ba7adb9800b33330e92d03b794aed613048cf199a78b6bd5d2e2a65b17f8daa0

Analysis

max time kernel
150s
max time network
112s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
15/07/2026, 04:26

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General

Target
2026-07-15_acacf64d1acf3421b7320928e3e0ea69_elex_wannacry.exe
Size 28.3MB
Sample260715-e21c1abw6k
SHA256 ba7adb9800b33330e92d03b794aed613048cf199a78b6bd5d2e2a65b17f8daa0
MD5 acacf64d1acf3421b7320928e3e0ea69
SHA1 5e546f767c02fb3f32f47abdc95bcd3fa477b5d1
SHA512 f9f5e24181be9b429e61dae4a9cc58dc5947953fb0d4000fa9a26c2388a9ba0af96b3e95cf7e5b342a3a8f9d4edd0cdb8be1ae0c6a43b373074d030cffe0d289
SSDEEP 12288:j4NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNy:jf
TLSH
T1F757B51E9A1198EC69CA53A2F5D5E2C0584E08EF5133A739039BF23EB6F1C5538F8671
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4136	lsass.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\Microsoft Shared F\lsass.exe	2026-07-15_acacf64d1acf3421b7320928e3e0ea69_elex_wannacry.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared F\lsass.exe	2026-07-15_acacf64d1acf3421b7320928e3e0ea69_elex_wannacry.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5208	4136	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	2026-07-15_acacf64d1acf3421b7320928e3e0ea69_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsass.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3004	2026-07-15_acacf64d1acf3421b7320928e3e0ea69_elex_wannacry.exe
4136	lsass.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 3004 wrote to memory of 4136	3004	2026-07-15_acacf64d1acf3421b7320928e3e0ea69_elex_wannacry.exe	87

C:\Users\Admin\AppData\Local\Temp\2026-07-15_acacf64d1acf3421b7320928e3e0ea69_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-15_acacf64d1acf3421b7320928e3e0ea69_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:3004
- C:\Program Files\Common Files\Microsoft Shared F\lsass.exe
  1
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:4136
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4136 -s 472
    3⤵
    - Program crash
    PID:5208

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4136 -ip 4136
1⤵
PID:6064

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

Replay Monitor

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Downloads

lsass.exe

Path C:\Program Files\Common Files\Microsoft Shared F\lsass.exe
Size 40.1MB
SHA256 07a5b8f2345f492276b1287b296854452f5ed6d61129510b4089df527aa9933d
MD5 9db122ce40ba6f380ee16fe0594766d3
SHA1 2b873d62060b85d2b2aacf49e9e5a48876ad398d
SHA512 2b03c76141bc54a59abd4e6a2a1a1214201808b20e23dd901b97ee33e57dcc6a75acc3c6faca488c5d866a25ee501abb6e2b393cbc967bb8481d8d87764ec3c7
SSDEEP 12288:j4NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNc:jN
TLSH
T19D97CA8E4901D9DC258A4397F0E4D2E44E0A0EEF5973AF28936AF03BB5F1C942EE4755
MD5 SHA1 SHA512 SSDEEP TLSH

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