waski | 13977fe53ef15e04fef7587981ea3548c323112d72ae6daa020130d520e1ac2d

Analysis

max time kernel
148s
max time network
145s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260710-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
12/07/2026, 09:24

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General

Target
2026-07-12_5cc200b3a091f641ee81afd30da41fea_elex_wannacry.exe
Size 17KB
Sample260712-lddbwsfv8n
SHA256 13977fe53ef15e04fef7587981ea3548c323112d72ae6daa020130d520e1ac2d
MD5 5cc200b3a091f641ee81afd30da41fea
SHA1 7d81b7df1cc58b37ae2f1ad49e1c6ce469848009
SHA512 a7b0b73c56f285729fbfea02cd0fb6c9a01c847a6308e4102972086e8a8b9697db3ce5abcce52123600ecc2b112f815448e8870a54373cfea04adf37cfdd7874
SSDEEP 192:uTk5WckBezHYQRPK6k7TjHwCl1oynzc2Fjmf2mrETLLC0qmg+jjGiEloCFy3nL6L:uTQWckBeEd6ml1pcg7F3GiElpd2E
TLSH
T13D82B5356BD45D73E3BBD7B196FBC1C66875702B2A03992E80481B882833A11DCA0F89
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/0x000700000001b858-4.dat	family_waski

Executes dropped EXE 1 IoCs

pid	Process
5016	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	2026-07-12_5cc200b3a091f641ee81afd30da41fea_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 1004 wrote to memory of 5016	1004	2026-07-12_5cc200b3a091f641ee81afd30da41fea_elex_wannacry.exe	88

C:\Users\Admin\AppData\Local\Temp\2026-07-12_5cc200b3a091f641ee81afd30da41fea_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-12_5cc200b3a091f641ee81afd30da41fea_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1004
- 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:5016

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 9694e0ad3aaba3ca012df1cabcf630a610da11c0b13b1143adba0533577cb575
MD5 564af802458f695ee58dbee990e4b4db
SHA1 5aa741811804ed646b3bba292a82e278ca2e773f
SHA512 1ffa12817fd14afa8c1cfe81efe0c56ec2162ef2e940b06194695433349350f626c46b32fe6b0bf7f0b1394ff3d92beec97f47570704022cec6d0be3b4e574ec
SSDEEP 192:uTk5WckBezHYQRPK6k7TjHwCl1oynzc2Fjmf2mrETLLC0qmg+jjGiEloCFy3nL60:uTQWckBeEd6ml1pcg7F3GiElpd2b
TLSH
T1F282A5356BD45D73E3BBD7B196FBC1C66975742B2A03992E80481B882C33A11DCA0F89
MD5 SHA1 SHA512 SSDEEP TLSH

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