd7e7f_elex_wannacry.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2332
- \??\c:\users\admin\appdata\local\temp\winlgon.exe
  c:\users\admin\appdata\local\temp\winlgon.exe
  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 728
    3⤵
    - Program crash
    PID:1792
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2332 -s 652
  2⤵
  - Program crash
  PID:4536

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 244 -p 2308 -ip 2308
1⤵
PID:3444

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 632 -p 2332 -ip 2332
1⤵
PID:5092

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

winlgon.exe

Path C:\Users\Admin\AppData\Local\Temp\winlgon.exe
Size 75KB
SHA256 d0dd9812bd9503888027a163092b6528da0081d88a5d1b1368683c904da14880
MD5 f785a681b7011ff276cb4a00d581d3b4
SHA1 0b74c4c545d278fc129fc6f0e6047fb4e01eead5
SHA512 65cabae9f42d672424c5a2a9bc51fa889460485b7ce16f28302966110d848af4f43084e51e4243d724574d4f090cd22d8d6109d1f61eb672101a8a573dc119f7
SSDEEP 1536:0bSshapMJgKJUuxm2mfJPtOgqm1s/XZmF:Y25KJFwfJPtOgqm2/XZw
TLSH
T108735B97DA6A0865EB50427054AE4A72B933FC69CF2B7E8353CCDE2D1C371929C2416F
MD5 SHA1 SHA512 SSDEEP TLSH

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads