fedf5e70506a44cb3e54b6f6c147ed143c2d9e56f785f1233b1fc69794ac69f0

Analysis

max time kernel
149s
max time network
146s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
08/08/2026, 02:00

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General

Target
2026-08-07_0122364e0c0fa3c1b385ffdb9af9ce91_elex_wannacry.exe
Size 30.2MB
Sample260808-cff15az1gy
SHA256 fedf5e70506a44cb3e54b6f6c147ed143c2d9e56f785f1233b1fc69794ac69f0
MD5 0122364e0c0fa3c1b385ffdb9af9ce91
SHA1 a78594d40b31d5183dff75269c02fb4b59c01270
SHA512 e820dbf1a777832372d6835f2181a9e2bef8d89e238496647edb949bb4e303137935c309b921f646271251617ada2bcb6502c1df8e33d59dc62a4b26fad463a4
SSDEEP 12288:FOCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCm:Fc
TLSH
T19567C77FEAD9308CEA869ACDD06507A681D488F1C396B3BF716084552DBB44F88B531F
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
5740	lsass.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\Microsoft Shared O\lsass.exe	2026-08-07_0122364e0c0fa3c1b385ffdb9af9ce91_elex_wannacry.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared O\lsass.exe	2026-08-07_0122364e0c0fa3c1b385ffdb9af9ce91_elex_wannacry.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2332	5740	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	2026-08-07_0122364e0c0fa3c1b385ffdb9af9ce91_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsass.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3536	2026-08-07_0122364e0c0fa3c1b385ffdb9af9ce91_elex_wannacry.exe
5740	lsass.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 3536 wrote to memory of 5740	3536	2026-08-07_0122364e0c0fa3c1b385ffdb9af9ce91_elex_wannacry.exe	88

C:\Users\Admin\AppData\Local\Temp\2026-08-07_0122364e0c0fa3c1b385ffdb9af9ce91_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-07_0122364e0c0fa3c1b385ffdb9af9ce91_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:3536
- C:\Program Files\Common Files\Microsoft Shared O\lsass.exe
  1
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:5740
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5740 -s 468
    3⤵
    - Program crash
    PID:2332

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 5740 -ip 5740
1⤵
PID:3156

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 O\lsass.exe
Size 41.8MB
SHA256 49c88df06341b6f80264cf14eadeb587d7f927c77136617c13e7397d786d18cc
MD5 6a4519d1d991e0f113382a314d54ffe3
SHA1 46ba77b3b7371ad640723abe710f7ed45426553b
SHA512 71df5d9bab4cf5e9fbcbfe0fe9921071986ce0f8f515837b58711b392326009b25deec32f524aeb686e5179aac3db438147a298e135d0db2b5da3ded8ea90230
SSDEEP 12288:FOCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCl:FT
TLSH
T123A71C7FDB9A2088D6C1999DC4550AA3D1F028D0C276F36F7270C1A12EB76AFE43525B
MD5 SHA1 SHA512 SSDEEP TLSH

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