d3ad5587d90b5e9e01012d165e50d945bff4643fdd9c56c18227d5f00ff35059

Analysis

max time kernel
150s
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
14/08/2026, 23:34

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General

Target
2026-08-14_78f9b0951e8aacd79aa0b78302078b38_elex_wannacry.exe
Size 110KB
Sample260814-3khnmatfqa
SHA256 d3ad5587d90b5e9e01012d165e50d945bff4643fdd9c56c18227d5f00ff35059
MD5 78f9b0951e8aacd79aa0b78302078b38
SHA1 673a8d9034c97679d1aa3323996676a9587045d0
SHA512 27f6dd00a093837d787baf8fa595a56d41adb84a87f257b72d3a527b90d6646f2ec67f52420d07105093a3c7c340a9ab39758515240ceb3cb90dc787fac8bfe2
SSDEEP 3072:5O248B0EMlIHxbHPwYV/wlmNie0ROfOlw:jLSzIHxMYV/9i1k
TLSH
T18DB38E1BFE074092F60089B0057F65F7E73B685B2B1B571BA78CDE3EA972141AC2528D
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery persistence

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
3364	winlgon.exe
3224	rgsvr32.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"	2026-08-14_78f9b0951e8aacd79aa0b78302078b38_elex_wannacry.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3989226554-2204910950-1522900112-1000\Software\Microsoft\Windows\CurrentVersion\Run\winlgon.exe = "c:\\users\\admin\\appdata\\local\\temp\\winlgon.exe"	2026-08-14_78f9b0951e8aacd79aa0b78302078b38_elex_wannacry.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1708	3308	WerFault.exe	87

System Location Discovery: System Language Discovery 1 TTPs 3 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	2026-08-14_78f9b0951e8aacd79aa0b78302078b38_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winlgon.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rgsvr32.exe

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
3308	2026-08-14_78f9b0951e8aacd79aa0b78302078b38_elex_wannacry.exe
3364	winlgon.exe
3364	winlgon.exe
3364	winlgon.exe
3364	winlgon.exe
3364	winlgon.exe
3364	winlgon.exe
3224	rgsvr32.exe
3224	rgsvr32.exe
3224	rgsvr32.exe
3224	rgsvr32.exe
3364	winlgon.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3308 wrote to memory of 3364	3308	2026-08-14_78f9b0951e8aacd79aa0b78302078b38_elex_wannacry.exe	89
PID 3364 wrote to memory of 3224	3364	winlgon.exe	91

C:\Users\Admin\AppData\Local\Temp\2026-08-14_78f9b0951e8aacd79aa0b78302078b38_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-14_78f9b0951e8aacd79aa0b78302078b38_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:3308
- \??\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
  - Suspicious use of WriteProcessMemory
  PID:3364
- - C:\Users\Admin\AppData\Local\Temp\rgsvr32.exe
    C:\Users\Admin\AppData\Local\Temp\rgsvr32.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:3224
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3308 -s 620
  2⤵
  - Program crash
  PID:1708

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3308 -ip 3308
1⤵
PID:3568

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k GPSvcGroup
1⤵
PID:4964

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

rgsvr32.exe

Path C:\Users\Admin\AppData\Local\Temp\rgsvr32.exe
Size 32KB
SHA256 1ab5d2ea45fbff4444eabb45a3a31538730ce56f2b9c041bcab958e3c69db97b
MD5 a22518e8a73ec19da806817d825d8a9c
SHA1 6f99e1591e1ce68ac44cd760729b2aeb2cba3559
SHA512 8f56ea79eab4b2e1d6b81981a9cd4f9652821b1cf17337ff3abf5796654fef08859fe4fa186015507b00ac606eefade1541235fcc6202ebf5257a1311638511e
SSDEEP 384:NMt3O0ZGwf162eGjUaXFYVf6DZX06gbg/VFrFPB1eKT6Kumg:NePZG8PUaWtl1bgdj/eKTlu7
TLSH
T11BE20926BA870C62C7A0D238136B6675D5B3BC672F27878B4744ED2D1C3B0819D3A35E
MD5 SHA1 SHA512 SSDEEP TLSH

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winlgon.exe

Path C:\Users\Admin\AppData\Local\Temp\winlgon.exe
Size 110KB
SHA256 75d5c9cb718f9dc64b1df9f7e3887450c5fb9b9e5f73aada47f7aaa234330b67
MD5 c42a045f465ca6a374cc9af40182a1c6
SHA1 03cf33b4cab8224d844309409abad523b5ffce8f
SHA512 142743bc0a8d3fffc7b30f0ab952d62cb156b964cf19e72a9d85e9a4a77229c934ac4c3792ef3b76f9eb9a135c2ff35398ae6758a8f46726f93574183d901655
SSDEEP 3072:5O248B0EMlIHxbHPwYV/wlmNie0ROfOl+:jLSzIHxMYV/9i1i
TLSH
T114B38E1BFE074092F60089B0057F65F7E73B685B2B1B571BA78CDE3EA972141AC2528D
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