b0403673121a9a1415b940ec052d90a894aa5a403c7cba1e5cffc5bf6c59a52c

Analysis

max time kernel
149s
max time network
147s
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, 00:12

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General

Target
2026-07-29_3d73c1ab8255b73893f6ed087769ca7a_elex_wannacry.exe
Size 26.0MB
Sample260730-ahn4eaaj51
SHA256 b0403673121a9a1415b940ec052d90a894aa5a403c7cba1e5cffc5bf6c59a52c
MD5 3d73c1ab8255b73893f6ed087769ca7a
SHA1 b362ecab79377272c848e7c289b520b5bb13de0b
SHA512 9638348e06d5522cfb95709797fc94298f81d58f337c7838ec9948b5e4b665ac194f671db99d3e6415f6a11fbc2a3ce163242ea73f543cc7f2d265f9db2a1adf
SSDEEP 12288:j4NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNs:j/
TLSH
T19357C8430014C59C1B76E6ADA5EC85D49F2B59B7B924C33325184BF5A8EE3C48FB8EB1
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
5076	lsass.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\Microsoft Shared V\lsass.exe	2026-07-29_3d73c1ab8255b73893f6ed087769ca7a_elex_wannacry.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared V\lsass.exe	2026-07-29_3d73c1ab8255b73893f6ed087769ca7a_elex_wannacry.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5772	5076	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	2026-07-29_3d73c1ab8255b73893f6ed087769ca7a_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsass.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2876	2026-07-29_3d73c1ab8255b73893f6ed087769ca7a_elex_wannacry.exe
5076	lsass.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 2876 wrote to memory of 5076	2876	2026-07-29_3d73c1ab8255b73893f6ed087769ca7a_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-07-29_3d73c1ab8255b73893f6ed087769ca7a_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-29_3d73c1ab8255b73893f6ed087769ca7a_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:2876
- C:\Program Files\Common Files\Microsoft Shared V\lsass.exe
  1
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:5076
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5076 -s 472
    3⤵
    - Program crash
    PID:5772

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 5076 -ip 5076
1⤵
PID:2976

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 V\lsass.exe
Size 39.5MB
SHA256 6b4eec1620b5692909f41afbe19d9beb69a43da8c7abd7e11e05bfce3ae8d5e9
MD5 c67864595a60c6ca76c9d31c4bc8c060
SHA1 64b06d3d02e57f512f0130c813f5258be67c9d10
SHA512 2126f46145dbc0d23cbb18f7fa1e02baf9d8a38368f89cc180495a78e9495a8f8946663d97a4e7c626f5cbab568b5e4a50864279f47b48133a9472207a774ffe
SSDEEP 12288:j4NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNq:jB
TLSH
T19A97D7D70114D2A41776DAEDB0DE83A24F1A35A7F9A8432356488B72FCDE3C48B71972
MD5 SHA1 SHA512 SSDEEP TLSH

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