a92dc64b6372e1f6112eac439f1fc6b2acda4b7a7cd4a7b896f35cc257b6d8e0

Analysis

max time kernel
150s
max time network
152s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
27/07/2026, 03:40

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General

Target
2026-07-27_fb1e9ecc6b61dfb73dc5b6d5f0bfea6a_elex_wannacry.exe
Size 18.6MB
Sample260727-d8frhavepf
SHA256 a92dc64b6372e1f6112eac439f1fc6b2acda4b7a7cd4a7b896f35cc257b6d8e0
MD5 fb1e9ecc6b61dfb73dc5b6d5f0bfea6a
SHA1 ad9edbfbc744f05077e0b30fc78d2c2488d61da6
SHA512 8d39b1ace0cdfcd9a3eeeae75a20c755f8e4ffc8c0e15cedba17e3651800bab54f6d129d5125c47c51b8a4ca0d3179dd79bcaf129f468a6146be025037dc2ef5
SSDEEP 98304:9nZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZn:n
TLSH
T14D1743797F046F0AB5198719C305CAE0603A8D86C1FFB2967BA7D044C5870BB9E5DE2E
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4408	lsass.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\Microsoft Shared C\lsass.exe	2026-07-27_fb1e9ecc6b61dfb73dc5b6d5f0bfea6a_elex_wannacry.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared C\lsass.exe	2026-07-27_fb1e9ecc6b61dfb73dc5b6d5f0bfea6a_elex_wannacry.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3492	4408	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	2026-07-27_fb1e9ecc6b61dfb73dc5b6d5f0bfea6a_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsass.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4944	2026-07-27_fb1e9ecc6b61dfb73dc5b6d5f0bfea6a_elex_wannacry.exe
4408	lsass.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4944 wrote to memory of 4408	4944	2026-07-27_fb1e9ecc6b61dfb73dc5b6d5f0bfea6a_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-07-27_fb1e9ecc6b61dfb73dc5b6d5f0bfea6a_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-27_fb1e9ecc6b61dfb73dc5b6d5f0bfea6a_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:4944
- 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:4408
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4408 -s 468
    3⤵
    - Program crash
    PID:3492

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 4408 -ip 4408
1⤵
PID:5952

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 C\lsass.exe
Size 30.2MB
SHA256 ae18404574fa6b82bf076e18ba089f758e39471592991ca0e36e621c303661d4
MD5 13bae5e7531df3a46f6b7e346eb3bc15
SHA1 727c19eeb6aab1d4d20e5299d199166da016e912
SHA512 36b375da1e6a9264f842f58e03dd2e1c7d0cec95bf492ff590332a8463e6f4d7fbb550b6caf073adcce1941d3dc39e7e5d631e470cc19df9ed12cca4cdf985db
SSDEEP 98304:9nZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZq:q
TLSH
T15F67B77B3F142B16E9A28718D204CDE1B23A4E9583FE73A556E78100C9074B7D9ECD6E
MD5 SHA1 SHA512 SSDEEP TLSH

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