044a15c6a3ffdd7684b1753914a989cc6295482f7e47fa4355de27d36886e6e1

Analysis

max time kernel
150s
max time network
154s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
01/08/2026, 02:50

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General

Target
2026-08-01_a8a697ea82671b88292cc74e9c42c4dc_elex_wannacry.exe
Size 17.4MB
Sample260801-dbrshavvbz
SHA256 044a15c6a3ffdd7684b1753914a989cc6295482f7e47fa4355de27d36886e6e1
MD5 a8a697ea82671b88292cc74e9c42c4dc
SHA1 bd0c36f30f5ad4b81450b49a638e04cc73541d76
SHA512 a43344cb94f9c25a70a1ca3b5bd96011fe6e098658650ca2ca481cafb4af5fbbaf7fa10fda4bf39874f02c0ec959df0d4bbf7e460cfb574e68bc3527e121e5db
SSDEEP 98304:9nZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZv:v
TLSH
T14907B7A157084645EF82AB9C943ED5CE4CFF94F9244853CBCAAF28E40DC94C9C6E1B5E
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3176	lsass.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\Microsoft Shared C\lsass.exe	2026-08-01_a8a697ea82671b88292cc74e9c42c4dc_elex_wannacry.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared C\lsass.exe	2026-08-01_a8a697ea82671b88292cc74e9c42c4dc_elex_wannacry.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4584	3176	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	2026-08-01_a8a697ea82671b88292cc74e9c42c4dc_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsass.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2876	2026-08-01_a8a697ea82671b88292cc74e9c42c4dc_elex_wannacry.exe
3176	lsass.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 2876 wrote to memory of 3176	2876	2026-08-01_a8a697ea82671b88292cc74e9c42c4dc_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-01_a8a697ea82671b88292cc74e9c42c4dc_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-01_a8a697ea82671b88292cc74e9c42c4dc_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 C\lsass.exe
  1
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:3176
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3176 -s 468
    3⤵
    - Program crash
    PID:4584

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 3176 -ip 3176
1⤵
PID:3396

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 C\lsass.exe
Size 30.4MB
SHA256 87893d34a0f2ca46e8b13efeef798b62d35f2cbc039c5e629195e9669a1c7109
MD5 835909fb386d0403b5d6315c3474e84e
SHA1 7bd1c63f9f21951a30bbf948e73ec63b232ac856
SHA512 eed7c5819c92da9a96c9bef1d5e3a268f13888f7a10d8431945e430284834422177247127cca47219e6085a631bd759bcb84c57c8787b6cc2823cc9255353db9
SSDEEP 98304:9nZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZA:A
TLSH
T1FB67C6B816494582EFC7BB1D9037F1DB58EF48F468086297DAEB2C645DCA0C640D2F6E
MD5 SHA1 SHA512 SSDEEP TLSH

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