waski | d58ae740eed94448c0567977da6bdbe3c66f02414b35bc39bdce07d0bb3f4522

Analysis

max time kernel
150s
max time network
153s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
15/08/2026, 06:11

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General

Target
2026-08-15_2876a82953d0e1030a87b9ddeeda2041_elex_wannacry.exe
Size 36KB
Sample260815-gxramsfq5x
SHA256 d58ae740eed94448c0567977da6bdbe3c66f02414b35bc39bdce07d0bb3f4522
MD5 2876a82953d0e1030a87b9ddeeda2041
SHA1 bf09bd14c6e998345cffe2f3c7148c0e65809693
SHA512 9ee195eccb17b457559997c01f68156203a95f7c8e120b289a6cf1f6f9b97f6c0e729bbc48eea1d07c82c61559302b6ae5d7502a19b8f76678206408243d1d21
SSDEEP 768:uxckEEd62J798jBk3A6gow6vdBcl5sfuW5nrA8zjc52Wft:cc3ji6kgi1Bc7sR584jfWft
TLSH
T16AF2AE386EE91972E3BBDBB6C6F691C6BD75B4233D02580D408647840C23F26EDA1B5D
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/0x001000000001c57b-4.dat	family_waski

Executes dropped EXE 1 IoCs

pid	Process
848	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	2026-08-15_2876a82953d0e1030a87b9ddeeda2041_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 2004 wrote to memory of 848	2004	2026-08-15_2876a82953d0e1030a87b9ddeeda2041_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-15_2876a82953d0e1030a87b9ddeeda2041_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-15_2876a82953d0e1030a87b9ddeeda2041_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2004
- 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:848

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 36KB
SHA256 05bc3d082ced9a87e303cc74f47844d6634f939e74c6ea18737ced017ef827a7
MD5 cb1963a78add916da57032f2599ddbba
SHA1 e6518bb0cbc345f94d7d0518387b6c64d027dc6e
SHA512 5bace871b4cc0047fa009b2dcee912739c24b7baf34d7fbf0fa3b8ff937a08b81c05a07f100dd66668b30f90ad9c52b831bc468287cd670b0d168fdee99cd273
SSDEEP 768:uxckEEd62J798jBk3A6gow6vdBcl5sfuW5nrA8zjc52Wfw:cc3ji6kgi1Bc7sR584jfWfw
TLSH
T1CCF2AE3C6EE91972E3BBDAB6C6F691C6BD75B4233D02580D408647840C23F26EDA1B5D
MD5 SHA1 SHA512 SSDEEP TLSH

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