98a1b8c94311f4394c827da53e2d729c3e71b004f35dca0dca588b074d8759dc

Analysis

max time kernel
149s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260630-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260630-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
03/07/2026, 03:09

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General

Target
2026-07-03_43da65183bca04b2712ac16f60b9b9c3_elex_wannacry.exe
Size 16.3MB
Sample260703-dntsmafx2m
SHA256 98a1b8c94311f4394c827da53e2d729c3e71b004f35dca0dca588b074d8759dc
MD5 43da65183bca04b2712ac16f60b9b9c3
SHA1 071096fb1008a643fed960dd7c9395d9a1564653
SHA512 45a57317ead6e44d82bf0608e27683a8e2c21dcf92735ffff6f71cf03fc8951f7d0d1abaa86cd6c2fcbbc0cc3c82c253ecf8904d3ff143c73f6ed317e434b7f4
SSDEEP 12288:j4NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNU:jP
TLSH
T15707032984078B0D672677650AE6675D3B71CA7BFCE3580BBAD30C3C92C5ACB25124E7
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1744	lsass.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\Microsoft Shared R\lsass.exe	2026-07-03_43da65183bca04b2712ac16f60b9b9c3_elex_wannacry.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared R\lsass.exe	2026-07-03_43da65183bca04b2712ac16f60b9b9c3_elex_wannacry.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2764	1744	WerFault.exe	88

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	lsass.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-07-03_43da65183bca04b2712ac16f60b9b9c3_elex_wannacry.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3584	2026-07-03_43da65183bca04b2712ac16f60b9b9c3_elex_wannacry.exe
1744	lsass.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 3584 wrote to memory of 1744	3584	2026-07-03_43da65183bca04b2712ac16f60b9b9c3_elex_wannacry.exe	88

C:\Users\Admin\AppData\Local\Temp\2026-07-03_43da65183bca04b2712ac16f60b9b9c3_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-03_43da65183bca04b2712ac16f60b9b9c3_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:3584
- C:\Program Files\Common Files\Microsoft Shared R\lsass.exe
  1
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:1744
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1744 -s 472
    3⤵
    - Program crash
    PID:2764

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 400 -p 1744 -ip 1744
1⤵
PID:3232

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 R\lsass.exe
Size 29.9MB
SHA256 f3a4c65653459af5fdf69fee02aaedae4d1b2444d9fd62c25060e026ee6775c3
MD5 d2c350e9c2c41c4dc1836042ef097d90
SHA1 2a5163fbea0c5b207a39303f7b140ece8e40a860
SHA512 ee456e00c65c04f8354d23d8c987b2a900312ea6fa6891d138dab2ff3677d068b65a488ec0a7de14e7f6ffa0d4002cbdf2289c2f52c1fb03d1f8678626a11274
SSDEEP 24576:jfVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVY:jC
TLSH
T14067B71603CB1719635A3B06085756993BB0EF76B8E7450777F24D7CA2A86CB2B27383
MD5 SHA1 SHA512 SSDEEP TLSH

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