d5a051a045686e0014392b3d0da24d1fa62d9e7f99c8b1a769a75ae807e242c0

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
30/07/2026, 00:00

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General

Target
2026-07-29_94765476cc14515c3e830a26702c8655_elex_wannacry.exe
Size 23.4MB
Sample260730-aarvbsgh92
SHA256 d5a051a045686e0014392b3d0da24d1fa62d9e7f99c8b1a769a75ae807e242c0
MD5 94765476cc14515c3e830a26702c8655
SHA1 8ac6ef09db718ae79b6d5ff42518b33a743295c6
SHA512 4dca488706dcc53f91dc266e11892f792aa3e256edaef5bd6e54aea6fb7619b9fe19d8fc03f2f0a0bd545e72e9a9951b7fd000f2bc630822e16c3cddf609f9ed
SSDEEP 384:zLMiPJznj7+1gfSw2g2I1r8UTEjSgkWUKpQq6F2525252525252525252525252R:zLPJznj7Ia2ghrDTSiWd
TLSH
T1103762911A4EE395E5FECCB483C60AA50F9B2B00D617612DEC077F454F0A1B79B6C9E2
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4464	lsass.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\Microsoft Shared K\lsass.exe	2026-07-29_94765476cc14515c3e830a26702c8655_elex_wannacry.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared K\lsass.exe	2026-07-29_94765476cc14515c3e830a26702c8655_elex_wannacry.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3256	4464	WerFault.exe	88

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	2026-07-29_94765476cc14515c3e830a26702c8655_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsass.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3912	2026-07-29_94765476cc14515c3e830a26702c8655_elex_wannacry.exe
4464	lsass.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 3912 wrote to memory of 4464	3912	2026-07-29_94765476cc14515c3e830a26702c8655_elex_wannacry.exe	88

C:\Users\Admin\AppData\Local\Temp\2026-07-29_94765476cc14515c3e830a26702c8655_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-29_94765476cc14515c3e830a26702c8655_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:3912
- C:\Program Files\Common Files\Microsoft Shared K\lsass.exe
  1
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:4464
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4464 -s 468
    3⤵
    - Program crash
    PID:3256

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 4464 -ip 4464
1⤵
PID:5984

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 K\lsass.exe
Size 38.5MB
SHA256 faf07a42ab346132b8798ddcaf77b32acd82696b1f7bd8d8912a7cc023e30fa6
MD5 dc205f5c3685cda0a4dff508b289c250
SHA1 d08e2c61daa77010dbd780217b92e8996eda5ff9
SHA512 00044a9d8d05dd9ecf0c0e2cf2c5c56efaa0b4d19f1190bf4c0a61fe42d16acf6560443795455bd2e7cf4401001aed40abc63b203091936493fbb406f745c910
SSDEEP 24576:FPKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKQ:F9
TLSH
T17A97D862294EDAA6E5FFCD71E1C205F31A975B044253712EDC272F8D8F0E4275A2C9E2
MD5 SHA1 SHA512 SSDEEP TLSH

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