waski | 57a26364f080769c05426e5287ba35b405d1cfbded95566740736014e5778550

Analysis

max time kernel
150s
max time network
157s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
09/08/2026, 23:42

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General

Target
2026-08-09_ecc50436d4d3d235fa779aca254d7904_elex_wannacry.exe
Size 31KB
Sample260809-3p2x3afm3v
SHA256 57a26364f080769c05426e5287ba35b405d1cfbded95566740736014e5778550
MD5 ecc50436d4d3d235fa779aca254d7904
SHA1 aabcfe42725f75d4dd3b1749762a0b6ccbad8187
SHA512 e0d93d7be0a46bb216f3585c883432f084fe2d00053a8b0e9e01de2a261683a58871388a757c2a44e70d0794edc6eaa4dd5fdf9f35822c7c327a70ac7a29b716
SSDEEP 192:uTq5WckBezHYQRPK6k7TjHwCl1oynzc2Fjmf2mrETLLC0qmAKLCAYV7/mjmTUsIY:uTKWckBeEd6ml1pcg7eMUUz62qr
TLSH
T135E273346BE45D73E3BBDBB586F7C1C5A975742A2E03992E80851B841833B11DCA0F9D
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/0x000e00000001c4e0-4.dat	family_waski

Executes dropped EXE 1 IoCs

pid	Process
4696	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	codecsupdater.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-08-09_ecc50436d4d3d235fa779aca254d7904_elex_wannacry.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 5072 wrote to memory of 4696	5072	2026-08-09_ecc50436d4d3d235fa779aca254d7904_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-09_ecc50436d4d3d235fa779aca254d7904_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-09_ecc50436d4d3d235fa779aca254d7904_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5072
- 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:4696

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 31KB
SHA256 4ad544aac52dab2c9aa585c2eec4e1bc36cc917f084f8f2043fecdca89c9a648
MD5 bb8b6686179915ccba054ef9a86d3ebe
SHA1 ccb49b28d551d823fd035502bfd01232b95cdcb7
SHA512 3761de8a0a4e113f1f3e33b6569fd883801f9d4b208d3f4eafa716e7539725d1348c77118266e207ec7537672b1cc3be409ccbbeaadeba4765a7f9d542792464
SSDEEP 192:uTq5WckBezHYQRPK6k7TjHwCl1oynzc2Fjmf2mrETLLC0qmAKLCAYV7/mjmTUsId:uTKWckBeEd6ml1pcg7eMUUz62qK
TLSH
T134E262346BE45D73E3BBDBB586F7C1C5A975742A2E03992E80851B881833B11DCA0F9D
MD5 SHA1 SHA512 SSDEEP TLSH

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