a56097c6b651f2e3614c6504472460cfd4b0aa0e4c6e2a4ce02ee0b7369216d9

Analysis

max time kernel
149s
max time network
95s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
22/05/2026, 02:45

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General

Target
2026-05-22_3f7b9d84e01cd90d451591d63bff0769_elex_wannacry.exe
Size 16.9MB
Sample260522-c888dacy2j
SHA256 a56097c6b651f2e3614c6504472460cfd4b0aa0e4c6e2a4ce02ee0b7369216d9
MD5 3f7b9d84e01cd90d451591d63bff0769
SHA1 ded996a61a50b45a356091bbb33aa92a587241d5
SHA512 dc8093763055b6e15f18f663998bb194648a720124a1958ee9bd26d724bd5355024d7d5693336780e67e55747382c4c9158602c33770d9f81c17a4b06096fc10
SSDEEP 12288:j4NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNi:jX
TLSH
T1E007215CDD871C084F4290E0DA0187D9EC8E1B2AAE17C15678B53E6F8DC7E1A793F926
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1576	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	2026-05-22_3f7b9d84e01cd90d451591d63bff0769_elex_wannacry.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared V\lsass.exe	2026-05-22_3f7b9d84e01cd90d451591d63bff0769_elex_wannacry.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4672	1576	WerFault.exe	81

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	2026-05-22_3f7b9d84e01cd90d451591d63bff0769_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsass.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2340	2026-05-22_3f7b9d84e01cd90d451591d63bff0769_elex_wannacry.exe
1576	lsass.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 2340 wrote to memory of 1576	2340	2026-05-22_3f7b9d84e01cd90d451591d63bff0769_elex_wannacry.exe	81

C:\Users\Admin\AppData\Local\Temp\2026-05-22_3f7b9d84e01cd90d451591d63bff0769_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-05-22_3f7b9d84e01cd90d451591d63bff0769_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:2340
- 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:1576
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1576 -s 432
    3⤵
    - Program crash
    PID:4672

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1576 -ip 1576
1⤵
PID:4908

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 30.5MB
SHA256 8f0ed5ff7d083782b1a923ca12f96882fbdacb159165dee793c22491e101e19d
MD5 ac50e13508e245f428bd067e53a5eab0
SHA1 2e4603569a2abf398f4c79d4f646a9435eece480
SHA512 7c8486fae475534b65bc32f629a763f8a2faf5e7dcccd3e2553fbb9930a2247f6b2af06633c73a6a8fdf7dafe3ad152370a3732e984719e07d50a7f10a07b908
SSDEEP 12288:j4NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNW:jL
TLSH
T11167552CC4465C6C6A41C5D0CA01F6E5EC4F311DEF2BCA9678762E2F4E67A04B93F91A
MD5 SHA1 SHA512 SSDEEP TLSH

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