waski | 522fba5d6161080d1b265e01c534d77c248cf73d1a07d12ac1c2423e92781889

Analysis

max time kernel
150s
max time network
151s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
02/08/2026, 11:16

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General

Target
2026-08-02_8a30bfce7b3c4a57bbcf1a46985b4ed5_elex_wannacry.exe
Size 35KB
Sample260802-ndhmqahn3x
SHA256 522fba5d6161080d1b265e01c534d77c248cf73d1a07d12ac1c2423e92781889
MD5 8a30bfce7b3c4a57bbcf1a46985b4ed5
SHA1 fd9f7f8f20563cc76a124415149e1f0ab6819c44
SHA512 27ac324d1aabbd63408ee8a19b08a6f2d0d8144c464efea7c1726371a770879faa3f7c43df6c45ed7abdd9eeb214b6dd66a90a081a1aa55f367226765929f490
SSDEEP 768:uxckEEd62J798jBk3A6gow6vdBcl5sfuW5nrA8zjc52Ws:cc3ji6kgi1Bc7sR584jfWs
TLSH
T17DF2AE3C6EE91972D3BBDAB6C6F691C6BD75B4233D02580E408647840C23F26EDA1B5D
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/0x000f00000001122e-3.dat	family_waski

Executes dropped EXE 1 IoCs

pid	Process
4112	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	2026-08-02_8a30bfce7b3c4a57bbcf1a46985b4ed5_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 1232 wrote to memory of 4112	1232	2026-08-02_8a30bfce7b3c4a57bbcf1a46985b4ed5_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-02_8a30bfce7b3c4a57bbcf1a46985b4ed5_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-02_8a30bfce7b3c4a57bbcf1a46985b4ed5_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1232
- 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:4112

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 35KB
SHA256 941d71637d6b16902d002478f86947897bab9d264ad34d0ace395c8da5195a59
MD5 ea2730415103d7e740d718a5b34f710f
SHA1 25a4f242ef1cfae3d79693664f9cfb1c82ae5ef3
SHA512 b82ae5ced4e8e83b1e3d2370c3778463227d373564493cefd49cd7b2f2f6be744aa2b55faed1ce07cd5ffcd53296ec94f048abffefa6a62f5f97688d402ed79b
SSDEEP 768:uxckEEd62J798jBk3A6gow6vdBcl5sfuW5nrA8zjc52Wv:cc3ji6kgi1Bc7sR584jfWv
TLSH
T1EAF2AE3C6ED91972D3BBDAB6C6F691C6BD75B4233D02580E408647840C23F26EDA1B5D
MD5 SHA1 SHA512 SSDEEP TLSH

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