a54585e49fcc189ff6d4c1d1c4d007ea9fe74b2803f045b30ef4dd9bc8082d5c

Analysis

max time kernel
150s
max time network
126s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
27/08/2026, 19:48

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General

Target
2026-08-27_35a0355ca3954029b72600d0a2b3049b_elex_wannacry.exe
Size 21.5MB
Sample260827-yjgbyszgqd
SHA256 a54585e49fcc189ff6d4c1d1c4d007ea9fe74b2803f045b30ef4dd9bc8082d5c
MD5 35a0355ca3954029b72600d0a2b3049b
SHA1 5b5a89b9ff5ab245b3de69e961ece4aab63e548e
SHA512 d8b03b2feebf0a0e4c23713cf2f96efe52db4f3938cf6d51623981d48837a36d03d258a4137c4912c1f14132e08446be2190f7a6ef3e03aeeaf0abbe198424d3
SSDEEP 98304:DjQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQD:q
TLSH
T17037D98A499BE16E8B3C00201F4C75E7B6D4E25ED6AE472ECC1804EE428725F1FB5DD6
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3264	lsass.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\Microsoft Shared T\lsass.exe	2026-08-27_35a0355ca3954029b72600d0a2b3049b_elex_wannacry.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared T\lsass.exe	2026-08-27_35a0355ca3954029b72600d0a2b3049b_elex_wannacry.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4148	3264	WerFault.exe	90

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	2026-08-27_35a0355ca3954029b72600d0a2b3049b_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsass.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4840	2026-08-27_35a0355ca3954029b72600d0a2b3049b_elex_wannacry.exe
3264	lsass.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4840 wrote to memory of 3264	4840	2026-08-27_35a0355ca3954029b72600d0a2b3049b_elex_wannacry.exe	90

C:\Users\Admin\AppData\Local\Temp\2026-08-27_35a0355ca3954029b72600d0a2b3049b_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-27_35a0355ca3954029b72600d0a2b3049b_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:4840
- C:\Program Files\Common Files\Microsoft Shared T\lsass.exe
  1
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:3264
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3264 -s 468
    3⤵
    - Program crash
    PID:4148

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 3264 -ip 3264
1⤵
PID:4580

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 T\lsass.exe
Size 33.3MB
SHA256 6419e86152ec3f7bef655d5726be31326480995a128b45bc82af7a1f8b331f3e
MD5 91a45d5f4cb43b05b7219d9a7c7225bd
SHA1 0fb848a9e79ecf4c0f8aac06404b93fd2d812045
SHA512 914042e5730ec4a43d3ca2a0ad4c8b82296cb1b05ef954a200c7ec8e131b5f6345b0061188559129a5fd1f667ae5ab2264b9d6fe9e0b30a702c25f16acafc36c
SSDEEP 98304:DjQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQS:B
TLSH
T1E27708DA8D86A26FD53D02201F0CB5DF5EE5E3EAD27DC229CC0884D827A94971F42DD6
MD5 SHA1 SHA512 SSDEEP TLSH

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