a09b526712f90c0cad934cd65bba709aebd7c78b152e8f4609c714c1a4001d58

Analysis

max time kernel
149s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
03/08/2026, 03:04

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General

Target
2026-08-02_ff05cb7dbe73c33d6f946c291d7d72d2_elex_wannacry.exe
Size 19.4MB
Sample260803-dkrh4abl9v
SHA256 a09b526712f90c0cad934cd65bba709aebd7c78b152e8f4609c714c1a4001d58
MD5 ff05cb7dbe73c33d6f946c291d7d72d2
SHA1 e521a26df66112f7c143c7e5d2cb61f996df44b8
SHA512 f953c6fdc59c993d1ce59294814d3ee729c18571e086ae08e6150561e0b2f874d06652bcd6dbe06a45262c19d7f2e572deb86298818b17db99e8c228d50e186f
SSDEEP 12288:FOCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCT:Fp
TLSH
T162277337FE6D359A6203A347898BED2030E4B1DCC597D72279428194604C76BBDAAF4F
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
5236	lsass.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\Microsoft Shared I\lsass.exe	2026-08-02_ff05cb7dbe73c33d6f946c291d7d72d2_elex_wannacry.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared I\lsass.exe	2026-08-02_ff05cb7dbe73c33d6f946c291d7d72d2_elex_wannacry.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1864	5236	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	2026-08-02_ff05cb7dbe73c33d6f946c291d7d72d2_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsass.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2824	2026-08-02_ff05cb7dbe73c33d6f946c291d7d72d2_elex_wannacry.exe
5236	lsass.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 2824 wrote to memory of 5236	2824	2026-08-02_ff05cb7dbe73c33d6f946c291d7d72d2_elex_wannacry.exe	86

C:\Users\Admin\AppData\Local\Temp\2026-08-02_ff05cb7dbe73c33d6f946c291d7d72d2_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-02_ff05cb7dbe73c33d6f946c291d7d72d2_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:2824
- C:\Program Files\Common Files\Microsoft Shared I\lsass.exe
  1
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:5236
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5236 -s 420
    3⤵
    - Program crash
    PID:1864

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 5236 -ip 5236
1⤵
PID:5932

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 I\lsass.exe
Size 33.0MB
SHA256 53bb5c09d074faa0f84ca9768ade5cd6972bf5a59eeae7c531a454deef13946c
MD5 ff092ec61c267e8dde2f92e18b65aadf
SHA1 5f1851e522ff86a97b866f8313c450b5ee44c0c2
SHA512 c85ce145b57a88a53c08c8c3c2bf9c486d02e529ffafef1bdb140a95faccf524b625594b00c27501eda31d042091f96feccbc23106853715a226997cb9a7ba6d
SSDEEP 12288:FOCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCG:FU
TLSH
T1B377E767FD9E36C58309E357969E4C026090F0DCC98BE329B3CAD541209966F29EDF36
MD5 SHA1 SHA512 SSDEEP TLSH

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