8aeffa50f2645e5e187a38b7b48f826509387d58a039b98e254065df9eaa23fd

Analysis

max time kernel
148s
max time network
123s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260629-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
03/07/2026, 19:09

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General

Target
2026-07-03_71726d7fb02a93b340c440cc4f9f3b14_elex_wannacry.exe
Size 75KB
Sample260703-xtzevabt9p
SHA256 8aeffa50f2645e5e187a38b7b48f826509387d58a039b98e254065df9eaa23fd
MD5 71726d7fb02a93b340c440cc4f9f3b14
SHA1 9c69c00c5d23f905a77a91dc18403ca529b3d9fb
SHA512 e1acc5e45fbe211119746643b61a5d4e15f79ecbfa817c34b42419b95ddf2358ade8d7d48f62d9421acb7c7c4db524e631d5b02b307f410e0dde8a324b27fbe6
SSDEEP 1536:0bSshapMJgKJUuxm2mfJPtOgqm1s/XZme:Y25KJFwfJPtOgqm2/XZf
TLSH
T1D6734A97DA6A0865EB50427054EE4A72A933FC68CF2B7E8353CCDE2D1C371929C2416F
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4412	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"	2026-07-03_71726d7fb02a93b340c440cc4f9f3b14_elex_wannacry.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2639994890-966400312-4246138405-1000\Software\Microsoft\Windows\CurrentVersion\Run\winlgon.exe = "c:\\users\\admin\\appdata\\local\\temp\\winlgon.exe"	2026-07-03_71726d7fb02a93b340c440cc4f9f3b14_elex_wannacry.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
5352	4412	WerFault.exe	88
1968	1636	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	2026-07-03_71726d7fb02a93b340c440cc4f9f3b14_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winlgon.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1636	2026-07-03_71726d7fb02a93b340c440cc4f9f3b14_elex_wannacry.exe
4412	winlgon.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 1636 wrote to memory of 4412	1636	2026-07-03_71726d7fb02a93b340c440cc4f9f3b14_elex_wannacry.exe	88

C:\Users\Admin\AppData\Local\Temp\2026-07-03_71726d7fb02a93b340c440cc4f9f3b14_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-03_71726d7fb02a93b340c440cc4f9f3b14_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:1636
- \??\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:4412
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4412 -s 728
    3⤵
    - Program crash
    PID:5352
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1636 -s 648
  2⤵
  - Program crash
  PID:1968

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4412 -ip 4412
1⤵
PID:5968

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 592 -p 1636 -ip 1636
1⤵
PID:2368

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 40563cb17bfe75858c49ce673849fb04cf845ee63438f57f2ba99daa17ee8aa4
MD5 84ddd660b19c3150cee9fc2734d2758d
SHA1 86359af279e1fdc2b3b79e8268bef7d525b7f271
SHA512 7e83b7059cafbdb1c9ec0d1272fbf8f09e08a477de298c74073e2e610c60ae85c1f328d7f75e8124aa8b05a53fbfee0f250cddbf4a92c670924a0756e4504b47
SSDEEP 1536:0bSshapMJgKJUuxm2mfJPtOgqm1s/XZmO:Y25KJFwfJPtOgqm2/XZP
TLSH
T17E734A97DA6A0865EB50427054EE4A72A933FC68CF2B7E8353CCDE2D1C371929C2416F
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