f1d182d19d49e7867fe1c37ea61f4e625faf9b4e68845e37bc0726b31a970bba

Analysis

max time kernel
150s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260710-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
06/08/2026, 02:18

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General

Target
2026-08-05_51cbcff2e43626c187ee133a5bb7e7fd_elex_wannacry.exe
Size 17.3MB
Sample260806-cra91s1gmc
SHA256 f1d182d19d49e7867fe1c37ea61f4e625faf9b4e68845e37bc0726b31a970bba
MD5 51cbcff2e43626c187ee133a5bb7e7fd
SHA1 bd8fece061520eed4ec431f14d62692ab1fc7537
SHA512 5ca4b0812efef8fc9a6c7238d8d8d6f726e74e645766172705b244bdb13a26a8f2ef0da28a9c6609665239eba346fb7d09863a38f0d897698ea054b869ab13cf
SSDEEP 12288:j4NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN5:jW
TLSH
T1080774374ED2D1A58A17039A0F84DAE3E9AC84789E3D62D34205B94B8DC0F3D99D7E47
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
5708	lsass.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\Microsoft Shared E\lsass.exe	2026-08-05_51cbcff2e43626c187ee133a5bb7e7fd_elex_wannacry.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared E\lsass.exe	2026-08-05_51cbcff2e43626c187ee133a5bb7e7fd_elex_wannacry.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5544	5708	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	2026-08-05_51cbcff2e43626c187ee133a5bb7e7fd_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsass.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1980	2026-08-05_51cbcff2e43626c187ee133a5bb7e7fd_elex_wannacry.exe
5708	lsass.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 1980 wrote to memory of 5708	1980	2026-08-05_51cbcff2e43626c187ee133a5bb7e7fd_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-05_51cbcff2e43626c187ee133a5bb7e7fd_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-05_51cbcff2e43626c187ee133a5bb7e7fd_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:1980
- C:\Program Files\Common Files\Microsoft Shared E\lsass.exe
  1
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:5708
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5708 -s 472
    3⤵
    - Program crash
    PID:5544

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 392 -p 5708 -ip 5708
1⤵
PID:1448

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 E\lsass.exe
Size 30.5MB
SHA256 5e31122bd6360ae25531138064b353be5f89ff2a9c447fb30b421ad0838c40f2
MD5 265f30eecf6da3ae1b45fd6787bac56c
SHA1 57bc81ce80ae8e391dffb848cbfb3eb80f0a2c3b
SHA512 76e906e2ba6b07462b156ac3459058672929e44c4ee284eff13a919babc5c5cb8acbf97a39f8f018501b4a0fb8472f6f722219696a7fa9bce8def91cc10ead31
SSDEEP 12288:j4NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNQ:jR
TLSH
T1AA6785239947C6A5C74357BA6F40CDD3849848B499BCA2D2820DE9CE4CC5F29CBD4F9B
MD5 SHA1 SHA512 SSDEEP TLSH

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