fcd1957102528e9b7fa028143cf7e9453ccdbe7c7ca15838706b2aebce85b99c

Analysis

max time kernel
150s
max time network
125s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
20/08/2026, 00:40

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General

Target
2026-08-19_0b4bf70004020ad284fb771af229f5c5_elex_wannacry.exe
Size 29.0MB
Sample260820-a1mcjaxblf
SHA256 fcd1957102528e9b7fa028143cf7e9453ccdbe7c7ca15838706b2aebce85b99c
MD5 0b4bf70004020ad284fb771af229f5c5
SHA1 58359d0af633da4a9a200e21762f88261bf8f5c5
SHA512 93fad5b26dfd9749085718e5caa0cbb9f4e9c4740a79610615c1298d203c3e036d7183fef32ab836a0404273d01aa1ff2030d55e3d32820ff22a76501413e21a
SSDEEP 98304:9nZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZw:w
TLSH
T158679630D69126578A6E276DDED03D75F02594AC1C22EF6CFDE714A20AC2A64CFC6BD0
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1532	lsass.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\Microsoft Shared V\lsass.exe	2026-08-19_0b4bf70004020ad284fb771af229f5c5_elex_wannacry.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared V\lsass.exe	2026-08-19_0b4bf70004020ad284fb771af229f5c5_elex_wannacry.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4464	1532	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	2026-08-19_0b4bf70004020ad284fb771af229f5c5_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsass.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1968	2026-08-19_0b4bf70004020ad284fb771af229f5c5_elex_wannacry.exe
1532	lsass.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 1968 wrote to memory of 1532	1968	2026-08-19_0b4bf70004020ad284fb771af229f5c5_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-19_0b4bf70004020ad284fb771af229f5c5_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-19_0b4bf70004020ad284fb771af229f5c5_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:1968
- C:\Program Files\Common Files\Microsoft Shared V\lsass.exe
  1
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:1532
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1532 -s 468
    3⤵
    - Program crash
    PID:4464

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 1532 -ip 1532
1⤵
PID:4488

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 V\lsass.exe
Size 44.0MB
SHA256 556e0c8c525de814622f3ed142fc846398e615e26e3f0a9dc8b5721db5ebc012
MD5 deb438168f8c11b623e3036a0429086a
SHA1 e8448a59a6d2279e3c7cb766f7566abd4bd972ec
SHA512 e769a80135c5bc70bc1b48d75d13cf40c1b54bf02203ed85c4985935a3500f46c191b2d61634a14806fcad2c454a7d8d64cc0c442657ddded36f49ed7fb4e722
SSDEEP 98304:9nZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZB:B
TLSH
T1AEA7FA10CA9113F6491F1B9DEFF838396820A4AC9D316E6CF997055767C1DB8CAC6BE0
MD5 SHA1 SHA512 SSDEEP TLSH

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