waski | d09b8f25ac47b3a872626341fe3ae6fb53656761332027e005f4493d2d21445a

Analysis

max time kernel
148s
max time network
144s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
21/08/2026, 01:38

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General

Target
2026-08-21_9817ba01e3118d7dacd4065707ca1fe5_elex_wannacry.exe
Size 18KB
Sample260821-b2w4sstyev
SHA256 d09b8f25ac47b3a872626341fe3ae6fb53656761332027e005f4493d2d21445a
MD5 9817ba01e3118d7dacd4065707ca1fe5
SHA1 3b8340e131a67e8c24fa68ced17f78644c4028d9
SHA512 a435c2192e3ba0c389da40e2effd05780176351cd2bf723e04e9d332254a2ae5261563ea38e6e463b3f41935ee5f327ce13278ccd7b5c5410f3245e604b82f61
SSDEEP 384:vLoUqhdO7+eN6GWl1pcG4rAAAAAHZMHBfTwEoP//l2Dgqu:vLoZWN6GGBZ2BbwEoP/N2ED
TLSH
T1FF8240384FC24ABAF373CAB285F7D7D6EA31F5A3F4130A1DD58507068813652A985CAD
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery downloader waski

Malware Config

Signatures

Family: Waski
Waski is a trojan downloader written in C++.
downloader waski

Detects Waski payload 1 IoCs

resource	yara_rule
behavioral2/files/0x0008000000016cfd-4.dat	family_waski

Executes dropped EXE 1 IoCs

pid	Process
3336	operaupdater.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	2026-08-21_9817ba01e3118d7dacd4065707ca1fe5_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	operaupdater.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 3732 wrote to memory of 3336	3732	2026-08-21_9817ba01e3118d7dacd4065707ca1fe5_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-21_9817ba01e3118d7dacd4065707ca1fe5_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-21_9817ba01e3118d7dacd4065707ca1fe5_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3732
- C:\Users\Admin\AppData\Local\Temp\operaupdater.exe
  "C:\Users\Admin\AppData\Local\Temp\operaupdater.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3336

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

operaupdater.exe

Path C:\Users\Admin\AppData\Local\Temp\operaupdater.exe
Size 18KB
SHA256 a12d2c3750d9a0cfad24d6a81a7e7f09e009ea1c636c0e0b47dd6761503942d5
MD5 733e21a515ded88d373a629b72415e2c
SHA1 36efa989ec2605734bb8cffd3668bbb7447f04e5
SHA512 bf944efab4a4779ff6ce797c65b307d9a015451e408dc81a8acaf5bc8649f6eaa7341edb49720735cda3099d085ca544d63dad8fd56cb458f4658c481c7674ab
SSDEEP 384:vLoUqhdO7+eN6GWl1pcG4rAAAAAHZMHBfTwEoP//l2Dgqb:vLoZWN6GGBZ2BbwEoP/N2EW
TLSH
T16B824F384FC24AB6F3B3CAB285F797D6EA31F5A3F4030A1DD58507068813642A985CAD
MD5 SHA1 SHA512 SSDEEP TLSH

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