8a3c5876d226b1beeffd0ea7e3fd242b1c919b838dc6a82b46fe8fff90eda3a7

Analysis

max time kernel
150s
max time network
124s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260706-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
09/07/2026, 01:41

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General

Target
2026-07-09_fafa4fff54cf2c3f0bbee1442e6d4086_elex_wannacry.exe
Size 44.4MB
Sample260709-b4csyact41
SHA256 8a3c5876d226b1beeffd0ea7e3fd242b1c919b838dc6a82b46fe8fff90eda3a7
MD5 fafa4fff54cf2c3f0bbee1442e6d4086
SHA1 792f8d29b0ca675f1e13594bd3d193a31a32282a
SHA512 55bcc91a45bb8380d7f9ccd0925fd164921c008add0d954876c9214fc595bb3e50748170f6f273ed2fb615f928c4fb2c8ffd3d9ef0ef59e8b44707f7977f4902
SSDEEP 12288:j4NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNA:jf
TLSH
T145A72B74B153F432CC15BDEF059D274B32ED3D925E3ABA82E2B5A191E01EAA11464FF0
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1092	lsass.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\Microsoft Shared H\lsass.exe	2026-07-09_fafa4fff54cf2c3f0bbee1442e6d4086_elex_wannacry.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared H\lsass.exe	2026-07-09_fafa4fff54cf2c3f0bbee1442e6d4086_elex_wannacry.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1500	1092	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	2026-07-09_fafa4fff54cf2c3f0bbee1442e6d4086_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsass.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2752	2026-07-09_fafa4fff54cf2c3f0bbee1442e6d4086_elex_wannacry.exe
1092	lsass.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 2752 wrote to memory of 1092	2752	2026-07-09_fafa4fff54cf2c3f0bbee1442e6d4086_elex_wannacry.exe	88

C:\Users\Admin\AppData\Local\Temp\2026-07-09_fafa4fff54cf2c3f0bbee1442e6d4086_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-09_fafa4fff54cf2c3f0bbee1442e6d4086_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:2752
- C:\Program Files\Common Files\Microsoft Shared H\lsass.exe
  1
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:1092
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1092 -s 472
    3⤵
    - Program crash
    PID:1500

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1092 -ip 1092
1⤵
PID:3624

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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