waski | ed31e7d4d33e7ee5358cd704cbfccaad9bef50fc79788a6825de4adecab352a8

Analysis

max time kernel
149s
max time network
145s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
01/06/2026, 08:33

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
2026-06-01_73dcc3f862c13108137615ffbfb48a8c_elex_wannacry.exe
Size 30KB
Sample260601-kftk8afv4w
SHA256 ed31e7d4d33e7ee5358cd704cbfccaad9bef50fc79788a6825de4adecab352a8
MD5 73dcc3f862c13108137615ffbfb48a8c
SHA1 5e2ad0a64bc4c71bd4bd1bf1da4f369025a12eaf
SHA512 a3655f4d73efe63dcaf4cbbbfa71981668a1895ddf5e44d952b9867adf11e2cccc1c1550ccf611d9bacf719c48f15543e4c845ccf5d3b47a5b9fa3094750f440
SSDEEP 192:uTq5WckBezHYQRPK6k7TjHwCl1oynzc2Fjmf2mrETLLC0qmAKLCAYV7/mjmTUsI0:uTKWckBeEd6ml1pcg7eMUUz62K
TLSH
T16BE274356BD45D73E3BBD7B586F7C1C6A975702A2E03992E80851B882C33A11DCA0F9D
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/0x001e00000002b258-4.dat	family_waski

Executes dropped EXE 1 IoCs

pid	Process
1964	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	2026-06-01_73dcc3f862c13108137615ffbfb48a8c_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 1228 wrote to memory of 1964	1228	2026-06-01_73dcc3f862c13108137615ffbfb48a8c_elex_wannacry.exe	81

C:\Users\Admin\AppData\Local\Temp\2026-06-01_73dcc3f862c13108137615ffbfb48a8c_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-06-01_73dcc3f862c13108137615ffbfb48a8c_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1228
- 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:1964

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

Loading Replay Monitor...

Downloads

codecsupdater.exe

Path C:\Users\Admin\AppData\Local\Temp\codecsupdater.exe
Size 30KB
SHA256 236ce1550d6df9715af7ef270ad4efb215a1d15e3584acd8b3d79d7fe1679ef3
MD5 0627ae6a3f8c94d780a823517ab03e8b
SHA1 25220b1efe26c77106d7639b9cb6f587c35a5cc7
SHA512 6c3704efd5e439df9c7573891a77ae8cc3827387cb8f07d70edb50444295600d59d6280b338facc8b05d1271e57645132ce77dec3785912ec8b85e5f5d4b117f
SSDEEP 192:uTq5WckBezHYQRPK6k7TjHwCl1oynzc2Fjmf2mrETLLC0qmAKLCAYV7/mjmTUsIf:uTKWckBeEd6ml1pcg7eMUUz621
TLSH
T176E284356BD45D73E3BBD7B586F7C1C6A975702A2E03992E80851B841C33A11DCA0F9D
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download