43c4249e61fd9a0ab5ffb8bdadf8b811318d278b7d38947a2eebf28c2e3673c7

Analysis

max time kernel
150s
max time network
148s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
08/08/2026, 18:10

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General

Target
2026-08-08_1e0ebf30c8fc5ca53fb773cd10846c4f_elex_wannacry.exe
Size 29.0MB
Sample260808-wsfexawwfv
SHA256 43c4249e61fd9a0ab5ffb8bdadf8b811318d278b7d38947a2eebf28c2e3673c7
MD5 1e0ebf30c8fc5ca53fb773cd10846c4f
SHA1 ff0358cfdd419deae15ec1516f9fe1dea9d307a1
SHA512 95235ac166e3d5e2af162174d61939ddef988252ec0c114d771c20e801da572098379cb7b464a76d2f8dedae3820abd2ef1fb351037079e04d02e8ab2631115c
SSDEEP 12288:j4NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN1:j6
TLSH
T11167BAE08B360B42E4B57F28141F5A319F96B4CB2D90CCC507E86AA6D6DD2F6E35C493
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3788	lsass.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\Microsoft Shared Y\lsass.exe	2026-08-08_1e0ebf30c8fc5ca53fb773cd10846c4f_elex_wannacry.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared Y\lsass.exe	2026-08-08_1e0ebf30c8fc5ca53fb773cd10846c4f_elex_wannacry.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4496	3788	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	2026-08-08_1e0ebf30c8fc5ca53fb773cd10846c4f_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsass.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
988	2026-08-08_1e0ebf30c8fc5ca53fb773cd10846c4f_elex_wannacry.exe
3788	lsass.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 988 wrote to memory of 3788	988	2026-08-08_1e0ebf30c8fc5ca53fb773cd10846c4f_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-08_1e0ebf30c8fc5ca53fb773cd10846c4f_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-08_1e0ebf30c8fc5ca53fb773cd10846c4f_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:988
- C:\Program Files\Common Files\Microsoft Shared Y\lsass.exe
  1
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:3788
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3788 -s 284
    3⤵
    - Program crash
    PID:4496

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3788 -ip 3788
1⤵
PID:2520

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 Y\lsass.exe
Size 42.0MB
SHA256 f1a888dd3b60fb3f39077be855c38ccabdcd46ff00c96554808558faae14d830
MD5 df207bfda2f048a0770dc01d20230c9a
SHA1 73bc41faf5f72fb38a509ea8361a659be68aff82
SHA512 b4bed0b8be73fe9c982b927cdb237ec7ca114b3e0fa42de16d304a085be986363f6ab34b6fe79ffd647af0bcaea6c7d2dffef966e78ba3e27f2f939c42067ed0
SSDEEP 12288:j4NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNl:jG
TLSH
T1D2A7E7E08EF11AC3A1A47FB8145E5571DF82708798C0CC4A93FD26E9D2EC2AD935C997
MD5 SHA1 SHA512 SSDEEP TLSH

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