waski | 11832e86f8915f56783454db00468cd8072d1efd8d32afb193b0ce86ce9b248b

Analysis

max time kernel
148s
max time network
126s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
28/10/2026, 06:59

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General

Target
2026-10-28_ce32412516c5986a145558eb7e648d86_elex_wannacry.exe
Size 21KB
Sample261028-hsc3wsav2w
SHA256 11832e86f8915f56783454db00468cd8072d1efd8d32afb193b0ce86ce9b248b
MD5 ce32412516c5986a145558eb7e648d86
SHA1 34eaa42e092de053fb44dff58e2595f965134800
SHA512 171ef8eaebca36ffba208fab9562511013ea7a07aa804ba911a83bdbd4dfe6d40c4a08918cd779fbc8508347d683a2f8c0ae598cdf20936afb9cb0326a340ed9
SSDEEP 384:uTQWckBeEd6ml1pcg7F3Gi+CW6HWYyieTcibz+T4/:uxckEEd62J7F3Gig6H1ibz+M/
TLSH
T1E2A220386ED51D73E3BBD7B685F7C2C6B934B0277A03591E80861B851823B129DA1E8D
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/0x000600000001b85a-3.dat	family_waski

Executes dropped EXE 1 IoCs

pid	Process
4412	codecsupdater.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

discovery

System Network Configuration Discovery

T1016

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	codecsupdater.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	codecsupdater.exe

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	2026-10-28_ce32412516c5986a145558eb7e648d86_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 3196 wrote to memory of 4412	3196	2026-10-28_ce32412516c5986a145558eb7e648d86_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-10-28_ce32412516c5986a145558eb7e648d86_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-10-28_ce32412516c5986a145558eb7e648d86_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3196
- C:\Users\Admin\AppData\Local\Temp\codecsupdater.exe
  "C:\Users\Admin\AppData\Local\Temp\codecsupdater.exe"
  2⤵
  - Executes dropped EXE
  - Reads the TCP/IP host and domain name from the registry
  - System Location Discovery: System Language Discovery
  PID:4412

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

System Network Configuration Discovery

T1016

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

codecsupdater.exe

Path C:\Users\Admin\AppData\Local\Temp\codecsupdater.exe
Size 21KB
SHA256 ebd6b6ce60504b684e30ae755afd32028bb5a6c5711a8e11a5482b06bca86917
MD5 36605e125e90c1b108aafbae5ad73189
SHA1 2f88dcae9308d7d54f37b9919dd6b7281eabf3dc
SHA512 84a02b29998a07e3ea0c1fdbbf74c604d106fc18ff97196029b30dc29814c0770ea0fa1101edb056f3f1e5e84d68a81c6f34f2a65f02681b4f3538c33d9885ed
SSDEEP 384:uTQWckBeEd6ml1pcg7F3Gi+CW6HWYyieTcibz+T4Ict:uxckEEd62J7F3Gig6H1ibz+MBt
TLSH
T109A220386ED51D73E3BBD7B685F7C2C6B970B0277A03591E80861B851823B129DA1E8D
MD5 SHA1 SHA512 SSDEEP TLSH

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