waski | da6f790404b2cff03e7a42420142f2fe855e95387de8e04d50666996b2f54c4a

Analysis

max time kernel
148s
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
30/08/2026, 03:19

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General

Target
2026-08-28_497416e14ef884c58b75860b160a76b9_elex_wannacry.exe
Size 18KB
Sample260830-dvgrmsyyey
SHA256 da6f790404b2cff03e7a42420142f2fe855e95387de8e04d50666996b2f54c4a
MD5 497416e14ef884c58b75860b160a76b9
SHA1 c1f6a5c78ceef6697157c7089ec381e6e5ac9d9c
SHA512 73d9feebeb24a86f3b1fd52b71fc7cdb4707f1484943db704dfab4da2fd8c7b5d5550c1f9b1f47171616e24e69932c5fc1c8636c001bd09ff28bfba023c52c89
SSDEEP 384:uTQWckBeEd6ml1pcg79UP4EJzZsxPXgac:uxckEEd62J798j9ZiPXvc
TLSH
T1DF8272395AD41C73E3BBC7B6C5F7C1C6B871B42B3A035D2E54861B892C23B12AC9169D
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/0x000d00000001c51e-4.dat	family_waski

Executes dropped EXE 1 IoCs

pid	Process
1944	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	2026-08-28_497416e14ef884c58b75860b160a76b9_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 1996 wrote to memory of 1944	1996	2026-08-28_497416e14ef884c58b75860b160a76b9_elex_wannacry.exe	88

C:\Users\Admin\AppData\Local\Temp\2026-08-28_497416e14ef884c58b75860b160a76b9_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-28_497416e14ef884c58b75860b160a76b9_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1996
- 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:1944

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 18KB
SHA256 b28f89a6667c7785da7278e42f3e16507787ccc4fbbddb062e74e76a9f2cd624
MD5 5441638db3b890cd3c39c5330da14cae
SHA1 fbb382d01d1721fd2cd3c23d17765cc7392a8087
SHA512 04e265d95261b9a5be89c7155fc5fbc8e2d4db1fb4f7c2d67a833ac1ac96805e0828ec05c3721f7fc16bcf07ff3b7a9e694cbd5bcb0e4ddfcf161fd0444016eb
SSDEEP 384:uTQWckBeEd6ml1pcg79UP4EJzZsxPXgaK:uxckEEd62J798j9ZiPXvK
TLSH
T14D8272395AD41C73E3BBC7B5C5F7C1C6B871B42B3A035D2E54861B892C23B12AC9169D
MD5 SHA1 SHA512 SSDEEP TLSH

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