0161fadaf3e6856295206656279318ec0e55e8943c45246d26b31b75abe7dbea

Analysis

max time kernel
150s
max time network
146s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260710-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
03/08/2026, 02:19

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General

Target
2026-08-03_ab77a2f13b37d49857e76157566cb8b3_elex_wannacry.exe
Size 31.9MB
Sample260803-csdfrsap8s
SHA256 0161fadaf3e6856295206656279318ec0e55e8943c45246d26b31b75abe7dbea
MD5 ab77a2f13b37d49857e76157566cb8b3
SHA1 d74ac37c269e307af9761384bc474d47190dd9a0
SHA512 78f9a05ea5a70cb71c3c0ff055daffc001d04c801a400abd9e2c944fa70a3b3a3a0395501307cbeeecf5ff750ae2052560a71eddde586d3daea563d2ed91cef1
SSDEEP 98304:9nZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZK:K
TLSH
T1DC77DA594DA8B3E33195ECAE82B274BF842777C01062AFF9F2C7F408A999D4344E6D45
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3816	lsass.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\Microsoft Shared W\lsass.exe	2026-08-03_ab77a2f13b37d49857e76157566cb8b3_elex_wannacry.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared W\lsass.exe	2026-08-03_ab77a2f13b37d49857e76157566cb8b3_elex_wannacry.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3892	3816	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_ab77a2f13b37d49857e76157566cb8b3_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsass.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4380	2026-08-03_ab77a2f13b37d49857e76157566cb8b3_elex_wannacry.exe
3816	lsass.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4380 wrote to memory of 3816	4380	2026-08-03_ab77a2f13b37d49857e76157566cb8b3_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-03_ab77a2f13b37d49857e76157566cb8b3_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-03_ab77a2f13b37d49857e76157566cb8b3_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:4380
- C:\Program Files\Common Files\Microsoft Shared W\lsass.exe
  1
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:3816
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3816 -s 468
    3⤵
    - Program crash
    PID:3892

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 3816 -ip 3816
1⤵
PID:4484

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 W\lsass.exe
Size 46.7MB
SHA256 c276e4ec8467c5405fb03f882ae091cedeef7bb7b76e8744698021a8c0706b1d
MD5 10abc3b38742687bad8dab463d1390b3
SHA1 6979693282c4fb0f46b6248c9fa39979e6a262cb
SHA512 5e96672d26e5cb4e2c46ed70dbb329e6ce315c2e0267bf5d198c50dbee0667e3c1278eb5f43a61849d4b9a9ae582c9e6c8bfc8996c6252e7cf1cf788de599a50
SSDEEP 98304:9nZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZR:R
TLSH
T106B7F8986894F3D732C2BCBF89F138B58873378014A3DBE5744BA048ADCAD6754F6946
MD5 SHA1 SHA512 SSDEEP TLSH

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