4732febeb9a5175e2e0877bae0bae9e9c6484c7138fd4d20bbc68889c9a18283

Analysis

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

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
10/08/2026, 01:52

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General

Target
2026-08-10_d562f529df854575fcce9a798e2c7577_elex_wannacry.exe
Size 24.3MB
Sample260810-cassqsyfld
SHA256 4732febeb9a5175e2e0877bae0bae9e9c6484c7138fd4d20bbc68889c9a18283
MD5 d562f529df854575fcce9a798e2c7577
SHA1 334a488600b79e62e0cfa3520a754df39e74c0d9
SHA512 aa4e0b719160809598dbce3cd627e79f34ffdaf69b14640eefdbc511d5181269485fa6cd5bf7f93a7451954f07e174743247befc34206a2da5e4b3caa77095d0
SSDEEP 3072:XxDLOilJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJ8:XxHOiy
TLSH
T1D347C7CC9A64D9C4A9CBEDCB0DCE289D79AB65D12F003548177EF6728881207F0B6B75
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
5868	lsass.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\Microsoft Shared D\lsass.exe	2026-08-10_d562f529df854575fcce9a798e2c7577_elex_wannacry.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared D\lsass.exe	2026-08-10_d562f529df854575fcce9a798e2c7577_elex_wannacry.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1092	5868	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	2026-08-10_d562f529df854575fcce9a798e2c7577_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsass.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4132	2026-08-10_d562f529df854575fcce9a798e2c7577_elex_wannacry.exe
5868	lsass.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4132 wrote to memory of 5868	4132	2026-08-10_d562f529df854575fcce9a798e2c7577_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-10_d562f529df854575fcce9a798e2c7577_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-10_d562f529df854575fcce9a798e2c7577_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:4132
- C:\Program Files\Common Files\Microsoft Shared D\lsass.exe
  1
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:5868
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5868 -s 276
    3⤵
    - Program crash
    PID:1092

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 5868 -ip 5868
1⤵
PID:3432

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 D\lsass.exe
Size 37.6MB
SHA256 fc954a7fdce612743bd35835161997ae97437e0d8e5b696af4057a8a28411fb2
MD5 861cb4fd7b327bbb0e97eb4ab38f29f3
SHA1 5fd1d206a6ee07f4447ddf0e81dd2e629b6e0522
SHA512 ad6dcb86ab3babb20266bd4c4e66ab55db7c5e89484d1277d7eaa0ad012b621323163e2f37f0d89607c1b02455022d82f810eeec7ea2b09a4347bdb05cb21c33
SSDEEP 3072:XxDLOilJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJ3:XxHOiV
TLSH
T12A87C889C674D5C0EECBECCB0BDE268DBD2778C11F23694167F8F5129C8168660297AD
MD5 SHA1 SHA512 SSDEEP TLSH

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