waski | a9693384e07d6bf9c352981c36a62e415f9ba02d78e750b7a1712d3cf0c0a602

Analysis

max time kernel
148s
max time network
144s
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, 04:09

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General

Target
2026-08-15_3edeca4f93ca4926dbcf15f833f68ee4_elex_wannacry.exe
Size 36KB
Sample260815-eq4w2sdg65
SHA256 a9693384e07d6bf9c352981c36a62e415f9ba02d78e750b7a1712d3cf0c0a602
MD5 3edeca4f93ca4926dbcf15f833f68ee4
SHA1 d7fe8d60908109084b0eb5d5d7f0fb8f63136ec0
SHA512 5ef83db0cd3926be841645ccb7ccdadd6bb4630938d1e021d46c4502aa7e83d136ba5694e22cce4b7c3978c50001bcb15824dbf8e204312671f23c4529fb7f01
SSDEEP 768:uxckEEd62J798jBk3A6gow6vdBcl5sfuW5nrA8zjc52Wfc:cc3ji6kgi1Bc7sR584jfWfc
TLSH
T1F2F2AE3C5EE91972E3BBDAB6C6F691C6BD75B4233D02580E408647840C23F26EDA1B5D
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/0x000a000000011390-4.dat	family_waski

Executes dropped EXE 1 IoCs

pid	Process
5884	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_3edeca4f93ca4926dbcf15f833f68ee4_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 1860 wrote to memory of 5884	1860	2026-08-15_3edeca4f93ca4926dbcf15f833f68ee4_elex_wannacry.exe	90

C:\Users\Admin\AppData\Local\Temp\2026-08-15_3edeca4f93ca4926dbcf15f833f68ee4_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-15_3edeca4f93ca4926dbcf15f833f68ee4_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1860
- 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:5884

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 4be7069a860970021f0a5a08d11fbe9523624ac5938c4d17e9209053f31052a6
MD5 fd00abb4d105d160e51bf7a89e17baf6
SHA1 9b7a039524acb7cf24ac5e3bf2008cc39e256355
SHA512 ff0b7d38ed9226b933de167201593e29819acdcf2d580e8f2f4050e2c5e0dd655b7c351fed4b2ddbab11278e7a710afacf03d0318f3a4c8d863f730fd55193c1
SSDEEP 768:uxckEEd62J798jBk3A6gow6vdBcl5sfuW5nrA8zjc52WfB:cc3ji6kgi1Bc7sR584jfWfB
TLSH
T1A9F2AE3C5EE91972E3BBDAB6C6F691C6BD75B4233D02580E408647840C23F26EDA1B5D
MD5 SHA1 SHA512 SSDEEP TLSH

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