waski | 9232b73d873c268a2bfc2103dabdf5e684f1dd5314a75609350a70dbc258ce8a

Analysis

max time kernel
150s
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
20/08/2026, 12:31

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General

Target
2026-08-20_704145fd2632a5a98c04a08514d932fc_elex_wannacry.exe
Size 14KB
Sample260820-pp14waxbke
SHA256 9232b73d873c268a2bfc2103dabdf5e684f1dd5314a75609350a70dbc258ce8a
MD5 704145fd2632a5a98c04a08514d932fc
SHA1 273b7b5bf3b234cd2562a611a5c5628789652f71
SHA512 b92e55cd00bbf72382c5733467d7d471c71ef8508fca4c5858c86cacc0c1cb57f1f0f2e1b86272704dd84029b54b27c271921987ece912964362f7ed6c38742b
SSDEEP 192:uTk5WckBezHYQRPK6k7TjHwCl1oynzc2Fjmf2mrETLLC0qmtBUPN2Rp8Jicx:uTQWckBeEd6ml1pcg79UP4EJPx
TLSH
T13B62D7265A904C73E3FB83F191FBC1DAA965B02F3343593F94892F893963601AC546DD
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/0x0008000000016ca8-4.dat	family_waski

Executes dropped EXE 1 IoCs

pid	Process
4464	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	2026-08-20_704145fd2632a5a98c04a08514d932fc_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 4624 wrote to memory of 4464	4624	2026-08-20_704145fd2632a5a98c04a08514d932fc_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-20_704145fd2632a5a98c04a08514d932fc_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-20_704145fd2632a5a98c04a08514d932fc_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4624
- 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:4464

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 14KB
SHA256 507ada9a6fa2ad33a4fa7fcecf2c51104ee165f6b622ed804f857fa9874ff89d
MD5 532d8b23dc84a53ec932a81a1bd2576b
SHA1 79f24b760c791ad59a25f7b8ef538258f54991cd
SHA512 157ac617d6a4fd29bb4266cff1be60f11ab8f946b19851f269059c42805cecf56cbb9efc838a8310b09bbe564b79db8243920f28e8bf9293e98c9ed574ef5474
SSDEEP 192:uTk5WckBezHYQRPK6k7TjHwCl1oynzc2Fjmf2mrETLLC0qmtBUPN2Rp8Jici:uTQWckBeEd6ml1pcg79UP4EJPi
TLSH
T18062D6265A904C73E3FBC3F191FBC1DAA964B02F3303593F94892F893963602AC5469D
MD5 SHA1 SHA512 SSDEEP TLSH

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