eec07d8abc2989e0b34f10ef075f27bbab7f361ec1219beb4ff16d06e702d815

Analysis

max time kernel
150s
max time network
136s
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, 02:25

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General

Target
2026-08-08_ef2f4b119048eabf6c587342dd657291_elex_wannacry.exe
Size 16.4MB
Sample260808-cwrgss1vbz
SHA256 eec07d8abc2989e0b34f10ef075f27bbab7f361ec1219beb4ff16d06e702d815
MD5 ef2f4b119048eabf6c587342dd657291
SHA1 57de07fe073c0b8f15fdcbde13d97fa9fbf8a067
SHA512 79496f7c2bd0578e0fcc5a7866c0a1f7739957711b960f320663eb05d3fbce56292b3f753bf539962fb436fad7eb43c653ee4b99fe106f08ff5778948aa02f73
SSDEEP 98304:9nZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZI:I
TLSH
T11307767272AF8047037F551757DFE25209F089C9AEF252604EEE1DA2136E3221CB6BD6
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4228	lsass.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\Microsoft Shared Y\lsass.exe	2026-08-08_ef2f4b119048eabf6c587342dd657291_elex_wannacry.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared Y\lsass.exe	2026-08-08_ef2f4b119048eabf6c587342dd657291_elex_wannacry.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4748	4228	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	2026-08-08_ef2f4b119048eabf6c587342dd657291_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsass.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4660	2026-08-08_ef2f4b119048eabf6c587342dd657291_elex_wannacry.exe
4228	lsass.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4660 wrote to memory of 4228	4660	2026-08-08_ef2f4b119048eabf6c587342dd657291_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-08_ef2f4b119048eabf6c587342dd657291_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-08_ef2f4b119048eabf6c587342dd657291_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:4660
- C:\Program Files\Common Files\Microsoft Shared Y\lsass.exe
  1
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:4228
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4228 -s 468
    3⤵
    - Program crash
    PID:4748

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 4228 -ip 4228
1⤵
PID:4736

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 Y\lsass.exe
Size 28.3MB
SHA256 f3e503037310216e9946ae60976c38c718aac98ae57411f8ca35aaff138f2b72
MD5 29367b7a3ff193e3d8776f4d3342266a
SHA1 860eb372429f37ee1a21db75dd2e66c580088e02
SHA512 2b6741e3a00c989f1e9f6fc8d90f625c156280eaad7493e51108e1557dce2d10710b6af86d06fba7ac7c7fd72a0309e24ae23f758871e26c8e95a361c9aadb97
SSDEEP 98304:9nZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ4:4
TLSH
T1F4577773F6DF0183032F892353CBF19689714599AEF259918EBA1E93539531228C7EE3
MD5 SHA1 SHA512 SSDEEP TLSH

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