da728cf2c79f407730b1e197706d65701453fa0e54a7d33fc969ab8af13c91ac

Analysis

max time kernel
149s
max time network
143s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260710-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
12/07/2026, 09:11

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General

Target
2026-07-12_79aeea304b2e76f87c6aadb76db5aa73_elex_wannacry.exe
Size 21.1MB
Sample260712-k536ysht3w
SHA256 da728cf2c79f407730b1e197706d65701453fa0e54a7d33fc969ab8af13c91ac
MD5 79aeea304b2e76f87c6aadb76db5aa73
SHA1 8cdcab8bfd1df11bc351b7e17d8a1265172d6ccb
SHA512 7e84db47368e795179fd64ec6e83b80c1182e4534c9391f000239ac4c8531f29db4ace5cacb740e269561e41cd1d5cc0cb4431c3f96b7ed5b8b5d7015d8d3ab4
SSDEEP 196608:pTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTc:W
TLSH
T1942777A132D5D37CA17499B4948EACB36E680B8F9300BE957CE4E73CA24C33455F59A3
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3060	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	2026-07-12_79aeea304b2e76f87c6aadb76db5aa73_elex_wannacry.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared I\lsass.exe	2026-07-12_79aeea304b2e76f87c6aadb76db5aa73_elex_wannacry.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3672	3060	WerFault.exe	87

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	2026-07-12_79aeea304b2e76f87c6aadb76db5aa73_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsass.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2860	2026-07-12_79aeea304b2e76f87c6aadb76db5aa73_elex_wannacry.exe
3060	lsass.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 2860 wrote to memory of 3060	2860	2026-07-12_79aeea304b2e76f87c6aadb76db5aa73_elex_wannacry.exe	87

C:\Users\Admin\AppData\Local\Temp\2026-07-12_79aeea304b2e76f87c6aadb76db5aa73_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-12_79aeea304b2e76f87c6aadb76db5aa73_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:2860
- 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:3060
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3060 -s 472
    3⤵
    - Program crash
    PID:3672

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3060 -ip 3060
1⤵
PID:4480

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 36.1MB
SHA256 cbb6debec7c7be1df46253114494d186d1360c8200bea9b2ae454851bd1d089c
MD5 29061a4c59e3bf92ca1d3892d9155c1c
SHA1 252834955a12ef59bcf865c0f36167c924fb1174
SHA512 07c1afd61143c6061a15a528074ea3b65a512d9a07c07f06b5ffc480592323d689cbfb44944c7d7f62cca932825953074b9442e58dd51225d5f059c21c068599
SSDEEP 196608:pTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTa:Q
TLSH
T13D87BA8232DAE374117019B0948F6BF6D9A5378EC2186D9368A9D738C36E334CCF9D56
MD5 SHA1 SHA512 SSDEEP TLSH

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