waski | 9f1cc1fe0f0da8ae8d4595d658cbb41289b1ddabacafd70a0851add92430b400

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
20/08/2026, 08:46

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
2026-08-20_436a8fe6b946c117f341e239d7aab954_elex_wannacry.exe
Size 17KB
Sample260820-kpbrrsshrg
SHA256 9f1cc1fe0f0da8ae8d4595d658cbb41289b1ddabacafd70a0851add92430b400
MD5 436a8fe6b946c117f341e239d7aab954
SHA1 92c02264c0396655e92cf0de89d945fd38026524
SHA512 953abba2cfd1e8c7fc6f7c2cb80002e354543bf978fb7cca439764773494fa9b4744b25845a06037d892f5b0e5340e80c10e8194b7e7034a743bb73c21270fc7
SSDEEP 384:uTQWckBeEd6ml1pcg79UP4EJP9RYITET1:uxckEEd62J798jB9RYITET1
TLSH
T1E48286355AE41C73E3FBC7B995F7C1D6A870742B3B03592E50861B892823B12EC607AD
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/0x000c00000001b87d-4.dat	family_waski

Executes dropped EXE 1 IoCs

pid	Process
3348	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	2026-08-20_436a8fe6b946c117f341e239d7aab954_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 2956 wrote to memory of 3348	2956	2026-08-20_436a8fe6b946c117f341e239d7aab954_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-20_436a8fe6b946c117f341e239d7aab954_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-20_436a8fe6b946c117f341e239d7aab954_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2956
- 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:3348

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

Loading Replay Monitor...

Downloads

codecsupdater.exe

Path C:\Users\Admin\AppData\Local\Temp\codecsupdater.exe
Size 17KB
SHA256 5c680c52256daf72f074b5e7830f10241158c47eb285a931ab74b58a196e8cb9
MD5 5c383b90b0252bc341f6f916b66d5684
SHA1 d2f51bbd3440f17b6a99893eac35f908fc480ad9
SHA512 abac2f4e7b3c4bf49eb38efea93d80d7121cf71f0ddb292abb828bc50d562db1987edfb5ede08db743d503bfdaca90120327fb8bbb6c3ad342606c777969ff74
SSDEEP 384:uTQWckBeEd6ml1pcg79UP4EJP9RYITETD:uxckEEd62J798jB9RYITETD
TLSH
T1A18286355AE41C73E3FBC7B995F7C1D6A870742B3B03592E50861B892823B12EC607AD
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download