555dccdf026835ec10cebe8d78b5f0a770d40cd2e171f423735145a9134c51f2

Analysis

max time kernel
150s
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
13/08/2026, 03:57

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General

Target
2026-08-13_a87507e4584f806079d06dd771353f6e_elex_wannacry.exe
Size 10.9MB
Sample260813-eh62fa1drf
SHA256 555dccdf026835ec10cebe8d78b5f0a770d40cd2e171f423735145a9134c51f2
MD5 a87507e4584f806079d06dd771353f6e
SHA1 457dd4b657be843b8f170b10f7e65c090547963c
SHA512 671f7527598bf3eb71a04911a93f785da63a7241947e94470b5f7be803e99f97ba89e7e722de387e9f23684c37cc005d916ec90e4ea4aa595df74cd2d1141490
SSDEEP 12288:j4NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNs:j/
TLSH
T1CFC6C806E7D0E291F633AF76FBF5D290DC096A95308E9010368632A6726DE11B4BF537
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4316	lsass.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\Microsoft Shared K\lsass.exe	2026-08-13_a87507e4584f806079d06dd771353f6e_elex_wannacry.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared K\lsass.exe	2026-08-13_a87507e4584f806079d06dd771353f6e_elex_wannacry.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3596	4316	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	2026-08-13_a87507e4584f806079d06dd771353f6e_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsass.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3904	2026-08-13_a87507e4584f806079d06dd771353f6e_elex_wannacry.exe
4316	lsass.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 3904 wrote to memory of 4316	3904	2026-08-13_a87507e4584f806079d06dd771353f6e_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-13_a87507e4584f806079d06dd771353f6e_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-13_a87507e4584f806079d06dd771353f6e_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:3904
- C:\Program Files\Common Files\Microsoft Shared K\lsass.exe
  1
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:4316
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4316 -s 472
    3⤵
    - Program crash
    PID:3596

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4316 -ip 4316
1⤵
PID:1680

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 K\lsass.exe
Size 25.1MB
SHA256 1328484b0615f72efcdab5e75a8f206915ef9b0fdc275326a27799e6caa84b6a
MD5 ec8bb357fca58ad368c4ee19c0784585
SHA1 98f9801dc4a0945b2f43ab9953c93e577488e804
SHA512 d9f43092f91fb90f12be8176db2c99b0b3d9ef25ace413a857f2640ba69fc4f2d45054b014a4223135f19b98dfb936c22536545647d4391929f994839519d83e
SSDEEP 12288:j4NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNt:jq
TLSH
T1E347DA604FA883BA7267EB35EBF110B4CF86118A394F5110F6C6E65C764EF8DA0D21D6
MD5 SHA1 SHA512 SSDEEP TLSH

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