waski | 8d1ade1702175e01dfc7b507adc3c913a0daec081e81a87ac012c28c8d2927d8

Analysis

max time kernel
148s
max time network
128s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
18/08/2026, 22:49

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General

Target
2026-08-18_e5ed71806581bb0979df8d8307d78079_elex_wannacry.exe
Size 29KB
Sample260818-2rx68aam6y
SHA256 8d1ade1702175e01dfc7b507adc3c913a0daec081e81a87ac012c28c8d2927d8
MD5 e5ed71806581bb0979df8d8307d78079
SHA1 8075aa797775ac906764f9223c4a3bb38cafcafe
SHA512 7216766d3b873379fa352874e5d913c49b37594caa1912187c0666b1434e91d0991d6342421734c8f1694151fa1d1b7b28aa5ef99dcd083403561c1ff7d306ce
SSDEEP 192:uTq5WckBezHYQRPK6k7TjHwCl1oynzc2Fjmf2mrETLLC0qmAKLCAYV7/mjmTUsIQ:uTKWckBeEd6ml1pcg7eMUUz6vJ
TLSH
T174D2A5356BD45D73E3BBD7B196FBC1C5A975702B3A03992E80851B882C23A11DCA0B8D
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/0x000a000000019cb8-4.dat	family_waski

Executes dropped EXE 1 IoCs

pid	Process
2460	codecsupdater.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	2026-08-18_e5ed71806581bb0979df8d8307d78079_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	codecsupdater.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 3480 wrote to memory of 2460	3480	2026-08-18_e5ed71806581bb0979df8d8307d78079_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-18_e5ed71806581bb0979df8d8307d78079_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-18_e5ed71806581bb0979df8d8307d78079_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3480
- C:\Users\Admin\AppData\Local\Temp\codecsupdater.exe
  "C:\Users\Admin\AppData\Local\Temp\codecsupdater.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2460

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

codecsupdater.exe

Path C:\Users\Admin\AppData\Local\Temp\codecsupdater.exe
Size 29KB
SHA256 cab8039b3b9a2cffa50d91dd7e206b3e611e9d58757ecaa3df5ebaf80ff00a52
MD5 49a05507c0948eb8e0bbacbec0a04e39
SHA1 80193525650baa7b2d0e12c97c82a7899b0096dd
SHA512 0774d3bde57d207cf8a1e66c24184cb58eeea7c2a88fc7cac078b55aa76a6cd10474bcc6619a587500d596ca00264a2431c3be5677d0aef7001ddd83a33ed3f6
SSDEEP 192:uTq5WckBezHYQRPK6k7TjHwCl1oynzc2Fjmf2mrETLLC0qmAKLCAYV7/mjmTUsIU:uTKWckBeEd6ml1pcg7eMUUz6v9
TLSH
T122D295356BD45D73E3BBD7B196FBC1C5A975702B3A03992E80451B882C23B11DCA0B9D
MD5 SHA1 SHA512 SSDEEP TLSH

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