f2f3d598e841d05a2377c9afc1669a967eb2a1fb8966c32df85b0728b9812e8f

Analysis

max time kernel
148s
max time network
137s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260618-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260618-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
28/06/2026, 21:36

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General

Target
2026-06-28_76186a5f96c644f178df60c531283604_elex_wannacry.exe
Size 75KB
Sample260628-1f33naex4w
SHA256 f2f3d598e841d05a2377c9afc1669a967eb2a1fb8966c32df85b0728b9812e8f
MD5 76186a5f96c644f178df60c531283604
SHA1 37c60d884dbf6f553d7dcdd84e272cfb3519a0e7
SHA512 f9bbc57c097ba48467f0741de8e9366f7ddbaa697f36bb218709e52a9d75e4e89b4c86044788d150f6fe18c3b325e09948aafe636ce1ac7434c9cea72c828950
SSDEEP 1536:0bSshapMJgKJUuxm2mfJPtOgqm1s/XZmC:Y25KJFwfJPtOgqm2/XZj
TLSH
T110734A97EA6A0865EB50427054AE4A72B933FC68CF1B7E8353CCDE2D5C371929C2416F
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2376	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"	2026-06-28_76186a5f96c644f178df60c531283604_elex_wannacry.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3730367222-316663987-825798519-1000\Software\Microsoft\Windows\CurrentVersion\Run\winlgon.exe = "c:\\users\\admin\\appdata\\local\\temp\\winlgon.exe"	2026-06-28_76186a5f96c644f178df60c531283604_elex_wannacry.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
3404	2376	WerFault.exe	90
5428	5424	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	winlgon.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-06-28_76186a5f96c644f178df60c531283604_elex_wannacry.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
5424	2026-06-28_76186a5f96c644f178df60c531283604_elex_wannacry.exe
2376	winlgon.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 5424 wrote to memory of 2376	5424	2026-06-28_76186a5f96c644f178df60c531283604_elex_wannacry.exe	90

C:\Users\Admin\AppData\Local\Temp\2026-06-28_76186a5f96c644f178df60c531283604_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-06-28_76186a5f96c644f178df60c531283604_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:5424
- \??\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:2376
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2376 -s 728
    3⤵
    - Program crash
    PID:3404
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 5424 -s 656
  2⤵
  - Program crash
  PID:5428

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 2376 -ip 2376
1⤵
PID:6124

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 576 -p 5424 -ip 5424
1⤵
PID:2552

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 3a565148f99fd467e59b179a928c96f1af691bb4c821e67cb438f38d549170e8
MD5 9efc9c4483965a3aaa90fa4cea9353ec
SHA1 cd8b4eff4413ba22cfdf23ca14e6645e24a63e6c
SHA512 96032f3f0658009a174100cddf1da1df8c978b3dcbd9b30bda2354ae7296313b9235dc0ffd9232dd9c460fd643c86dc1bb7208f77f3db88a7f9a6e29111185e3
SSDEEP 1536:0bSshapMJgKJUuxm2mfJPtOgqm1s/XZm2:Y25KJFwfJPtOgqm2/XZH
TLSH
T1E2734A97EA6A0865EB50427054AE4A72B933FC68CF1B7E8353CCDE2D5C371929C2416F
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