40ccc9ca7d50c2d57b7773ed7a94a1b377e568da3eb021cb4c50871ac7cdefdf

Analysis

max time kernel
151s
max time network
151s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
23/07/2026, 01:51

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General

Target
2026-07-22_576bb13cfc10ec83d0a7331d721ffc08_elex_wannacry.exe
Size 32.5MB
Sample260723-b9ybtsfa95
SHA256 40ccc9ca7d50c2d57b7773ed7a94a1b377e568da3eb021cb4c50871ac7cdefdf
MD5 576bb13cfc10ec83d0a7331d721ffc08
SHA1 ae111b4848e83842db2188323d3f3869c31b62b1
SHA512 6034ff9c28a09a165748afbe92dd5fafa3868b642c54b6dc4ce1ddbe5cfaba17ac6d2acbf3619edcd02121ccf0c41a94f8fceb07b77f696aa6c68b38bb5d3931
SSDEEP 12288:j4NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNj:jI
TLSH
T1D277C6F34A31BC2251CD1A828339C5533961DDEA3F1E8C35DA3E269FBE9A181F54461B
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4160	lsass.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Common Files\Microsoft Shared C\lsass.exe	2026-07-22_576bb13cfc10ec83d0a7331d721ffc08_elex_wannacry.exe
File created	C:\Program Files\Common Files\Microsoft Shared C\lsass.exe	2026-07-22_576bb13cfc10ec83d0a7331d721ffc08_elex_wannacry.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1928	4160	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	2026-07-22_576bb13cfc10ec83d0a7331d721ffc08_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsass.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
5168	2026-07-22_576bb13cfc10ec83d0a7331d721ffc08_elex_wannacry.exe
4160	lsass.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 5168 wrote to memory of 4160	5168	2026-07-22_576bb13cfc10ec83d0a7331d721ffc08_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-07-22_576bb13cfc10ec83d0a7331d721ffc08_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-22_576bb13cfc10ec83d0a7331d721ffc08_elex_wannacry.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5168
- C:\Program Files\Common Files\Microsoft Shared C\lsass.exe
  1
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:4160
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4160 -s 472
    3⤵
    - Program crash
    PID:1928

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 396 -p 4160 -ip 4160
1⤵
PID:5364

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

lsass.exe

Path C:\Program Files\Common Files\Microsoft Shared C\lsass.exe
Size 44.2MB
SHA256 5dda70f1bbb82efc17b6bf8db1efe76ad3337f3c0dc9acaff8fd0d3519fe71ae
MD5 8004b6be634e4b01b36a45f7efececa2
SHA1 c7ef14dd99a8996fa857cb10dde371af52e72d37
SHA512 38f347247f988d2bb36a4428964e8e18c38da21db246b39c9b76a7419718c8f1ab7d822fae1869d16dacf6c700b2118af25dae3351d0d63d23c0881a3a1d6e4c
SSDEEP 12288:j4NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNe:jX
TLSH
T172A7F7F35A51BA1A50CE29C38335C25330B1DCDA6B4D5C38DA3A2A9F7FA71C1E4416B6
MD5 SHA1 SHA512 SSDEEP TLSH

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