waski | 8e4006e838037fa31e1d7de5bd9ace8af5cdc33e51afab7bca6cfb25ee52fe5e

Analysis

max time kernel
148s
max time network
150s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
10/09/2026, 01:09

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General

Target
2026-09-09_01800922c38ef614e1bf0ad49acb54a1_elex_wannacry.exe
Size 20KB
Sample260910-bhrpzaee42
SHA256 8e4006e838037fa31e1d7de5bd9ace8af5cdc33e51afab7bca6cfb25ee52fe5e
MD5 01800922c38ef614e1bf0ad49acb54a1
SHA1 c38b8dd1941b39f7f83fb12b9774d0834bd59b49
SHA512 7661dbb632126ebce1eb6f68291e50370a6021361de56dda4895f8a43956eee25c84c668ab1c2952a2c13bd72050390b31aa973ce424bbd60ca6db7e983022d2
SSDEEP 384:uTQWckBeEd6ml1pcg7F3Gih1uTRTF+2Rq2iW6C:uxckEEd62J7F3Gih1uTRTF+b1WP
TLSH
T1B89241395BE41972E3BBD7B685F7C1C6A834B4373A03991E40861B891C23F11EDA1B9D
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/0x000600000001b6c1-4.dat	family_waski

Executes dropped EXE 1 IoCs

pid	Process
4228	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	2026-09-09_01800922c38ef614e1bf0ad49acb54a1_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 2688 wrote to memory of 4228	2688	2026-09-09_01800922c38ef614e1bf0ad49acb54a1_elex_wannacry.exe	90

C:\Users\Admin\AppData\Local\Temp\2026-09-09_01800922c38ef614e1bf0ad49acb54a1_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-09-09_01800922c38ef614e1bf0ad49acb54a1_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2688
- 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:4228

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 20KB
SHA256 3623b9ec39a0d7b641e0da6b5cd845ee9bc1388f29c2825a0ff61394f66df837
MD5 7c75e132afd46fee75929f62706b7979
SHA1 15110e28d5a3498ff92f016be8375d916cf5222f
SHA512 fea347d60b956d0a17d411cda7baff2bbe1e587e98d53d0fb7565c94bf6dd259b11888c5bc38bac9c5d204f347250df75eec03c7d26cbf214daaba9d9d4da896
SSDEEP 384:uTQWckBeEd6ml1pcg7F3Gih1uTRTF+2Rq2iW69:uxckEEd62J7F3Gih1uTRTF+b1WU
TLSH
T12EA241395BE41972E3BBD7B685F7C1C6A834B4373A03991E40861B891C23F11EDA1B9D
MD5 SHA1 SHA512 SSDEEP TLSH

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