8e722b0ab9e40433efb9847d3d8f7b05da40c9e3c9ae7215f724148c060332a3

Analysis

max time kernel
149s
max time network
119s
platform
windows11-21h2_x64
resource
win11-20260130-en
resource tags

arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
23/04/2026, 11:20

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General

Target
2026-04-23_c25db59b1aa1a76746ed1301a2aafb80_elex_wannacry.exe
Size 74KB
Sample260423-nfec3sbs3x
SHA256 8e722b0ab9e40433efb9847d3d8f7b05da40c9e3c9ae7215f724148c060332a3
MD5 c25db59b1aa1a76746ed1301a2aafb80
SHA1 697f3377a9ab286036e31608da1902ea03815a48
SHA512 72aaafce6dbf460473557f31d61f702936ee7cc32720110f7470fbd323167dca8d77d93b93607f944a63ef3b38fb544c577216bf322399bb1a4146b97d49a181
SSDEEP 1536:0bSshapMJgKJUuxm2mfJPtOgqm1s/XZmi:Y25KJFwfJPtOgqm2/XZz
TLSH
T158734B97DA6A0865EB50427014AE4A72B933FC68CF2B7E8353CCCE2D5C371969C2416F
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3452	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\USER\S-1-5-21-2122505878-652277452-2375749442-1000\Software\Microsoft\Windows\CurrentVersion\Run\winlgon.exe = "c:\\users\\admin\\appdata\\local\\temp\\winlgon.exe"	2026-04-23_c25db59b1aa1a76746ed1301a2aafb80_elex_wannacry.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\winlgon.exe = "c:\\users\\admin\\appdata\\local\\temp\\winlgon.exe"	2026-04-23_c25db59b1aa1a76746ed1301a2aafb80_elex_wannacry.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2260	3452	WerFault.exe	80
2996	1804	WerFault.exe	79

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	2026-04-23_c25db59b1aa1a76746ed1301a2aafb80_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winlgon.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1804	2026-04-23_c25db59b1aa1a76746ed1301a2aafb80_elex_wannacry.exe
3452	winlgon.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 1804 wrote to memory of 3452	1804	2026-04-23_c25db59b1aa1a76746ed1301a2aafb80_elex_wannacry.exe	80

C:\Users\Admin\AppData\Local\Temp\2026-04-23_c25db59b1aa1a76746ed1301a2aafb80_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-04-23_c25db59b1aa1a76746ed1301a2aafb80_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:1804
- \??\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:3452
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3452 -s 724
    3⤵
    - Program crash
    PID:2260
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1804 -s 600
  2⤵
  - Program crash
  PID:2996

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3452 -ip 3452
1⤵
PID:3572

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1804 -ip 1804
1⤵
PID:1128

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 74KB
SHA256 7487bc370da1e1414dd3876bfc38e429f5c472aec9d6276e4bccded7cb7f1d41
MD5 c52b3a241c848cd3adcf3108deedf5f2
SHA1 16178e3a7d174358f7212c0df1580bddeaf6bcdc
SHA512 9035c9786607096612a8cdcf2cfb647561e46fbe00300e022b71386f827c862daaa2505071aeac22f4c26eb46c002955b33e17b4aa1dfb55ceaa26fcb4f3e12f
SSDEEP 1536:0bSshapMJgKJUuxm2mfJPtOgqm1s/XZml:Y25KJFwfJPtOgqm2/XZ8
TLSH
T138734B97DA6A0865EB50427014AE4A72B933FC68CF1B7E8353CCDE2D5C371969C2416F
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/3452-6-0x0000000002340000-0x00000000023A4000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads