8dc506874f78e3a042a301e0e52cf9f5b7e3b30f936785656c7ffb19e8165a82

Analysis

max time kernel
149s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
31/07/2026, 02:56

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General

Target
2026-07-31_73cf24d2f1d8655f603d5c535fbd2bad_elex_wannacry.exe
Size 31.4MB
Sample260731-de62labf57
SHA256 8dc506874f78e3a042a301e0e52cf9f5b7e3b30f936785656c7ffb19e8165a82
MD5 73cf24d2f1d8655f603d5c535fbd2bad
SHA1 43e2dc83ed619f81ca4dabf63b674f74c1995bba
SHA512 2e6395a2701b0d023708482a076ee62a19482f3e8ad1b7f231e83da7baf20ae73dda7776b348f65d94b8fee013aba1fbe1e479c0f4039852f15da22b99d7baab
SSDEEP 98304:9nZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZH:H
TLSH
T1E177D818E27CE151096FC534AEE6FC64A7ED971787811FF65A05A0EE9C0BC578F882E0
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1044	lsass.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\Microsoft Shared A\lsass.exe	2026-07-31_73cf24d2f1d8655f603d5c535fbd2bad_elex_wannacry.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared A\lsass.exe	2026-07-31_73cf24d2f1d8655f603d5c535fbd2bad_elex_wannacry.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
980	1044	WerFault.exe	85

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	2026-07-31_73cf24d2f1d8655f603d5c535fbd2bad_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsass.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
5008	2026-07-31_73cf24d2f1d8655f603d5c535fbd2bad_elex_wannacry.exe
1044	lsass.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 5008 wrote to memory of 1044	5008	2026-07-31_73cf24d2f1d8655f603d5c535fbd2bad_elex_wannacry.exe	85

C:\Users\Admin\AppData\Local\Temp\2026-07-31_73cf24d2f1d8655f603d5c535fbd2bad_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-31_73cf24d2f1d8655f603d5c535fbd2bad_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:5008
- C:\Program Files\Common Files\Microsoft Shared A\lsass.exe
  1
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:1044
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1044 -s 420
    3⤵
    - Program crash
    PID:980

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1044 -ip 1044
1⤵
PID:4248

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 A\lsass.exe
Size 45.1MB
SHA256 0eff1460c5752078cce106419645b426f38dd76d8e8f50bde666a0f52761d5ba
MD5 73636810dc94f5b40d15ac515b6e31aa
SHA1 c8166ed0d2e6ef64658fa2a81740230f265fff55
SHA512 7f441f289cbb6f5f56f284f1426cc8800a8255fff9c1d1569d76a1d44662257e95bad1f1a29d6650f1e0bfcde147021fefef827cc5d1b41e69e30579d4bef217
SSDEEP 98304:9nZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ6:6
TLSH
T1DDA74A34A21CD2134D39EA34ACFBFC6075BDAE514B836FF2976241E98D0AC5B9784391
MD5 SHA1 SHA512 SSDEEP TLSH

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