d8b6fad5dcc4862e0a1d419dc4c4f6e181ebeca8cb8da4e93412df56710087a7

Analysis

max time kernel
150s
max time network
133s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
28/07/2026, 04:48

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General

Target
2026-07-28_4c2ccf812f1bf71e5b6d79792d222a0b_elex_wannacry.exe
Size 18.3MB
Sample260728-fffbdabk6y
SHA256 d8b6fad5dcc4862e0a1d419dc4c4f6e181ebeca8cb8da4e93412df56710087a7
MD5 4c2ccf812f1bf71e5b6d79792d222a0b
SHA1 a3fba5e7683afe8986855b6e54b04d62d8f6948e
SHA512 1a9769d002e53700fec61f77368b6dc1d818cff86a04f76190e5209767c7bcf460e4b9a41d28521acfb09833495fe0c41953315331e9a5ff950dfa547b4e8670
SSDEEP 393216:1ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffy:0
TLSH
T1BF17A69F76AE34262C9374E546A5D48D0C13CDC42F4DF99B2B7221801C6C9EBF399B4A
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4476	lsass.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\Microsoft Shared S\lsass.exe	2026-07-28_4c2ccf812f1bf71e5b6d79792d222a0b_elex_wannacry.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared S\lsass.exe	2026-07-28_4c2ccf812f1bf71e5b6d79792d222a0b_elex_wannacry.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1464	4476	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	2026-07-28_4c2ccf812f1bf71e5b6d79792d222a0b_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsass.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
488	2026-07-28_4c2ccf812f1bf71e5b6d79792d222a0b_elex_wannacry.exe
4476	lsass.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 488 wrote to memory of 4476	488	2026-07-28_4c2ccf812f1bf71e5b6d79792d222a0b_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-07-28_4c2ccf812f1bf71e5b6d79792d222a0b_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-28_4c2ccf812f1bf71e5b6d79792d222a0b_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:488
- C:\Program Files\Common Files\Microsoft Shared S\lsass.exe
  1
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:4476
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4476 -s 480
    3⤵
    - Program crash
    PID:1464

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 4476 -ip 4476
1⤵
PID:3144

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 S\lsass.exe
Size 31.2MB
SHA256 907b53792a1fd9b55251c66ff1202d5ee2676bc4d2b0e314afaff8945e0e040e
MD5 6a1b71f454bd594e9511d16f99a30986
SHA1 6a52e2729001aa61327adce47af16ad5c08d7a2b
SHA512 e49f2525e87702456e558fa6760bb0799bd9fe023a63c1580a7b98149ae6e790391da7f66fec4a8017155a0997d5827a5d54c1a888228e2101ae1f6e7654344b
SSDEEP 393216:1ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffm:w
TLSH
T1EE67196A7A1A78BA1DD3B2F904F5942C2C17CD51ABAD7F1F8772D2811008EE7B348D46
MD5 SHA1 SHA512 SSDEEP TLSH

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