a4b84171454f8f5da7e69b33fc8390c18e3d5ec5cb3ee66955a9d406e41b2b60

Analysis

max time kernel
150s
max time network
145s
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, 03:20

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General

Target
2026-08-02_6557482deb38a769a1798f643f00fc51_elex_wannacry.exe
Size 14.3MB
Sample260803-dvtq7sbe38
SHA256 a4b84171454f8f5da7e69b33fc8390c18e3d5ec5cb3ee66955a9d406e41b2b60
MD5 6557482deb38a769a1798f643f00fc51
SHA1 4cbba92e9a48c073cdc30b3489b6be1b5c87add1
SHA512 f7a12492afd9bf4ad6ea7d24ac3a7281427eef94d63f0ffa988dd0ac47fccece5a1a9aa06eda97fead1c8819e4e9af2f26c673cdc30f1dfad244d25f0f6d0eb6
SSDEEP 98304:9nZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZD:D
TLSH
T101E642541EE8109386429829F56DF126E4F8FB3F6053BE1145E5AB0313EFAAC6DAF113
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4032	lsass.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Common Files\Microsoft Shared B\lsass.exe	2026-08-02_6557482deb38a769a1798f643f00fc51_elex_wannacry.exe
File created	C:\Program Files\Common Files\Microsoft Shared B\lsass.exe	2026-08-02_6557482deb38a769a1798f643f00fc51_elex_wannacry.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4448	4032	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	2026-08-02_6557482deb38a769a1798f643f00fc51_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsass.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4928	2026-08-02_6557482deb38a769a1798f643f00fc51_elex_wannacry.exe
4032	lsass.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4928 wrote to memory of 4032	4928	2026-08-02_6557482deb38a769a1798f643f00fc51_elex_wannacry.exe	88

C:\Users\Admin\AppData\Local\Temp\2026-08-02_6557482deb38a769a1798f643f00fc51_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-02_6557482deb38a769a1798f643f00fc51_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:4928
- C:\Program Files\Common Files\Microsoft Shared B\lsass.exe
  1
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:4032
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4032 -s 476
    3⤵
    - Program crash
    PID:4448

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 4032 -ip 4032
1⤵
PID:4564

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 B\lsass.exe
Size 25.8MB
SHA256 2be88c3cf0d453bd30cbb25a8628979bdb167b49a501133fb1d566e3dab74fc0
MD5 ccbbdc25c7026f2fce1eb5b40613167c
SHA1 f52ee35d3bc63a70eb7973a9a14187d8fc0dfe6a
SHA512 af875aacc6a9846e757eba9a0da30107b55a10a6f3e5c8e7f76bcb831352a909cd932849bd5351bf4a799c5ae878b4347b60dd31046d35a9383586b40d5271be
SSDEEP 98304:9nZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZI:I
TLSH
T17957A4684AD45113CEC2880DE25DF305D1A8B33E50B2660625E72B7B97FE53D9EBF10A
MD5 SHA1 SHA512 SSDEEP TLSH

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