waski | 33d83262a5e2c6a0be1e928e85b1c4bcb47da5c2a70258c86bfbc461075ef5d8

Analysis

max time kernel
150s
max time network
148s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260629-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
04/07/2026, 21:59

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General

Target
2026-07-04_567d2580e832e1f7e4d1a683160057a9_elex_wannacry.exe
Size 21KB
Sample260704-1v5j2aev8x
SHA256 33d83262a5e2c6a0be1e928e85b1c4bcb47da5c2a70258c86bfbc461075ef5d8
MD5 567d2580e832e1f7e4d1a683160057a9
SHA1 7aed948d09ed815352c7197701ee4db277a9b975
SHA512 6aa4ccbe69f54a764b6c0b6ba9b22c7e812ea0745d7acd8b269fc556332c3556d8f4946b3832a9980c8fcec2a1575d070c4080856f9ff4fd9354e40ebe39bbd0
SSDEEP 384:uTQWckBeEd6ml1pcg7F3GiSrI8ra4fpjB:uxckEEd62J7F3GiGa4BF
TLSH
T15CA252346FD50EB2E3BBDBF285F7D2C6A975B4377A03591E80450B841823A11DDA0E9D
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/0x000e00000001c4e7-4.dat	family_waski

Executes dropped EXE 1 IoCs

pid	Process
5736	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	2026-07-04_567d2580e832e1f7e4d1a683160057a9_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 2880 wrote to memory of 5736	2880	2026-07-04_567d2580e832e1f7e4d1a683160057a9_elex_wannacry.exe	88

C:\Users\Admin\AppData\Local\Temp\2026-07-04_567d2580e832e1f7e4d1a683160057a9_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-04_567d2580e832e1f7e4d1a683160057a9_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2880
- 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:5736

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 21KB
SHA256 e9b17430730ebb5e592b3230ccef5807f9a1231e979fcfa74b0ea28fb31faa24
MD5 ada1f870309584c89ed3db5d8d5c3a72
SHA1 6b91b457f8ce6bc188d618510bd3f88c24498f67
SHA512 538c4fa4dae97f7bc53bf81cd5523ef5b0a78270a0cdd94f6f47c1043b9d8746410cb10e18ee3fa1cc2f679228e9812471dbc7f57c623eb7e70d09601c44d6b6
SSDEEP 384:uTQWckBeEd6ml1pcg7F3GiSrI8ra4fpj5f:uxckEEd62J7F3GiGa4Bl
TLSH
T178A251346FD50EB2E3BBDBF286F7D2C6A975B4367A03591E80450B841823A11DDA0E9D
MD5 SHA1 SHA512 SSDEEP TLSH

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