waski | 6d8c477cbba759aa45ee2c50f58ea0745d4fc74dff8d1b4e9bea037904825f06

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
11/08/2026, 12:05

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General

Target
2026-08-11_6720693c2faba0cdf40f3effc3b47d86_elex_wannacry.exe
Size 22KB
Sample260811-n9dzeadq21
SHA256 6d8c477cbba759aa45ee2c50f58ea0745d4fc74dff8d1b4e9bea037904825f06
MD5 6720693c2faba0cdf40f3effc3b47d86
SHA1 86f1275310a7b73fd7b8e0eb9d886b4eb54d1c4e
SHA512 41ae04c0e90e29e5e0785802fb07a3c71c7feba1eeef23f9a997080f4b7a83db86cc9258c78604f4638b3713a488c1466e6f4090283cfb34f4b1494bbc7b73c4
SSDEEP 192:uTk5WckBezHYQRPK6k7TjHwCl1oynzc2Fjmf2mrETLLC0qmg+jjGimebgrJWlkGd:uTQWckBeEd6ml1pcg7F3GiSrI8raCO
TLSH
T170A241346FD51EB2E3BBDBF286F7D2C6A975B0367A03591D80450B881823A11DDA0F9D
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/0x000800000001b871-4.dat	family_waski

Executes dropped EXE 1 IoCs

pid	Process
4900	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	2026-08-11_6720693c2faba0cdf40f3effc3b47d86_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 4832 wrote to memory of 4900	4832	2026-08-11_6720693c2faba0cdf40f3effc3b47d86_elex_wannacry.exe	88

C:\Users\Admin\AppData\Local\Temp\2026-08-11_6720693c2faba0cdf40f3effc3b47d86_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-11_6720693c2faba0cdf40f3effc3b47d86_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4832
- 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:4900

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 22KB
SHA256 b7a2aeff00e85a7ef8aa107d2bdc29fae73b3e035d3b87615506371879cd8d50
MD5 ade1ddf3f0d1210e2f0cd247e330329e
SHA1 155a03f48cceee20fb9a6eb3fc774afbbc324d81
SHA512 1d008b5d4d62d084ee9148efdd2c5cc21d5ba772b6245ea0221bda1f783a13f2a9008991b46cc38d90cae620221e540d1c4934cbf05c5445a53265c7bebbd8a3
SSDEEP 192:uTk5WckBezHYQRPK6k7TjHwCl1oynzc2Fjmf2mrETLLC0qmg+jjGimebgrJWlkGJ:uTQWckBeEd6ml1pcg7F3GiSrI8raCy
TLSH
T195A251346FD51EB2E3BBDBF286F7D2C6A875B0367A03591D80450B881823A11DDA0F9D
MD5 SHA1 SHA512 SSDEEP TLSH

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