741ffe30992e4df331715f6dec4a67b32b5680826a70744bb181389be598e930

Analysis

max time kernel
149s
max time network
125s
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, 01:25

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General

Target
2026-08-07_4ca4cf952201291292c3a502ddaa1467_elex_wannacry.exe
Size 13.0MB
Sample260808-bs1qmaxdmb
SHA256 741ffe30992e4df331715f6dec4a67b32b5680826a70744bb181389be598e930
MD5 4ca4cf952201291292c3a502ddaa1467
SHA1 aa93625a564de05c0dc47466bea4faf66245ae6e
SHA512 3d5d065086fe4e5d821abedf01efbfd8beb468afe16a38eadaa7b465aa119ab1768d559a75298bcccb7c4e3ba16640d63f4d66bc16b2aa927fc1f51035b6fb05
SSDEEP 1536:XxD7O6kYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYV:XxDC6vA
TLSH
T179D6236E7ACC0505D115C1F8A2B0E92ABA74278C9DA0FD0CFD8B464A5A7AC0754F9FDC
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3924	lsass.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\Microsoft Shared C\lsass.exe	2026-08-07_4ca4cf952201291292c3a502ddaa1467_elex_wannacry.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared C\lsass.exe	2026-08-07_4ca4cf952201291292c3a502ddaa1467_elex_wannacry.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5104	3924	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	2026-08-07_4ca4cf952201291292c3a502ddaa1467_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsass.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2704	2026-08-07_4ca4cf952201291292c3a502ddaa1467_elex_wannacry.exe
3924	lsass.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 2704 wrote to memory of 3924	2704	2026-08-07_4ca4cf952201291292c3a502ddaa1467_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-07_4ca4cf952201291292c3a502ddaa1467_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-07_4ca4cf952201291292c3a502ddaa1467_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:2704
- C:\Program Files\Common Files\Microsoft Shared C\lsass.exe
  1
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:3924
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3924 -s 468
    3⤵
    - Program crash
    PID:5104

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 3924 -ip 3924
1⤵
PID:4620

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 C\lsass.exe
Size 26.5MB
SHA256 66622ed7505b88c74bae81ff63c1520fb4c606ed26455e840cb257b37041ef45
MD5 a98babfbcedfff688739f73e2dcb785a
SHA1 a73d20c286b2c07236a61fb85f2eda2b8986f2b1
SHA512 79ae05a75721e79c6c6d4b8fd34a6e344d95f590c31c128cab5c0f8d63c9edcb7682a8f9905765d79b3fcf030d2b5513189236978efadeed5e76bd78723b0206
SSDEEP 1536:XxD7O6kYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYP:XxDC6ve
TLSH
T1585777677BCC0521914C90FB76719CAFB235B3DC2760E35CBE9A0A040495CDB2DDBAA9
MD5 SHA1 SHA512 SSDEEP TLSH

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