02e061c755ce76e5156f4dc5e5c09416cdb7301ab88db65f777f9bff7795b6d7

Analysis

max time kernel
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
01/08/2026, 03:47

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General

Target
2026-08-01_0e800a11ec59cd48c01128611577b601_elex_wannacry.exe
Size 76KB
Sample260801-echrnadb94
SHA256 02e061c755ce76e5156f4dc5e5c09416cdb7301ab88db65f777f9bff7795b6d7
MD5 0e800a11ec59cd48c01128611577b601
SHA1 484f338d5e47de00af7cc171296746a83aa1fa12
SHA512 4592ca6c51fee0e499e56f8f6fbda95828188179b826eb4d91b31f6524b72bdb4ca4224174eeacb18dbec042daeeee112a71965c3ce1e29ebfa3ce4984d89a7f
SSDEEP 1536:0bSshapMJgKJUuxm2mfJPtOgqm1s/XZme:Y25KJFwfJPtOgqm2/XZz
TLSH
T14D734B97EA6A0865EB50427054AE4A72B933FC69CF1B7E8353CCDE2D1C371929C2416F
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4676	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"	2026-08-01_0e800a11ec59cd48c01128611577b601_elex_wannacry.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3611646547-550105268-947503007-1000\Software\Microsoft\Windows\CurrentVersion\Run\winlgon.exe = "c:\\users\\admin\\appdata\\local\\temp\\winlgon.exe"	2026-08-01_0e800a11ec59cd48c01128611577b601_elex_wannacry.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2876	4676	WerFault.exe	89
1364	3156	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	2026-08-01_0e800a11ec59cd48c01128611577b601_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winlgon.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3156	2026-08-01_0e800a11ec59cd48c01128611577b601_elex_wannacry.exe
4676	winlgon.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 3156 wrote to memory of 4676	3156	2026-08-01_0e800a11ec59cd48c01128611577b601_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-01_0e800a11ec59cd48c01128611577b601_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-01_0e800a11ec59cd48c01128611577b601_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:3156
- \??\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:4676
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4676 -s 732
    3⤵
    - Program crash
    PID:2876
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3156 -s 604
  2⤵
  - Program crash
  PID:1364

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4676 -ip 4676
1⤵
PID:4476

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 392 -p 3156 -ip 3156
1⤵
PID:4344

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 76KB
SHA256 d6cae4efb5d51132e88c922e6bb7dd996c97c7a3bb19ac78c85844e1e8189db4
MD5 304fb186261f93c9db38473cb91cf57d
SHA1 c3268665f400b0496b034084166015fdde82d265
SHA512 6bbebba01212389f86f174a872a68209d4490e5481ae12d2c1e5a8112034228d8f57ac248e1f44e147f28a8b6efc59c2990f301645362e2f0f775ee4af9e65c2
SSDEEP 1536:0bSshapMJgKJUuxm2mfJPtOgqm1s/XZmy:Y25KJFwfJPtOgqm2/XZ/
TLSH
T102734B97EA6A0865EB50427054AE4A72B933FC69CF1B7E8353CCDE2D1C371929C2416F
MD5 SHA1 SHA512 SSDEEP TLSH

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Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads