f7e81db5840fba296c1b5262f3021e86a5714cffa0a319534d7351160470d622

Analysis

max time kernel
148s
max time network
104s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
10/07/2026, 02:03

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General

Target
2026-07-10_cef6aeb3670df66dbe24302f93d33fd8_elex_wannacry.exe
Size 13.4MB
Sample260710-cgppnac14t
SHA256 f7e81db5840fba296c1b5262f3021e86a5714cffa0a319534d7351160470d622
MD5 cef6aeb3670df66dbe24302f93d33fd8
SHA1 9ab9eddfd9065bd791bf7fa6ed047e514d55531a
SHA512 1421c20ff7843e26e5efb994acbae5d89233304525a3182349010c43a72aec2712474040fb138bd2448fc06b85a685e031fa1ba5ffee613e6180397633e8acc4
SSDEEP 12288:j4NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN/:jq
TLSH
T1ACE6FE976EE64C778DB3C30B2DFA350441B18A94A95398635370878FB1A600FF6ED5B8
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4940	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	2026-07-10_cef6aeb3670df66dbe24302f93d33fd8_elex_wannacry.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared W\lsass.exe	2026-07-10_cef6aeb3670df66dbe24302f93d33fd8_elex_wannacry.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4288	4940	WerFault.exe	86

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	2026-07-10_cef6aeb3670df66dbe24302f93d33fd8_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsass.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4560	2026-07-10_cef6aeb3670df66dbe24302f93d33fd8_elex_wannacry.exe
4940	lsass.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4560 wrote to memory of 4940	4560	2026-07-10_cef6aeb3670df66dbe24302f93d33fd8_elex_wannacry.exe	86

C:\Users\Admin\AppData\Local\Temp\2026-07-10_cef6aeb3670df66dbe24302f93d33fd8_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-10_cef6aeb3670df66dbe24302f93d33fd8_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:4560
- 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:4940
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4940 -s 472
    3⤵
    - Program crash
    PID:4288

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4940 -ip 4940
1⤵
PID:2404

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 W\lsass.exe
Size 28.0MB
SHA256 3562f3f18c57010ed3c83d2ebf43bb4e4216b4b6b320f380dbc6e4c38a75c2e6
MD5 e39123080a81f7b852858bc0ec1bca93
SHA1 e973589685b25fda83227f6c43ad5fc9644719f8
SHA512 26555006b7b4629ba23339a4b7e08bd7c057fbc3dd7701cd73b4e205e8c5477697636abf710017f70549f907776356866b42b15a46263523a635bf00519264b9
SSDEEP 12288:j4NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNY:jZ
TLSH
T1E05775134AFA6CA74C72CB1F18F6B4804C613A4A6D8588A1627F476F7562017A1FCF7E
MD5 SHA1 SHA512 SSDEEP TLSH

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