waski | 3d14b05c46152a9f249bbc2d2e79d9863074edcf2eaf73acfe3c87393f6f57f1

Analysis

max time kernel
148s
max time network
153s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260617-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260617-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
28/06/2026, 21:16

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General

Target
2026-06-28_8117674e992fd4db10a558bdfc8d368d_elex_wannacry.exe
Size 29KB
Sample260628-z4tnfset9v
SHA256 3d14b05c46152a9f249bbc2d2e79d9863074edcf2eaf73acfe3c87393f6f57f1
MD5 8117674e992fd4db10a558bdfc8d368d
SHA1 ec623e3c9a4d5dc38a5f71f083aca896fc4b2e6c
SHA512 83ac52e218f4cc4685ad45a64db4f44292eb5e9a571fa1ee7242e62b911bf42627a09dc355eb50eca98b7c27625943ce0e684f0a536c8e265823dd238c955fa6
SSDEEP 192:uTq5WckBezHYQRPK6k7TjHwCl1oynzc2Fjmf2mrETLLC0qmAKLCAYV7/mjmTUsIT:uTKWckBeEd6ml1pcg7eMUUz6i9
TLSH
T182D2A4356BE45D73E3BFD7B186FBC1C5A975702A2E03992E80451B882C23A11DCA0F9D
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/0x000600000001b85c-4.dat	family_waski

Executes dropped EXE 1 IoCs

pid	Process
2064	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	2026-06-28_8117674e992fd4db10a558bdfc8d368d_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 5932 wrote to memory of 2064	5932	2026-06-28_8117674e992fd4db10a558bdfc8d368d_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-06-28_8117674e992fd4db10a558bdfc8d368d_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-06-28_8117674e992fd4db10a558bdfc8d368d_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5932
- 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:2064

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 30KB
SHA256 3a3c9f138d675f4dd803a0f3c9f1d4791f761e585bb1cf4f47d3c105bcc39b80
MD5 a228349dd49ecffca3093e89562b653a
SHA1 2e8c0f683ac7108b0f34947b46f8d2f2092b0eab
SHA512 ddbb9043bccf014083eac154a4f835015936329d9cb71074e818bd0f0d182be2036b563161a8f02dacd34ebe4112d39dbc3bf5ad89eb62012bb14a537b71a4a3
SSDEEP 192:uTq5WckBezHYQRPK6k7TjHwCl1oynzc2Fjmf2mrETLLC0qmAKLCAYV7/mjmTUsIS:uTKWckBeEd6ml1pcg7eMUUz6io
TLSH
T1E7D294356BE45D73E3BFD7B586FBC1C5A974742A2E03992E80451B882C23A11DCA0F9D
MD5 SHA1 SHA512 SSDEEP TLSH

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