waski | 30af7905ab2377c90fdb679aa1b4c88c511ded2e5c27da1c6547c446fdf89d26

Analysis

max time kernel
148s
max time network
149s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
22/07/2026, 15:47

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General

Target
2026-07-22_52e73ec3dd6016c5dbfb8f9502ff9f87_elex_wannacry.exe
Size 17KB
Sample260722-s8aykscl91
SHA256 30af7905ab2377c90fdb679aa1b4c88c511ded2e5c27da1c6547c446fdf89d26
MD5 52e73ec3dd6016c5dbfb8f9502ff9f87
SHA1 126934e38222271a151fe0a36564b2450108b616
SHA512 3b290e24688c7448c3db409a7b75c7b35f3a1b9d7b7dfd34cdad56addbb74c7ba90f5278920e36206ea93b9cacef15b014b9a830aad7fd18c19ce3e4ccc94011
SSDEEP 192:uTk5WckBezHYQRPK6k7TjHwCl1oynzc2Fjmf2mrETLLC0qmg+jjGiEloCFy3bBC:uTQWckBeEd6ml1pcg7F3GiElpiBC
TLSH
T1E172C635ABD45D73E3FBD7B196FBC1D56975B03B2B03592E80481B892C23B109D60B89
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
248	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	2026-07-22_52e73ec3dd6016c5dbfb8f9502ff9f87_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 1032 wrote to memory of 248	1032	2026-07-22_52e73ec3dd6016c5dbfb8f9502ff9f87_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-07-22_52e73ec3dd6016c5dbfb8f9502ff9f87_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-22_52e73ec3dd6016c5dbfb8f9502ff9f87_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1032
- 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:248

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 17KB
SHA256 21397927571bcea8b6d8a33653d9ed0ce6b1eb966318fb882cd9f64ad273357c
MD5 869b29b35c99b5d927a24fe82b4f38fc
SHA1 507daae909e5ca3682ae2afb8779c36cca4c8cf1
SHA512 31043a09c0eb759f0a300dc3db1a9d5e63a2b5129b803bcf4553488d1a38437da780811c1737b8103b1430bb62d18d3eb0ed87df63588bf8c5b1b645b4b59555
SSDEEP 192:uTk5WckBezHYQRPK6k7TjHwCl1oynzc2Fjmf2mrETLLC0qmg+jjGiEloCFy3bBx7:uTQWckBeEd6ml1pcg7F3GiElpiBx7
TLSH
T1D482C535ABD45D73E3FBD7B196FBC1C56975B03A2B03592E80481B892C23B109D60B89
MD5 SHA1 SHA512 SSDEEP TLSH

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