8aa40b6bf0e8ffbfbfc61b448264b815738911744927644663fe162d104ea771

Analysis

max time kernel
148s
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
31/08/2026, 09:56

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General

Target
2026-08-30_6eef35af05e6022facc10d1e904f06a9_elex_wannacry.exe
Size 75KB
Sample260831-lycabsgp2v
SHA256 8aa40b6bf0e8ffbfbfc61b448264b815738911744927644663fe162d104ea771
MD5 6eef35af05e6022facc10d1e904f06a9
SHA1 8c7dfdbdc7421a58f0b358569d83f59375bf1d74
SHA512 e4077cbdd14befdee50ac2c0065136fb70cc3837f9270f51835d0570040d5922d4d023a5e9c9844dc0f3ee619ae253497db0e3cf19c125e2f326a185ba0ce4c7
SSDEEP 1536:0bSshapMJgKJUuxm2mfJPtOgqm1s/XZmv:Y25KJFwfJPtOgqm2/XZK
TLSH
T1DC734B97DA6A0865EB50427054AE4A72B933FC69CF1B7E8353CCCE2D1C371969C2416F
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
5764	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"	2026-08-30_6eef35af05e6022facc10d1e904f06a9_elex_wannacry.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2115213192-531537726-3295841909-1000\Software\Microsoft\Windows\CurrentVersion\Run\winlgon.exe = "c:\\users\\admin\\appdata\\local\\temp\\winlgon.exe"	2026-08-30_6eef35af05e6022facc10d1e904f06a9_elex_wannacry.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
5980	5764	WerFault.exe	89
4580	1692	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	2026-08-30_6eef35af05e6022facc10d1e904f06a9_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winlgon.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1692	2026-08-30_6eef35af05e6022facc10d1e904f06a9_elex_wannacry.exe
5764	winlgon.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 1692 wrote to memory of 5764	1692	2026-08-30_6eef35af05e6022facc10d1e904f06a9_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-30_6eef35af05e6022facc10d1e904f06a9_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-30_6eef35af05e6022facc10d1e904f06a9_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:1692
- \??\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:5764
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5764 -s 732
    3⤵
    - Program crash
    PID:5980
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1692 -s 648
  2⤵
  - Program crash
  PID:4580

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 5764 -ip 5764
1⤵
PID:4240

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 1692 -ip 1692
1⤵
PID:4940

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 951a4c72ff0fd894cebc0bb2abe1efc689969c8eecefe990740cd8a03a7b3816
MD5 52cbdd65452268633b169ecb93540670
SHA1 152e5de92f7235a022c7fbf67b98f621fe0625f4
SHA512 553dabd7b45b4cd4df3ca27296a73e171a15dbbc024bb93bfbd93444f02c9c717c11193fbf4f77d6040b3666e3df871379970650f5642287c1114226d229dfde
SSDEEP 1536:0bSshapMJgKJUuxm2mfJPtOgqm1s/XZmN:Y25KJFwfJPtOgqm2/XZo
TLSH
T199734B97DA6A0865EB50427054AE4A72B933FC69CF1B7E8353CCCE2D1C371969C2416F
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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