1fb8e2138d95cc3b50df12ce0813f22e4b533e70784dabd74442157fe2a45268

Analysis

max time kernel
149s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
06/08/2026, 01:33

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General

Target
2026-08-06_62a7c435e877eb8c6fc762207d734aa1_elex_wannacry.exe
Size 2.9MB
Sample260806-bys8qswvbx
SHA256 1fb8e2138d95cc3b50df12ce0813f22e4b533e70784dabd74442157fe2a45268
MD5 62a7c435e877eb8c6fc762207d734aa1
SHA1 a59351deaebba0eff82cba029e559b8ff22091a0
SHA512 e48e4b141f5649c80a84bb96683b34c8f0c5811dd9d7b8a1cc67bcad91a52ded43c6d0c06e19fdacc21795ac22246402793ed4b5ccb8534dff450fb5dbd43e5e
SSDEEP 49152:9nZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZQ:9nZZZZZZZZZZZZZZZZZZZZZZZZZZZZZQ
TLSH
T1BAE5DADE148B6694F5C39ABE9393BC6F50C37DE00EB09098420BD5BCB27FEA64DA1511
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4852	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	2026-08-06_62a7c435e877eb8c6fc762207d734aa1_elex_wannacry.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared Y\lsass.exe	2026-08-06_62a7c435e877eb8c6fc762207d734aa1_elex_wannacry.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3040	4852	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	lsass.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-08-06_62a7c435e877eb8c6fc762207d734aa1_elex_wannacry.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
5996	2026-08-06_62a7c435e877eb8c6fc762207d734aa1_elex_wannacry.exe
4852	lsass.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 5996 wrote to memory of 4852	5996	2026-08-06_62a7c435e877eb8c6fc762207d734aa1_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-06_62a7c435e877eb8c6fc762207d734aa1_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-06_62a7c435e877eb8c6fc762207d734aa1_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:5996
- 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:4852
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4852 -s 468
    3⤵
    - Program crash
    PID:3040

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 4852 -ip 4852
1⤵
PID:4508

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 16.0MB
SHA256 165aedf6c98aefb2eac621f3fc800bf4176c1f227dbf5e580549b3adf841949b
MD5 20c8eecb79a56b4ebe917f7fe72d2839
SHA1 789477804124028c1ff9dd9d2a6e3fce57d531e5
SHA512 21ff637948565fcd2c81dc842931077e6c0804fc94b46266f4b8dd4721e7a17099a6b49563b543e9348e145ce10a7236cb2d5f67516e2968fa85618f50d99590
SSDEEP 98304:9nZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZv:v
TLSH
T1C9F6033212B71012048E49491B9F4F87AD7DAAF76EF9BE68488AD4CC2ECF4D6D0D1935
MD5 SHA1 SHA512 SSDEEP TLSH

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