3ef117f54118f249dbec422f12d4104361bf0f82ac0c611868a4f202d0e317b8

Analysis

max time kernel
150s
max time network
136s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
02/08/2026, 03:40

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General

Target
2026-08-02_0aceed51619bdf13dac74312c784eab4_elex_wannacry.exe
Size 12.5MB
Sample260802-d8k18atejf
SHA256 3ef117f54118f249dbec422f12d4104361bf0f82ac0c611868a4f202d0e317b8
MD5 0aceed51619bdf13dac74312c784eab4
SHA1 8e36653cedef3ab9a19b67d8e3526fb721d3619f
SHA512 c5409950eb689acf31671809433dcdf29fa2b141e6f861c1d30875da9bbee7b8ef5934cc71d02988945c49b40d825c74f299c5f2edd1443d92fe6e11fd1dea6c
SSDEEP 1536:XxD7O6kYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYH:XxDC6q
TLSH
T16DD6F11682C7DE826AEB45D1D496A3125396E3C1E5A1D321CC723CEF07E74AB039A5FC
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4168	lsass.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\Microsoft Shared N\lsass.exe	2026-08-02_0aceed51619bdf13dac74312c784eab4_elex_wannacry.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared N\lsass.exe	2026-08-02_0aceed51619bdf13dac74312c784eab4_elex_wannacry.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3808	4168	WerFault.exe	90

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	2026-08-02_0aceed51619bdf13dac74312c784eab4_elex_wannacry.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1856	2026-08-02_0aceed51619bdf13dac74312c784eab4_elex_wannacry.exe
4168	lsass.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 1856 wrote to memory of 4168	1856	2026-08-02_0aceed51619bdf13dac74312c784eab4_elex_wannacry.exe	90

C:\Users\Admin\AppData\Local\Temp\2026-08-02_0aceed51619bdf13dac74312c784eab4_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-02_0aceed51619bdf13dac74312c784eab4_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:1856
- C:\Program Files\Common Files\Microsoft Shared N\lsass.exe
  1
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:4168
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4168 -s 476
    3⤵
    - Program crash
    PID:3808

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 4168 -ip 4168
1⤵
PID:2760

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 N\lsass.exe
Size 25.1MB
SHA256 c3804027df96882be7206095b12a31b8949fcac717c62bb16310e02227c86cff
MD5 38dfd7f99b204b4c78cca9529da1cbd4
SHA1 99cfbf7931860c689b5318a7b2fa24693248a725
SHA512 265a13ef71dce00b92d2127b9e6b2633d7f3f811d136a3f22eceb81458bc21b1e7d814f86207d1ab0458d19edefe062757875bdc81bfc73f7b185597cd5f1cfb
SSDEEP 1536:XxD7O6kYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYi:XxDC6p
TLSH
T11047861A598FF9AB94B3B4A8D8E56B000388FBC285815013DCE5B8FB036654747EB57F
MD5 SHA1 SHA512 SSDEEP TLSH

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