4bf5f462b796ebe19078ef5d2dc92c9d14a83f62ea01902adb2060cc9ccff0ac

Analysis

max time kernel
148s
max time network
151s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
24/08/2026, 20:46

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General

Target
2026-08-24_ef113f7094aae76f8ba671961c5df63b_elex_wannacry.exe
Size 53KB
Sample260824-zkncbstdpd
SHA256 4bf5f462b796ebe19078ef5d2dc92c9d14a83f62ea01902adb2060cc9ccff0ac
MD5 ef113f7094aae76f8ba671961c5df63b
SHA1 8d976eabe5bdc4ae415c6abd967289fef1ef190c
SHA512 92de119d88d2da22effbaded96eaf6be82c44997855c460c54e7ba1b69c10e9a55c6dadad33ef9bf27490499d0e4e3d9b5ce3066e0bebd0f4ce7097ddf36f84f
SSDEEP 1536:Kz2u4LJjBaECkLSi7xsYhaKDVSYTjipvF2Csx8:KS8ELSGSYvQd2C
TLSH
T11733D728F7D598F6E277427688B154E11532BD22BD70092F3C46330D1CB2E52ADA6E6F
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
756	opera_updater.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	2026-08-24_ef113f7094aae76f8ba671961c5df63b_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	opera_updater.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4456 wrote to memory of 756	4456	2026-08-24_ef113f7094aae76f8ba671961c5df63b_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-24_ef113f7094aae76f8ba671961c5df63b_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-24_ef113f7094aae76f8ba671961c5df63b_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4456
- C:\Users\Admin\AppData\Local\Temp\opera_updater.exe
  "C:\Users\Admin\AppData\Local\Temp\opera_updater.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:756

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

opera_updater.exe

Path C:\Users\Admin\AppData\Local\Temp\opera_updater.exe
Size 53KB
SHA256 82189e378bf1c0c6f6f79e8df5d1b11e9fe7d9b75ca33758745b796eafcccce6
MD5 a41f90fc3d7d2e08c0fa7c618a28a566
SHA1 c5a758305cb774c2e8528894b2c3ee4405cd00c1
SHA512 f77525bc5824d53122c11a0fbdedde35530bf6becf51489b3e1a63b5cf0629e8392f326e2047f134e28c216b15963384f7289dab9dacfaa26f11c33500ec8301
SSDEEP 1536:Kz2u4LJjBaECkLSi7xsYhaKDVSYTjipvF2Csx+:KS8ELSGSYvQd24
TLSH
T1A243C728F7D598F6E277427688B154E11532BD22BD70092F3C46330D18B2E52ADA6E6F
MD5 SHA1 SHA512 SSDEEP TLSH

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