waski | ad1af2c99a4604b73c33ad4118b1db11473fbda0f0fff347c311cdf38e2332db

Analysis

max time kernel
149s
max time network
150s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
03/06/2026, 10:20

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General

Target
2026-06-03_8c40bec2e71a03c50f5615dabb982222_elex_wannacry.exe
Size 29KB
Sample260603-mc9jdacv8s
SHA256 ad1af2c99a4604b73c33ad4118b1db11473fbda0f0fff347c311cdf38e2332db
MD5 8c40bec2e71a03c50f5615dabb982222
SHA1 205453fa81f4f99dee748e65dc3a6fcf96eb9a60
SHA512 46dc82b3b7c17d4dc4bce0fad685cf0f67dfa3b55c84d0b7fc14304891e0dab248ce2739ef303c84597d431c43b001d86d2c190e03331092e46883f75c2795ad
SSDEEP 192:uTq5WckBezHYQRPK6k7TjHwCl1oynzc2Fjmf2mrETLLC0qmAKLCAYV7/mjmTUsI8:uTKWckBeEd6ml1pcg7eMUUz6i+
TLSH
T1D0D295356BD45D73E3BBD7B586FBC1C5A975702B2E03992E80851B882C23A11DCA0F9D
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/0x000a000000025b42-4.dat	family_waski

Executes dropped EXE 1 IoCs

pid	Process
3300	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	2026-06-03_8c40bec2e71a03c50f5615dabb982222_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 5252 wrote to memory of 3300	5252	2026-06-03_8c40bec2e71a03c50f5615dabb982222_elex_wannacry.exe	80

C:\Users\Admin\AppData\Local\Temp\2026-06-03_8c40bec2e71a03c50f5615dabb982222_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-06-03_8c40bec2e71a03c50f5615dabb982222_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5252
- 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:3300

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 86c7b53bc73dfcbf24933c62c1111fb282923b6b4f520bf89e3846f0ea9fddb9
MD5 ba4490048ed13dfff455be136e3c5634
SHA1 42a0b757d4751f67885e95bc7302ba84b562f179
SHA512 20b0891479412845331256c8538765c501fb1426ae479ef66e282b7a282fe81eb377a13b246ef343f63fe3d5a774da0fb7a3ccd6ff619d1b257059f14fe21428
SSDEEP 192:uTq5WckBezHYQRPK6k7TjHwCl1oynzc2Fjmf2mrETLLC0qmAKLCAYV7/mjmTUsIO:uTKWckBeEd6ml1pcg7eMUUz6iM
TLSH
T15AD295356BD45D73E3BBD7B586FBC1C5A975702A3E03992E80851B882C23A11DCA0F9D
MD5 SHA1 SHA512 SSDEEP TLSH

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