c6fb05b4bd1aa47ea054d8fb8c978d8181bbf4cd5ed9ad88e22bb2d8dedf6b26

Analysis

max time kernel
150s
max time network
142s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
01/08/2026, 01:19

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General

Target
2026-07-31_b1a0d6076fe55535c435c362031141da_elex_wannacry.exe
Size 31.4MB
Sample260801-bprzbavcle
SHA256 c6fb05b4bd1aa47ea054d8fb8c978d8181bbf4cd5ed9ad88e22bb2d8dedf6b26
MD5 b1a0d6076fe55535c435c362031141da
SHA1 742d97eb105174c2a1dfdf46c417d1180c253b58
SHA512 c5d3271c4d930f67542be8b34c8287d8335048cc5087a22bfb172bca5e58e85820b15b5470cc8083b38af2def46828697c3155b12a6742b913b3a2a66c9641db
SSDEEP 12288:FOCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCY:FC
TLSH
T1E677C9A4D7FAA87ADBB315A40258B9F1D5158835F628EB0E002C3D40D3766D37B26EC7
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4392	lsass.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\Microsoft Shared Q\lsass.exe	2026-07-31_b1a0d6076fe55535c435c362031141da_elex_wannacry.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared Q\lsass.exe	2026-07-31_b1a0d6076fe55535c435c362031141da_elex_wannacry.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3956	4392	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	2026-07-31_b1a0d6076fe55535c435c362031141da_elex_wannacry.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1504	2026-07-31_b1a0d6076fe55535c435c362031141da_elex_wannacry.exe
4392	lsass.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 1504 wrote to memory of 4392	1504	2026-07-31_b1a0d6076fe55535c435c362031141da_elex_wannacry.exe	90

C:\Users\Admin\AppData\Local\Temp\2026-07-31_b1a0d6076fe55535c435c362031141da_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-31_b1a0d6076fe55535c435c362031141da_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:1504
- C:\Program Files\Common Files\Microsoft Shared Q\lsass.exe
  1
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:4392
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4392 -s 468
    3⤵
    - Program crash
    PID:3956

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 4392 -ip 4392
1⤵
PID:6852

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

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Downloads

lsass.exe

Path C:\Program Files\Common Files\Microsoft Shared Q\lsass.exe
Size 43.1MB
SHA256 a18e35874e769e60128db854e47d9774f732e3fb194c2a29696285e8f643f9f4
MD5 f53990cc16bbb4e7f84cd577fc6449e6
SHA1 e523d4bc9ab3426be47bdf53290a24a38be684ab
SHA512 2bbaed1bc1c683e686213f51c85e2c4505b9c8630f8f270d28252ee8554dd11aa59e54e8ff3112feee93fc5590a532a410b4d1b784bfe5008726c2597b39ce76
SSDEEP 12288:FOCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCn:F5
TLSH
T115A7DA94C2F3F879DBB7015852197AF5D5358431B968AA4A150C2E00F366BD3BB3AEC3
MD5 SHA1 SHA512 SSDEEP TLSH

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