4d2e43ddb3cd073c9ee42bbdbf09d5d3d453ced50477899dc96cd402dcdd6fc9

Analysis

max time kernel
149s
max time network
134s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
03/08/2026, 02:45

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General

Target
2026-08-03_45136bd5f661b5953f024abffe1193e0_elex_wannacry.exe
Size 17.0MB
Sample260803-c8yrmsxbkb
SHA256 4d2e43ddb3cd073c9ee42bbdbf09d5d3d453ced50477899dc96cd402dcdd6fc9
MD5 45136bd5f661b5953f024abffe1193e0
SHA1 002ddda3b5b491fa015bf342d4604aa08037be38
SHA512 81eff86fe10d7255d14796c0d841670f2bb2428431ae5eb1ca442c5ee9c943bddcdaf09cc92b4183b4510065a3d8eead5e9e796f9db784d844d707affd88b597
SSDEEP 12288:FOCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCU:Fi
TLSH
T1710721210204B246B77D507FB7A8AFA29EFF37047E8525BD2A96534FC0342ED2562E1D
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
6104	lsass.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\Microsoft Shared M\lsass.exe	2026-08-03_45136bd5f661b5953f024abffe1193e0_elex_wannacry.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared M\lsass.exe	2026-08-03_45136bd5f661b5953f024abffe1193e0_elex_wannacry.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4208	6104	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	2026-08-03_45136bd5f661b5953f024abffe1193e0_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsass.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3520	2026-08-03_45136bd5f661b5953f024abffe1193e0_elex_wannacry.exe
6104	lsass.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 3520 wrote to memory of 6104	3520	2026-08-03_45136bd5f661b5953f024abffe1193e0_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-03_45136bd5f661b5953f024abffe1193e0_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-03_45136bd5f661b5953f024abffe1193e0_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:3520
- C:\Program Files\Common Files\Microsoft Shared M\lsass.exe
  1
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:6104
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 6104 -s 468
    3⤵
    - Program crash
    PID:4208

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 6104 -ip 6104
1⤵
PID:704

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 M\lsass.exe
Size 29.3MB
SHA256 89480d1f1514bf84711a96a4a006fa42781a67f7b6ab8719878840836ff884eb
MD5 1d701f5839c582cadd016cb12ab3b946
SHA1 e24a747a20f80dfa46e2f041a90dd752922ff237
SHA512 d7c291322faf67366c780d3ff638fb0548f11d16a3ee8f170432defd89d882bc0a31672b4e9bf85a149329a458c156c1f6d5a8f29397b1c1296dac466d4288a3
SSDEEP 12288:FOCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCP:FF
TLSH
T12667A8A70904B1419BBB507E7BD87E5AECEF7340BC85265E868B532F81322FE21B151D
MD5 SHA1 SHA512 SSDEEP TLSH

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