287ceb7b362cdf2acd8cf671b94594cb5ceddead5152907273238f1fac7ea1a3

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
23/07/2026, 01:38

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General

Target
2026-07-22_ab55aaeaf22b3aa4e315cbbf2cf17114_elex_wannacry.exe
Size 18.4MB
Sample260723-b2qa9afa32
SHA256 287ceb7b362cdf2acd8cf671b94594cb5ceddead5152907273238f1fac7ea1a3
MD5 ab55aaeaf22b3aa4e315cbbf2cf17114
SHA1 c33fd7ed46c966826531f05d27140bee43cb05b4
SHA512 85afc5578f858cc601b781291f77dd5f316370b4176b136e79988def257db864ce3cee8bb0db3550d67c5b16941a27265eb2092e124544d81375e634bfa7730a
SSDEEP 1536:XxD7Oheaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaz:XxDCha
TLSH
T1E61773ADCFE69802E65E15E1BAA042DD1FA90961DF25221958FF4EF04D8A75833F3307
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4104	lsass.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\Microsoft Shared W\lsass.exe	2026-07-22_ab55aaeaf22b3aa4e315cbbf2cf17114_elex_wannacry.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared W\lsass.exe	2026-07-22_ab55aaeaf22b3aa4e315cbbf2cf17114_elex_wannacry.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4940	4104	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	lsass.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-07-22_ab55aaeaf22b3aa4e315cbbf2cf17114_elex_wannacry.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3676	2026-07-22_ab55aaeaf22b3aa4e315cbbf2cf17114_elex_wannacry.exe
4104	lsass.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 3676 wrote to memory of 4104	3676	2026-07-22_ab55aaeaf22b3aa4e315cbbf2cf17114_elex_wannacry.exe	87

C:\Users\Admin\AppData\Local\Temp\2026-07-22_ab55aaeaf22b3aa4e315cbbf2cf17114_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-22_ab55aaeaf22b3aa4e315cbbf2cf17114_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:3676
- C:\Program Files\Common Files\Microsoft Shared W\lsass.exe
  1
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:4104
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4104 -s 424
    3⤵
    - Program crash
    PID:4940

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4104 -ip 4104
1⤵
PID:3820

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 W\lsass.exe
Size 32.6MB
SHA256 65efca742b90c1986e8229aa23ab6bca3dd200792a45c04b1229d45bf9ca0480
MD5 0e05433cab3ac503fc074f265efd039b
SHA1 5d8f9a46a7987d0290b5ac11d3ba7dfae3ac54de
SHA512 275ffaa639044bb8522542501eb7ffd20e4593cfacfe5d3ad07acb53730663b6e712c1bce39053d3f4168abe5a59e5fdb26b396127517154ad32b76ecf477f73
SSDEEP 1536:XxD7Oheaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa2:XxDChB
TLSH
T1DB77B7ADCE766411CADD9F49B7A0EB144F6906115B35220B38BB4B740AAF57433BB30E
MD5 SHA1 SHA512 SSDEEP TLSH

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